(cc'ing linux-ide) Nick Warne wrote: > Hi all, > > Very strange issue. I recently bought a new machine that came with a > CD/DVD burner. All functions normally, except I cannot play audio CD. > > Information: > > Slackware 12.1 running latest stable kernel 2.6.26.5 > > The drive is: > > Vendor : Optiarc > Model : DVD RW AD-7200A > Revision : 1.06 > > Now, I have another drive (I purchased last year) that could play audio > CD, so I installed that as master, and put the new drive as slave > (old->hda new->hdb). The old(er) drive can and does play audio OK. > > I see this in /proc/sys/dev/cdrom/info: > > drive name: hdb hda > drive speed: 48 48 > drive # of slots: 1 1 > Can close tray: 1 1 > Can open tray: 1 1 > Can lock tray: 1 1 > Can change speed: 1 1 > Can select disk: 0 0 > Can read multisession: 1 1 > Can read MCN: 1 1 > Reports media changed: 1 1 > Can play audio: 0 1 > Can write CD-R: 1 1 > Can write CD-RW: 1 1 > Can read DVD: 1 1 > Can write DVD-R: 1 1 > Can write DVD-RAM: 1 1 > Can read MRW: 1 1 > Can write MRW: 1 1 > Can write RAM: 1 1 > > log/messages: > Oct 4 09:27:01 sauron kernel: hda: UDMA/66 mode selected > Oct 4 09:27:01 sauron kernel: hdb: UDMA/66 mode selected > Oct 4 09:27:01 sauron kernel: hda: ATAPI 48X DVD-ROM DVD-R-RAM CD-R/RW > drive, 2048kB Cache > Oct 4 09:27:01 sauron kernel: Uniform CD-ROM > driver Revision: 3.20 > Oct 4 09:27:01 sauron kernel: hdb: ATAPI 48X > DVD-ROM DVD-R-RAM CD-R/RW drive, 2048kB Cache > > /log/syslog > Oct 4 09:27:01 sauron kernel: hda: TSSTcorp CDDVDW SH-S202J, ATAPI > CD/DVD-ROM drive > Oct 4 09:27:01 sauron kernel: hdb: Optiarc DVD RW > AD-7200A, ATAPI CD/DVD-ROM drive > > > I have investigated this, but can't find any information at all - there > are very few hits doing a search, but relevant pages I found are: > > D. Bray filled a very verbose bug report of a similar issue: > http://lists.debian.org/debian-user/2008/09/msg01696.html > > A Gentoo user with the same drive reports another issue, but his CDROM > info dump also reports this model cannot play audio CDs: > http://bugs.gentoo.org/show_bug.cgi?id=218413 > > A Ubuntu user with the same drive also rpeorts audio CDs cannot be > played: > http://ubuntuforums.org/showthread.php?t=675812 > > > Myself and D. Bray had a discussion on this, and we both feel this > could be a kernel issue. > > I would be able to debug this issue if required. Can you try libata driver and see whether anything is different? -- tejun -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
