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

To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, xen-users <xen-users@xxxxxxxxxxxxxxxxxxx>
Subject: [Xen-devel] Dom0 reboot when several VM reboot at the same time
From: tsk <aixt2006@xxxxxxxxx>
Date: Fri, 25 Jun 2010 11:40:24 +0800
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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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