Re: 2.6.11: spinlock problem

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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/
_


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