Unable to access CDROM device to play music

Carmel carmel_ny at hotmail.com
Tue Nov 30 10:36:30 UTC 2010


On Mon, 29 Nov 2010 20:01:02 -0500
Nikolai Wendorf <nikolaiw at embarqmail.com> articulated:

> All,
> 
> I was getting exactly this same error following a fresh 8.1 load
> 
> Sep 25 07:51:22 cyborg kernel: acd0: FAILURE - READ_BIG ILLEGAL
> REQUEST asc=0x64 ascq=0x00 Sep 25 07:51:22 cyborg kernel:
> (cd0:ata1:0:0:0): READ(10). CDB: 28 0 0 0 0 0 0 0 40 0 Sep 25
> 07:51:22 cyborg kernel: (cd0:ata1:0:0:0): CAM status: SCSI Status
> Error Sep 25 07:51:22 cyborg kernel: (cd0:ata1:0:0:0): SCSI status:
> Check Condition Sep 25 07:51:22 cyborg kernel: (cd0:ata1:0:0:0): SCSI
> sense: ILLEGAL REQUEST asc:64,0 (Illegal mode for this track) Sep 25
> 07:51:22 cyborg kernel: (cd0:ata1:0:0:0): cddone: got error 0x6 back
> 
> the solution was explained in the gnome install FAQ - here is a clip
> - the devfs.conf changes fixed the problem.
> 
> To figure out which CD/DVD drive you will be using, run the following 
> command as root:
> 
> # camcontrol devlist
> 
> 
> Your output will look similar to the following:
> 
> <QSI CDRW/DVD SBW-242 UD22>       at scbus1 target 0 lun 0 (cd0,pass0)
> 
> 
> The devices in parentheses at the end are important. You must make
> sure the /dev entries for those devices are writable by the users
> that will be using brasero, totem, rhythmbox, or sound-juicer. In
> addition to those devices, /dev/xpt* must also be writable to your
> brasero, totem, rhythmbox, and sound-juicer users. The
> following /etc/devfs.conf configuration will achieve the desired
> results given the above devlist:
> 
> perm    cd0     0666
> perm    xpt0    0666
> perm    pass0   0666

I made those modifications a long time ago without success.

# camcontrol devlist
<PHILIPS DVD8801 GW02>             at scbus1 target 0 lun 0 (pass0,cd0)
<Generic USB SD Reader 1.00>       at scbus2 target 0 lun 0 (pass1,da0)
<Generic USB CF Reader 1.01>       at scbus2 target 0 lun 1 (pass2,da1)
<Generic USB SM Reader 1.02>       at scbus2 target 0 lun 2 (pass3,da2)
<Generic USB MS Reader 1.03>       at scbus2 target 0 lun 3 (pass4,da3)

# cat /etc/devfs.conf

<snippet>

perm	cd0	0666
perm	acd0	0666
perm	xpt0	0666
perm	pass0	0666
perm	pass1	0666
perm	pass2	0666
perm	pass3	0666
perm	pass4	0666


-- 
Carmel ✌
carmel_ny at hotmail.com

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