There are some `log.msg(` calls in the code already, those would show up on
the master's side. I don't know whether they're being saved or not. Galina
do you know about that?

On Fri, 9 Aug 2024 at 18:13, David Blaikie <dblai...@gmail.com> wrote:

> Fair - any chance we can put some logging/more verbose output into the
> buildbot config so we might know more about how this happens next time?
>
> On Fri, Aug 9, 2024 at 1:31 AM David Spickett <david.spick...@linaro.org>
> wrote:
>
>> > The other 1 commit build is
>> https://lab.llvm.org/buildbot/#/builders/4/builds/940, I will ask the
>> author if they received anything. Though even if they did I'm not sure what
>> we could conclude from that.
>>
>> They did not receive any notifications. And I'm out of ideas at this
>> point, maybe someone else can spot something. There is
>> https://github.com/llvm/llvm-zorg/issues/219 which is along the same
>> lines but no solid evidence that it's the same cause.
>>
>> David thanks for reporting this, even if we don't manage to figure it out
>> it's still better to know about these than not.
>>
>> On Thu, 8 Aug 2024 at 16:36, David Spickett <david.spick...@linaro.org>
>> wrote:
>>
>>> I've looked at the build status reporter, which I think is
>>> https://github.com/llvm/llvm-zorg/blob/ec94a29bfb0c247f0123c4efaf080a9b215d4433/zorg/buildbot/reporters/utils.py#L206.
>>> I don't see anything wrong with that, and nothing that it removed from
>>> Buildbot's version of that function looks like it would cause this problem.
>>>
>>> If the previous result was somehow still the last green build, this
>>> could happen. However I don't see how that could be the case as there is a
>>> finished build on the same worker prior to this one. So even if every other
>>> worker was still busy, there's at least one previously failed result. My
>>> guess from the Buildbot code is that prev_build["result"] will be None if
>>> the build has not finished, so even in this case it would return False and
>>> not send a message (though I suspect in progress builds aren't part of
>>> these checks or perhaps it waits for the previous one to finish, not sure).
>>>
>>> I do see that the build prior to yours finished later, and some of the
>>> builds immediately after the green build have some unusual timings where
>>> earlier builds finish after later builds. This is expected with the 3
>>> workers we have, but perhaps could have affected when the results get
>>> written to the database? Perhaps every build between the last green and
>>> yours was notified and either no one said anything, or only builds with 1
>>> commit were notified and didn't say anything.
>>>
>>> The other 1 commit build is
>>> https://lab.llvm.org/buildbot/#/builders/4/builds/940, I will ask the
>>> author if they received anything. Though even if they did I'm not sure what
>>> we could conclude from that.
>>>
>>> On Wed, 7 Aug 2024 at 02:12, David Blaikie <dblai...@gmail.com> wrote:
>>>
>>>> Any update on this?
>>>>
>>>> On Fri, Jul 26, 2024 at 1:28 AM David Spickett <
>>>> david.spick...@linaro.org> wrote:
>>>>
>>>>> I don't see any special configuration for this builder that would make
>>>>> it do this.
>>>>> (
>>>>> https://github.com/llvm/llvm-zorg/blob/9496234c3e76d33aaae3988903c641fd406e1098/buildbot/osuosl/master/config/builders.py#L527
>>>>> )
>>>>>
>>>>> It's unlikely that this build finished before previous jobs because it
>>>>> only takes an hour and we have several builds in the hours before it. I
>>>>> thought it may also be the first build on that worker that failed, but 
>>>>> this
>>>>> is also not the case (and if it were, this would be a buildbot bug since
>>>>> it's supposed to look at the builder as a whole, not specific workers).
>>>>>
>>>>> It is a single commit blame list, and I know we started posting
>>>>> results to GitHub in these cases. Presumably those have to also be green 
>>>>> ->
>>>>> red transitions, but perhaps something slipped through here and
>>>>> because there was no PR to associate this change with, it sent an email
>>>>> instead?
>>>>>
>>>>> Thanks,
>>>>> David Spickett.
>>>>>
>>>>> On Fri, 26 Jul 2024 at 03:03, David Blaikie <dblai...@gmail.com>
>>>>> wrote:
>>>>>
>>>>>> ---------- Forwarded message ---------
>>>>>> From: David Blaikie <dblai...@gmail.com>
>>>>>> Date: Thu, Jul 25, 2024 at 6:43 PM
>>>>>> Subject: Re: ☠ Buildbot (LLVM Buildbot): clang-aarch64-sve-vls-2stage
>>>>>> -
>>>>>> failed test (failure) (main)
>>>>>> To: <llvm.buildmas...@lab.llvm.org>
>>>>>> Cc: <llvm.buildmas...@lab.llvm.org>
>>>>>>
>>>>>>
>>>>>> This bot seems to be sending fail-mail when it's already red. My
>>>>>> understanding was that fail mail only went out on green->red
>>>>>> transitions.
