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



On 06/28/2010 05:44 AM, tsk wrote:
> xm info:
>
> release                : 2.6.31.13

Can you reproduce this with a xen/stable-2.6.32.x - based kernel?

    J

> 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 <mailto: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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