On 8 June 2014 08:37, Michael S. Tsirkin <m...@redhat.com> 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