Re: a problem about xen4.0 remus

[Keir Fraser <keir.fraser@eu.citrix.com>]

On 09/07/2010 06:16, "Pasi Kärkkäinen" <pasik@iki.fi> wrote:

> On Thu, Jul 08, 2010 at 06:05:07PM -0700, Brendan Cully wrote:
>> 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
>> 
> 
> 2.6.18-128.e15xen is Redhat RHEL 5.3 default kernel..
> 
> It doesn't have the latest Xen bits.. when was that added to
> linux-2.6.18-xen.hg ?

Changesets 591 and 623.

 -- Keir

> -- Pasi
> 
>> 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 
>>> 
>>> 
>>> 
>>> ???????????? Brendan Cully
>>> ??????????????? 2010-07-07  01:44:14
>>> ???????????? taojiang628
>>> ????????? xen-devel
>>> ????????? 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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> 
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