On Jan 25, Patrick Welche wrote
> After replacing a presumed defective cd-rom drive which incidentally used
> PIO mode 3, I still get lost interrupts (i386) - will try yet another cd-rom
> drive later...

Could be that this drive doesn't support the REQUEST SENSE command.
Could you try to add a ADEV_NOSENSE quirk entry for your drive in
sys/dev/scsipi/atapiconf.c ?

--
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
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