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Re: [Xen-users] Remus: network buffering problem

To: Wenda Ni <wonda.ni@xxxxxxxxx>
Subject: Re: [Xen-users] Remus: network buffering problem
From: Todd Deshane <todd.deshane@xxxxxxx>
Date: Sat, 19 Feb 2011 02:44:50 +0000
Cc: Shriram Rajagopalan <rshriram@xxxxxxxxx>, xen-users@xxxxxxxxxxxxxxxxxxx
Delivery-date: Fri, 18 Feb 2011 18:46:12 -0800
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Adding our new remus maintainer to the CC

On Fri, Feb 18, 2011 at 6:24 AM, Wenda Ni <wonda.ni@xxxxxxxxx> wrote:
> Hello,
> Many thanks to Simon for his trouble shooting on live migration. I have now
> started testing remus according to the remus link
> http://nss.cs.ubc.ca/remus/doc.html
> 1) Remus in its simplest mode (--no-net option), without disk replication or
> network protection, is now working good.
> 2) When we add the network buffering protection (remove the --no-net
> option), remus gives the error as follows:
> modprobe -q ifb
> modprobe -q imq
> Traceback (most recent call last):
>   File "/usr/bin/remus", line 210, in <module>
>     run(cfg)
>   File "/usr/bin/remus", line 119, in run
>     bufs.append(BufferedNIC(vif))
>   File "/usr/local/lib/python2.6/dist-packages/xen/remus/device.py", line
> 272, in __init__
>     self.pool = Netbufpool(selectnetbuf())
>   File "/usr/local/lib/python2.6/dist-packages/xen/remus/device.py", line
> 174, in selectnetbuf
>     raise BufferedNICException('no net buffer available')
> xen.remus.device.BufferedNICException: no net buffer available
> Exception AttributeError: "'BufferedNIC' object has no attribute 'bufdev'"
> in <bound method BufferedNIC.__del__ of <xen.remus.device.BufferedNIC object
> at 0xd9dd90>> ignored
> I googled, but find little useful info. Could anyone know my problem?
> --
> Cheers,
> Wenda Ni, Ph.D.
> Dept. of Computer Science and Engineering
> State University of New York (SUNY) at Buffalo
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