[SeaBIOS] IO APIC emulation failure with qemu-kvm
Avi Kivity
avi at redhat.com
Mon Feb 7 14:17:02 CET 2011
On 02/07/2011 12:28 PM, Ravi Kumar Kulkarni wrote:
> On Mon, Feb 7, 2011 at 3:24 PM, Avi Kivity<avi at redhat.com> wrote:
> > On 02/07/2011 11:47 AM, Ravi Kumar Kulkarni wrote:
> >>
> >> >
> >> > That is not the same address. And the code you posted doesn't make any
> >> > sense.
> >> >
> >> sorry for the mistake. here's the correct one
> >>
> >>
> >> (qemu) xp /20iw 0x1e2f3f7b
> >> 0x000000001e2f3f7b: (bad)
> >> 0x000000001e2f3f7c: std
> >> 0x000000001e2f3f7d: (bad)
> >> 0x000000001e2f3f7e: (bad)
> >
> > That looks like garbage. Are you sure you're disassembling the right code?
> >
> ok . Just to be clear i ran the command qemu-kvm once and i found
> got the crash report below which i have attached and in that eip is at
> 0x1e2f3f77
> and then
>
> (qemu) xp /20iw 0x1e2f3f77
> 0x000000001e2f3f77: pop %ds
> 0x000000001e2f3f78: inc %edx
> 0x000000001e2f3f79: loope 0x1e2f3fc8
> 0x000000001e2f3f7b: pop %ds
> 0x000000001e2f3f7c: jnp 0x1e2f3f5e
> 0x000000001e2f3f7e: dec %ebp
> 0x000000001e2f3f7f: pop %ds
> 0x000000001e2f3f80: xchg %eax,%esp
> 0x000000001e2f3f81: aas
> 0x000000001e2f3f82: das
This still doesn't look like real code. The problem was likely much
earlier and caused a branch into a data section.
Someone with a good understanding of your OS needs to examine the trace
and see what went wrong.
--
error compiling committee.c: too many arguments to function
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