* [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel
@ 2007-05-25 21:54 wcohen at redhat dot com
2007-06-07 16:29 ` [Bug tapsets/4553] " wcohen at redhat dot com
` (3 more replies)
0 siblings, 4 replies; 5+ messages in thread
From: wcohen at redhat dot com @ 2007-05-25 21:54 UTC (permalink / raw)
To: systemtap
A number of the systemtap runtime tests fail on the 2.6.9-55.ELsmp kernel
because the the arguments for the systemcalls are not be generated correctly for
the kernel.
FAIL: 32-bit access
FAIL: 32-bit alarm
FAIL: 32-bit chmod
FAIL: 32-bit clock
FAIL: 32-bit dir
FAIL: 32-bit link
FAIL: 32-bit mmap
FAIL: 32-bit mount
FAIL: 32-bit net1
FAIL: 32-bit openclose
FAIL: 32-bit readwrite
FAIL: 32-bit rt_signal
FAIL: 32-bit signal
FAIL: 32-bit stat
FAIL: 32-bit statfs
FAIL: 32-bit swap
FAIL: 32-bit sync
FAIL: 32-bit timer
FAIL: 32-bit trunc
FAIL: 32-bit uid
FAIL: 32-bit uid16
FAIL: 32-bit unlink
Looking through the systemtap.log shows that many of the arguments are listed as
"<unknown>". For example output of 32-bit link includes the following output:
link: open (<unknown>,
O_RDONLY|O_APPEND|O_DIRECTORY|O_EXCL|O_LARGEFILE|O_NONBLOCK) = 4
link: close (4) = 0
link: link (<unknown>, <unknown>) = 0
link: link (<unknown>, <unknown>) = -17 (EEXIST)
link: link (<unknown>, <unknown>) = -2 (ENOENT)
link: symlink (<unknown>, <unknown>) = 0
link: readlink (<unknown>, 0x3a080300, 128) = 6
link: exit_group (0) =
--
Summary: i686 RHEL4u5 systemcall tapset argument issues with
2.6.9-55.ELsmp kernel
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: tapsets
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: wcohen at redhat dot com
GCC host triplet: i686
http://sourceware.org/bugzilla/show_bug.cgi?id=4553
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* [Bug tapsets/4553] i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel
2007-05-25 21:54 [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel wcohen at redhat dot com
@ 2007-06-07 16:29 ` wcohen at redhat dot com
2007-06-07 21:01 ` dsmith at redhat dot com
` (2 subsequent siblings)
3 siblings, 0 replies; 5+ messages in thread
From: wcohen at redhat dot com @ 2007-06-07 16:29 UTC (permalink / raw)
To: systemtap
------- Additional Comments From wcohen at redhat dot com 2007-06-07 16:29 -------
Did some searching through the email archive of test results. It looks like
something changed between the following dates to make it so that the tests fails.
worked
Date: 200612200930
User: wcohen
Kernel: Linux 2.6.9-42.0.3.EL #1 Mon Sep 25 17:14:19 EDT 2006 i686 athlon i386
GNU/Linux
failed
Date: 200701120930
User: wcohen
Kernel: Linux 2.6.9-42.0.3.EL #1 Mon Sep 25 17:14:19 EDT 2006 i686 athlon i386
GNU/Linux
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4553
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* [Bug tapsets/4553] i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel
2007-05-25 21:54 [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel wcohen at redhat dot com
2007-06-07 16:29 ` [Bug tapsets/4553] " wcohen at redhat dot com
@ 2007-06-07 21:01 ` dsmith at redhat dot com
2007-06-08 18:14 ` dsmith at redhat dot com
2010-01-14 17:03 ` dsmith at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: dsmith at redhat dot com @ 2007-06-07 21:01 UTC (permalink / raw)
To: systemtap
------- Additional Comments From dsmith at redhat dot com 2007-06-07 21:01 -------
It looks like RHEL4u5 (or any other system with gcc version < 4) needs the new
"--enable-prologues" configure option.
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|systemtap at sources dot |dsmith at redhat dot com
|redhat dot com |
Status|NEW |ASSIGNED
http://sourceware.org/bugzilla/show_bug.cgi?id=4553
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* [Bug tapsets/4553] i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel
2007-05-25 21:54 [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel wcohen at redhat dot com
2007-06-07 16:29 ` [Bug tapsets/4553] " wcohen at redhat dot com
2007-06-07 21:01 ` dsmith at redhat dot com
@ 2007-06-08 18:14 ` dsmith at redhat dot com
2010-01-14 17:03 ` dsmith at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: dsmith at redhat dot com @ 2007-06-08 18:14 UTC (permalink / raw)
To: systemtap
------- Additional Comments From dsmith at redhat dot com 2007-06-08 18:14 -------
I've checked in a change to configure.ac/configure that automatically enables
prologue searching if:
- we're running on an x86
- gcc version is less than 4
This change reduces the cases of system calls returning "<unknown>". However,
the syscall tests still don't pass. It appears that on the two rhel4 systems I
tried this on probes get skipped which changes the output the tests look for.
I'm unsure as to why this is happening.
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|dsmith at redhat dot com |systemtap at sources dot
| |redhat dot com
http://sourceware.org/bugzilla/show_bug.cgi?id=4553
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* [Bug tapsets/4553] i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel
2007-05-25 21:54 [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel wcohen at redhat dot com
` (2 preceding siblings ...)
2007-06-08 18:14 ` dsmith at redhat dot com
@ 2010-01-14 17:03 ` dsmith at redhat dot com
3 siblings, 0 replies; 5+ messages in thread
From: dsmith at redhat dot com @ 2010-01-14 17:03 UTC (permalink / raw)
To: systemtap
------- Additional Comments From dsmith at redhat dot com 2010-01-14 17:03 -------
On current rhel5 kernels (2.6.18-164.9.1.el5) we don't see this problem, so I'm
closing this as WONTFIX.
--
What |Removed |Added
----------------------------------------------------------------------------
CC| |dsmith at redhat dot com
Status|ASSIGNED |RESOLVED
Resolution| |WONTFIX
http://sourceware.org/bugzilla/show_bug.cgi?id=4553
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2007-05-25 21:54 [Bug tapsets/4553] New: i686 RHEL4u5 systemcall tapset argument issues with 2.6.9-55.ELsmp kernel wcohen at redhat dot com
2007-06-07 16:29 ` [Bug tapsets/4553] " wcohen at redhat dot com
2007-06-07 21:01 ` dsmith at redhat dot com
2007-06-08 18:14 ` dsmith at redhat dot com
2010-01-14 17:03 ` dsmith at redhat dot com
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