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xen-devel
RE: [Xen-devel] xm save + restore crashes Windows 2008 32-bit (4.0.2-rc2
>
> At 04:20 +0000 on 25 Jan (1295929205), James Harper wrote:
> > Under the latest xen-4.0-testing, xm save + xm restore of Windows
2008
> > causes a BSoD on restore. This is without any PV drivers loaded. I
> > haven't tested any other versions of windows.
> >
> > According to the debugger when I did have PV drivers loaded, the
crash
> > happens on the return to userspace. I haven't looked at the debugger
> > with no PV drivers loaded.
> >
> > The bug check is 0x7F (0xD, 0, 0, 0) which is an unspecified
exception.
> >
> > Is anyone else able to reproduce?
>
> I saw a failure like this last month but when I came to look at it
again
> it seemed to be working. Are you testing on Intel or AMD hardware?
>
AMD (cpuinfo below). I've just spent the last few hours updating my
Intel box to test on that too. Save/resume was working but was only
3.4.1 so isn't really a comparison.
Both are now same xen, tools, and kernel.
I should know if the problem exists on intel very soon. I'm guessing not
or I wouldn't be the first one posting about it... either that or there
is something else going on.
James
(cpuinfo from in Dom0)
processor : 0
vendor_id : AuthenticAMD
cpu family : 15
model : 67
model name : Dual-Core AMD Opteron(tm) Processor 1210
stepping : 3
cpu MHz : 1799.999
cache size : 1024 KB
fpu : yes
fpu_exception : yes
cpuid level : 1
wp : yes
flags : fpu de tsc msr pae mce cx8 apic mtrr mca cmov pat
clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt lm 3dnowext
3dnow up rep_good extd_apicid pni cx16 hypervisor lahf_lm cmp_legacy
extapic cr8_legacy
bogomips : 3599.99
TLB size : 1024 4K pages
clflush size : 64
cache_alignment : 64
address sizes : 40 bits physical, 48 bits virtual
power management: ts fid vid ttp tm stc
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