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[Bug runtime/7082] uretprobes probes causing kernel problems
- From: "jkenisto at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>
- To: systemtap at sources dot redhat dot com
- Date: 10 Dec 2008 01:49:55 -0000
- Subject: [Bug runtime/7082] uretprobes probes causing kernel problems
- References: <20081208200821.7082.dsmith@redhat.com>
- Reply-to: sourceware-bugzilla at sourceware dot org
------- Additional Comments From jkenisto at us dot ibm dot com 2008-12-10 01:49 -------
Created an attachment (id=3099)
--> (http://sourceware.org/bugzilla/attachment.cgi?id=3099&action=view)
Adds some instrumentation to uprobes2/uprobes.c (AKA uprobes_core.c)
I'm not seeing any hangs, but I see the Trace/breakpoint trap on [2].
And when I add the attached instrumentation to uprobes[_core].c, I see lots of
printks ("Child %d failed to inherit parent %d's SSOL vma..." and "Parent %d's
SSOL vma is no longer valid...") on [4] -- but not [2]. I haven't yet figured
out why that happens.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=7082
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