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[Bug runtime/5051] New: backtrace() in return probes are failed on ia64
- From: "mhiramat at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 20 Sep 2007 19:40:25 -0000
- Subject: [Bug runtime/5051] New: backtrace() in return probes are failed on ia64
- Reply-to: sourceware-bugzilla at sourceware dot org
I called the backtrace() at the return probe of __kmalloc() on ia64 (linux-2.6.22).
But the result seems be broken. Is this a known limitation?
Returning from: 0xa000000100146fe0 : __kmalloc+0x0/0x240 []
Returning to : 0xa0000001001b3de0 : bio_copy_user+0xa0/0x540 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
0xa0000001000588c0 : kretprobe_trampoline+0x0/0x20 []
--
Summary: backtrace() in return probes are failed on ia64
Product: systemtap
Version: unspecified
Status: NEW
Severity: normal
Priority: P2
Component: runtime
AssignedTo: systemtap at sources dot redhat dot com
ReportedBy: mhiramat at redhat dot com
GCC host triplet: ia64
http://sourceware.org/bugzilla/show_bug.cgi?id=5051
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