Hi Dor,

On Wed, Sep 17, 2008 at 5:04 PM, Dor Laor <[EMAIL PROTECTED]> wrote:
> Daniel J Blueman wrote:
>>
>> When using Windows XP 32 installed with TCP/IP and microsoft client
>> networking, I can reproduce an intermittent BSOD [1] with kvmnet.sys
>> 1.0.0 and 1.2.0, by aborting a large data transfer in an application.
>>
>> Since this reproduces with 1.0.0 kvmnet.sys, it looks unrelated to the
>> locking changes that went into 1.2.0, but something relating to when
>> sockets are closed, flushed or data discarded.
>>
>> Perhaps the offset into the driver at 0xF761A5A9 - 0xF7618000 may tell
>> us what is needed to reproduce and hint at what area the fix is needed
>> in?
>>
>> Many thanks,
>>  Daniel
>>
>> --- [1]
>>
>> DRIVER_IRQL_NOT_LESS_OR_EQUAL
>>
>> *** STOP: 0x000000D1 (0x0000001C,0x00000002,0x00000000,0xF761A5A9)
>> ***   kvmnet.sys - Address F761A5A9 base at F7618000, DateStamp 47dd531c
>>
>
> Can you try http://people.qumranet.com/dor/Drivers-0-3107.iso this?

With the updated WinXP 32bit drivers here, I'm finding that the
application is experiences a socket disconnect/loss when upload
starts.

> Also please provide the specific way of producing load.

I'm using a software package from lecroy.com
[http://www.lecroy.com/tm/Library/Software/PSG/petracersummit.asp?menuid=8],
which connects to a device over the network and receives data at
~30Mbits/s with two concurrent streams.

> Along with it, please note kernel version, kvm version, qemu cmd line.

Host is Ubuntu 8.0.4.1 LTS w/ 2.6.24-19-generic kernel, x86-64.

Problem confirmed with KVM 74 "1:74+dfsg-0ubuntu2~ppa3h"; qemu version
"0.9.1-1ubuntu1".

Params are:

kvm -hda winxp-next.qcow2 -m 768 -soundhw '' -parallel none -serial
none -net nic,model=virtio -net user

Let me know if you need any more information.

Thanks,
  Daniel
-- 
Daniel J Blueman
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