* [Bug tapsets/4850] New: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function
@ 2007-07-26 22:03 wcohen at redhat dot com
2007-07-27 15:43 ` [Bug tapsets/4850] " wcohen at redhat dot com
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: wcohen at redhat dot com @ 2007-07-26 22:03 UTC (permalink / raw)
To: systemtap
Can't probe sys_quotactl function on ia64 with 2.6.23-rc1 kernel
$ ../../install/bin/stap ../../src/testsuite/buildok/syscall.stp
semantic error: no match for probe point while resolving probe point
kernel.function("sys_quotactl")
semantic error: no match for probe point while resolving probe point
kernel.function("sys_quotactl").return
Pass 2: analysis failed. Try again with more '-v' (verbose) options.
--
Summary: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel,
missing sys_quotactl function
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: ia64
http://sourceware.org/bugzilla/show_bug.cgi?id=4850
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* [Bug tapsets/4850] buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function
2007-07-26 22:03 [Bug tapsets/4850] New: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function wcohen at redhat dot com
@ 2007-07-27 15:43 ` wcohen at redhat dot com
2007-07-27 15:48 ` wcohen at redhat dot com
2007-07-27 17:59 ` hunt at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: wcohen at redhat dot com @ 2007-07-27 15:43 UTC (permalink / raw)
To: systemtap
------- Additional Comments From wcohen at redhat dot com 2007-07-27 14:43 -------
The sys_quotactl function is defined in the 2.6.23-rc1 kernel on the ia64
$ nm vmlinux |grep quotactl
a000000100237360 t dummy_quotactl
a000000100241100 t selinux_quotactl
a0000001000aca00 W sys32_quotactl
a0000001000aca00 W sys_quotactl
Comparing to 2.6.9-55.0.2.EL vmlinux
$ nm /usr/lib/debug/lib/modules/2.6.9-55.0.2.EL/vmlinux |grep quotactl
a000000100204c20 t dummy_quotactl
a00000010020eee0 t selinux_quotactl
a0000001001a1c40 T sys_quotactl
a0000001007653a0 D vfs_quotactl_ops
Does systemtap understand weak symbols? That seems to be the difference between
the two kernels.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4850
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* [Bug tapsets/4850] buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function
2007-07-26 22:03 [Bug tapsets/4850] New: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function wcohen at redhat dot com
2007-07-27 15:43 ` [Bug tapsets/4850] " wcohen at redhat dot com
@ 2007-07-27 15:48 ` wcohen at redhat dot com
2007-07-27 17:59 ` hunt at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: wcohen at redhat dot com @ 2007-07-27 15:48 UTC (permalink / raw)
To: systemtap
------- Additional Comments From wcohen at redhat dot com 2007-07-27 15:43 -------
The sys_quotactl is not implemented in the particular build of the 2.6.23-rc1
for ia64 because it failed build with CONFIG_QUOTA=y. With CONFIG_QUOTA unset
the sys_quotactl is unimplemented. There are a number of conditionally implement
systemcalls in kernel/sys_ni.c. systemtap tapsets will need to handle those call
gracefully.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=4850
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* [Bug tapsets/4850] buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function
2007-07-26 22:03 [Bug tapsets/4850] New: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function wcohen at redhat dot com
2007-07-27 15:43 ` [Bug tapsets/4850] " wcohen at redhat dot com
2007-07-27 15:48 ` wcohen at redhat dot com
@ 2007-07-27 17:59 ` hunt at redhat dot com
2 siblings, 0 replies; 4+ messages in thread
From: hunt at redhat dot com @ 2007-07-27 17:59 UTC (permalink / raw)
To: systemtap
--
What |Removed |Added
----------------------------------------------------------------------------
AssignedTo|systemtap at sources dot |hunt at redhat dot com
|redhat dot com |
Status|NEW |ASSIGNED
http://sourceware.org/bugzilla/show_bug.cgi?id=4850
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2007-07-26 22:03 [Bug tapsets/4850] New: buildok/syscall.stp fails on ia64 2.6.23-rc1 kernel, missing sys_quotactl function wcohen at redhat dot com
2007-07-27 15:43 ` [Bug tapsets/4850] " wcohen at redhat dot com
2007-07-27 15:48 ` wcohen at redhat dot com
2007-07-27 17:59 ` hunt at redhat dot com
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