Re: [patch] Change softlockup trigger limit using a kernel parameter

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On Thu, Jul 19, 2007 at 11:11:42AM +0200, Ingo Molnar wrote:
>
>* Andrew Morton <[email protected]> wrote:
>
>> > +softlockup_thresh:
>> > +
>> > +This value can be used to lower the softlockup tolerance
>> > +threshold. The default threshold is 10s.  If a cpu is locked up
>> > +for 10s, the kernel complains.  Valid values are 1-10s.
>> > +
>> 
>> neato.
>
>please make sure this is applied after the softlockup watchdog patches i 
>already did. (in particular the cleanup patch, which this could interact 
>with)
>
>also, i think the valid threshold should be between 1 and 60 seconds i 
>think.

60 seconds!  Is that not a pretty high threshold?  The reason for lowering
the tolerance threshold from 10s is to catch bugs early in lab environments,
but why do we need to raise the tolerance thresh beyond 10s?

Thanks,
Kiran
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