On Tue, Mar 23, 2010 at 08:27:46PM +0900, ?????? wrote:
> this is my domU config file
> there is nothing special....
>
> ==============================================================
> kernel = "/boot/vmlinuz-2.6.32.10-domU"
> ramdisk = "/boot/initrd.img-2.6.32.10-domU"
> memory = 1024
> name = "ubuntu1"
> vcpus = 1
> vif = [ 'mac=00:16:3e:48:ef:5c, bridge=eth0' ]
> disk = [
>
> 'file:/root/xen/domainU/ubuntu1/ubuntu1.img,xvda1,w','file:/root/xen/domainU/ubuntu1/ubuntu1_swap.img,xvda2,w'
> ]
> hostname= "ubuntu1"
> root = "/dev/xvda1 ro"
> extra = "console=hvc0 earlyprintk=xen"
> ==============================================================
>
> and I also used Ubuntu distribution .config file which was created at
> Ubuntu install time for domU build
>
Ok. Is it 32bit or 64bit?
-- Pasi
> 2010/3/23 Pasi Kärkkäinen <[1]pasik@xxxxxx>
>
> On Tue, Mar 23, 2010 at 08:01:42PM +0900, ?????? wrote:
> > 2.6.32.10 domU also failed with same error log..
> > Is it exactly domU problem??
> >
>
> For PV guests it is _usually_ a domU kernel problem.
> > Is there specific kernel configuration related to save/restore??
> > any other comments??
> >
>
> I tested using 2.6.32.9 in the domU 1 month ago (or so),
> and I could save/restore just fine.
>
> I tried both 32bit and 64bit guests, and both single-vcpu and
> multi-vcpu.
> my .config was based on Fedora kernel .config.
>
> Please paste your /etc/xen/<guest> cfgfile?
>
> -- Pasi
>
> > 2010/3/23 Pasi Kärkkäinen <[1][2]pasik@xxxxxx>
> >
> > On Tue, Mar 23, 2010 at 05:04:59PM +0900, ?????? wrote:
> > > when I command 'xm save [domainU] [filename]', save process
> does
> > not
> > > complete with this error message
> > >
> > > Error: /usr/lib/xen/bin/xc_save 34 2 0 0 0 failed
> > > Usage: xm save [-c] <Domain> <CheckpointFile>
> > >
> > > Save a domain state to restore later.
> > > -c, --checkpoint Leave domain running after
> > > creating
> > > snapshot
> > >
> > > and /var/log/xen/xend.log produced below error message.
> > >
> > > [2010-03-23 16:58:07 1023] DEBUG (DevController:643)
> > hotplugStatusCallback
> > > 1.
> > > [2010-03-23 16:58:07 1023] DEBUG (DevController:139) Waiting
> for
> > devices
> > > irq.
> > > [2010-03-23 16:58:07 1023] DEBUG (DevController:139) Waiting
> for
> > devices
> > > vfb.
> > > [2010-03-23 16:58:07 1023] DEBUG (DevController:139) Waiting
> for
> > devices
> > > pci.
> > > [2010-03-23 16:58:07 1023] DEBUG (DevController:139) Waiting
> for
> > devices
> > > vtpm.
> > > [2010-03-23 16:58:07 1023] INFO (XendDomain:1182) Domain
> ubuntu1
> > (3)
> > > unpaused.
> > > [2010-03-23 16:58:42 1023] DEBUG (XendCheckpoint:110)
> [xc_save]:
> > > /usr/lib/xen/bin/xc_save 34 3 0 0 0
> > > [2010-03-23 16:58:42 1023] INFO (XendCheckpoint:417)
> xc_save:
> > failed to
> > > get the suspend evtchn port
> > > [2010-03-23 16:58:42 1023] DEBUG (XendCheckpoint:388)
> suspend
> > > [2010-03-23 16:58:42 1023] INFO (XendCheckpoint:417)
> > > [2010-03-23 16:58:42 1023] DEBUG (XendCheckpoint:113) In
> > saveInputHandler
> > > suspend
> > > [2010-03-23 16:58:42 1023] DEBUG (XendCheckpoint:115)
> Suspending 3
> > ...
