RE: [Xen-devel] Problems with HVM Save/Restore.

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

> -----Original Message-----
> From: xen-devel-bounces@xxxxxxxxxxxxxxxxxxx 
> [mailto:xen-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Ian Pratt
> Sent: 20 April 2007 15:31
> To: Petersson, Mats; xen-devel@xxxxxxxxxxxxxxxxxxx
> Cc: Tim Deegan; Woller, Thomas
> Subject: RE: [Xen-devel] Problems with HVM Save/Restore.
> 
> > I believe I can also reproduce the same problem with a 
> "simple guest"
> > (single executable file loaded instead of hvmloader that executes
> > disk-testing to a disk-image that is filled with a running 32-bit
> count
> > [writen back inverted). This guest also fails to properly operate
> after
> > some number of save/restore cycles, but I'm not 100% sure 
> if this is a
> > problem with the guest itself not handling aborted IDE operations in
> > some way - this is why I created the disk-io in Linux application
> above.
> 
> What happens if you build and use the PV Linux drivers for SLES9.3 ?

An initial attempt on this fails due to the xen-platform-pci.ko
requiring a "system_state" reference, which isn't exported by the kernel
version that my SLES9.3 is built from (2.6.5-7). 

I'll have a look to see if I can patch around this problem. 

--
Mats
> 
> Best,
> Ian
> 
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> 



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