Re: 32bit binaries on x86_64/Xen segfaults in syscall-vdso

From: Jeremy Fitzhardinge
Date: Thu Sep 03 2009 - 18:06:45 EST

On 09/03/09 15:02, Bastian Blank wrote:
> AFAIK only AMD support the syscall instruction, so yes it is an AMD
> machine. And yes, disabling the only thing that make the glibc call this
> instruction works around it.

The bug actually appears to be in xen_sysret32, ie the crash happens on
the way out of the kernel.

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