ATA driver races with interrupts
culverk at sweetdreamsracing.biz
Mon Aug 2 10:46:25 PDT 2004
Quoting Ville-Pertti Keinonen <will+freebsd-current at will.iki.fi>:
> Kenneth Culver wrote:
>> I have this exact same motherboard, but I'm using the onboard
>> promise controller
>> set up with 2 disks as a raid0, and I'm not having any problems with this
>> setup. I used the promise controller because from what I've been told, the
>> promise controllers are very fast in FreeBSD compared to other controllers.
> If the two disks appear as one to FreeBSD, the problem probably isn't
> going to show up.
> It may also depend on the controller, since the channel registers might
> not satisfy the conditions in ata_generic_interrupt (I didn't bother
> digging up my ATA specs while debugging this), but even if it is a
> controller oddity, I don't think the ATA driver should be sensitive such
OK, I've never tried to access the SATA drives individually, even though they
show up as individual drives as well as showing up as the raid array.
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