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* [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
@ 2012-06-12 10:51 henrypepr at gmail dot com
  2012-06-13  6:13 ` [Bug translator/14226] " henrypepr at gmail dot com
                   ` (18 more replies)
  0 siblings, 19 replies; 20+ messages in thread
From: henrypepr at gmail dot com @ 2012-06-12 10:51 UTC (permalink / raw)
  To: systemtap

http://sourceware.org/bugzilla/show_bug.cgi?id=14226

             Bug #: 14226
           Summary: semantic error: missing x86_64 kernel/module debuginfo
                    under '...'  while resolving probe point
                    kernel.function("vfs_read").return
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap@sourceware.org
        ReportedBy: henrypepr@gmail.com
    Classification: Unclassified


sudo io/iotop.stp
semantic error: missing x86_64 kernel/module debuginfo under
'/lib/modules/3.3.4-5.fc17.x86_64/build' while resolving probe point
kernel.function("vfs_read").return
semantic error: no match while resolving probe point vfs.read.return
semantic error: missing x86_64 kernel/module debuginfo under
'/lib/modules/3.3.4-5.fc17.x86_64/build' while resolving probe point
kernel.function("vfs_write").return
semantic error: no match while resolving probe point vfs.write.return
Pass 2: analysis failed.  Try again with another '--vp 01' option.
Missing separate debuginfos, use: debuginfo-install kernel-3.3.4-5.fc17.x86_64 

$ uname -r
3.3.4-5.fc17.x86_64

$ sudo debuginfo-install kernel-3.3.4-5.fc17.x86_64
Loaded plugins: auto-update-debuginfo, langpacks, presto, refresh-packagekit
enabling fedora-debuginfo
enabling updates-debuginfo
updates/metalink                                                               
                              |  11 kB     00:00     
updates                                                                        
                              | 4.5 kB     00:00     
updates-debuginfo/metalink                                                     
                              | 9.0 kB     00:00     
updates-debuginfo                                                              
                              | 3.1 kB     00:00     
updates-debuginfo/primary_db                                                   
                              | 161 kB     00:01     
Package matching kernel-debuginfo-3.3.4-5.fc17.x86_64 already installed.
Checking for update.
No debuginfo packages available to install


