This is a discussion on CDR/W acts up with the 2.6 but not with the 2.4 kernel within the Slackware Linux Support forums, part of the Unix Operating Systems category; --> Hi, This is actually a combo drive it has DVD read only and it has CDR/W It always worked ...
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| Hi, This is actually a combo drive it has DVD read only and it has CDR/W It always worked fine in both Slack 10.2 and Slack current with 2.4 kernel. With 2.4 kernel in /etc/lilo.conf I ran: append="hdd=ide-scsi" I think it was /dev/sr0 with 2.4 kernel. I removed that append="hdd=ide-scsi line from lilo.conf for 2.6 kernel and ran /sbin/lilo Now in Slackware-current it acted up with the testing kernel 2.6.16.9 but then I got it working by changed the /dev/cdrom link and/.or edited /etc/fstab upgradepkg the testing kernel to the recent 2.6.16.16 now runs super. But the mentioned CDR/W combo unit now does not work once again. I don't know where to look now. Hopefully someone knows more than I and can share. Here's the error and dmesg: root@AB60R:~# !222 mount -t iso9660 /dev/cdrom /mnt/cdrom mount: block device /dev/cdrom is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/cdrom, missing codepage or other error In some cases useful info is found in syslog - try dmesg | tail or so root@AB60R:~# !240 mount -t iso9660 /dev/hdd /mnt/cdrom mount: block device /dev/hdd is write-protected, mounting read-only mount: wrong fs type, bad option, bad superblock on /dev/hdd, missing codepage or other error In some cases useful info is found in syslog - try dmesg | tail or so root@AB60R:~# dmesg | tail cdrom: hdd: mrw address space DMA selected attempt to access beyond end of device hdd: rw=0, want=68, limit=4 isofs_fill_super: bread failed, dev=hdd, iso_blknum=16, block=16 cdrom: hdd: mrw address space DMA selected attempt to access beyond end of device hdd: rw=0, want=68, limit=4 isofs_fill_super: bread failed, dev=hdd, iso_blknum=16, block=16 root@AB60R:~# -- abc alan_cu |
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| Alan_C <mtbr0228AT@sbcglobalDOT.net> writes: > Hi, > > This is actually a combo drive it has DVD read only and it has CDR/W [ . . ] > upgradepkg the testing kernel to the recent 2.6.16.16 now runs super. > > But the mentioned CDR/W combo unit now does not work once again. Doh! It appears that I got ahold of a bad CD disk. Inserted a known good cd disk and it works fine. Burned a cd and it works fine. (though a caution came up from I guess cdrecord about the 2.6 kernel) I wonder if this is all ironed out nowadays, cdrecord versus 2.6 kernel? Inserted the same cd disk that previously had error brings the same error. -- abc alan_cu |
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| On Tue, 16 May 2006 05:18:56 +0000, Alan_C wrote: >> But the mentioned CDR/W combo unit now does not work once again. > Doh! It appears that I got ahold of a bad CD disk. > Inserted a known good cd disk and it works fine. > Burned a cd and it works fine. (though a caution came up from I guess > cdrecord about the 2.6 kernel) I wonder if this is all ironed out > nowadays, cdrecord versus 2.6 kernel? Yeah it is. One think you don't have to use scsi-emulation with 2.6 kernels. With 10.2 I'd go to linuxpackages.net - Search on the term dvd... You'll get about 6-8 hits. Some aren't included and are necessary for burning DVD's. As far as k3b goes you can always check what is needed by drilling down into the kde menus... k3b > Settings > Configure > Programs That should be enough for you to iron out the niggles. Now myself I almost always compile k3b from source. Yes there have been buggy versions of k3b and cdrecord both. Before I do a compile I always do a backup and grab latest versions of cdrecord, etc I've been using k3b for years and years - Before Pat included it and before it was widely known. While I've had problems a time or two with the precompiled binary, the compiled version works smooth as silk with maybe exceptions 1-2 times out of 20. |