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

[tsk <aixt2006@xxxxxxxxx>]

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!

tsk

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