 stap-report
== stap -V ==
Systemtap translator/driver (version 1.7/0.153 non-git sources)
Copyright (C) 2005-2012 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
enabled features: AVAHI LIBRPM LIBSQLITE3 NSS BOOST_SHARED_PTR
TR1_UNORDERED_MAP NLS
== which stap ==
/bin/stap
== locate --regex '/stap(run)?$' | xargs ls -ald ==
-rwxr-xr-x. 1 root root    1983528 May  1 01:30 /usr/bin/stap
---s--x---. 1 root stapusr  154408 May  1 01:30 /usr/bin/staprun
== printenv | egrep '^PATH=|^LD_LIBRARY_PATH=|^SYSTEMTAP_.*=|^XDG_DATA.*=' ==
PATH=/usr/local/bin:/bin:/usr/bin:/usr/local/sbin:/usr/sbin:/home/cadm/.local/bin:/home/cadm/bin
== stap -vv -p4 -e 'probe begin {exit()}' ==
Systemtap translator/driver (version 1.7/0.153 non-git sources)
Copyright (C) 2005-2012 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
enabled features: AVAHI LIBRPM LIBSQLITE3 NSS BOOST_SHARED_PTR
TR1_UNORDERED_MAP NLS
Created temporary directory "/tmp/stapbVUI7B"
Session arch: x86_64 release: 3.3.4-5.fc17.x86_64
Searched: " /usr/share/systemtap/tapset/x86_64/*.stp ", found: 4, processed: 4
Searched: " /usr/share/systemtap/tapset/*.stp ", found: 78, processed: 78
Pass 1: parsed user script and 82 library script(s) using
200920virt/23084res/2968shr kb, in 130usr/30sys/178real ms.
Pass 2: analyzed script: 1 probe(s), 1 function(s), 0 embed(s), 0 global(s)
using 201448virt/23612res/3000shr kb, in 10usr/0sys/6real ms.
function recursion-analysis: max-nesting 0  non-recursive
Pass 3: translated to C into
"/tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728_src.c" using
201448virt/23952res/3260shr kb, in 0usr/0sys/1real ms.
Running make -C /lib/modules/3.3.4-5.fc17.x86_64/build M=/tmp/stapbVUI7B
modules ARCH=x86_64 --no-print-directory -j2
  CC [M]  /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728_src.o
  LD [M]  /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.mod.o
  LD [M]  /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.ko
Spawn waitpid result (0x0): 0
/home/cadm/.systemtap/cache/62/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.ko
Pass 4: compiled C into "stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.ko" in
7890usr/3200sys/13062real ms.
Cache limit file /home/cadm/.systemtap/cache/cache_mb_limit missing, creating
default.
Cache clean interval file /home/cadm/.systemtap/cache/cache_clean_interval_s
missing, creating default.
Cache cleaning skipped, interval not reached 0 s / 30 s.
Copying /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.ko to
/home/cadm/.systemtap/cache/62/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.ko
Copying /tmp/stapbVUI7B/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728_src.c to
/home/cadm/.systemtap/cache/62/stap_62a235d7eb4cecb8f7a51fe6e54631ce_728.c
Copying /tmp/stapbVUI7B/stapconf_21281bac61c99465ab35ab0fad84ec7d_543.h to
/home/cadm/.systemtap/cache/21/stapconf_21281bac61c99465ab35ab0fad84ec7d_543.h
Running rm -rf /tmp/stapbVUI7B
Spawn waitpid result (0x0): 0
== gcc -v ==
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/x86_64-redhat-linux/4.7.0/lto-wrapper
Target: x86_64-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --disable-build-with-cxx
--disable-build-poststage1-with-cxx --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id --with-linker-hash-style=gnu
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin
--enable-initfini-array --enable-java-awt=gtk --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--with-ppl --with-cloog --with-tune=generic --with-arch_32=i686
--build=x86_64-redhat-linux
Thread model: posix
gcc version 4.7.0 20120507 (Red Hat 4.7.0-5) (GCC) 
== uname -a ==
Linux fedora17amd64 3.3.4-5.fc17.x86_64 #1 SMP Mon May 7 17:29:34 UTC 2012
x86_64 x86_64 x86_64 GNU/Linux
== dmesg | egrep 'stap|systemtap' | tail -n 10 ==
[ 6634.525980] stap_568b08c70ec23ee5db1d59112c15131_10852: systemtap:
1.7/0.153, base: ffffffffa0156000, memory: 21data/20text/0ctx/2058net/9alloc
kb, probes: 1
[53809.651468] stap_90b47d8b4b3ac8c745983b4d3a91055b_8501: systemtap:
1.7/0.153, base: ffffffffa01a3000, memory: 27data/40text/5ctx/2058net/2170alloc
kb, probes: 4
[53911.605707] stap_90b47d8b4b3ac8c745983b4d3a91055b_8577: systemtap:
1.7/0.153, base: ffffffffa01df000, memory: 27data/40text/5ctx/2058net/2170alloc
kb, probes: 4
== cat /proc/cpuinfo | egrep 'processor|vendor_id|model name' ==
processor    : 0
vendor_id    : GenuineIntel
model name    : QEMU Virtual CPU version 1.0
== rpm -qa --qf '%{name}-%{version} %{release}.%{arch}\n' | egrep
'systemtap|elfutils|kernel|gcc' | sort ==
abrt-addon-kerneloops-2.0.10 4.fc17.x86_64
elfutils-0.153 2.fc17.x86_64
elfutils-libelf-0.153 2.fc17.x86_64
elfutils-libs-0.153 2.fc17.x86_64
gcc-4.7.0 5.fc17.x86_64
gcc-c++-4.7.0 5.fc17.x86_64
kernel-3.3.4 5.fc17.x86_64
kernel-3.4.0 1.fc17.x86_64
kernel-debuginfo-3.4.0 1.fc17.x86_64
kernel-debuginfo-common-x86_64-3.4.0 1.fc17.x86_64
kernel-devel-3.3.4 5.fc17.x86_64
kernel-devel-3.4.0 1.fc17.x86_64
kernel-headers-3.4.0 1.fc17.x86_64
libgcc-4.7.0 5.fc17.x86_64
libreport-plugin-kerneloops-2.0.10 3.fc17.x86_64
systemtap-1.7 7.fc17.x86_64
systemtap-client-1.7 7.fc17.x86_64
systemtap-devel-1.7 7.fc17.x86_64
systemtap-runtime-1.7 7.fc17.x86_64
== egrep 'PROBE|TRACE|MARKER|_DEBUG_|MODULE'
/lib/modules/3.3.4-5.fc17.x86_64/build/.config | grep -v not.set | sort | fmt
-w 80 ==
CONFIG_AIC79XX_DEBUG_MASK=0 CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_ARCH_CPU_PROBE_RELEASE=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_BLK_DEV_IO_TRACE=y CONFIG_CAN_PM_TRACE=y
CONFIG_CB710_DEBUG_ASSUMPTIONS=y CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_DEBUG_BOOT_PARAMS=y CONFIG_DEBUG_BUGVERBOSE=y CONFIG_DEBUG_DEVRES=y
CONFIG_DEBUG_FS=y CONFIG_DEBUG_INFO=y CONFIG_DEBUG_KERNEL=y
CONFIG_DEBUG_LIST=y CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DEBUG_NX_TEST=m
CONFIG_DEBUG_RODATA_TEST=y CONFIG_DEBUG_RODATA=y CONFIG_DEBUG_SET_MODULE_RONX=y
CONFIG_DEBUG_SHIRQ=y CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_VM=y
CONFIG_DYNAMIC_FTRACE=y CONFIG_FTRACE_MCOUNT_RECORD=y CONFIG_FTRACE_NMI_ENTER=y
CONFIG_FTRACE_SYSCALLS=y CONFIG_FTRACE=y CONFIG_FUNCTION_GRAPH_TRACER=y
CONFIG_FUNCTION_TRACER=y CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_TRACER=y
CONFIG_HAVE_ARCH_TRACEHOOK=y CONFIG_HAVE_DYNAMIC_FTRACE=y
CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y CONFIG_HAVE_FTRACE_NMI_ENTER=y
CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y
CONFIG_HAVE_FUNCTION_TRACER=y CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y
CONFIG_HAVE_MMIOTRACE_SUPPORT=y CONFIG_HAVE_OPTPROBES=y
CONFIG_HAVE_SYSCALL_TRACEPOINTS=y CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y
CONFIG_KEYS_DEBUG_PROC_KEYS=y CONFIG_KPROBE_EVENT=y CONFIG_KPROBES=y
CONFIG_KRETPROBES=y CONFIG_MODULES=y CONFIG_MODULE_UNLOAD=y
CONFIG_NETFILTER_XT_TARGET_TRACE=m CONFIG_NET_SCTPPROBE=m CONFIG_NOP_TRACER=y
CONFIG_OPTPROBES=y CONFIG_PM_TRACE_RTC=y CONFIG_PM_TRACE=y
CONFIG_SCHED_TRACER=y CONFIG_STACK_TRACER=y CONFIG_STACKTRACE_SUPPORT=y
CONFIG_STACKTRACE=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y CONFIG_TRACEPOINTS=y
CONFIG_TRACER_MAX_TRACE=y CONFIG_USER_STACKTRACE_SUPPORT=y CONFIG_UTRACE=y
CONFIG_WIMAX_DEBUG_LEVEL=8 CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
CONFIG_XEN_DEBUG_FS=y
== find /debugfs /proc /sys /dev -name '*kprobes*' 2>/dev/null | xargs grep .
==
/proc/sys/debug/kprobes-optimization:0
grep: /sys/kernel/debug/kprobes: Is a directory
== lsmod ==
Module                  Size  Used by
fuse                   77772  2 
binfmt_misc            17463  1 
lockd                  84836  0 
sunrpc                235511  1 lockd
bnep                   19584  2 
bluetooth             273667  7 bnep
rfkill                 21384  3 bluetooth
ip6t_REJECT            12939  2 
nf_conntrack_ipv4      14622  2 
nf_conntrack_ipv6      14297  3 
nf_defrag_ipv4         12673  1 nf_conntrack_ipv4
nf_defrag_ipv6         18095  1 nf_conntrack_ipv6
xt_state               12578  5 
nf_conntrack           82339  3 xt_state,nf_conntrack_ipv6,nf_conntrack_ipv4
ip6table_filter        12815  1 
ip6_tables             27073  1 ip6table_filter
snd_hda_intel          33277  2 
microcode              19252  0 
snd_hda_codec         116112  1 snd_hda_intel
snd_hwdep              17650  1 snd_hda_codec
snd_pcm                97129  2 snd_hda_codec,snd_hda_intel
snd_page_alloc         18101  2 snd_pcm,snd_hda_intel
snd_timer              28690  1 snd_pcm
snd                    78862  9
snd_timer,snd_pcm,snd_hwdep,snd_hda_codec,snd_hda_intel
soundcore              14491  1 snd
virtio_balloon         13394  0 
virtio_net             23267  0 
i2c_piix4              13694  0 
i2c_core               38028  1 i2c_piix4
uinput                 17673  0 
virtio_blk             17549  3 

Running on Fedora 17, as a KVM guest.

-- 
Configure bugmail: http://sourceware.org/bugzilla/userprefs.cgi?tab=email
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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
@ 2012-06-13  6:13 ` henrypepr at gmail dot com
  2012-06-13 11:43 ` fche at redhat dot com
                   ` (17 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: henrypepr at gmail dot com @ 2012-06-13  6:13 UTC (permalink / raw)
  To: systemtap

http://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #1 from henrypepr at gmail dot com 2012-06-13 06:13:40 UTC ---
The command works on Fedora 16


