Re: soft lockup - CPU#1 stuck for 15s! [swapper:0]

[Parag Warudkar]

On Dec 8, 2007 10:47 AM, Ingo Molnar <mingo@xxxxxxx> wrote:
>
> does the patch below help? But the root cause is likely some timer
> problems - do you get consistent results from:
>

Haven't yet tried the patch - will try a little later.

>    while :; do time usleep 1111111; done
>
> or do these sleeps fluctuate?
>

They seem to fluctuate - not sure if that's supposed to be exact or if
below variations are normal -
This is when my compiles are running -

[parag@mini ~]$ while :; do time usleep 1111111; done

real    0m1.116s
user    0m0.000s
sys     0m0.000s

real    0m1.112s
user    0m0.000s
sys     0m0.000s

real    0m1.130s
user    0m0.000s
sys     0m0.004s

real    0m1.144s
user    0m0.000s
sys     0m0.000s


Thanks
Parag
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