From: Jason Stubbs <jstubbs@work-at.co.jp>
Organization: Work@ Inc
To: Andrew Morton <akpm@osdl.org>
Subject: Re: PROBLEM: Consistent lock up on >=2.6.8
Date: Tue, 5 Oct 2004 13:17:48 +0900
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References: <200410041611.17000.jstubbs@work-at.co.jp> <200410051053.09587.jstubbs@work-at.co.jp> <20041004185845.471bcc55.akpm@osdl.org>
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On Tuesday 05 October 2004 10:58, Andrew Morton wrote:
> Jason Stubbs <jstubbs@work-at.co.jp> wrote:
> >  On Tuesday 05 October 2004 04:05, Andrew Morton wrote:
> >  > update_defense_level() is calling si_meminfo() from timer context. 
> >  > But si_meminfo takes non-irq-safe locks.
> >  >
> >  > Move it all to keventd context.
> >
> >  That appears to have fixed it. I'm running my regular test and, while
> >  interactivity is non-existent, it hasn't locked. I'll leave it going for
> >  another few hours and report back to confirm.

Going on 3 hours and no problems.

> >  Much gratitude. I should go out and buy a kernel book so that I may some
> > day be able to repay the favour. :)
>
> You reported the bug, then you applied and ran the debug patch and then you
> sent back the info which was necessary to arrive at a fix and then you
> tested the fix.
>
> How could you possibly have anything further to "repay"?

Nevertheless... :)

Regards,
Jason Stubbs
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