* [Bug runtime/17414] New: rhel7/ppc64: "stap -p4 -e 'probe nfsd.open{ println(fh) }'" semantic error
@ 2014-09-19 13:39 mcermak at redhat dot com
2014-09-19 15:16 ` [Bug runtime/17414] " fche at redhat dot com
0 siblings, 1 reply; 2+ messages in thread
From: mcermak at redhat dot com @ 2014-09-19 13:39 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=17414
Bug ID: 17414
Summary: rhel7/ppc64: "stap -p4 -e 'probe nfsd.open{
println(fh) }'" semantic error
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
Assignee: systemtap at sourceware dot org
Reporter: mcermak at redhat dot com
On rhel7/ppc64 I see following semantic error:
.qa. 7.0 S ppc64 # stap --version
Systemtap translator/driver (version 2.7/0.158, rpm 2.7-1.mcermak.b6eb07f.el7)
Copyright (C) 2005-2014 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 DYNINST JAVA LIBVIRT LIBXML2
.qa. 7.0 S ppc64 # uname -r
3.10.0-123.6.3.el7.ppc64
.qa. 7.0 S ppc64 #
.qa. 7.0 S ppc64 #
.qa. 7.0 S ppc64 # stap -p4 -e 'probe nfsd.open{ println(fh) }'
semantic error: not accessible at this address (pc: 0x18178) [man
error::dwarf]: identifier '$fhp' at
/usr/share/systemtap/tapset/linux/nfsd.stp:1100:16
dieoffset: 0x4e6a8 from
/usr/lib/debug/lib/modules/3.10.0-123.6.3.el7.ppc64/kernel/fs/nfsd/nfsd.ko.debug
function: nfsd_open at fs/nfsd/vfs.c:814 inlined by nfsd_read at
fs/nfsd/vfs.c:1120
alternative locations: [0x18190,0x1819f], [0x1819f,0x18228],
[0x18228,0x1852c], [0x1852c,0x1859c], [0x1859c,0x186b0], [0x186b0,0x186bc],
[0x186bc,0x186ec]
source: fh = __svc_fh($fhp)
^
Pass 2: analysis failed. [man error::pass2]
.qa. 7.0 S ppc64 #
Please, review.
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* [Bug runtime/17414] rhel7/ppc64: "stap -p4 -e 'probe nfsd.open{ println(fh) }'" semantic error
2014-09-19 13:39 [Bug runtime/17414] New: rhel7/ppc64: "stap -p4 -e 'probe nfsd.open{ println(fh) }'" semantic error mcermak at redhat dot com
@ 2014-09-19 15:16 ` fche at redhat dot com
0 siblings, 0 replies; 2+ messages in thread
From: fche at redhat dot com @ 2014-09-19 15:16 UTC (permalink / raw)
To: systemtap
https://sourceware.org/bugzilla/show_bug.cgi?id=17414
Frank Ch. Eigler <fche at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
CC| |fche at redhat dot com
Resolution|--- |INVALID
--- Comment #1 from Frank Ch. Eigler <fche at redhat dot com> ---
Doesn't appear to be a stap bug - gcc really is omitting debuginfo
for that inlined instance of nfsd_read.
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2014-09-19 13:39 [Bug runtime/17414] New: rhel7/ppc64: "stap -p4 -e 'probe nfsd.open{ println(fh) }'" semantic error mcermak at redhat dot com
2014-09-19 15:16 ` [Bug runtime/17414] " fche at redhat dot com
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