Re: ATA device reset, shoud I be concerned?

[Tejun Heo]

Tejun Heo wrote:
> Bartlomiej Zolnierkiewicz wrote:
>> On Monday 21 January 2008, Tejun Heo wrote:
>>
>> [...]
>>
>>>> Old IDE says it works for PATA. For SATA I can see it might need more
>>>> care and you might simply not be able to get the info.
>>> Old IDE often locks up the machine hard after timeouts.  I'm all for
>> Could you point me to some bugreports?
>>
>> I would like to know more about hosts/conditions for which it happens.
> 
> It's jmicron and all on-board jmicrons I have show the same problem.
> Connect harddrrive to the controller and drive it via jmicron, hot plug
> unplug SATA drives continuously, after a while, jmicron says it lost
> interrupt and the machine locks up hard.

BTW, those hot plug/unplugs don't have any direct relationship with the
JMB controller.  It's some interference or power issue, I guess.  Hot
plugging unrelated drives somehow locks up the jmicron driver.  :-(

-- 
tejun
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