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From: "linux-os \(Dick Johnson\)" <linux-os@analogic.com>
To: "Darren Reed" <darrenr@reed.wattle.id.au>
Cc: <linux-kernel@vger.kernel.org>
Subject: Re: 2.6.11: spinlock problem
Date: Fri, 23 Jun 2006 13:34:30 -0400	[thread overview]
Message-ID: <Pine.LNX.4.61.0606231331310.16810@chaos.analogic.com> (raw)
In-Reply-To: <200606231651.k5NGpbYr008153@firewall.reed.wattle.id.au>


On Fri, 23 Jun 2006, Darren Reed wrote:

> Hi,
>
> I'm seeing a spinlock held panic with a kernel stack like this:
>
> spinlock - panic, lock already held
> ..
> __do_softirq
> do_softirq
> =========
> do_IRQ
> common_interrupt
> spinlock/spinunlock
> ..
>
> when I load up the system in testing.
> The code protected by the spinlock is quite small - counter increment.
>
> I'm using 2.6.11-1.1369_FC4 #1, installed inside of vmware,
> running as a guest on a Windows XP box.
>
> Is this
> (a) linux allowing the IRQ too early
> (b) vmware not doing something right
> (c) enivitable
> (d) somehow my fault
> (e) something else?
>
> Thanks,
> Darren

Where's the code? Also, did you initialize the spin-lock variable
before use?

Cheers,
Dick Johnson
Penguin : Linux version 2.6.16.4 on an i686 machine (5592.88 BogoMips).
New book: http://www.AbominableFirebug.com/
_
\x1a\x04

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Thank you.

  reply	other threads:[~2006-06-23 17:34 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-06-23 16:51 2.6.11: spinlock problem Darren Reed
2006-06-23 17:34 ` linux-os (Dick Johnson) [this message]
2006-06-24  2:47   ` Darren Reed
2006-06-25  9:38     ` Frederik Deweerdt
2006-06-23 19:19 ` Hareesh Nagarajan
2006-06-24 10:18 Chuck Ebbert

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