Messages in this thread | | | From | Manuel Lauss <> | Subject | Re: rcu kthread hang on 3.0.0-rc1-next-20110602 | Date | Sat, 4 Jun 2011 06:17:50 +0000 (UTC) |
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Hello,
Markus Hästbacka <mhastbacka <at> gmail.com> writes: > If I > run dmesg the computer hangs for 15 minutes, and I cannot even login at this time, if I leave top (the top > window updates very slowly, like every 5 minutes during this period) running I can see that the process > rcu_kthread takes 100% CPU, the computer load average is at around 10.
> but for example the last time I got the hang, I didn't get this error, nor any other error for that matter. > > The OS is installed on a CF-card. The computer is a eBox computer with VIA Nehemiah CPU, 256MB RAM. > > what more information do you need? Or what more can I test?
I too experience this weird 15 to 20-minute hang, but only on non-preempt uniprocessor kernels; it still responds to pings, though. With either preempt or SMP enabled it's not as visible or simply gone.
Manuel
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