Re: Problem after update windows VirtIO drivers

[Alon Levy <alevy@redhat.com>]

On 12/10/2013 04:24 AM, Vadim Rozenfeld wrote:
> 
> 
> ----- Original Message -----
> From: "Alon Levy" <alevy@redhat.com>
> To: "Carlos Rodrigues" <cmar@eurotux.com>, kvm@vger.kernel.org, "Vadim Rozenfeld" <vrozenfe@redhat.com>
> Sent: Tuesday, December 10, 2013 3:45:32 AM
> Subject: Re: Problem after update windows VirtIO drivers
> 
> On 12/09/2013 04:45 PM, Carlos Rodrigues wrote:
>> Hello,
>>
>> After update the VirtIO drivers for Windows Server 2008 R2 64-bit, when
>> i reboot virtual machine, the windows OS get stuck on loading bar.
>>
>> The VirtIO drivers is the latest stable that i made the download from
>> http://alt.fedoraproject.org/pub/alt/virtio-win/stable/virtio-win-0.1-74.iso
>>
>> And i use version 1.2.1 of kvm and the OS of host is Centos 5.8.
>>
>> I try to install a fresh and clean version same Windows and same drivers
>> and get the same problem. With virtio-win-0.1-52 version of drivers, the
>> windows server works properly.
>>
>> I will use the oldest stable version of drivers, but anyone knows some
>> issue with latest drivers?
>>
> [VR]
> Hi Carlos,
> Could you please post the QEMU command line as well as output
> from 'info pci'
> 
> I have an issue that also existed with 0.65, on windows 7 64 bit: when I
> have qxl enabled as well I get a crash shortly after initialization of
> qxl (at the login screen) in a memory management function of the qxl
> driver, indicating something overwrote parts of the allocators
> accounting structures. When I disable the virtio driver (leaving the
> virtio device) the problem goes away.
> 
> Vadim, is this a known problem? (sorry for hijacking the thread)
> 
> Does it crash into BSOD? Can you share the crash dump file?

Yes, the stacktrace is in qxl, like I mentioned (DrvMouseMove) but
that's not happening without the virtio driver being loaded.

http://people.freedesktop.org/~alon/qxl-0.10-18-debug-virtio-0.74.DMP

> 
> Best regards,
> Vadim.
> 
> 
>> Regards,
>>
>