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RE: [Xen-devel] migration fails with option "--live"

To: Ian Campbell <Ian.Campbell@xxxxxxxxxxxxx>
Subject: RE: [Xen-devel] migration fails with option "--live"
From: "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx>
Date: Mon, 25 Oct 2010 15:48:04 +0800
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Cc: Ian Jackson <Ian.Jackson@xxxxxxxxxxxxx>, "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, Keir Fraser <keir@xxxxxxx>
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Thread-topic: [Xen-devel] migration fails with option "--live"
> -----Original Message-----
> From: Ian Campbell [mailto:Ian.Campbell@xxxxxxxxxxxxx]
> Sent: Monday, October 25, 2010 3:38 PM
> To: Zhang, Yang Z
> Cc: Keir Fraser; xen-devel@xxxxxxxxxxxxxxxxxxx; Ian Jackson
> Subject: RE: [Xen-devel] migration fails with option "--live"
> 
> On Mon, 2010-10-25 at 08:04 +0100, Zhang, Yang Z wrote:
> > It was introduced by 22275.
> 
> I'll look into this today.
> 
> Do you get any interesting messages in the logs?
> 
> What sort of guest(s) are you testing, PV, HVM or PVHVM?
HVM. There are some error in xend.log:
[2010-10-25 23:37:53 14236] INFO (XendCheckpoint:416) xc_save: failed to get 
the suspend evtchn port
[2010-10-25 23:37:53 14236] INFO (XendCheckpoint:416)
[2010-10-25 23:37:53 14236] INFO (XendCheckpoint:416) xc: error: Couldn't 
enable qemu log-dirty mode (errno 2) (2 = No such file or directory): Internal 
error
[2010-10-25 23:37:53 14236] ERROR (XendCheckpoint:178) Save failed on domain 
vCPL_LM_40_1288002025 (8) - resuming.
Traceback (most recent call last):
  File "usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 
146, in save
    forkHelper(cmd, fd, saveInputHandler, False)
  File "usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py", line 
404, in forkHelper
    raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 30 8 0 0 5 failed
[2010-10-25 23:37:53 14236] DEBUG (XendDomainInfo:3135) 
XendDomainInfo.resumeDomain(8)
[2010-10-25 23:37:53 14236] DEBUG (XendDomainInfo:2498) 
XendDomainInfo.constructDomain
[2010-10-25 23:37:53 14236] DEBUG (balloon:187) Balloon: 11075848 KiB free; 
need 16384; done.
[2010-10-25 23:37:53 14236] DEBUG (XendDomain:476) Adding Domain: 9
[2010-10-25 23:37:53 14236] WARNING (XendDomainInfo:506) Cannot restore CPU 
affinity

Check the attachment to see the details of xend log and qemu log.

best regards
yang

> Ian.
> 
> >
> > best regards
> > yang
> >
> >
> > > -----Original Message-----
> > > From: Keir Fraser [mailto:keir.xen@xxxxxxxxx] On Behalf Of Keir Fraser
> > > Sent: Monday, October 25, 2010 2:11 PM
> > > To: Zhang, Yang Z; xen-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: Re: [Xen-devel] migration fails with option "--live"
> > >
> > > Regression, probably due to either 22275 or 22277. Bisect to find out, and
> > > then report to the list cc Ian Campbell and Ian Jackson.
> > >
> > >  -- Keir
> > >
> > > On 25/10/2010 04:52, "Zhang, Yang Z" <yang.z.zhang@xxxxxxxxx> wrote:
> > >
> > > > Hi all
> > > > With 22277, I found try to migrate with option "--live" unsuccessful. It
> shows
> > > > the error:
> > > > Error: timed out
> > > > Usage: xm migrate <Domain> <Host>
> > > >
> > > > But it works with 22267.Does "--live" not support any more in xen or 
> > > > just a
> > > > regression?
> > > >
> > > > best regards
> > > > yang
> > > >
> > > >
> > > > _______________________________________________
> > > > Xen-devel mailing list
> > > > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > > > http://lists.xensource.com/xen-devel
> > >
> >
> >
> > _______________________________________________
> > Xen-devel mailing list
> > Xen-devel@xxxxxxxxxxxxxxxxxxx
> > http://lists.xensource.com/xen-devel
> 

Attachment: xend.log
Description: xend.log

Attachment: qemu-dm-vCPL_LM_40_1288002025.log
Description: qemu-dm-vCPL_LM_40_1288002025.log

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