[Bug runtime/15880] on ppc64, getting a kernel panic when running systemtap.stress/conversions.exp

[dsmith at redhat dot com]

http://sourceware.org/bugzilla/show_bug.cgi?id=15880

--- Comment #2 from David Smith <dsmith at redhat dot com> ---
Here's some additional information. The conversions.exp testcase runs several
scripts: conversions.stp, conversions_trace.stp (testing tracepoints),
conversions_profile.stp (testing timer.profile), and conversions_perf.stp
(testing perf probes).

The panic happens only when the conversions_perf.stp test is run. In addition,
this appears to be related to the user_string_n() function, which was changed
by bug #15044. Note that the panic doesn't happen if I run conversions_perf.stp
with the '--compatible=2.2' flag.

To sum up, the following doesn't cause a panic:

# stap --compatible=2.2 -DMAXSKIPPED=99999 -DMAXERRORS=40 -v
../src/testsuite/systemtap.stress/conversions_perf.stp 0xffffffff

But this does:

# stap -DMAXSKIPPED=99999 -DMAXERRORS=40 -v
../src/testsuite/systemtap.stress/conversions_perf.stp 0xffffffff

-- 
You are receiving this mail because:
You are the assignee for the bug.