Re: [PULL 00/34] tcg patch queue

[Philippe Mathieu-Daudé]

On 6/14/21 11:35 AM, Alex Bennée wrote:
> Richard Henderson <richard.henderson@linaro.org> writes:
>> On 6/13/21 10:10 AM, Peter Maydell wrote:
>>> Also on x86-64 host, this failure in check-tcg:
>>> make[2]: Leaving directory
>>> '/home/petmay01/linaro/qemu-for-merges/build/all-linux-static/tests/tcg/hppa-linux-user'
>>> make[2]: Entering directory
>>> '/home/petmay01/linaro/qemu-for-merges/build/all-linux-static/tests/tcg/hppa-linux-user'
>>> timeout --foreground 60
>>> /home/petmay01/linaro/qemu-for-merges/build/all-linux-static/qemu-hppa
>>>   signals >  signals.out
>>> timeout: the monitored command dumped core
>>> Illegal instruction
>>> ../Makefile.target:156: recipe for target 'run-signals' failed
>>> make[2]: *** [run-signals] Error 132
>>> make[2]: Leaving directory
>>> '/home/petmay01/linaro/qemu-for-merges/build/all-linux-static/tests/tcg/hppa-linux-user'
>>> /home/petmay01/linaro/qemu-for-merges/tests/tcg/Makefile.qemu:102:
>>> recipe for target 'run-guest-tests' failed
>>> but I think this is a pre-existing intermittent.
>>
>> Interesting.  I've never seen this one before.
>> Do you recall if this is only intermittent with -static?
> 
> It's about a 1% failure rate for static builds only - I have yet to
> catch and keep a core dump.

The s390x Tracis-CI runners crash from time to time:
https://travis-ci.org/github/qemu/qemu/jobs/774523480

Maybe you could try to run the signals test in loop there
until getting a coredump?