Re: Re: [Xen-devel] a problem about xen4.0 remus

[Brendan Cully <brendan@xxxxxxxxx>]

I have no idea where that kernel comes from or how old it is. It may
be missing event-channel suspend support. Try building the 2.6.18 tree
hosted at xenbits: http://xenbits.xen.org/linux-2.6.18-xen.hg

On Friday, 09 July 2010 at 08:59, taojiang628 wrote:
> 
> My guest kernel is 2.6.18-128.e15xen . So what should I do about this 
> problem. Thank you! 
> 
> 2010-07-09 
> 
> 
> 
> taojiang628 
> 
> 
> 
> åääï Brendan Cully 
> åéæéï 2010-07-07  01:44:14 
> æääï taojiang628 
> æéï xen-devel 
> äéï Re: [Xen-devel] a problem about xen4.0 remus 
>  
> On Tuesday, 06 July 2010 at 15:20, taojiang628 wrote:
> > hello:
> > I have a problem about the remus, I use xen-4.0-test.hg+linux-2.6.18-xen.hg 
> > ,anyone know what should I do about this problem. Thank you!
> > [root@localhost ~]# remus -i 100  centos5.4 192.168.10.190
> > Disk is not replicated: tap:aio:/root/xen/domains/centos-5.4/disk.img,xvda,w
> > modprobe -q ifb
> > WARNING: suspend event channel unavailable, falling back to slow xenstore 
> > signalling
> > Had 0 unexplained entries in p2m table
> >  1: sent 65252, skipped 284, delta 23066ms, dom0 24%, target 0%, sent 
> > 92Mb/s, dirtied 0Mb/s 365 pages
> >  2: sent 365, skipped 0, delta 128ms, dom0 29%, target 0%, sent 93Mb/s, 
> > dirtied 10Mb/s 41 pages
> >  3: sent 41, skipped 0, Start last iteration
> > PROF: suspending at 1278311972.985159
> > installing buffer on imq0...  done.
> > SUSPEND shinfo 0000027b
> > delta 55ms, dom0 94%, target 5%, sent 24Mb/s, dirtied 69Mb/s 117 pages
> >  4: sent 117, skipped 0, delta 3ms, dom0 100%, target 0%, sent 1277Mb/s, 
> > dirtied 1277Mb/s 117 pages
> > Total pages sent= 65775 (0.97x)
> > (of which 0 were fixups)
> > All memory is saved
> > PROF: resumed at 1278311973.044589
> > PROF: flushed memory at 1278311973.048302
> > PROF: suspending at 1278311973.101436
> > timeout polling fd
> > ERROR Internal error: Suspend request failed
> > ERROR Internal error: Domain appears not to have suspended
> > Save exit rc=1
> > Exception exceptions.KeyError: 'imq0' in <bound method BufferedNIC.__del__ 
> > of <xen.remus.device.BufferedNIC object at 0xb7971a4c>> ignored
> > [root@localhost ~]#
> What kernel are you using for your guest? The event channel warning
> suggests it's not 2.6.18. If you can, use the Xen 2.6.18 kernel for
> your guest as well. Also, take a look at the instructions here:
> http://nss.cs.ubc.ca/remus/doc.html

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