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[Bug runtime/13714] panic when sampling backtrace() in timer.profile
- From: "mjw at redhat dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sourceware dot org
- Date: Mon, 20 Feb 2012 14:26:42 +0000
- Subject: [Bug runtime/13714] panic when sampling backtrace() in timer.profile
- Auto-submitted: auto-generated
- References: <bug-13714-6586@http.sourceware.org/bugzilla/>
http://sourceware.org/bugzilla/show_bug.cgi?id=13714
Mark Wielaard <mjw at redhat dot com> changed:
What |Removed |Added
----------------------------------------------------------------------------
CC| |mjw at redhat dot com
--- Comment #1 from Mark Wielaard <mjw at redhat dot com> 2012-02-20 14:26:42 UTC ---
After some poking (also needed to increase MAXMAPENTRIES) I could finally
replicate it on 3.3.0-0.rc1.git6.1.fc17.x86_64 with
systemtap-devel-1.7-1.fc17.x86_64
[ 1305.976762] stap_e93c7971f27dbaecad41f45add08f2ea_2319: systemtap:
1.7/0.152, base: ffffffffa0662000, memory:
4291data/40text/86ctx/2058net/244893alloc kb, probes: 2
[ 1309.808090] BUG: unable to handle kernel NULL pointer dereference at
0000000000000007
[ 1309.809029] IP: [<ffffffffa06620c4>] get_uleb128+0x54/0x80
[stap_e93c7971f27dbaecad41f45add08f2ea_2319]
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