Messages in this thread | | | Subject | Re: [PATCH] powerpc: use local var instead of local_paca->irq_happened directly in __check_irq_replay | From | Benjamin Herrenschmidt <> | Date | Fri, 04 May 2012 10:10:07 +1000 |
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On Fri, 2012-05-04 at 07:35 +0800, Wang Sheng-Hui wrote: > > No, Only comment the test, you must absolutely leave the > > __hard_irq_disable() call ! That's the whole point of the test, make > > sure we unconditionally disable to see if that fixes the problem, in > > which case that will tell us that we somewhere accidentally leave > > irq_happened set to 0x01 while irqs are hard enabled. > > It can work. > My system has been running for about 15 hours without crash.
Ok, so now we need to understand under what circumstances we end up in a situation where paca->irq_happened is 0x01 and IRQs are hard enabled. I have a few ideas of things to look at but I'm also off for the week-end.
I'll have a look next week.
Cheers, Ben.
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