Hi,
You're not alone with this problem, there is a thread "ATAPI + cdwriter problem", that is somewhat related - I originally blamed the controller, (also a Promise one), but then thought it was something else. Now I'm not so sure. You might want to look at that thread, though.
John.
> Hi folks,
>
> when booting 2.5.25 it seems that every operation to my Promise Ultra100TX2
> controller attached disks ends up in having lost interrupts (lost interrupt;
> pdc202xx: Primary channel reset etc. etc.). Even the partition table
> detection of the disks takes forever (but it does get detected though).
>
> I've 2 of those U100TX2 controllers in my machine. I can't tell where in the
> 2.5 series this problem was introduced since there was some breakage for the
> MD drivers in the late 2.5 series. 2.4 kernels run fine though.
>
> I noticed that kernel 2.5.25 binds all 4 Promise IDE controllers to IRQ 16,
> while 2.4.18 uses a different IRQ for every board.
>
>
> 2.4.18: (works fine)
> ide2 at 0xa800-0xa807,0xac02 on irq 17
> ide3 at 0xb000-0xb007,0xb402 on irq 17
> ide4 at 0xbc00-0xbc07,0xc002 on irq 18
> ide5 at 0xc400-0xc407,0xc802 on irq 18
>
>
> 2.5.25: (lost interrupts)
> ide2 at 0xa800-0xa807,0xac02 on irq 16
> ide3 at 0xb000-0xb007,0xb402 on irq 16
> ide4 at 0xbc00-0xbc07,0xc002 on irq 16
> ide5 at 0xc400-0xc407,0xc802 on irq 16
>
>
> Any clues?
>
> Frank.
>
> --
> +---- --- -- - - - -
> | Frank van de Pol -o) A-L-S-A
> | FvdPol@home.nl /\\ Sounds good!
> | http://www.alsa-project.org _\_v
> | Linux - Why use Windows if we have doors available?
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This archive was generated by hypermail 2b29 : Mon Jul 15 2002 - 22:00:14 EST