[llvm-dev] Fwd: buildbot failure in LLVM on clang-ppc64-elf-linux2
Philip Reames via llvm-dev
llvm-dev at lists.llvm.org
Tue Sep 29 14:57:35 PDT 2015
On 09/29/2015 01:38 PM, Bill Schmidt via llvm-dev wrote:
> On Tue, 2015-09-29 at 13:28 -0700, David Blaikie wrote:
>>
>> On Tue, Sep 29, 2015 at 1:13 PM, Bill Schmidt
>> <wschmidt at linux.vnet.ibm.com> wrote:
>> On Tue, 2015-09-29 at 14:29 -0500, Hal Finkel wrote:
>> > [+Bill and Bill]
>> >
>> > ----- Original Message -----
>> > > From: "David Blaikie via llvm-dev"
>> <llvm-dev at lists.llvm.org>
>> > > To: "llvm-dev" <llvm-dev at lists.llvm.org>
>> > > Sent: Tuesday, September 29, 2015 12:39:02 PM
>> > > Subject: [llvm-dev] Fwd: buildbot failure in LLVM on
>> clang-ppc64-elf-linux2
>> > >
>> > >
>> > >
>> > > This buildbot appears to have been failing for several
>> weeks now (
>> > >
>> http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/19490
>> > > ). Does anyone know/own/care about it?
>>
>> Answer: yes.
>>
>> We've had it under investigation since the problem started
>> happening.
>> It was difficult to track it down. Eventually we traced it
>> back to the
>> shrink-wrap enablement, and the developer provided a fix. The
>> fix has
>> proven to be insufficient; it fixed a problem with a gcc-built
>> Clang,
>> but we still have a problem with a self-hosted Clang. The
>> developer is
>> currently verifying that disabling shrink-wrap on a
>> self-hosting build
>> will resolve the problem. If so, the change to enable
>> shrink-wrap for
>> PowerPC will be reverted at once. If not, I believe we will
>> have to
>> XFAIL the test to let the bot start working again until we can
>> figure
>> out another cause.
>>
>>
>> Thanks for the update!
>>
>> So, people have been working on this, but it is Not Good that
>> the bot
>> has been disabled for this long,
>>
>>
>> It's more than that the bot has been disabled - were it just disabled,
>> I wouldn't have seen it, nor written that email. The bot has been red
>> and prone to (though not always - as Renato's pointed out, a red bot
>> that remains red may not send email, but purple (exception)->red (even
>> if it were red before the exceptional result) does send email) send
>> email on some of its failures, which adds noise to the system and
>> makes it hard for developers to trust/act on buildbot results.
>>
>> and we will try to make sure this
>> doesn't happen again. The problem has been figuring out
>> exactly what to
>> revert, which has been more difficult than usual this time.
>>
>> Is there any reason the test couldn't've been XFAIL'd from the start,
>> while investigation continued?
> None. We'll educate folks on this and attempt to ensure we do better
> next time.
Do we have a best practices page on this topic? This seems like
something which would be good to document.
>
> Bill
>> - Dave
>>
>>
>> Thanks,
>> Bill
>>
>> > >
>> > >
>> > > ---------- Forwarded message ----------
>> > > From: < llvm.buildmaster at lab.llvm.org >
>> > > Date: Mon, Sep 28, 2015 at 11:17 PM
>> > > Subject: buildbot failure in LLVM on
>> clang-ppc64-elf-linux2
>> > > To: Aaron Ballman < aaron at aaronballman.com >, Adrian
>> Prantl <
>> > > aprantl at apple.com >, Andrew Kaylor <
>> andrew.kaylor at intel.com >,
>> > > Artem Belevich < tra at google.com >, Artur Pilipenko <
>> > > apilipenko at azulsystems.com >, Dan Gohman <
>> dan433584 at gmail.com >,
>> > > Daniel Jasper < djasper at google.com >, Daniel Sanders <
>> > > daniel.sanders at imgtec.com >, David Blaikie <
>> dblaikie at gmail.com >,
>> > > Evgeniy Stepanov < eugeni.stepanov at gmail.com >, Fiona
>> Glaser <
>> > > escha at apple.com >, Guillaume Papin <
>> guillaume.papin at epitech.eu >,
>> > > Matt Arsenault < Matthew.Arsenault at amd.com >, Matthias
>> Braun <
>> > > matze at braunis.de >, Philip Reames <
>> listmail at philipreames.com >,
>> > > Piotr Padlewski < prazek at google.com >, Reid Kleckner <
>> > > rnk at google.com >, Richard Trieu < rtrieu at google.com >,
>> Sanjay Patel
>> > > < spatel at rotateright.com >, Sanjoy Das <
>> > > sanjoy at playingwithpointers.com >, Sean Silva <
>> chisophugis at gmail.com
>> > > >, Weiming Zhao < weimingz at codeaurora.org >
>> > > Cc: gkistanova at gmail.com
>> > >
>> > >
>> > > The Buildbot has detected a new failure on builder
>> > > clang-ppc64-elf-linux2 while building cfe.
>> > > Full details are available at:
>> > >
>> http://lab.llvm.org:8011/builders/clang-ppc64-elf-linux2/builds/19559
>> > >
>> > > Buildbot URL: http://lab.llvm.org:8011/
>> > >
>> > > Buildslave for this Build: chinook-clangslave2
>> > >
>> > > Build Reason: scheduler
>> > > Build Source Stamp: [branch trunk] 248769
>> > > Blamelist:
>> > >
>> aaronballman,adrian,akaylor,apilipenko,arsenm,dblaikie,djasper,djg,dsanders,escha,eugenis,matze,papin_g,prazek,reames,rnk,rtrieu,sanjoy,silvas,spatel,tra,weimingz
>> > >
>> > > BUILD FAILED: failed check-all_1
>> > >
>> > > sincerely,
>> > > -The Buildbot
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > _______________________________________________
>> > > LLVM Developers mailing list
>> > > llvm-dev at lists.llvm.org
>> > > http://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-dev
>> > >
>> >
>>
>>
>>
>>
>>
>
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