Diego Novillo
2015-May-13 16:59 UTC
[LLVMdev] Confusing buildbot failure in LLVM on sanitizer-x86_64-linux
Alexey, I got mail from one of the tsan buildbots, claiming a breakage in tsan tests. But I cannot see anything on the logs it has for the build. http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916/steps/run%2064-bit%20tsan%20unit%20tests/logs/stdio Any ideas? Thanks. Diego. ---------- Forwarded message ---------- From: <llvm.buildmaster at lab.llvm.org> Date: Wed, May 13, 2015 at 12:53 PM Subject: buildbot failure in LLVM on sanitizer-x86_64-linux To: Brendon Cahoon <bcahoon at codeaurora.org>, Diego Novillo <dnovillo at google.com>, Teresa Johnson <tejohnson at google.com>, Yaron Keren <yaron.keren at gmail.com> Cc: gkistanova at gmail.com The Buildbot has detected a new failure on builder sanitizer-x86_64-linux while building llvm. Full details are available at: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916 Buildbot URL: http://lab.llvm.org:8011/ Buildslave for this Build: sanitizer-buildbot1 Build Reason: scheduler Build Source Stamp: [branch trunk] 237261 Blamelist: bcahoon,dnovillo,tejohnson,yrnkrn BUILD FAILED: failed annotate failed run 64-bit tsan unit tests sincerely, -The Buildbot
Reid Kleckner
2015-May-13 17:39 UTC
[LLVMdev] Confusing buildbot failure in LLVM on sanitizer-x86_64-linux
It's a 20m timeout without output. If you back up to the build and look at the 'annotate' step output, there's this text: http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916/steps/annotate/logs/stdio -- Testing: 258 tests, 16 threads -- Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. command timed out: 1200 seconds without output, attempting to kill process killed by signal 9 program finished with exit code -1 elapsedTime=3507.624426 The annotator should probably include that timeout text in the failing step, so that sounds like a bug. Another issue is that tsan times out sometimes. Should we be sending tsan build failures to upstream developers? How often do they break tsan? I suspect that when LLVM breaks tsan, it also breaks ASan, which isn't as flaky. It might be better to mail the tsan failures to Dmitry or someone and not upstream LLVM devs. On Wed, May 13, 2015 at 9:59 AM, Diego Novillo <dnovillo at google.com> wrote:> Alexey, I got mail from one of the tsan buildbots, claiming a breakage > in tsan tests. But I cannot see anything on the logs it has for the > build. > > > http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916/steps/run%2064-bit%20tsan%20unit%20tests/logs/stdio > > Any ideas? Thanks. Diego. > > > ---------- Forwarded message ---------- > From: <llvm.buildmaster at lab.llvm.org> > Date: Wed, May 13, 2015 at 12:53 PM > Subject: buildbot failure in LLVM on sanitizer-x86_64-linux > To: Brendon Cahoon <bcahoon at codeaurora.org>, Diego Novillo > <dnovillo at google.com>, Teresa Johnson <tejohnson at google.com>, Yaron > Keren <yaron.keren at gmail.com> > Cc: gkistanova at gmail.com > > > The Buildbot has detected a new failure on builder > sanitizer-x86_64-linux while building llvm. > Full details are available at: > http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916 > > Buildbot URL: http://lab.llvm.org:8011/ > > Buildslave for this Build: sanitizer-buildbot1 > > Build Reason: scheduler > Build Source Stamp: [branch trunk] 237261 > Blamelist: bcahoon,dnovillo,tejohnson,yrnkrn > > BUILD FAILED: failed annotate failed run 64-bit tsan unit tests > > sincerely, > -The Buildbot > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150513/cb2e8a0f/attachment.html>
David Blaikie
2015-May-13 18:08 UTC
[LLVMdev] Confusing buildbot failure in LLVM on sanitizer-x86_64-linux
On Wed, May 13, 2015 at 10:39 AM, Reid Kleckner <rnk at google.com> wrote:> It's a 20m timeout without output. > > If you back up to the build and look at the 'annotate' step output, > there's this text: > > http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916/steps/annotate/logs/stdio > > -- Testing: 258 tests, 16 threads -- > Testing: 0 .. 10.. 20.. 30.. 40.. 50.. 60.. 70.. 80.. 90.. > command timed out: 1200 seconds without output, attempting to kill > process killed by signal 9 > program finished with exit code -1 > elapsedTime=3507.624426 > > The annotator should probably include that timeout text in the failing > step, so that sounds like a bug. > > Another issue is that tsan times out sometimes. >Also - how often are the timeouts actually indicative of regressions. Perhaps we could flag them as "exceptional" results, shown in purple (& possibly not emailing anyone except the buildbot owner) - rather than red failures somehow.> Should we be sending tsan build failures to upstream developers? How often > do they break tsan? I suspect that when LLVM breaks tsan, it also breaks > ASan, which isn't as flaky. It might be better to mail the tsan failures to > Dmitry or someone and not upstream LLVM devs. > > On Wed, May 13, 2015 at 9:59 AM, Diego Novillo <dnovillo at google.com> > wrote: > >> Alexey, I got mail from one of the tsan buildbots, claiming a breakage >> in tsan tests. But I cannot see anything on the logs it has for the >> build. >> >> >> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916/steps/run%2064-bit%20tsan%20unit%20tests/logs/stdio >> >> Any ideas? Thanks. Diego. >> >> >> ---------- Forwarded message ---------- >> From: <llvm.buildmaster at lab.llvm.org> >> Date: Wed, May 13, 2015 at 12:53 PM >> Subject: buildbot failure in LLVM on sanitizer-x86_64-linux >> To: Brendon Cahoon <bcahoon at codeaurora.org>, Diego Novillo >> <dnovillo at google.com>, Teresa Johnson <tejohnson at google.com>, Yaron >> Keren <yaron.keren at gmail.com> >> Cc: gkistanova at gmail.com >> >> >> The Buildbot has detected a new failure on builder >> sanitizer-x86_64-linux while building llvm. >> Full details are available at: >> http://lab.llvm.org:8011/builders/sanitizer-x86_64-linux/builds/17916 >> >> Buildbot URL: http://lab.llvm.org:8011/ >> >> Buildslave for this Build: sanitizer-buildbot1 >> >> Build Reason: scheduler >> Build Source Stamp: [branch trunk] 237261 >> Blamelist: bcahoon,dnovillo,tejohnson,yrnkrn >> >> BUILD FAILED: failed annotate failed run 64-bit tsan unit tests >> >> sincerely, >> -The Buildbot >> _______________________________________________ >> LLVM Developers mailing list >> LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu >> http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev >> > > > _______________________________________________ > LLVM Developers mailing list > LLVMdev at cs.uiuc.edu http://llvm.cs.uiuc.edu > http://lists.cs.uiuc.edu/mailman/listinfo/llvmdev > >-------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20150513/b9023ebc/attachment.html>
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