[Fedora-xen] kvm crash on f8

[John Summerfield]

Daniel P. Berrange wrote:
> On Thu, Dec 27, 2007 at 05:39:22PM +0200, Avi Kivity wrote:
>> John Summerfield wrote:
>>>>> I think this is:
>>>>> http://debian.merseine.nu/bsod0.png
>>>>>
>>>> This is a corrupted disk, or perhaps the IDE driver is not installed
>>>> correctly.
>>> the disk is fine, I can boot it natively. The hardware emulation in 
>>> qemu is very old (circa Pentium Pro CPUs). It's possible (probable, do 
>>> I remember LBA supports 120 Gbytes? wasn't there an earlier max of 32 
>>> Gbytes?) the disk (320 Gbytes) is larger than the emulation supports.
>>>
>>> It's also possible that Windows is picking up garbage device geometry.
>>>
>> Ah, I haven't tried very large disks.  I'll check it out.
> 
> Funnily enough, a change was just commited to the Xen's copy of the QEMU
> ROMBIOS to support disks > 128 GB which I suspect would also apply to
> upstream QEMU / KVM's rombios
> 
>   changeset:   16669:7fbc521b07a9
>   tag:         tip
>   user:        Keir Fraser <keir.fraser at citrix.com>
>   date:        Thu Dec 27 13:00:40 2007 +0000
>   files:       tools/firmware/rombios/rombios.c
>   description:
>   x86, hvm, rombios: INT13 LBA48 support for disks bigger than 128GB.
>   The new limit should be 2TB.
>   
>   Signed-off-by: Samuel Thibault <samuel.thibault at citrix.com>
> 
> 
> http://xenbits.xensource.com/staging/xen-unstable.hg?rev/7fbc521b07a9
> 
> Regards,
> Dan.

Thanks, Dan, that's encouraging. When is (and is) this likely to filter 
through to those of us who prefer to not patch their own software?





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Cheers
John

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