Re: [Patch 0/7] RealMode: Support for big real mode

[Anthony Liguori <aliguori@us.ibm.com>]

Avi Kivity wrote:
> Anthony Liguori wrote:
>> Avi Kivity wrote:
>>> Guillaume Thouvenin wrote:
>>>> Hello,
>>>>   Those patches allow to boot OpenSuse-10.3. The problem with
>>>> Opensuse 10.3 is it uses a version of gfxboot that reads SS after
>>>> switching from real to protected mode, where SS contains an invalid
>>>> value, which VMX does not allow.
>>>>   
>>>
>>> Thanks, applied all. I dropped vcpu_sregs_table after all, in favor 
>>> of 1:1 mapping of VCPU_SREG_* to the opcode encoding (similar to the 
>>> general purpose registers).
>>
>> There still seems to be an issue with this series.  When running:
>>
>> sudo qemu-system-x86_64 -hda ./10gig.img -snapshot -cdrom 
>> isos/ubuntu-7.10-server-amd64.iso -boot dc
>>
>> Occassionally, I'll get:
>>
>> kvm_run: failed entry, reason 5
>> kvm_run returned -8
>
> Occasionally, on boot, or after booting has completed?

I'm pretty sure that it's limited to the functionality added by this code.

> This isn't a regression if it's on boot only.

No, I don't think it's a regression.

Regards,

Anthony Liguori