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

["Ian Pratt" <Ian.Pratt@xxxxxxxxxxxxx>]

> 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


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