Re: [Qemu-devel] intermittent make check failure: "tcg_handle_interrupt: assertion failed: (qemu_mutex_iothread_locked())"

[Mark Cave-Ayland]

On 28/02/17 21:28, Thomas Huth wrote:

>> Maybe worth mentioning that the prom-env test for sparc64 has just been
>> enabled a couple of commits ago (6b591ad613010f13). There was an issue
>> with that test for the sparc64 target last year, but IIRC it only
>> affected 32-bit hosts and has been fixed, so I think/hope this is a
>> different issue now...
> 
> OK, I think this is definitively not related to the prom-env test, but
> to MTTCG (or something else in TCG): I can reproduce this problem
> reliably when I run QEMU in s390 mode with the Moon Buggy disk image
> from the QEMU advent calendar
> (http://www.qemu-advent-calendar.org/2014/download/s390-moon-buggy.tar.xz):
> 
> qemu-system-s390x -nographic -kernel s390-bb.kernel \
>                   -initrd s390-moon-buggy.initrd
> 
> ... starts the kernel, but aborts very soon with:
> 
> ERROR:qemu/translate-common.c:34:tcg_handle_interrupt: assertion failed:
> (qemu_mutex_iothread_locked())
> Aborted (core dumped)

FWIW I've spent some time running the "make check" regression tests
locally this evening and I can't seem to reproduce the failure here on
my normal qemu-system-ppc/qemu-system-sparc/qemu-system-sparc64 setup.


ATB,

Mark.