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SubjectRe: - uptime related crashes?

We're experiencing similar but slightly different
problems. Some KVM hosts crash after 210-220 uptime.
Some of them hits divide-by-zero, but one of them shows:

[671528.8780080] BUG: soft lockup - CPU#4 stuck for 61s! [kvm:11131]

(sorry we have no full crash message including the backtrace)

The host kernel is (ubuntu 2.6.32-22-server,

I'm not sure but probably the task scheduler is confusing by
the sched_clock overflow?


Minoura Makoto <>

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