Hi,
> start ip=7ffff766a4b2 [... missing epiologue unwind info ...] So the change
> to %rsp at 0006a4b2 is missing unwind information.
Right, that's the "no unwind info in epilogue" issue. That will be fixed when
your lib{c,m,dl} + ld-linux will be rebuilt with GCC 4.5.0+. We see these at
0.5% level when profiling our applications, and I am afraid there's not much
that can be done to fix them.
> Probably fixed in the Ubuntu release you're testing with.
No... I do get the same errors in the other tests, but not the ones you had
fail. I don't have a physical x86_64 machine with Ubuntu to test with, I used a
virtual machine. Many of the failures seem to originate from asynchronous
dual-process tests, and the failures move around from run to run, so maybe the
VM affects the process interaction and whether the failure hits.
Anyway glad you figured it out.
> I'm going to ignore this issue and push your first patchset to git hopefully
> soon.
Hurrah :-) Thanks a lot.
Lassi
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