On Thu, May 24, 2007 at 02:13:06AM +0100, Raymond Meyer wrote:
> The following error messages got logged, I'm not sure what they mean:
> 
> May 22 17:19:39 ultra10 /netbsd: SENSE KEY:  Illegal Request
> May 22 17:19:39 ultra10 /netbsd: ASC/ASCQ:  Illegal Field in CDB
> May 22 17:19:39 ultra10 /netbsd: SKSV:  Error in CDB, Offset 9
> May 22 17:19:39 ultra10 /netbsd:
> May 22 17:19:39 ultra10 /netbsd: cd0(cmdide0:1:0):  Check Condition on CDB: 0x28
>  00 00 00 00 00 00 00 01 00
> May 22 17:19:39 ultra10 /netbsd: SENSE KEY:  Illegal Request
> May 22 17:19:39 ultra10 /netbsd: ASC/ASCQ:  Illegal Mode For This Track
> May 22 17:19:39 ultra10 /netbsd:
> May 22 17:19:39 ultra10 /netbsd: cd0: disk label read error
> May 22 17:19:39 ultra10 /netbsd: cd0(cmdide0:1:0):  Check Condition on CDB: 0x43
>  00 00 00 00 00 00 00 0c 40
> May 22 17:19:39 ultra10 /netbsd: SENSE KEY:  Illegal Request
> May 22 17:19:39 ultra10 /netbsd: ASC/ASCQ:  Illegal Field in CDB
> May 22 17:19:39 ultra10 /netbsd: SKSV:  Error in CDB, Offset 9
> May 22 17:19:39 ultra10 /netbsd:
> May 22 18:36:17 ultra10 /netbsd: cmdide0:1:0: lost interrupt
> May 22 18:36:17 ultra10 /netbsd: type: atapi tc_bcount: 65536 tc_skip: 0
> May 22 18:36:17 ultra10 /netbsd: cmdide0:1:0: bus-master DMA error: missing inte
> rrupt, status=0x21
> May 22 20:24:33 ultra10 /netbsd: cd0(cmdide0:1:0):  Check Condition on CDB: 0x28
>  00 00 00 06 98 00 00 01 00
> May 22 20:24:33 ultra10 /netbsd: SENSE KEY:  Unit Attention
> May 22 20:24:33 ultra10 /netbsd: ASC/ASCQ:  Not Ready To Ready Transition (Mediu
> m May Have Changed)

I'm not sure which one you got while using /dev/cd0c, but it's possible that
/dev/cd0c can't be opened with no media or a blank media in the drive.
/dev/rcd0c should always work.

-- 
Manuel Bouyer, LIP6, Universite Paris VI.           Manuel.Bouyer@lip6.fr
     NetBSD: 26 ans d'experience feront toujours la difference
--