>>>>>> Is that understanding incorrect? Should this be reconfigured to match
>>>>>> that
>>>>>> understanding/not send fail mail when it's already red?
>>>>>>
>>>>>> On Thu, Jul 25, 2024 at 4:10 PM <llvm.buildmas...@lab.llvm.org>
>>>>>> wrote:
>>>>>>
>>>>>> > The Buildbot has detected a failed build on builder
>>>>>> > clang-aarch64-sve-vls-2stage while building clang.
>>>>>> >
>>>>>> > Full details are available at:
>>>>>> >     https://lab.llvm.org/buildbot/#/builders/4/builds/943
>>>>>> >
>>>>>> > Worker for this Build: linaro-g3-02
>>>>>> > Blamelist:
>>>>>> >     David Blaikie <dblai...@gmail.com>
>>>>>> >
>>>>>> > BUILD FAILED: failed test (failure)
>>>>>> >
>>>>>> > Step 18 (test-suite) failure: test (failure)
>>>>>> > ...
>>>>>> > [ 24%] Built target
>>>>>> > gfortran-regression-execute-regression__internal_readwrite_1_f90
>>>>>> > cd
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Fortran/gfortran/regression
>>>>>> > &&
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage2.install/bin/llvm-size
>>>>>> > --format=sysv
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Fortran/gfortran/regression/gfortran-regression-execute-regression__internal_readwrite_4_f90
>>>>>> > >
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Fortran/gfortran/regression/gfortran-regression-execute-regression__internal_readwrite_4_f90.size
>>>>>> > make[2]: Leaving directory
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build'
>>>>>> > [ 24%] Built target
>>>>>> > gfortran-regression-execute-regression__internal_readwrite_4_f90
>>>>>> > make[1]: Leaving directory
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build'
>>>>>> > make: *** [Makefile:136: all] Error 2
>>>>>> > 2024-07-25 23:09:27 INFO: Testing...
>>>>>> > 2024-07-25 23:09:27 INFO: Execute:
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/stage1/bin/llvm-lit
>>>>>> > -v -j 32
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build
>>>>>> > -o
>>>>>> >
>>>>>> /home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/outputqee5waec.json
>>>>>> > -- Testing: 9770 tests, 32 workers --
>>>>>> > NOEXE: test-suite ::
>>>>>> Bitcode/simd_ops/simd_ops_test_op_abs_1026.test (1 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_1026.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_1026'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite ::
>>>>>> Bitcode/simd_ops/simd_ops_test_op_abs_1028.test (2 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_1028.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_1028'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_367.test
>>>>>> (3 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_367.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_367'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_40.test
>>>>>> (4 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_40.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_40'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_366.test
>>>>>> (5 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_366.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_366'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite ::
>>>>>> Bitcode/simd_ops/simd_ops_test_op_add_1030.test (6 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_add_1030.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_add_1030'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_699.test
>>>>>> (7 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_699.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_699'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_368.test
>>>>>> (8 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_368.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_368'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite ::
>>>>>> Bitcode/simd_ops/simd_ops_test_op_add_1031.test (9 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_add_1031.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_add_1031'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> > NOEXE: test-suite :: Bitcode/simd_ops/simd_ops_test_op_abs_39.test
>>>>>> (10 of
>>>>>> > 9770)
>>>>>> > ******************** TEST 'test-suite ::
>>>>>> > Bitcode/simd_ops/simd_ops_test_op_abs_39.test' FAILED
>>>>>> ********************
>>>>>> > Executable
>>>>>> >
>>>>>> '/home/tcwg-buildbot/worker/clang-aarch64-sve-vls-2stage/test/sandbox/build/Bitcode/simd_ops/simd_ops_test_op_abs_39'
>>>>>> > is missing
>>>>>> > ********************
>>>>>> >
>>>>>> > Sincerely,
>>>>>> > LLVM Buildbot
>>>>>> >
>>>>>> >
>>>>>> _______________________________________________
>>>>>> linaro-toolchain mailing list -- linaro-toolchain@lists.linaro.org
>>>>>> To unsubscribe send an email to
>>>>>> linaro-toolchain-le...@lists.linaro.org
>>>>>>
>>>>>
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