RE: [Xen-devel] Crash in hypercall_xlat_continuation with 64bit xen 3.1.1 when migrating a 32bit pv guest

[KURT.HACKEL@xxxxxxxxxx]

> > I'm seeing a crash in 64bit xen when doing live migration of a 32bit
> pv
> > guest under load.  The crash does not occur without the load, it
> > happens with both Red Hat/Oracle and Xensource kernels (el4u5 in this
> case),
> > and it takes about 3-5 migrations to trigger the bug.
> > Below you'll see that the 32bit guest ebx register, stored here in the
> > 64bit reg variable, is supposed to have the upper 32bits cleared, but
> > it has 0x00000080 in the upper 32bits.
> 
> Have you tried pulling through this patch?
> 
> http://xenbits.xensource.com/xen-unstable.hg?rev/46776e65e679
> 
> Ian

Awesome.  That resolved it.  A few dozen migrations with no problems yet.  
Thanks for the pointer Ian.

-kurt


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