[llvm-dev] buildbot failure in LLVM on clang-cmake-mips

[Daniel Sanders via llvm-dev]

That seems to be it, defining ASAN_PTHREAD_CREATE_VERSION to "GLIBC_2.2" fixes the problem. Thanks.

I'll re-enable the test and commit a fix for mips shortly.

> -----Original Message-----
> From: Evgenii Stepanov [mailto:eugeni.stepanov at gmail.com]
> Sent: 03 October 2015 00:06
> To: Daniel Sanders
> Cc: David Blaikie; llvm-dev at lists.llvm.org; Konstantin Serebryany
> Subject: Re: buildbot failure in LLVM on clang-cmake-mips
> 
> The stack trace look very similar to the original problem on
> linux/x86, which was due to mismatching symbol versions between
> pthread_attr_* calls (unintercepted, binding to the default version)
> and pthread_create (intercepted, binding to the lowest version through
> dlsym).
> 
> On Fri, Oct 2, 2015 at 3:33 PM, Daniel Sanders
> <Daniel.Sanders at imgtec.com> wrote:
> > Thanks. From the debugging I've done so far it looks like it could be another
> 32-bit big-endian specific bug. It seems to be segfaulting in the memset() in
> allocate_stack.c (from glib) because given stack pointer is null. I'm guessing
> this is because it read the wrong half of a 64-bit value somewhere but I
> haven't identified where it goes wrong.
> > ________________________________________
> > From: Evgenii Stepanov [eugeni.stepanov at gmail.com]
> > Sent: 02 October 2015 22:26
> > To: Daniel Sanders
> > Cc: David Blaikie; llvm-dev at lists.llvm.org; Konstantin Serebryany
> > Subject: Re: buildbot failure in LLVM on clang-cmake-mips
> >
> > This is quite sad as we can't reliably fix this case with the static
> > asan runtime.
> > I've disabled the test on mips.
> >
> >
> > On Fri, Oct 2, 2015 at 2:21 AM, Daniel Sanders
> > <Daniel.Sanders at imgtec.com> wrote:
> >> I've just noticed that this is a new test added in r248325 and has never
> >> passed on this builder. Added the author of the test (Evgeniy).
> >>
> >>
> >>
> >> From: llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] On Behalf Of
> Daniel
> >> Sanders via llvm-dev
> >> Sent: 01 October 2015 20:34
> >> To: David Blaikie
> >> Cc: llvm-dev
> >> Subject: Re: [llvm-dev] buildbot failure in LLVM on clang-cmake-mips
> >>
> >>
> >>
> >>> > I do. I'll take a look.
> >>> >
> >>> > Is there a way for owners to get emails for long-lasting failures?
> >>>
> >>> I'm not sure what the generic setup is, but at least for the builder/slave
> >>> I admin, it emails me on every failure. So I get a lot of mail,
> >>> continuously,
> >>> if there's a consistent failure.
> >>
> >> Ok, I'll see if I can get mine to do the same.
> >>
> >> ________________________________
> >>
> >> From: David Blaikie [dblaikie at gmail.com]
> >> Sent: 01 October 2015 20:19
> >> To: Daniel Sanders
> >> Cc: llvm-dev
> >> Subject: Re: buildbot failure in LLVM on clang-cmake-mips
> >>
> >>
> >>
> >>
> >>
> >> On Thu, Oct 1, 2015 at 12:08 PM, Daniel Sanders
> <Daniel.Sanders at imgtec.com>
> >> wrote:
> >>
> >> I do. I'll take a look.
> >>
> >> Is there a way for owners to get emails for long-lasting failures?
> >>
> >>
> >>
> >> I'm not sure what the generic setup is, but at least for the builder/slave I
> >> admin, it emails me on every failure. So I get a lot of mail, continuously,
> >> if there's a consistent failure.
> >>
> >> - Dave
> >>
> >>
> >>
> >> ________________________________
> >>
> >> From: David Blaikie [dblaikie at gmail.com]
> >> Sent: 01 October 2015 18:55
> >> To: llvm-dev; Daniel Sanders
> >> Subject: Fwd: buildbot failure in LLVM on clang-cmake-mips
> >>
> >> This buildbot has been failing for over a week straight (
> >> http://lab.llvm.org:8011/builders/clang-cmake-mips/builds/9387 ) - does
> >> anyone know/care about it?
> >>
> >> ---------- Forwarded message ----------
> >> From: <llvm.buildmaster at lab.llvm.org>
> >> Date: Wed, Sep 30, 2015 at 7:49 PM
> >> Subject: buildbot failure in LLVM on clang-cmake-mips
> >> To: Adrian Prantl <aprantl at apple.com>, Ahmed Bougacha
> >> <ahmed.bougacha at gmail.com>, Bob Wilson <bob.wilson at apple.com>,
> David Blaikie
> >> <dblaikie at gmail.com>, Davide Italiano <davide at freebsd.org>, Dehao
> Chen
> >> <dehao at google.com>
> >> Cc: gkistanova at gmail.com
> >>
> >>
> >> The Buildbot has detected a new failure on builder clang-cmake-mips
> while
> >> building llvm.
> >> Full details are available at:
> >>  http://lab.llvm.org:8011/builders/clang-cmake-mips/builds/9538
> >>
> >> Buildbot URL: http://lab.llvm.org:8011/
> >>
> >> Buildslave for this Build: mips-kl-m001
> >>
> >> Build Reason: scheduler
> >> Build Source Stamp: [branch trunk] 248976
> >> Blamelist: ab,adrian,bwilson,davide,dblaikie,dehao
> >>
> >> BUILD FAILED: failed ninja check 1
> >>
> >> sincerely,
> >>  -The Buildbot
> >>
> >>
> >>
> >>
> >>