On Jan 15, Johan Danielsson wrote
> 
> On an Intel motherboard with a Mitsumi CD-R on the primary IDE
> channel:
> 
> # disklabel cd0
> pciide0:0:0: lost interrupt
> 	type atapi
> 	c_bcount: 32
> 	c_skip: 0
> (repeats forever)
> 
> works fine in W98, as does connecting another CD-ROM. It makes no
> difference if I use wdc instead of pciide.
> 

Could you try to add some debbuging printf's in cdopen()
(file sys/dev/scsipi/cd.c) to see which SCSI command is failing ?
Maybe your drive just can't handle one of these commands ...

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