On Thu, Jul 31, 2014 at 12:12:26PM -0700, Zetan Drableg wrote:
> Hi Richard thanks for the info.
> I took the strace approach and ran into this looping over and over again.
> Is it failing to get time?
>
> timer_gettime(0x8, {it_interval={0, 0}, it_value={0, 0}}) = 0
> timer_settime(0x8, 0, {it_interval={0, 0}, it_value={0, 250000}}, NULL) = 0
> timer_gettime(0x8, {it_interval={0, 0}, it_value={0, 204443}}) = 0
> select(16, [0 6 9 13 15], [], [], {1, 0}) = 2 (in [6 13], left {0, 999998})
> read(13, "\1\0\0\0\0\0\0\0", 4096) = 8
> read(13, 0x7fffa2ed3f70, 4096) = -1 EAGAIN (Resource
> temporarily unavailable)
> read(6, "\0", 512) = 1
> read(6, 0x7fffa2ed4d70, 512) = -1 EAGAIN (Resource
> temporarily unavailable)
> select(16, [0 6 9 13 15], [], [], {1, 0}) = 1 (in [15], left {0, 999998})
> read(15, "\16\0\0\0\0\0\0\0\376\377\377\377\0\0\0\0\0\0\0\0\0\0\0\0\10\0\0\0\0\0\0\0"...,
> 128) = 128
> rt_sigaction(SIGALRM, NULL, {0x7f6d8b8d17d0, ~[KILL STOP RTMIN RT_1],
> SA_RESTORER, 0x7f6d8b211710}, 8) = 0
> write(7, "\0", 1) = 1
> write(14, "\1\0\0\0\0\0\0\0", 8) = 8
> read(15, 0x7fffa2ed4ee0, 128) = -1 EAGAIN (Resource
> temporarily unavailable)
> timer_gettime(0x8, {it_interval={0, 0}, it_value={0, 0}}) = 0
> timer_settime(0x8, 0, {it_interval={0, 0}, it_value={0, 988758000}}, NULL) = 0
> select(16, [0 6 9 13 15], [], [], {1, 0}) = 2 (in [6 13], left {0, 999998})
> read(13, "\1\0\0\0\0\0\0\0", 4096) = 8
> read(13, 0x7fffa2ed3f70, 4096) = -1 EAGAIN (Resource
> temporarily unavailable)
> read(6, "\0", 512) = 1
> read(6, 0x7fffa2ed4d70, 512) = -1 EAGAIN (Resource
> temporarily unavailable)
>
> It looks a lot like the bug you filed here.
> https://bugzilla.redhat.com/show_bug.cgi?id=553689
I'm fairly sure this is just qemu running as normal. It's not a
duplicate of that ancient bug, because you can see from the messages
that SeaBIOS is running.
You need to `gdb' into the guest to see where the emulation got to.
Rich.
--
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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