I accidently deleted sr0, now I can't recover cd access
Wayne Schuller
k_wayne at linuxpower.org
Wed Dec 3 04:34:52 UTC 2003
hi,
I foolishly deleted /dev/sr0, and lost access to my cd burner.
I googled around and recreated the device by doing:
mknod /dev/sr0 b 11 0
I then recreated the symbolic cdrom link:
ln -s /dev/sr0 /dev/cdrom
But I cannot mount the cdrom anymore... I get a bunch of strange kernel
errors on /var/log/messages:
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 64
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 487940
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486916
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486692
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 487932
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486908
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486684
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 487340
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486316
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486092
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 487332
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486308
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 486084
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 400384
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399360
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399136
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 400376
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399352
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399128
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399784
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 398760
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 398536
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 399776
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 398752
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 398528
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 1248
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 1024
Dec 3 15:30:39 toottoot kernel: UDF-fs: No partition found (1)
Dec 3 15:30:39 toottoot kernel: I/O error: dev 0b:00, sector 64
Dec 3 15:30:39 toottoot kernel: isofs_read_super: bread failed,
dev=0b:00, iso_blknum=16, block=16
For what it is worth, my /etc/fstab contains:
/dev/cdrom /mnt/cdrom udf,iso9660
noauto,owner,kudzu,ro 0 0
and /dev/scd0 is:
[schuller at toottoot schuller]$ ls /dev/scd0
brw-rw-- 1 root disk 11, 0 Sep 15 23:40 /dev/scd0
When I boot up, it detects the cdrom as normal though:
Dec 3 15:20:01 toottoot kernel: hdd: attached ide-scsi driver.
Dec 3 15:20:01 toottoot kernel: scsi0 : SCSI host adapter emulation for
IDE ATAPI devices
Dec 3 15:20:01 toottoot kernel: Vendor: CyberDrv Model: CW038D
CD-R/RW Rev: 120C
Dec 3 15:20:01 toottoot kernel: Type:
CD-ROM ANSI SCSI revision: 02
Dec 3 15:20:01 toottoot kernel: Attached scsi CD-ROM sr0 at scsi0,
channel 0, id 0, lun 0
Dec 3 15:20:01 toottoot kernel: sr0: scsi3-mmc drive: 32x/40x writer
cd/rw xa/form2 cdda tray
Dec 3 15:20:01 toottoot kernel: Uniform CD-ROM driver Revision: 3.12
Can anyone help? I can't find any help on google.
I don't want to reinstall the whole OS just to get the cd working.
thanks,
wayne
--
Wayne Schuller <k_wayne at linuxpower.org>
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