[llvm-dev] Fwd: buildbot failure in LLVM on llvm-mips-linux

David Blaikie via llvm-dev llvm-dev at lists.llvm.org
Fri Oct 2 11:03:07 PDT 2015

On Fri, Oct 2, 2015 at 1:42 AM, Daniel Sanders <Daniel.Sanders at imgtec.com>

> This builder is now green. The problem turned out to be that the symlink
> was actually pointing at the path the original board was using and the test
> wasn't re-creating it.


Hopefully we can figure out some way to make this sort of thing more
transparent/less spammy for the community of developers when an issue is
alerady known/triaged/owned by someone for investigation. (see Renato's
recent thread to llvm-dev about possibly improvements/ways to address some
of these buildbot use cases/situations)

> *From:* llvm-dev [mailto:llvm-dev-bounces at lists.llvm.org] *On Behalf Of *Daniel
> Sanders via llvm-dev
> *Sent:* 01 October 2015 21:21
> *To:* Brendan Kirby; David Blaikie; llvm-dev; Rick Kwan
> *Subject:* Re: [llvm-dev] Fwd: buildbot failure in LLVM on llvm-mips-linux
> The failure is a bit odd. LLVM is ignoring $PWD because it doesn't have
> the same inode as '.'. This causes the test failure because DW_AT_comp_dir
> and $PWD differ. However, $PWD and '.' should be the same inode since $PWD
> is a symlink to the current directory and stat() looks through symlinks.
> > Since this latest board only has two cores, it will run slower and it
> will need to have the -j6 changed to -j2.
> I'll make that change in the morning.
> ------------------------------
> *From:* Brendan Kirby
> *Sent:* 01 October 2015 20:31
> *To:* David Blaikie; llvm-dev; Rick Kwan; Daniel Sanders
> *Subject:* Re: Fwd: buildbot failure in LLVM on llvm-mips-linux
> David,
> Yes, we have people looking into this.  The board it was originally on has
> failed.  We moved it to a similar board, but that one has failed as well.
> Now we're on a third board that only has two cores and we're trying to get
> it working on that.  Since this latest board only has two cores, it will
> run slower and it will need to have the -j6 changed to -j2.
> Brendan
> On 10/01/2015 12:08 PM, David Blaikie wrote:
> This buildbot seems to have been failing continuously for a couple of
> weeks now ( http://lab.llvm.org:8011/builders/llvm-mips-linux/builds/14658
> ) - is anyone watching it/caring about it?
> ---------- Forwarded message ----------
> From: <llvm.buildmaster at lab.llvm.org>
> Date: Wed, Sep 30, 2015 at 11:34 PM
> Subject: buildbot failure in LLVM on llvm-mips-linux
> To: Ahmed Bougacha <ahmed.bougacha at gmail.com>, Chad Rosier <
> mcrosier at codeaurora.org>, David Blaikie <dblaikie at gmail.com>, Davide
> Italiano <davide at freebsd.org>, Dehao Chen <dehao at google.com>, Evgeniy
> Stepanov <eugeni.stepanov at gmail.com>, Hal Finkel <hfinkel at anl.gov>,
> Kostya Serebryany <kcc at google.com>, Michael Zolotukhin <
> mzolotukhin at apple.com>, Reid Kleckner <rnk at google.com>, Sanjay Patel <
> spatel at rotateright.com>
> Cc: gkistanova at gmail.com
> The Buildbot has detected a new failure on builder llvm-mips-linux while
> building llvm.
> Full details are available at:
>  http://lab.llvm.org:8011/builders/llvm-mips-linux/builds/14754
> Buildbot URL: http://lab.llvm.org:8011/
> Buildslave for this Build: mipsswbrd002
> Build Reason: scheduler
> Build Source Stamp: [branch trunk] 248976
> Blamelist:
> ab,davide,dblaikie,dehao,eugenis,hfinkel,kcc,mcrosier,mzolotukhin,rnk,spatel
> BUILD FAILED: failed test-llvm
> sincerely,
>  -The Buildbot
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