[arch-general] CDROM cannot mount

[Jan de Groot]

On Mon, 2010-02-01 at 12:26 +0200, Thanos Zygouris wrote:
> Hi gyus,
> i got a problem...(do not know how/when did it started though).
> I cannot mount CD roms...(i do not speak about automounting)
> Here is what "dmesg" tells:
> 
> sr 5:0:0:0: [sr0] Unhandled sense code
> sr 5:0:0:0: [sr0] Result: hostbyte=0x00 driverbyte=0x08
> sr 5:0:0:0: [sr0] Sense Key : 0x4 [current]
> sr 5:0:0:0: [sr0] ASC=0x3e ASCQ=0x2
> sr 5:0:0:0: [sr0] CDB: cdb[0]=0x28: 28 00 00 00 e6 2a 00 00 02 00
> end_request: I/O error, dev sr0, sector 235688
> Buffer I/O error on device sr0, logical block 29461
> 
> I got more or less the same problem with almost all my data cds (i do not
> use audio ones)
> Also, i cannot even mount them manually (via mount /dev/cdrom0 <dir> or
> /dev/sr0/ <dir>)
> But one or two, mounts normally. (I use pcmanfm as a file manager, and yes i
> have ck-launch-session in my .xinitrc)
> The strange thing is that all of them can be mounted under Windows XP
> SP3...so it's not a hardware problem.
> Looked through Archlinux forums, but found nothing that i could use...
> Any clues?
> 
> P.S.1 : Most of the CDs are bootable ones, writen with "cdrecord -v speed=8
> dev=/dev/scd0 -data -tao -multi". They boot normally though.
> 
> -- Beware of he who would deny you access to information, for in his heart
> he dreams himself your master.

First, try stopping hal, this could be a polling issue that freaks out
your drive. If that doesn't work out, please give more details about
your system:
- SATA? IDE?
- What chipset
- What recorder