[Pkg-xen-devel] Bug#649349: Bug#649349: xen-hypervisor-4.1-amd64: pygrub fails due to invalid opcode trapped

[Alexandre Vaissière]

Le 22/11/2011 14:55, Ian Campbell a écrit :
> On Tue, 2011-11-22 at 13:18 +0000, Ian Campbell wrote:
>> Looking at the eglibc source (2.13-21) x86_64/dl-trampoline.S:139 is:
>>         vmovdqa %ymm0, %fs:RTLD_SAVESPACE_SSE+0*YMM_SIZE 
> This appears to be an AVX instruction which none of my test systems
> appear to support which is probably why I cannot reproduce this.
>
> Which dom0 kernel are you running?
% uname -a
Linux glamdring 3.0.0-1-amd64 #1 SMP Sat Aug 27 16:21:11 UTC 2011 x86_64
GNU/Linux

> If you boot the same kernel natively what happens when you run pygrub?
> (this should work natively, although obviously you won't be able to
> actually start a VM).
Yes it does work: I see the grub interface.

> Can you please provide /proc/cpuinfo and the output of dmesg for both
> the native and Xen case and in the xen case the output of "xl dmesg".
See both files (report, report_xen) added to this mail.
> Lastly it might be worth trying xsave=0 on your hypervisor command line.
>
No better ;-( (see report_xen_xsave)

I noticed an kernel upgrade was just available (3.1.0-1). Still no luck
with it (report_xen-3.1.0-1)

Alexandre.
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