sudo stap-report
== stap -V ==
Systemtap translator/driver (version 1.7/0.153 non-git sources)
Copyright (C) 2005-2012 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
enabled features: AVAHI LIBRPM LIBSQLITE3 NSS BOOST_SHARED_PTR
TR1_UNORDERED_MAP NLS
== which stap ==
/usr/bin/stap
== locate --regex '/stap(run)?$' | xargs ls -ald ==
-rwxr-xr-x 1 root root    2047592 Feb 22 20:16 /usr/bin/stap
---s--x--- 1 root stapusr  153608 Feb 22 20:16 /usr/bin/staprun
== printenv | egrep '^PATH=|^LD_LIBRARY_PATH=|^SYSTEMTAP_.*=|^XDG_DATA.*=' ==
PATH=/sbin:/bin:/usr/sbin:/usr/bin
== stap -vv -p4 -e 'probe begin {exit()}' ==
Systemtap translator/driver (version 1.7/0.153 non-git sources)
Copyright (C) 2005-2012 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
enabled features: AVAHI LIBRPM LIBSQLITE3 NSS BOOST_SHARED_PTR
TR1_UNORDERED_MAP NLS
Created temporary directory "/tmp/stapUUpQzW"
Session arch: i386 release: 3.3.7-1.fc16.i686
Searched: " /usr/share/systemtap/tapset/i386/*.stp ", found: 4, processed: 4
Searched: " /usr/share/systemtap/tapset/*.stp ", found: 78, processed: 78
Pass 1: parsed user script and 82 library script(s) using
25380virt/13848res/2600shr kb, in 140usr/50sys/182real ms.
Pass 2: analyzed script: 1 probe(s), 1 function(s), 0 embed(s), 0 global(s)
using 25644virt/14376res/2672shr kb, in 0usr/0sys/6real ms.
function recursion-analysis: max-nesting 0  non-recursive
Pass 3: translated to C into
"/tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640_src.c" using
25644virt/14652res/2916shr kb, in 10usr/0sys/3real ms.
Pass 4: using cached
/root/.systemtap/cache/13/stapconf_13387aecda5dbd6f8218e4e2abcdf739_455.h
Running make -C /lib/modules/3.3.7-1.fc16.i686/build M=/tmp/stapUUpQzW modules
ARCH=i386 --no-print-directory -j2
  CC [M]  /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640_src.o
  LD [M]  /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640.o
  Building modules, stage 2.
  MODPOST 1 modules
  CC      /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640.mod.o
  LD [M]  /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640.ko
Spawn waitpid result (0x0): 0
/root/.systemtap/cache/e7/stap_e7f4332dd09567029fbe360b94c9a9fe_640.ko
Pass 4: compiled C into "stap_e7f4332dd09567029fbe360b94c9a9fe_640.ko" in
1640usr/900sys/2811real ms.
Cache cleaning skipped, interval not reached 15 s / 30 s.
Copying /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640.ko to
/root/.systemtap/cache/e7/stap_e7f4332dd09567029fbe360b94c9a9fe_640.ko
Copying /tmp/stapUUpQzW/stap_e7f4332dd09567029fbe360b94c9a9fe_640_src.c to
/root/.systemtap/cache/e7/stap_e7f4332dd09567029fbe360b94c9a9fe_640.c
Copying /tmp/stapUUpQzW/stapconf_13387aecda5dbd6f8218e4e2abcdf739_455.h to
/root/.systemtap/cache/13/stapconf_13387aecda5dbd6f8218e4e2abcdf739_455.h
Running rm -rf /tmp/stapUUpQzW
Spawn waitpid result (0x0): 0
== gcc -v ==
Using built-in specs.
COLLECT_GCC=gcc
COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i686-redhat-linux/4.6.3/lto-wrapper
Target: i686-redhat-linux
Configured with: ../configure --prefix=/usr --mandir=/usr/share/man
--infodir=/usr/share/info --with-bugurl=http://bugzilla.redhat.com/bugzilla
--enable-bootstrap --enable-shared --enable-threads=posix
--enable-checking=release --with-system-zlib --enable-__cxa_atexit
--disable-libunwind-exceptions --enable-gnu-unique-object
--enable-linker-build-id
--enable-languages=c,c++,objc,obj-c++,java,fortran,ada,go,lto --enable-plugin
--enable-java-awt=gtk --disable-dssi
--with-java-home=/usr/lib/jvm/java-1.5.0-gcj-1.5.0.0/jre
--enable-libgcj-multifile --enable-java-maintainer-mode
--with-ecj-jar=/usr/share/java/eclipse-ecj.jar --disable-libjava-multilib
--with-ppl --with-cloog --with-tune=generic --with-arch=i686
--build=i686-redhat-linux
Thread model: posix
gcc version 4.6.3 20120306 (Red Hat 4.6.3-2) (GCC) 
== uname -a ==
Linux fedora16 3.3.7-1.fc16.i686 #1 SMP Tue May 22 14:14:30 UTC 2012 i686 i686
i386 GNU/Linux
== dmesg | egrep 'stap|systemtap' | tail -n 10 ==
[  529.252708] stap_3f2ca7308c2350cd097304e5d6dfed4b_2829: systemtap:
1.7/0.153, base: f86d4000, memory: 17data/24text/2ctx/2058net/8alloc kb,
probes: 2
[  540.266455] stap_7b0bde7878ce79cd834ddee1140c29bb_3054: systemtap:
1.7/0.153, base: f8779000, memory: 17data/24text/2ctx/2058net/8alloc kb,
probes: 2
[  613.433570] stap_4ce84f5eb1947db7387317b91205cb41__3345: systemtap:
1.7/0.153, base: f86d4000, memory: 17data/28text/1ctx/2058net/1761alloc kb,
probes: 5
[  651.503100] stap_0cc75ed440aae8918401b13b87c51969__3570: systemtap:
1.7/0.153, base: f8779000, memory: 17data/24text/3ctx/2058net/8alloc kb,
probes: 2
== cat /proc/cpuinfo | egrep 'processor|vendor_id|model name' ==
processor    : 0
vendor_id    : GenuineIntel
model name    : QEMU Virtual CPU version 1.0
== rpm -qa --qf '%{name}-%{version} %{release}.%{arch}\n' | egrep
'systemtap|elfutils|kernel|gcc' | sort ==
abrt-addon-kerneloops-2.0.7 3.fc16.i686
elfutils-0.153 1.fc16.i686
elfutils-libelf-0.153 1.fc16.i686
elfutils-libs-0.153 1.fc16.i686
gcc-4.6.3 2.fc16.i686
gcc-c++-4.6.3 2.fc16.i686
kernel-3.1.0 7.fc16.i686
kernel-3.3.7 1.fc16.i686
kernel-debuginfo-3.3.7 1.fc16.i686
kernel-debuginfo-common-i686-3.3.7 1.fc16.i686
