Re: rcu_kthread hang on 3.0.0-rc1-next-20110602

[Markus Hästbacka]

Hi!

I compiled the kernel with preempt and the problem is indeed gone, the hd errors are still present from time to time, but thats probably a hardware problem.

M

On Jun 4, 2011, at 9:17 AM, Manuel Lauss wrote:

> 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
> 
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at  http://www.tux.org/lkml/

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/