[Spice-devel] cut/paste failure on Windows 7 guest

[Han Pilmeyer]

On 10/01/2013 15:53, Erik Lotspeich wrote:
> Hi,
>
> Just as a datapoint, I've seen a similar crash in guest-tools-0.2 on my
> Windows 8 VM. I switched back to IDE from VIO disk and the crashing stopped.
>
> Regards
>
> Erik
>
> On 01/10/2013 04:44 AM, Han Pilmeyer wrote:
>>
>> It appears that I spoke too soon, i.e. the cut/paste problem is indeed
>> fixed and I am still happy about that. Unfortunately the guest-tools-0.3
>> drivers seem to have introduced a new problem that is even worse than
>> what I experienced before, they crash the Windows 7 guest images. I have
>> had multiple crashes so far and these happen when I am not specifically
>> doing anything in the guest (I try to avoid saying they are idle, as I
>> never quite know what Windows is doing behind the scenes). I estimate
>> that they crash after half an hour or so.
>>
>> The offending driver appears to be vioser.sys as shown by the very
>> limited information (a screenshot of the BSOD) I managed to capture:
>>
>> *** STOP: 0x0000008E (0xC0000005, 0x8B98C037, 0x8A40BACC, 0x00000000)
>>
>> ***        vioser.sys - Address 8B98C037 base at 8B988000, Datestamp
>> 50b73b6d
>>
>> Please let me know if there is anything I can do to help.
>>
>
Erik,

That may be a viable, although undesirable, workaround for disk IO, but 
in my case the BSOD's appear to be caused by vioser.sys, i.e. the serial 
driver. I believe this driver is used for communication between the host 
and guest and an important part to make cut/paste work. There really is 
no alternative.

My motivation for writing about this here is not so much to get a 
workaround (although that would be very nice), but rather to make a 
minuscule contribution to improving the project. So again, if there is 
anything I can do to help debug this, please do not hesitate to ask.


Cheers,
Han
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