user: time jump in slave machine leads to freeze

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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


      
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