[Xen-users] Re: [Xen-devel] Dom0 reboot when several VM reboot at the same time

[Jeremy Fitzhardinge <jeremy@xxxxxxxx>]

On 06/25/2010 04:40 AM, tsk wrote:
> Hi folks,
>
>   I met a problem: when 6 VM reboot at the same time, 3:00 morning,
> the Dom0 reboot it self:
> Xen version is 4.0.0, VMs are windows 2003 with redhat pv, they will
> update and reboot itself every 3:00 AM.
>
> # last
> ... ...
> admin    pts/0        10.247.1.1       Fri Jun 25 03:40 - 04:30
>  (00:50)    
> reboot   system boot  2.6.31.13        Fri Jun 25 11:16        
>  (00:-3)    
> admin    pts/0        10.247.1.1       Fri Jun 18 03:30 - 03:31  (00:01)
> ... ...
>
> /var/log/xen/xend.log:
> ... ...
> [2010-06-25 03:10:41 4409] DEBUG (DevController:139) Waiting for
> devices vif2.
> [2010-06-25 03:10:41 4409] DEBUG (DevController:139) Waiting for
> devices vif.
> [2010-06-25 03:10:41 4409] DEBUG (DevController:144) Waiting for 0.
> [2010-06-25 03:10:41 4409] INFO (XendDomainInfo:2150) Domain has
> shutdown: name=VM-4836078C.1515.21 id=8 reason=reboot.
> [2010-06-25 03:10:41 4409] DEBUG (XendDomainInfo:3115)
> XendDomainInfo.destroy: domid=8
> [2010-06-25 03:10:41 4409] INFO (XendDomainInfo:2150) Domain has
> shutdown: name=VM-4836078C.1515.21 id=8 reason=reboot.
> [2010-06-25 03:10:41 4409] DEBUG (XendDomainInfo:1953)
> XendDomainInfo.handleShutdownWatch
> [2010-06-25 03:10:41 4409] DEBUG (DevController:628)
> hotplugStatusCallback /local/domain/0/backend/vif/26/0/hotplug-status.
> [2010-06-25 03:13:36 4401] INFO (SrvDaemon:332) Xend Daemon started
> [2010-06-25 03:13:36 4401] INFO (SrvDaemon:336) Xend changeset:
> unavailable.
> ... ...
>
>
>
> /var/log/messages:
> ... ...
> Jun 25 03:10:41 r21b02004 tapdisk2[16340]:
> /guest/VM-420A07DA/disk10369/image.vhd: 4
> Jun 25 03:10:41 r21b02004 kernel: blktap_ring_open: opening device blktap3
> Jun 25 03:10:41 r21b02004 kernel: blktap_ring_open: opened device 3
> Jun 25 03:10:41 r21b02004 kernel: blktap_ring_mmap: blktap: mapping
> pid is 16340
> Jun 25 03:10:41 r21b02004 kernel: blktap_validate_params:
> vhd:/guest/VM-420A07DA/disk10369/image.vhd: capacity: 419430400,
> sector-size: 512
> Jun 25 03:10:41 r21b02004 kernel: blktap_validate_params:
> vhd:/guest/VM-420A07DA/disk10369/image.vhd: capacity: 419430400,
> sector-size: 512
> Jun 25 03:10:41 r21b02004 kernel: blktap_device_create: minor 3
> sectors 419430400 sector-size 512
> Jun 25 03:10:41 r21b02004 kernel: blktap_device_create: creation of
> 252:3: 0
> Jun 25 03:10:41 r21b02004 sshd[16414]: Did not receive identification
> string from 10.247.10.51
> Jun 25 03:10:41 r21b02004 kernel: device 001107 entered promiscuous mode
> Jun 25 03:10:41 r21b02004 kernel: eth0: port 3(001107) entering
> forwarding state
> Jun 25 11:16:10 r21b02004 syslogd 1.4.1: restart.
> ... ...
>
>
> Can anyone give me some tips? Thanks!

Which dom0 kernel are you using?

    J

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