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View Full Version : [ubuntu] Can't creae a LiveCD to save my iso



watchpocket
June 21st, 2010, 06:13 PM
Using first Brasero, then K3b, I burned (several times) the torrent "ubuntu-10.04-desktop-amd64.iso" to a TDK 700MB 80min CD-R with (a possibly unsupported) write speed of 4x (the only "supported" speed was 40x), then to a Memorex 700MB 80min CD-R using slowest supported write speed of 8x.

Finished "successfully," in every case, but then got this trying to mount both CD-Rs:

Unable to mount Ubuntu 10.04 LTS amd64

Error mounting: mount exited with exit code 32:
mount: block device /dev/sr0 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sr0, missing codepage or helper program, or other error

In some cases useful info is found in syslog - try
dmesg | tail or so


--> dmesg | tail
[ 490.420005] ata2: link is slow to respond, please be patient (ready=0)
[ 520.080006] ata2: COMRESET failed (errno=-16)
[ 520.080012] ata2: limiting SATA link speed to 1.5 Gbps
[ 520.080014] ata2: hard resetting link
[ 525.090005] ata2: COMRESET failed (errno=-16)
[ 525.090010] ata2: reset failed, giving up
[ 525.090012] ata2.00: disabled
[ 525.090029] ata2: EH complete
[ 525.090123] isofs_fill_super: bread failed, dev=sr0, iso_blknum=16, block=16
[ 1651.852079] ath5k phy0: unsupported jumboSo, how can I:

(a) un-write-protect device /dev/sr0 (if that in fact is the right thing to do);
(b) make sure the right fs type is used;
(c) make the bad option and bad superblock good; and
(d) find the missing codepage or help program?