* user: time jump in slave machine leads to freeze
@ 2011-01-25 15:21 gnafou
2011-01-25 17:57 ` Brian Jackson
0 siblings, 1 reply; 2+ messages in thread
From: gnafou @ 2011-01-25 15:21 UTC (permalink / raw)
To: kvm
Hello
We have had several cases where a slave machine freezes, eating all available
cpu. ( this happends randomly, say, after 3 months of correct functionning )
After reboot, looking at the syslog when the freeze occured, the few ( ~5 )
last lines written show a date which has jumped in the future ( roughly, 15 days
ahead ), but nothing related to the crash is logged.
our salves machines are ntp-synchronized
we run under debian/lenny
we launch the machines with the kvm command
kernel of host : 2.6.26-2-amd64
kernel of host : 2.6.26-2-686
command launched :
kvm -name svn -drive file=xxx -net tap -m 256 -net nic,macaddr=xxx -pidfile
/var/run/kvm/xx.pid -daemonize -k fr -vnc :63006 -monitor
unix:xx_monitor,server,nowait -vnc unix:xx_vnc
If you ever have an idea how to solve or to debug the problem ...
Thanks
Fred
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: user: time jump in slave machine leads to freeze
2011-01-25 15:21 user: time jump in slave machine leads to freeze gnafou
@ 2011-01-25 17:57 ` Brian Jackson
0 siblings, 0 replies; 2+ messages in thread
From: Brian Jackson @ 2011-01-25 17:57 UTC (permalink / raw)
To: gnafou; +Cc: kvm
On 1/25/2011 9:21 AM, gnafou wrote:
> Hello
>
> We have had several cases where a slave machine freezes, eating all available
> cpu. ( this happends randomly, say, after 3 months of correct functionning )
>
> After reboot, looking at the syslog when the freeze occured, the few ( ~5 )
> last lines written show a date which has jumped in the future ( roughly, 15 days
> ahead ), but nothing related to the crash is logged.
>
> our salves machines are ntp-synchronized
>
>
> we run under debian/lenny
> we launch the machines with the kvm command
>
> kernel of host : 2.6.26-2-amd64
> kernel of host : 2.6.26-2-686
I'm pretty sure this issue has been fixed in newer versions of qemu-kvm
and the kernel. You might want to try using the versions from backports.
You are unlikely to get much support on a kernel that's 10 releases old
and iirc, the kvm that came with lenny was only a development snapshot.
> command launched :
>
> kvm -name svn -drive file=xxx -net tap -m 256 -net nic,macaddr=xxx -pidfile
> /var/run/kvm/xx.pid -daemonize -k fr -vnc :63006 -monitor
> unix:xx_monitor,server,nowait -vnc unix:xx_vnc
>
>
> If you ever have an idea how to solve or to debug the problem ...
>
> Thanks
>
>
> Fred
>
>
>
> --
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^ permalink raw reply [flat|nested] 2+ messages in thread
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2011-01-25 15:21 user: time jump in slave machine leads to freeze gnafou
2011-01-25 17:57 ` Brian Jackson
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