IDE locking (was: Re: RFD: Kernel release numbering)

[CaT]

On Fri, Mar 04, 2005 at 12:44:04AM +0000, Alan Cox wrote:
> On Gwe, 2005-03-04 at 00:19, CaT wrote:
> > Working IDE locking? Does this mean if I have 2 promise cards, a HD
> > on each card and I copy from one to the other it wont all blow up in my
> > face?
> 
> Depends on your PCI bus and also if the are on the same IRQ. In the same

Hmm. How can I check on this? What should I look for?

> IRQ case you may find 2.6.11 is a bit saner as Bartlomiej may have
> sorted one of the IRQ masking problems now.

/proc/interrupts reports different irqs for each ide device:

  5:    5018683          XT-PIC  ide4
 11:     167995          XT-PIC  ide2, eth0
 14:      39799          XT-PIC  ide0
 15:      10704          XT-PIC  ide1

The problems were weird. The fs I was copying from decided it was
corrupt. Unmounting the partition and trying an fsck reported that it
couldn't find the partition. After a reboot all was well and a fsck
reported no problems.

-- 
    Red herrings strewn hither and yon.
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