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SubjectRe: Possibly SATA related freeze killed networking and RAID
Pavel Machek wrote:
> Hi!
>>> kernel: [734344.717844] irq 21: nobody cared (try booting with the
>>> "irqpoll" option)
>>> kernel: [734344.717866]
>> Your machine decided to emit interrupt 21 without an apparent reason.
>> Whatever caused that made the kernel shut down IRQ 21 at which point the
>> disk drives on that IRQ were no longer being serviced. Everything on IRQ
>> 21 would have died - which may be why your networking failed too.
> Hmm, perhaps that 'nobody cared' message should be worded more
> strongly, and printed and KERN_CRIT?

Agreed. Nobody cared on ATA controllers is usually very effective at
taking the whole machine down. Is there any reason why we don't turn on
irqpoll on turned off IRQs automatically?


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