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xen-devel
RE: [Xen-devel] Re: Reproducable data corruption on xen-unstable
> And whether savage or vesa X server is used, or whether
> NoAccel is on or
> off, it still occurs. (However, the konsole window should be
> quite tall or
> it may not occur - mine is 800 pixels [44 lines] high.)
If it occurred just under the 'vesa' X server I'd be very suspicious
that we had an FP save/restore bug in the vm86 support code. I'm not
sure whether the savage server uses vm86 or not. Probably not.
I'd certainly be very interested to hear if anyone else running the vesa
X server can reproduce the problem using the fptest/paranoia program.
(vm86 is not widely used, so I can belive we could have lurking bugs on
that path).
> Could this possibly be related to the other bug I found, the
> "APIC error
> on CPU0"? That interrupt handler may be still operating, for
> all I know -
> my patch doesn't _disable_ it, it just shuts it up.
Xen certainly doesn't sound too happy on your machine....
Ian
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