systemtap 2.2.1 installcheck => kernel BUG at .. kprobes.c:707

Timo Juhani Lindfors timo.lindfors@iki.fi
Fri May 17 14:20:00 GMT 2013


fche@redhat.com (Frank Ch. Eigler) writes:
> This seems like a recurrence of an old kernel bug related to
> optimized-kprobes, see <http://sourceware.org/bugzilla/show_bug.cgi?id=13193>.
> It could also be something related to ftrace/kprobes perhaps.

Thanks! After "echo 0 > /proc/sys/debug/kprobes-optimization" the kernel
does not crash anymore and the testsuite completes. I see however a few
stap segfaults and OOM killer hits.

See the attached log files.

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