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Date: Thu, 20 Feb 2003 14:42:05 -0800
From: William Lee Irwin III <wli@holomorphy.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: Andrew Morton <akpm@digeo.com>, Linus Torvalds <torvalds@transmeta.com>,
       zwane@holomorphy.com, cw@f00f.org, linux-kernel@vger.kernel.org,
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Subject: Re: doublefault debugging (was Re: Linux v2.5.62 --- spontaneous reboots)
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On Thu, 20 Feb 2003, Andrew Morton wrote:
>> Fixes two deadlocks in the scheduler exit path:
>> 1: We're calling mmdrop() under spin_lock_irq(&rq->lock).  But mmdrop
>>    calls vfree(), which calls smp_call_function().  

On Thu, Feb 20, 2003 at 11:04:41PM +0100, Ingo Molnar wrote:
> this has been fixed in the -F3 scheduler patch.

Not quite. It leaks mm's because schedule_tail() isn't cleaning
up rq->prev_mm.


-- wli
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