Re: [igt-dev] ✗ GitLab.Pipeline: warning for Dockerfile.debian*: Switch over to buster

Arkadiusz Hiler
2019-07-15T08:13:15Z

On Fri, Jul 12, 2019 at 09:57:17AM +0100, Guillaume Tucker wrote:
> On 08/07/2019 13:21, Arkadiusz Hiler wrote:
> > On Mon, Jul 08, 2019 at 07:25:14AM +0000, Patchwork wrote:
> >> == Series Details ==
> >>
> >> Series: Dockerfile.debian*: Switch over to buster
> >> URL : https://patchwork.freedesktop.org/series/63339/
> >> State : warning
> >>
> >> == Summary ==
> >>
> >> Pipeline status: FAILED.
> >>
> >> See https://gitlab.freedesktop.org/gfx-ci/igt-ci-tags/pipelines/47180 for more details.
> >>
> >> == Logs ==
> >>
> >
> >> For more details see: https://gitlab.freedesktop.org/gfx-ci/igt-ci-tags/pipelines/47180
> >
> > Seems like it's failing for MIPS realiably:
> >
> > https://gitlab.freedesktop.org/gfx-ci/igt-ci-tags/-/jobs/405401
> >
> >
> > One example of many sigsegvs:
> > --- command ---
> > /usr/bin/qemu-mips /builds/gfx-ci/igt-ci-tags/build/lib/tests/igt_invalid_subtest_name
> > --- stdout ---
> > IGT-Version: 1.24-NO-GIT (mips) (Linux: 4.9.0-9-amd64 mips)
> > --- stderr ---
> > (igt_invalid_subtest_name:92) igt_core-CRITICAL: Invalid subtest name "# invalid name !".
> > igt_invalid_subtest_name: ../lib/igt_core.c:1714: igt_exit: Assertion `!test_with_subtests || skipped_one || succeeded_one || failed_one' failed.
> > Received signal SIGABRT.
> > Stack trace:
> > Received signal SIGSEGV.
> > Stack trace:
> > qemu: uncaught target signal 11 (Segmentation fault) - core dumped
> > igt_invalid_subtest_name: ../lib/tests/igt_tests_common.h:46: internal_assert_wsignaled: Assertion `WIFSIGNALED(wstatus) && WTERMSIG(wstatus) == signal' failed.
> > qemu: uncaught target signal 6 (Aborted) - core dumped
> > -------
> >
> > Other architectures seem to be fine and the same thing is passing on
> > stretch.
> >
> > Guillaume, do you have any idea what may be going on before I dig into
> > it?
>
> I've had a look, the segfault is coming from libunwind when
> trying to do a stack trace. The version of libunwind in Debian
> Stretch (1.1) had large parts unimplemented for MIPS, and while
> the one in Buster (1.2.1) seems to be able to fully support that
> it also appears to have a bug causing the segfault.
>
> There have been a few fixes upstream in libunwind for MIPS, maybe
> some of these need to be back-ported to the package in Debian.
> I've built the 1.2.1 version from source and can reproduce the
> problem, I can try the latest version to see if there has been a
> fix for that next week. And if that's the case, ask the Debian
> package maintainer to add some fixes. If the latest upstream
> version still doesn't work, well I guess that would be something
> to report to the MIPS people who worked on libunwind.
>
> Guillaume

Thanks for investigating this! Poke me here or on the IRC (ivyl) when
you think it might be working with buster. I'll give the series another
spin.

--
Cheers,
Arek