Avi Kivity wrote:
> Andrew Morton wrote:
>> On Tue, 28 Nov 2006 19:24:45 -0500
>> Thomas Tuttle <thinkinginbinary@gmail.com> wrote:
>>
>>  
>>> I've found a couple of bugs so far...
>>>
>>> 1. I did `modprobe kvm' and then tried running a version of the KVM 
>>> Qemu
>>> compiled for a different kernel.  My mistake.  But I got an oops:
>>>
>>> BUG: unable to handle kernel NULL pointer dereference at virtual 
>>> address 00000008
>>> Code: 14 0f 87 77 02 00 00 8b 0c b5 00 15 20 f9 85 c9 0f 84 68 02 00 
>>> 00 89 ea 89 f8 ff d1 85 c0 0f 84 4c 02 00 00 89 f8 e8 31 e9 ff ff 
>>> <65> a1 08 00 00 00 8b 40 04 8b 40 08 a8 04 0f 85 ae 02 00 00 e8 
>>> EIP: [<f91f9c3f>] kvm_vmx_return+0xef/0x4d0 [kvm] SS:ESP 0068:e5a4fd54
>>>
>>>     
>
> 65 a1 08 00 00 00       mov    %gs:0x8,%eax
>
> kvm isn't restoring gs properly.
>
> I'll look into it.

This comes from the pda patches.

Does the attached patch fix it?


-- 
error compiling committee.c: too many arguments to function