Re: [LINUX-ABIT] Linux locking in irq_enter

[Robert Redelmeier]

Zdenek Kabelac wrote:

> I was able to trace one lock of my BP6 board.
> 
> Both CPUs were locked in the irq_enter (arch/i386/kernel/irq.h)
> while loop  - one was in the process swapper (<smp_local_timer_interrupt>)
> and the second process one in (<handle_IRQ_event>)

Interesting.  If you have stable hardware (burnP6 & burnBX)
then this should be reported to the kernel mailing list.

I've beaten very hard on spinlocks and not had them break, 
but all my testing was in userspace, and this is a 
kernel issue.

-- Robert
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