Re: [Xen-devel] xen unstable crashes ...

[Ryan Harper <ryanh@xxxxxxxxxx>]

* Gerd Knorr <kraxel@xxxxxxxxxxx> [2005-05-19 10:34]:
> ... when built with optimize=n debug=y
> 
> I get first a line like this one:
> 
>   (XEN) (file=extable.c, line=76) Pre-exception: ff105b48 -> 00000000
> 
> Then xen dies because of a page fault in IRQ context:
> 
>   [ ... ]
>   (XEN) CPU0 FATAL TRAP 14 (page fault), ERROR_CODE 0002, IN INTERRUPT 
> CONTEXT.
> 
> ff105b48 is _not_ the start address of some instruction, it's
> somewhere inbetween:
> 
>   ff105b45:       f0 0f ab 02             lock bts %eax,(%edx)
>   ff105b49:       19 c0                   sbb    %eax,%eax
> 
> Without "debug=y" xen boots just fine.  This is x86_32.

Same here on x86_32 SMP.

-- 
Ryan Harper
Software Engineer; Linux Technology Center
IBM Corp., Austin, Tx
(512) 838-9253   T/L: 678-9253
ryanh@xxxxxxxxxx

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