Re: [Qemu-devel] [Bug 1179731] [NEW] is networking broken on windows hosts?

[TeLeMan]

On Tue, May 14, 2013 at 7:55 PM, Paolo Bonzini <address@hidden> wrote:
> Il 14/05/2013 13:48, Paolo Bonzini ha scritto:
>> Il 14/05/2013 13:39, TeLeMan ha scritto:
>>> On Tue, May 14, 2013 at 6:46 PM, Paolo Bonzini <address@hidden> wrote:
>>>> Il 14/05/2013 12:24, TeLeMan ha scritto:
>>>>> On Tue, May 14, 2013 at 3:51 PM, Stefan Hajnoczi <address@hidden> wrote:
>>>>>> On Tue, May 14, 2013 at 12:02:24AM -0000, therock247uk wrote:
>>>>>>> just wondering as i just compiled the latest git and qemu goes into none
>>>>>>> responding mode when i try to do any networking stuff on guests (both
>>>>>>> linux and windows)
>>>>>>
>>>>>> Works for me on qemu.git/master on Linux:
>>>>>>
>>>>>>   $ git rev-parse HEAD
>>>>>>   b087143b4d010451208264b7c841436aafe1cbb1
>>>>>>   $ x86_64-softmmu/qemu-system-x86_64 -m 1024 -enable-kvm -cpu host \
>>>>>>           -drive if=virtio,cache=none,file=test.img
>>>>>>
>>>>>> Please include more information, like the QEMU command-line and commit
>>>>>> ID.
>>>>>>
>>>>>> Stefan
>>>>>>
>>>>>
>>>>> This regression occurs on the Windows host. SLIRP hangs in sorecvfrom().
>>>>
>>>> Can you bisect it?
>>>>
>>>> Paolo
>>>>
>>> The first break is the commit
>>> 5e3bc735d93dd23f074b5116fd11e1ad8cd4962f. But it need more packets
>>> than HEAD to reproduce this regression.
>>
>> Please check if this partial revert of that commit fixes it:
>
> Yeah, this should work...  WSAEventSelect is edge-triggered and the
> event will not be signaled if the socket handler does not consume all
> the data in the socket buffer.
>
> Paolo
Unfortunately, it does not work.