On 06-Feb-01 Andrea Campi wrote:
>> Problem: I can't do anything at db> prompt? Backtrace is doing nothing
>> except
>> triggering a new register dump (another fault I assume).
>
> New kernel, new panic, new info:
>
> db> witness_list
> "Giant" (0xc0279be0) locked at ../../i386/isa/ithread.c:191
> db> show registers
> cs 0x8
> ds 0x10
> es 0x10
> fs 0x18
> ss 0x10
> eax 0xdeadc0de
> ecx 0xc59eb4b4
> edx 0xc0279be0 Giant
> ebx 0xc0a7a480 _end+0x36f8
> esp 0xc65faf68
> ebp 0xc65faf78
> esi 0xc0a7a4e0 _end+0x3758
> edi 0xc01fc998 ithd_loop
> eax 0xdeadc0de
> efl 0x10282
>
> Besides the obvious need to fix this one problem, shouldn't we
> ASSERT ih->ih_handler != NULL before calling it?
It isn't null in this case, it is 0xdeadc0de. Can you try a pre-preemption
kernel and see if that fixes it?
> Bye,
> Andrea
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