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

[tsk <aixt2006@xxxxxxxxx>]

xm info:

release                : 2.6.31.13

version                : #3 SMP Fri Apr 30 15:10:24 CST 2010

machine                : x86_64

nr_cpus                : 16

nr_nodes               : 2

cores_per_socket       : 4

threads_per_core       : 2

cpu_mhz                : 2266

hw_caps                : bfebfbff:28100800:00000000:00001b40:009ce3bd:00000000:00000001:00000000

virt_caps              : hvm

total_memory           : 24544

free_memory            : 19693

node_to_cpu            : node0:0,2,4,6,8,10,12,14

                         node1:1,3,5,7,9,11,13,15

node_to_memory         : node0:7633

                         node1:12059

node_to_dma32_mem      : node0:2996

                         node1:0

max_node_id            : 1

xen_major              : 4

xen_minor              : 0

xen_extra              : .0

xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 

xen_scheduler          : credit

xen_pagesize           : 4096

platform_params        : virt_start=0xffff800000000000

xen_changeset          : unavailable

xen_commandline        : console=com1,vga com1=115200,8n1 msi=1 dom0_mem=6144M  dom0_max_vcpus=4  dom0_vcpus_pin iommu=off x2apic=off hap=0

cc_compiler            : gcc version 4.1.2 20080704 (Red Hat 4.1.2-46)

cc_compile_by          : root

cc_compile_date        : Wed May 12 19:09:47 CST 2010

xend_config_format     : 4

tsk

2010/6/26 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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