Re: [Qemu-devel] master: intermittent acpi-test failures

[Peter Maydell]

On 8 June 2014 08:37, Michael S. Tsirkin <address@hidden> wrote:
> On Tue, May 27, 2014 at 10:38:17PM +0100, Peter Maydell wrote:
>> I'm seeing this test failure intermittently on 'make check':
>>
>> ERROR:/root/qemu/tests/acpi-test.c:618:test_acpi_one: assertion failed
>> (signature == SIGNATURE): (0x00000000 == 0x0000dead)
>> GTester: last random seed: R02S8d0d60963e4442ce284a81d20ce32053
>>
>> (32 bit ARM host, in case that makes a difference.)
>>
>> Any ideas? It looks from the test as if this may just be
>> that the test is coded to assume a faster machine, which
>> is a bit unfortunate.

> We have a timeout of 1 minute there.
> Since all VM has to do is run BIOS initialization
> and then write out the signature, this seems ample.

See my earlier email -- when the test completes it does
so within 8 or 9 loops (where the max is set at 600);
so I don't think raising the timeout will help -- something
has got stuck.

> If it does we can do this, though I suspect this is merely
> a work-around, there's probably something that
> causes QEMU to pause execution during early BIOS boot.
> Could you try strace to see what it is?

I'll give this a try.

thanks
-- PMM