kernel-devel-3.3.7 1.fc16.i686
kernel-headers-3.3.7 1.fc16.i686
libgcc-4.6.3 2.fc16.i686
libreport-plugin-kerneloops-2.0.8 4.fc16.i686
systemtap-1.7 2.fc16.i686
systemtap-client-1.7 2.fc16.i686
systemtap-devel-1.7 2.fc16.i686
systemtap-runtime-1.7 2.fc16.i686
== egrep 'PROBE|TRACE|MARKER|_DEBUG_|MODULE'
/lib/modules/3.3.7-1.fc16.i686/build/.config | grep -v not.set | sort | fmt -w
80 ==
CONFIG_AIC79XX_DEBUG_MASK=0 CONFIG_AIC7XXX_DEBUG_MASK=0
CONFIG_ARCH_CPU_PROBE_RELEASE=y CONFIG_ARCH_SUPPORTS_DEBUG_PAGEALLOC=y
CONFIG_BLK_DEV_IO_TRACE=y CONFIG_CAN_PM_TRACE=y
CONFIG_CB710_DEBUG_ASSUMPTIONS=y CONFIG_CONTEXT_SWITCH_TRACER=y
CONFIG_DEBUG_BOOT_PARAMS=y CONFIG_DEBUG_BUGVERBOSE=y
CONFIG_DEBUG_DEVRES=y CONFIG_DEBUG_FS=y CONFIG_DEBUG_HIGHMEM=y
CONFIG_DEBUG_INFO=y CONFIG_DEBUG_KERNEL=y CONFIG_DEBUG_LIST=y
CONFIG_DEBUG_MEMORY_INIT=y CONFIG_DEBUG_NX_TEST=m CONFIG_DEBUG_RODATA_TEST=y
CONFIG_DEBUG_RODATA=y CONFIG_DEBUG_SET_MODULE_RONX=y CONFIG_DEBUG_SHIRQ=y
CONFIG_DEBUG_STACKOVERFLOW=y CONFIG_DEBUG_VM=y CONFIG_DYNAMIC_FTRACE=y
CONFIG_FTRACE_MCOUNT_RECORD=y CONFIG_FTRACE_NMI_ENTER=y
CONFIG_FTRACE_SYSCALLS=y CONFIG_FTRACE=y CONFIG_FUNCTION_TRACER=y
CONFIG_GENERIC_IRQ_PROBE=y CONFIG_GENERIC_TRACER=y CONFIG_HAVE_ARCH_TRACEHOOK=y
CONFIG_HAVE_DYNAMIC_FTRACE=y CONFIG_HAVE_FTRACE_MCOUNT_RECORD=y
CONFIG_HAVE_FTRACE_NMI_ENTER=y CONFIG_HAVE_FUNCTION_GRAPH_TRACER=y
CONFIG_HAVE_FUNCTION_TRACE_MCOUNT_TEST=y CONFIG_HAVE_FUNCTION_TRACER=y
CONFIG_HAVE_KPROBES=y CONFIG_HAVE_KRETPROBES=y CONFIG_HAVE_MMIOTRACE_SUPPORT=y
CONFIG_HAVE_OPTPROBES=y CONFIG_HAVE_SYSCALL_TRACEPOINTS=y
CONFIG_INFINIBAND_IPOIB_DEBUG_DATA=y CONFIG_KEYS_DEBUG_PROC_KEYS=y
CONFIG_KPROBE_EVENT=y CONFIG_KPROBES=y CONFIG_KRETPROBES=y CONFIG_MODULES=y
CONFIG_MODULE_UNLOAD=y CONFIG_MTD_GEN_PROBE=m CONFIG_MTD_JEDECPROBE=m
CONFIG_MTD_NAND_DISKONCHIP_PROBE_ADDRESS=0 CONFIG_MTD_QINFO_PROBE=m
CONFIG_NETFILTER_XT_TARGET_TRACE=m CONFIG_NET_SCTPPROBE=m CONFIG_NOP_TRACER=y
CONFIG_OPTPROBES=y CONFIG_PCMCIA_PROBE=y CONFIG_PM_TRACE_RTC=y
CONFIG_PM_TRACE=y CONFIG_SCHED_TRACER=y CONFIG_STACK_TRACER=y
CONFIG_STACKTRACE_SUPPORT=y CONFIG_STACKTRACE=y CONFIG_TRACE_IRQFLAGS_SUPPORT=y
CONFIG_TRACEPOINTS=y CONFIG_TRACER_MAX_TRACE=y CONFIG_USER_STACKTRACE_SUPPORT=y
CONFIG_UTRACE=y CONFIG_WIMAX_DEBUG_LEVEL=8 CONFIG_WIMAX_I2400M_DEBUG_LEVEL=8
== find /debugfs /proc /sys /dev -name '*kprobes*' 2>/dev/null | xargs grep .
==
/proc/sys/debug/kprobes-optimization:0
== lsmod ==
Module                  Size  Used by
binfmt_misc            17207  1 
tcp_lp                 12583  0 
nf_conntrack_ipv6      13885  2 
nf_defrag_ipv6         13678  1 nf_conntrack_ipv6
ip6table_filter        12711  1 
ip6_tables             17844  1 ip6table_filter
nf_conntrack_ipv4      14182  2 
nf_defrag_ipv4         12601  1 nf_conntrack_ipv4
xt_state               12514  4 
nf_conntrack           70512  3 nf_conntrack_ipv6,nf_conntrack_ipv4,xt_state
8021q                  23401  0 
garp                   13744  1 8021q
stp                    12719  1 garp
llc                    13770  2 garp,stp
fcoe                   22673  0 
libfcoe                41950  1 fcoe
libfc                 101889  2 fcoe,libfcoe
scsi_transport_fc      47165  2 fcoe,libfc
scsi_tgt               18993  1 scsi_transport_fc
lockd                  73543  0 
be2iscsi               62864  0 
iscsi_boot_sysfs       15121  1 be2iscsi
ip6t_REJECT            12782  2 
bnx2i                  49424  0 
cnic                   57653  1 bnx2i
uio                    14374  1 cnic
cxgb4i                 32063  0 
cxgb4                  96268  1 cxgb4i
cxgb3i                 28014  0 
libcxgbi               50487  2 cxgb4i,cxgb3i
cxgb3                 130826  1 cxgb3i
mdio                   13214  1 cxgb3
ib_iser                32818  0 
rdma_cm                36864  1 ib_iser
ib_cm                  36679  1 rdma_cm
iw_cm                  13715  1 rdma_cm
ib_sa                  23625  2 rdma_cm,ib_cm
ib_mad                 37189  2 ib_cm,ib_sa
ib_core                61900  6 ib_iser,rdma_cm,ib_cm,iw_cm,ib_sa,ib_mad
ib_addr                13473  1 rdma_cm
iscsi_tcp              18015  0 
libiscsi_tcp           19333  4 cxgb4i,cxgb3i,libcxgbi,iscsi_tcp
libiscsi               44809  8
be2iscsi,bnx2i,cxgb4i,cxgb3i,libcxgbi,ib_iser,iscsi_tcp,libiscsi_tcp
scsi_transport_iscsi    45361  8
be2iscsi,bnx2i,libcxgbi,ib_iser,iscsi_tcp,libiscsi
joydev                 17124  0 
snd_hda_intel          32323  2 
snd_hda_codec         102795  1 snd_hda_intel
snd_hwdep              13236  1 snd_hda_codec
snd_seq                54637  0 
snd_seq_device         13817  1 snd_seq
snd_pcm                81170  2 snd_hda_intel,snd_hda_codec
microcode              18642  0 
snd_timer              23896  2 snd_seq,snd_pcm
snd                    62853  11
snd_hda_intel,snd_hda_codec,snd_hwdep,snd_seq,snd_seq_device,snd_pcm,snd_timer
i2c_piix4              13406  0 
soundcore              14116  1 snd
virtio_balloon         13071  0 
i2c_core               28151  1 i2c_piix4
snd_page_alloc         13709  2 snd_hda_intel,snd_pcm
virtio_net             22589  0 
sunrpc                196934  2 lockd
uinput                 17246  0 
virtio_blk             17304  3

