Re: Dreaded PDC irq nobody cared

[Tejun Heo <htejun@gmail.com>]

Erik Slagter wrote:
> On Mon, 2005-10-03 at 10:47 +0200, Erik Slagter wrote:
> 
>>> - is there any chance booting with noapic would make a difference? I
>>>must say my apic is a bit flaky (according to the logs)
>>
>>BTW I tried noapic, it did seem to work for two days, but then again
>>crashed with the same problem :-(
> 
> 
> I have played around a little more and found these interesting results.
> 
>  - The difference between having or having not the stuck interrupt seems
> to be the forced cooling of the attached harddisks; I find this also
> very hard to believe, but it is very reproducable; so to anyone having
> problems with the promise sata controllers I'd recommend buying
> dedicated harddisk coolers.
>  - I did a test run with disabling of "stuck" interrupts disabled and I
> can say: the interrupt is really stuck, it's no kernel bug; after some
> time I rebooted and the controller (or harddisk) still was in a confused
> state (no booting possible at all), only after an hour it started
> working again; indeed looks like a heat problem.

  Sounds like you got a faulty drive or really bad ventilation in your case.

-- 
tejun