> > > [2010-03-23 16:58:42 1023] DEBUG (XendDomainInfo:511)
> > > XendDomainInfo.shutdown(suspend)
> > > [2010-03-23 16:58:42 1023] DEBUG (XendDomainInfo:1709)
> > > XendDomainInfo.handleShutdownWatch
> > > [2010-03-23 16:58:42 1023] DEBUG (XendDomainInfo:1709)
> > > XendDomainInfo.handleShutdownWatch
> > > [2010-03-23 16:58:42 1023] INFO (XendDomainInfo:1903) Domain
> has
> > shutdown:
> > > name=migrating-ubuntu1 id=3 reason=suspend.
> > > [2010-03-23 16:58:42 1023] INFO (XendCheckpoint:121) Domain
> 3
> > suspended.
> > > [2010-03-23 16:58:42 1023] DEBUG (XendCheckpoint:130)
> Written done
> > > [2010-03-23 16:58:42 1023] ERROR (XendCheckpoint:164) Save
> failed
> > on
> > > domain ubuntu1 (3) - resuming.
> > > Traceback (most recent call last):
> > > File
> > "/usr/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py",
> line
> > > 132, in save
> > > forkHelper(cmd, fd, saveInputHandler, False)
> > > File
> > "/usr/lib/python2.6/dist-packages/xen/xend/XendCheckpoint.py",
> line
> > > 405, in forkHelper
> > > raise XendError("%s failed" % string.join(cmd))
> > > XendError: /usr/lib/xen/bin/xc_save 34 3 0 0 0 failed
> > > [2010-03-23 16:58:42 1023] DEBUG (XendDomainInfo:2788)
> > > XendDomainInfo.resumeDomain(3)
> > > [2010-03-23 16:58:42 1023] DEBUG (XendDomainInfo:2829)
> > > XendDomainInfo.resumeDomain: completed
> > > [2010-03-23 17:01:10 1023] DEBUG (XendDomainInfo:2732)
> > > XendDomainInfo.destroy: domid=3
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2207)
> Destroying
> > device
> > > model
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2214)
> Releasing
> > devices
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2227)
> Removing
> > vif/0
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:1134)
> > > XendDomainInfo.destroyDevice: deviceClass = vif, device =
> vif/0
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2227)
> Removing
> > console/0
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:1134)
> > > XendDomainInfo.destroyDevice: deviceClass = console, device
> =
> > console/0
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2227)
> Removing
> > vbd/51713
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:1134)
> > > XendDomainInfo.destroyDevice: deviceClass = vbd, device =
> vbd/51713
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2227)
> Removing
> > vbd/51714
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:1134)
> > > XendDomainInfo.destroyDevice: deviceClass = vbd, device =
> vbd/51714
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2212) No
> device
> > model
> > > [2010-03-23 17:01:11 1023] DEBUG (XendDomainInfo:2214)
> Releasing
> > devices
> > >
> > > my system configuration ( 32bit machine )
> > > xen 3.4.2, dom0( jeremy's pvops kernel 2.6.31.6), domU(
> vanilla
> > kernel
> > > 2.6.32 with paravirt enabled), distribution( ubuntu 9.10 )
> > > It does not work well
> > >
> > > what is the problem??
> > > I think current system is quite stable, newtork, disk, and
> so on.
> > > Is there anyone who know this or has experience??
> > >
> >
> > You need to update your domU kernel to the latest stable update
> > (2.6.32.10),
> > and that'll fix the problem. 2.6.32(.0) doesn't yet have the
> necessary
> > save/restore fixes.
> >
> > -- Pasi
> >
> > --
> > Eunbyung Park
> >
> > References
> >
> > Visible links
> > 1. mailto:[3]pasik@xxxxxx
>
> --
> Eunbyung Park
>
> References
>
> Visible links
> 1. mailto:pasik@xxxxxx
> 2. mailto:pasik@xxxxxx
> 3. mailto:pasik@xxxxxx
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