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
  2012-06-13  6:13 ` [Bug translator/14226] " henrypepr at gmail dot com
@ 2012-06-13 11:43 ` fche at redhat dot com
  2013-12-31 17:42 ` sourceware.org at ch dot pkts.ca
                   ` (16 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2012-06-13 11:43 UTC (permalink / raw)
  To: systemtap

http://sourceware.org/bugzilla/show_bug.cgi?id=14226

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |WAITING
                 CC|                            |fche at redhat dot com

--- Comment #2 from Frank Ch. Eigler <fche at redhat dot com> 2012-06-13 11:43:14 UTC ---
> $ sudo debuginfo-install kernel-3.3.4-5.fc17.x86_64
> [...]
> Package matching kernel-debuginfo-3.3.4-5.fc17.x86_64 already installed.

It appears as though debuginfo-install is lying to you: you do not have
kernel-debuginfo-3.3.4-5.fc17 installed (see the stap-report output), but some
other later version.  Please consider opening a yum-utils fedora bug report.

In the mean time, you may have luck manually downloading the right version from
http://koji.fedoraproject.org/koji/buildinfo?buildID=317848 or perhaps via
"stap --download-debuginfo".

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
  2012-06-13  6:13 ` [Bug translator/14226] " henrypepr at gmail dot com
  2012-06-13 11:43 ` fche at redhat dot com
@ 2013-12-31 17:42 ` sourceware.org at ch dot pkts.ca
  2014-01-03 16:11 ` fche at redhat dot com
                   ` (15 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: sourceware.org at ch dot pkts.ca @ 2013-12-31 17:42 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

P Fudd <sourceware.org at ch dot pkts.ca> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |sourceware.org at ch dot pkts.ca

--- Comment #3 from P Fudd <sourceware.org at ch dot pkts.ca> ---
Hi...

I'm using CentOS 6.5, and I'm finding the same thing:
---------------
# stap -v -e 'probe vfs.read {printf("read performed\n"); exit()}'
Pass 1: parsed user script and 96 library script(s) using
198468virt/26680res/3108shr/24072data kb, in 170usr/10sys/178real ms.
semantic error: while resolving probe point: identifier 'kernel' at
/usr/share/systemtap/tapset/linux/vfs.stp:768:18
        source: probe vfs.read = kernel.function("vfs_read")
                                 ^

semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo]
under '/lib/modules/2.6.32-431.1.2.0.1.el6.x86_64/build'
semantic error: while resolving probe point: identifier 'vfs' at <input>:1:7
        source: probe vfs.read {printf("read performed\n"); exit()}
                      ^

semantic error: no match
Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s)
using 204316virt/32416res/5036shr/27816data kb, in 50usr/80sys/131real ms.
Pass 2: analysis failed.  [man error::pass2]
---------------

If I add '--download-debuginfo -vv' to that command line, it does the
following:
---------------
# stap --download-debuginfo -vv -e 'probe vfs.read {printf("read performed\n");
exit()}'
Systemtap translator/driver (version 2.3/0.152, rpm 2.3-4.el6_5)
Copyright (C) 2005-2013 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
enabled features: AVAHI LIBRPM LIBSQLITE3 NSS TR1_UNORDERED_MAP NLS
Created temporary directory "/tmp/stap0KjZio"
Session arch: x86_64 release: 2.6.32-431.1.2.0.1.el6.x86_64
Searched for library macro files: "/usr/share/systemtap/tapset/linux/*.stpm",
found: 2, processed: 2
Searched for library macro files: "/usr/share/systemtap/tapset/*.stpm", found:
1, processed: 1
Searched: "/usr/share/systemtap/tapset/linux/x86_64/*.stp", found: 3,
processed: 3
Searched: "/usr/share/systemtap/tapset/linux/*.stp", found: 67, processed: 67
Searched: "/usr/share/systemtap/tapset/x86_64/*.stp", found: 1, processed: 1
Searched: "/usr/share/systemtap/tapset/*.stp", found: 22, processed: 22
Pass 1: parsed user script and 96 library script(s) using
198476virt/26728res/3152shr/24080data kb, in 160usr/10sys/175real ms.
Attempting to extract kernel debuginfo build ID from
/lib/modules/2.6.32-431.1.2.0.1.el6.x86_64/build/vmlinux.id
Attempting to extract kernel debuginfo build ID from /sys/kernel/notes
Success! Extracted kernel debuginfo build ID:
f802fda8d8a3aafaf3fc235cda81a62a46c20617
Running /bin/sh -c echo f802fda8d8a3aafaf3fc235cda81a62a46c20617 |
/usr/libexec/abrt-action-install-debuginfo-to-abrt-cache -y --ids=-
Coredump references 1 debuginfo files, 1 of them are not installed
Setting up yum repositories
Looking for needed packages in repositories
Can't find packages for 1 debuginfo files
Missing debuginfo file:
/usr/lib/debug/.build-id/f8/02fda8d8a3aafaf3fc235cda81a62a46c20617.debug
ABRT finished attempting to download debuginfo.
Attempting to extract kernel debuginfo build ID from
/lib/modules/2.6.32-431.1.2.0.1.el6.x86_64/build/vmlinux.id
Attempting to extract kernel debuginfo build ID from /sys/kernel/notes
semantic error: while resolving probe point: identifier 'kernel' at
/usr/share/systemtap/tapset/linux/vfs.stp:768:18
        source: probe vfs.read = kernel.function("vfs_read")
                                 ^

semantic error: missing x86_64 kernel/module debuginfo [man warning::debuginfo]
under '/lib/modules/2.6.32-431.1.2.0.1.el6.x86_64/build'
semantic error: while resolving probe point: identifier 'vfs' at <input>:1:7
        source: probe vfs.read {printf("read performed\n"); exit()}
                      ^

semantic error: no match
Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s)
using 204312virt/32444res/5056shr/27812data kb, in 240usr/190sys/1200real ms.
Pass 2: analysis failed.  [man error::pass2]
Running rm -rf /tmp/stap0KjZio
Spawn waitpid result (0x0): 0
Removed temporary directory "/tmp/stap0KjZio"
-------------------

I take it that CentOS has its own debug repository that I should be looking at?

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (2 preceding siblings ...)
  2013-12-31 17:42 ` sourceware.org at ch dot pkts.ca
@ 2014-01-03 16:11 ` fche at redhat dot com
  2014-11-03 11:16 ` snehal at linux dot vnet.ibm.com
                   ` (14 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2014-01-03 16:11 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #4 from Frank Ch. Eigler <fche at redhat dot com> ---
stap is diagnosing henrypepr's problem correctly: missing debuginfo
of the appropriate version.  Perhaps yum-utils' debuginfo-install is
confused by the presence of more than one kernel version, including a
newer one installed than being run.

P.Fudd's problem is similar: his debuginfo may probably be found here.
If debuginfo-install isn't running right on his distro, he should raise
a bug over there.

http://debuginfo.centos.org/6/x86_64/kernel-debuginfo-2.6.32-431.1.2.0.1.el6.x86_64.rpm

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (3 preceding siblings ...)
  2014-01-03 16:11 ` fche at redhat dot com
@ 2014-11-03 11:16 ` snehal at linux dot vnet.ibm.com
  2014-11-03 14:36 ` fche at redhat dot com
                   ` (13 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-03 11:16 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

snehal <snehal at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |snehal at linux dot vnet.ibm.com
         Resolution|WORKSFORME                  |---

--- Comment #5 from snehal <snehal at linux dot vnet.ibm.com> ---
On ppc64le, ubuntu14.10 I am getting following after installing required pkgs
for systemtap. I do have linux-image-3.16.0-23-generic-dbgsym installed. 

