Re: do_syslog/__down_trylock lockup in current BK

From: Linus Torvalds (torvalds@transmeta.com)
Date: Mon Sep 09 2002 - 14:01:09 EST


On Mon, 9 Sep 2002, Ingo Molnar wrote:
>
> i can reproduce the following lockup in BK-current, SMP:

Hmm. The only potential lockup source I could see is that semaphore
waitqueue spinlock.

> >>EIP; c0106c57 <__down_trylock+a7/b4> <=====

Are you sure your system.map is correct? __down_trylock() should _not_ be
that big - it's just 67 bytes for me (and apparently almost three times
the size for you). Spinlock debugging or something?

                Linus

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