RE: [Xen-ia64-devel] Please try PV-on-HVM on IPF

["You, Yongkang" <yongkang.you@xxxxxxxxx>]

HI Takanori,

Thank you for the investigation and bug fixing. As you mentioned, X86 side also 
meets this problem recently, because there are some mechanism changing. Wait 
for your patches. :)

Best Regards,
Yongkang (Kangkang) 永康

>-----Original Message-----
>From: xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx
>[mailto:xen-ia64-devel-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Kasai
>Takanori
>Sent: 2006年11月16日 12:10
>To: xen-ia64-devel
>Subject: Re: [Xen-ia64-devel] Please try PV-on-HVM on IPF
>
>Hi Yangkang,
>
>>>> You (yongkang.you) said:
>>>>> The trace back message will happen when I just inserted vnif driver into
>>>>> VTI, when I used 2 NICs for VTI (1 is IOEMU, the other is VNIF).
>>>>>
>>>>>>  I've looked `netif_release_rx_bufs: fix me for copying receiver.'
>>>>>>message sometimes at vnif detaching. But I've not met domain-vti
>>>>>>crash.
>>>>> The crashing happened if I also use IOEMU NIC for VTI domain. The
>VTI
>>>vif
>>>>> config should like:
>>>>> vif = [ 'type=ioemu, bridge=xenbr0', '' ]
>>>>
>>>>  Thanks. I'll try it.
>>>
>>>I was able to confirm this problem occurred in the same environment.
>>>(changeset :11810 )
>>>We continue and investigate this problem.
>
>Sorry, the reply was delayed.
>I have confirmed this problem has already corrected it as follows.
>The crash doesn't happen even if IOEMU NIC is used for the VTI domain.
>
>>>>>>
>・xen-unstable.hg       : cs 12048
>・xen-ia64-unstable.hg  : cs 12062
>
> [NET] front: Clean up error handling.
> This eliminates earlier work around patch for an observed crash.
>>>>>>
>
>However, IOEMU NIC is registered in xenwatch as VNIF.
>Then the crashing happened if 'xm network-detach' is executed for IOEMU
>NIC.
>Because IOEMU NIC is shut as VNIF.
>
>I think that I should not register originally IOEMU NIC in xenwatch.
>Because the same issue exists for x86 architecture,
>I'll contribute it to the xen-devel community.
>
>Thanks,
>
>--
> Takanori Kasai
>
>
>
>
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