~# stap -v -e  'probe kernel.function("sys_open") {log("hello world" 
Pass 1: parsed user script and 102 library script(s) using
45376virt/35072res/6080shr/28480data kb, in 170usr/0sys/167real ms.
semantic error: while resolving probe point: identifier 'kernel' at <input>:1:7
        source: probe kernel.function("sys_open") {log("hello world") exit()}
                      ^

semantic error: no match
Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 embed(s), 0 global(s)
using 46464virt/38080res/7552shr/29568data kb, in 10usr/90sys/100real ms.
Pass 2: analysis failed.  [man error::pass2]
Tip: /usr/share/doc/systemtap/README.Debian should help you get started.
----------------------------------------------------------------------
My system details
root@ubuntu:~# uname -a
Linux ubuntu 3.16.0-23-generic #31-Ubuntu SMP Tue Oct 21 17:55:08 UTC 2014
ppc64le ppc64le ppc64le GNU/Linux

root@ubuntu:~# dpkg -la | grep kernel
ii  kmod                                 18-1ubuntu2                  ppc64el  
   tools for managing Linux kernel modules
ii  libdrm-nouveau2:ppc64el              2.4.56-1                     ppc64el  
   Userspace interface to nouveau-specific kernel DRM services -- runtime
ii  libdrm-radeon1:ppc64el               2.4.56-1                     ppc64el  
   Userspace interface to radeon-specific kernel DRM services -- runtime
ii  libdrm2:ppc64el                      2.4.56-1                     ppc64el  
   Userspace interface to kernel DRM services -- runtime
ii  linux-firmware                       1.138                        all      
   Firmware for Linux kernel drivers
ii  linux-generic                        3.16.0.23.24                 ppc64el  
   Complete Generic Linux kernel and headers
ii  linux-headers-3.16.0-23              3.16.0-23.31                 all      
   Header files related to Linux kernel version 3.16.0
ii  linux-headers-3.16.0-23-generic      3.16.0-23.31                 ppc64el  
   Linux kernel headers for version 3.16.0 on PowerPC 64el SMP
ii  linux-headers-generic                3.16.0.23.24                 ppc64el  
   Generic Linux kernel headers
ii  linux-image-3.16.0-23-generic        3.16.0-23.31                 ppc64el  
   Linux kernel image for version 3.16.0 on PowerPC 64el SMP
ii  linux-image-3.16.0-23-generic-dbgsym 3.16.0-23.31                 ppc64el  
   Linux kernel debug image for version 3.16.0 on PowerPC 64el SMP
ii  linux-image-extra-3.16.0-23-generic  3.16.0-23.31                 ppc64el  
   Linux kernel extra modules for version 3.16.0 on PowerPC 64el SMP
ii  linux-image-generic                  3.16.0.23.24                 ppc64el  
   Generic Linux kernel image
ii  rsyslog                              7.4.4-1ubuntu11              ppc64el  
   reliable system and kernel logging daemon
root@ubuntu:~# 


Any suggestions ?

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (4 preceding siblings ...)
  2014-11-03 11:16 ` snehal at linux dot vnet.ibm.com
@ 2014-11-03 14:36 ` fche at redhat dot com
  2014-11-04 10:30 ` snehal at linux dot vnet.ibm.com
                   ` (12 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2014-11-03 14:36 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|REOPENED                    |WAITING

--- Comment #6 from Frank Ch. Eigler <fche at redhat dot com> ---
Try "strace stap --vp 09 ..." to see which vmlinux files stap tries to open.
Compare that to the file list of the intended -dbgsym package.

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (5 preceding siblings ...)
  2014-11-03 14:36 ` fche at redhat dot com
@ 2014-11-04 10:30 ` snehal at linux dot vnet.ibm.com
  2014-11-05 17:01 ` fche at redhat dot com
                   ` (11 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-04 10:30 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #7 from snehal <snehal at linux dot vnet.ibm.com> ---
Tried 

strace stap --vp 09 'probe kernel.function("sys_open") {log("hello world")
exit()}'

This is the same version as debugsymbols. 

openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16.0-23-generic/powerpc",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16.0-23-generic",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16.0/powerpc",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16.0",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16/powerpc",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/3.16",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = -1 ENOENT (No such file or
directory)
openat(AT_FDCWD, "/usr/share/systemtap/tapset/powerpc",
O_RDONLY|O_NONBLOCK|O_DIRECTORY|O_CLOEXEC) = 3

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (6 preceding siblings ...)
  2014-11-04 10:30 ` snehal at linux dot vnet.ibm.com
@ 2014-11-05 17:01 ` fche at redhat dot com
  2014-11-07  8:49 ` snehal at linux dot vnet.ibm.com
                   ` (10 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2014-11-05 17:01 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #8 from Frank Ch. Eigler <fche at redhat dot com> ---
(Sorry, that part of the strace output is not relevant to the
kernel debuginfo.  strace -eopen ... then grep for vmlinux.)

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (7 preceding siblings ...)
  2014-11-05 17:01 ` fche at redhat dot com
@ 2014-11-07  8:49 ` snehal at linux dot vnet.ibm.com
  2014-11-07  9:22 ` snehal at linux dot vnet.ibm.com
                   ` (9 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-07  8:49 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #9 from snehal <snehal at linux dot vnet.ibm.com> ---
I tried to run following and tried to grep for open, I didnt see anything
related to open vmlinux, however there are only read calls. 

strace -o stap --vp 09 'probe kernel.function("sys_open") {log("hello world")
exit()}'


root@ubuntu:/home# cat result2.log | grep vmlinux
read(3, "ft_qdisc\tvmlinux\tEXPORT_SYMBOL\n0"..., 8191) = 8191
read(3, "_guest_info_callbacks\tvmlinux\tEX"..., 8191) = 8191
read(3, "ost\tvmlinux\tEXPORT_SYMBOL\n0x051c"..., 8191) = 8191
read(3, "gister_quota_format\tvmlinux\tEXPO"..., 8191) = 8191
read(3, "b_get_hash\tvmlinux\tEXPORT_SYMBOL"..., 8191) = 8191
read(3, "ex\tvmlinux\tEXPORT_SYMBOL\n0x3465f"..., 8191) = 8191
read(3, "read_multi_bytes\tvmlinux\tEXPORT_"..., 8191) = 8191
read(3, "\tuse_mm\tvmlinux\tEXPORT_SYMBOL_GP"..., 8191) = 8191
read(3, "10de535\tioread8\tvmlinux\tEXPORT_S"..., 8191) = 8191
read(3, "1962f8\tparam_get_ushort\tvmlinux\t"..., 8191) = 8191
read(3, "queue_make_request\tvmlinux\tEXPOR"..., 8191) = 8191
read(3, "cooling_device_register\tvmlinux\t"..., 8191) = 8191
read(3, "r\tvmlinux\tEXPORT_SYMBOL\n0x335c57"..., 8191) = 8191
read(3, "et_random_long\tvmlinux\tEXPORT_SY"..., 8191) = 8191
read(3, "6_rcv_spi\tvmlinux\tEXPORT_SYMBOL\n"..., 8191) = 8191
read(3, "ory\tvmlinux\tEXPORT_SYMBOL_GPL\n0x"..., 8191) = 8191
read(3, "ree_s\tvmlinux\tEXPORT_SYMBOL\n0x7a"..., 8191) = 8191
read(3, "blic_key_subtype\tvmlinux\tEXPORT_"..., 8191) = 8191
read(3, "register\tvmlinux\tEXPORT_SYMBOL_G"..., 8191) = 8191
read(3, "e_parts_free\tvmlinux\tEXPORT_SYMB"..., 8191) = 8191
read(3, "13d0adf7\t__kfifo_out\tvmlinux\tEXP"..., 8191) = 8191
read(3, "bb2\tusb_disable_lpm\tvmlinux\tEXPO"..., 8191) = 8191
read(3, "xbb0ab47b\tdebug_locks\tvmlinux\tEX"..., 8191) = 8191
read(3, "p_irq_get_virq\tvmlinux\tEXPORT_SY"..., 8191) = 8191
read(3, "_sff_queue_delayed_work\tvmlinux\t"..., 8191) = 8191
read(3, "mmu_tce_direction\tvmlinux\tEXPORT"..., 8191) = 8191
read(3, "OL\n0x9b3796f2\tbmap\tvmlinux\tEXPOR"..., 8191) = 8191
read(3, "limit\tvmlinux\tEXPORT_SYMBOL\n0xa2"..., 8191) = 8191
root@ubuntu:/home#

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (8 preceding siblings ...)
  2014-11-07  8:49 ` snehal at linux dot vnet.ibm.com
@ 2014-11-07  9:22 ` snehal at linux dot vnet.ibm.com
  2014-11-07 10:21 ` srikar at linux dot vnet.ibm.com
                   ` (8 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-07  9:22 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #10 from snehal <snehal at linux dot vnet.ibm.com> ---
As per your suggestion , output of strace -e open is blank. 
(Does not have any open function calls)

root@ubuntu:/home# strace -e open stap --vp 09 'probe
kernel.function("sys_open") {log("hello world") exit()}' |& grep vmlinu 
root@ubuntu:/home#

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (9 preceding siblings ...)
  2014-11-07  9:22 ` snehal at linux dot vnet.ibm.com
@ 2014-11-07 10:21 ` srikar at linux dot vnet.ibm.com
  2014-11-10  7:11 ` snehal at linux dot vnet.ibm.com
                   ` (7 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: srikar at linux dot vnet.ibm.com @ 2014-11-07 10:21 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Srikar Dronamraju <srikar at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |srikar at linux dot vnet.ibm.com

--- Comment #11 from Srikar Dronamraju <srikar at linux dot vnet.ibm.com> ---
(In reply to snehal from comment #10)
> As per your suggestion , output of strace -e open is blank. 
> (Does not have any open function calls)
> 
> root@ubuntu:/home# strace -e open stap --vp 09 'probe
> kernel.function("sys_open") {log("hello world") exit()}' |& grep vmlinu 
> root@ubuntu:/home#

missing -e option to the probe string

Please run "strace -e open stap --vp 09 -e 'probe kernel.function("sys_open")
{log("hello world") exit()}' |& grep vmlinu"

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (10 preceding siblings ...)
  2014-11-07 10:21 ` srikar at linux dot vnet.ibm.com
@ 2014-11-10  7:11 ` snehal at linux dot vnet.ibm.com
  2014-11-10  9:57 ` snehal at linux dot vnet.ibm.com
                   ` (6 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-10  7:11 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #12 from snehal <snehal at linux dot vnet.ibm.com> ---
Tried following 

#strace -e open stap --vp 09 -e 'probe kernel.function("sys_open") {log("hello
world") exit()}' |& grep vmlinu


open("/boot/vmlinux-3.12.28-4-default", O_RDONLY) = 3
checking pattern '' vs. module 'kernel' file '/boot/vmlinux-3.12.28-4-default'
Attempting to extract kernel debuginfo build ID from
/lib/modules/3.12.28-4-default/build/vmlinux.id
open("/lib/modules/3.12.28-4-default/build/vmlinux.id", O_RDONLY) = -1 ENOENT
(No such file or directory)
focused on module 'kernel' = [0xc000000000000000-0xc000000001231eb4, bias 0
file /usr/lib/debug/boot/vmlinux-3.12.28-4-default.debug ELF machine powerpc|
(code 21)

After this system hangs and does not respond untill ctr+c

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (11 preceding siblings ...)
  2014-11-10  7:11 ` snehal at linux dot vnet.ibm.com
@ 2014-11-10  9:57 ` snehal at linux dot vnet.ibm.com
  2014-11-11  9:02 ` amodra at gmail dot com
                   ` (5 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: snehal at linux dot vnet.ibm.com @ 2014-11-10  9:57 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #13 from snehal <snehal at linux dot vnet.ibm.com> ---
Ignore previous comment (I pasted sles result by mistake)...
On ubuntu again I did run 
strace -e open stap --vp 09 -e 'probe kernel.function("sys_open") {log("hello
world") exit()}' |& grep vmlinu

open("/boot/vmlinux-3.16.0-23-generic", O_RDONLY) = 3
checking pattern '' vs. module 'kernel' file '/boot/vmlinux-3.16.0-23-generic'
Attempting to extract kernel debuginfo build ID from
/lib/modules/3.16.0-23-generic/build/vmlinux.id
open("/lib/modules/3.16.0-23-generic/build/vmlinux.id", O_RDONLY) = -1 ENOENT
(No such file or directory)
open("/boot/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = -1 ENOENT (No such
file or directory)
open("/boot/.debug/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = -1 ENOENT (No
such file or directory)
open("/usr/lib/debug/boot/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = 4
focused on module 'kernel' = [0xc000000000000000-0xc0000000016fc81c, bias 0
file /usr/lib/debug/boot/vmlinux-3.16.0-23-generic.debug ELF machine powerpc|
(code 21)
open("/boot/vmlinux-3.16.0-23-generic", O_RDONLY) = 5
open("/lib/modules/3.16.0-23-generic/build/vmlinux.id", O_RDONLY) = -1 ENOENT
(No such file or directory)
open("/boot/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = -1 ENOENT (No such
file or directory)
open("/boot/.debug/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = -1 ENOENT (No
such file or directory)
open("/usr/lib/debug/boot/vmlinux-3.16.0-23-generic.debug", O_RDONLY) = 6
root@ubuntu:~# 


-----------------------------------------
I tried crating link 

 root@ubuntu:~#  ls -l /usr/lib/debug/boot/vmlinux-3.16.0-23-generic.debug
 lrwxrwxrwx 1 root root 45 Nov 10 03:35
/usr/lib/debug/boot/vmlinux-3.16.0-23-generic.debug ->
/usr/lib/debug/boot/vmlinux-3.16.0-23-generic

Then did try to run stap again 

#stap -v -e  'probe kernel.function("sys_open") {log("hello world") exit()}'

Pass 1: parsed user script and 102 library script(s) using
45376virt/35072res/6080shr/28480data kb, in 170usr/0sys/168real ms.
Pass 2: analyzed script: 1 probe(s), 2 function(s), 0 embed(s), 0 global(s)
using 77184virt/68800res/7488shr/60288data kb, in 560usr/90sys/665real ms.
Pass 3: translated to C into
"/tmp/stap7jBR5P/stap_249960a02a2d0edf9b9c7b95dc166d4d_1155_src.c" using
77184virt/69120res/7808shr/60288data kb, in 20usr/90sys/100real ms.
ld: BFD (GNU Binutils for Ubuntu) 2.24.90.20141014 internal error, aborting at
../../bfd/elf-eh-frame.c line 1727 in _bfd_elf_write_section_eh_frame

ld: Please report this bug.

scripts/Makefile.modpost:124: recipe for target
'/tmp/stap7jBR5P/stap_249960a02a2d0edf9b9c7b95dc166d4d_1155.ko' failed
make[1]: *** [/tmp/stap7jBR5P/stap_249960a02a2d0edf9b9c7b95dc166d4d_1155.ko]
Error 1
Makefile:1348: recipe for target 'modules' failed
make: *** [modules] Error 2
WARNING: kbuild exited with status: 2
Pass 4: compiled C into "stap_249960a02a2d0edf9b9c7b95dc166d4d_1155.ko" in
5940usr/810sys/6885real ms.
Pass 4: compilation failed.  [man error::pass4]
Tip: /usr/share/doc/systemtap/README.Debian should help you get started.
root@ubuntu:~#

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (12 preceding siblings ...)
  2014-11-10  9:57 ` snehal at linux dot vnet.ibm.com
@ 2014-11-11  9:02 ` amodra at gmail dot com
  2014-11-11  9:24 ` srikar at linux dot vnet.ibm.com
                   ` (4 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: amodra at gmail dot com @ 2014-11-11  9:02 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Alan Modra <amodra at gmail dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |amodra at gmail dot com

--- Comment #14 from Alan Modra <amodra at gmail dot com> ---
In reply to comment 13

The abort might be because I turned on .eh_frame processing for ld -r with
binutils commit 5b69e357 on 20141013 which is likely in the Ubuntu 20141014
binutils..

What the abort says is that one of the .eh_frame sections is not a multiple of
8 (for 64-bit objects like ppc64le or x86_64).  I'm guessing that this is due
to your last object file containing CIEs, FDEs, and a terminating 0 word of 4
bytes.  The CIEs and FDEs will be adjusted to be on 8 byte boundaries but that
terminator messes with the size.  Normally, the terminator is in a file all by
itself, and isn't subject to the size check.

Can you verify that my guess is correct?  Or send me the object files and I'll
check them myself.

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* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (13 preceding siblings ...)
  2014-11-11  9:02 ` amodra at gmail dot com
@ 2014-11-11  9:24 ` srikar at linux dot vnet.ibm.com
  2014-11-11 10:03 ` amodra at gmail dot com
                   ` (3 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: srikar at linux dot vnet.ibm.com @ 2014-11-11  9:24 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Srikar Dronamraju <srikar at linux dot vnet.ibm.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |hemkshaw at in dot ibm.com

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (14 preceding siblings ...)
  2014-11-11  9:24 ` srikar at linux dot vnet.ibm.com
@ 2014-11-11 10:03 ` amodra at gmail dot com
  2014-11-11 21:05 ` fche at redhat dot com
                   ` (2 subsequent siblings)
  18 siblings, 0 replies; 20+ messages in thread
From: amodra at gmail dot com @ 2014-11-11 10:03 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #15 from Alan Modra <amodra at gmail dot com> ---
OK, so one of the object files does contain both FDEs and a zero terminator.

ld bug fixed with git commit 4de1599b.
https://sourceware.org/ml/binutils/2014-11/msg00090.html

Note that systemtap could avoid the bug by linking an extra object file
containing an .eh_frame section with just the zero terminator.

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (15 preceding siblings ...)
  2014-11-11 10:03 ` amodra at gmail dot com
@ 2014-11-11 21:05 ` fche at redhat dot com
  2014-11-12  2:56 ` amodra at gmail dot com
  2015-02-23 20:13 ` fche at redhat dot com
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2014-11-11 21:05 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #16 from Frank Ch. Eigler <fche at redhat dot com> ---
> Note that systemtap could avoid the bug by linking an extra object
> file containing an .eh_frame section with just the zero terminator.

Wouldn't all other normal kernel modules be affected by this?

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (16 preceding siblings ...)
  2014-11-11 21:05 ` fche at redhat dot com
@ 2014-11-12  2:56 ` amodra at gmail dot com
  2015-02-23 20:13 ` fche at redhat dot com
  18 siblings, 0 replies; 20+ messages in thread
From: amodra at gmail dot com @ 2014-11-12  2:56 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

--- Comment #17 from Alan Modra <amodra at gmail dot com> ---
The question to ask is why this particular kernel module object file happened
to contain a zero terminator.  One possibility is that it came about from
.eh_frame alignment padding.

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^ permalink raw reply	[flat|nested] 20+ messages in thread

* [Bug translator/14226] semantic error: missing x86_64 kernel/module debuginfo under '...'  while resolving probe point kernel.function("vfs_read").return
  2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
                   ` (17 preceding siblings ...)
  2014-11-12  2:56 ` amodra at gmail dot com
@ 2015-02-23 20:13 ` fche at redhat dot com
  18 siblings, 0 replies; 20+ messages in thread
From: fche at redhat dot com @ 2015-02-23 20:13 UTC (permalink / raw)
  To: systemtap

https://sourceware.org/bugzilla/show_bug.cgi?id=14226

Frank Ch. Eigler <fche at redhat dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|WAITING                     |RESOLVED
         Resolution|---                         |WORKSFORME

--- Comment #18 from Frank Ch. Eigler <fche at redhat dot com> ---
Multiple different causes can give this error message
(as outlined in the error::pass2 man page).  None of
them appeared to be a systemtap bug as opposed to an
e.g. incomplete installation.

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^ permalink raw reply	[flat|nested] 20+ messages in thread

end of thread, other threads:[~2015-02-23 20:13 UTC | newest]

Thread overview: 20+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2012-06-12 10:51 [Bug translator/14226] New: semantic error: missing x86_64 kernel/module debuginfo under '...' while resolving probe point kernel.function("vfs_read").return henrypepr at gmail dot com
2012-06-13  6:13 ` [Bug translator/14226] " henrypepr at gmail dot com
2012-06-13 11:43 ` fche at redhat dot com
2013-12-31 17:42 ` sourceware.org at ch dot pkts.ca
2014-01-03 16:11 ` fche at redhat dot com
2014-11-03 11:16 ` snehal at linux dot vnet.ibm.com
2014-11-03 14:36 ` fche at redhat dot com
2014-11-04 10:30 ` snehal at linux dot vnet.ibm.com
2014-11-05 17:01 ` fche at redhat dot com
2014-11-07  8:49 ` snehal at linux dot vnet.ibm.com
2014-11-07  9:22 ` snehal at linux dot vnet.ibm.com
2014-11-07 10:21 ` srikar at linux dot vnet.ibm.com
2014-11-10  7:11 ` snehal at linux dot vnet.ibm.com
2014-11-10  9:57 ` snehal at linux dot vnet.ibm.com
2014-11-11  9:02 ` amodra at gmail dot com
2014-11-11  9:24 ` srikar at linux dot vnet.ibm.com
2014-11-11 10:03 ` amodra at gmail dot com
2014-11-11 21:05 ` fche at redhat dot com
2014-11-12  2:56 ` amodra at gmail dot com
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