Hi everybody,
All of a sudden, my CD writer refuses to work properly (it has been
working just fine until now, for at least 18 months or so).
Platform:
RH7.3 on Pentium III 866 Mhz, different variations of RH's 2.4.18
(2.4.18-{5,10,18.7.x}), cdrecord-1.10-11.
Symptoms:
# cdrecord -v speed=4 dev=0,0,0 -data rh.iso
Cdrecord 1.10 (i686-pc-linux-gnu) Copyright (C) 1995-2001 Jorg Schilling
TOC Type: 1 = CD-ROM
scsidev: '0,0,0'
scsibus: 0 target: 0 lun: 0
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.5'
atapi: 1
Device type : Removable CD-ROM
Version : 0
Response Format: 1
Vendor_info : 'RICOH '
Identifikation : 'CD-R/RW MP7120A '
Revision : '1.20'
Device seems to be: Generic mmc CD-RW.
Using generic SCSI-3/mmc CD-R driver (mmc_cdr).
Driver flags : SWABAUDIO
FIFO size : 4194304 = 4096 KB
Track 01: data 623 MB
Total size: 715 MB (70:54.74) = 319106 sectors
Lout start: 716 MB (70:56/56) = 319106 sectors
cdrecord: Input/output error. test unit ready: scsi sendcmd: no error
CDB: 00 00 00 00 00 00
status: 0x2 (CHECK CONDITION)
Sense Bytes: 70 00 02 00 00 00 00 0C 00 00 00 00 3A 00 00 00
Sense Key: 0x2 Not Ready, Segment 0
Sense Code: 0x3A Qual 0x00 (medium not present) Fru 0x0
Sense flags: Blk 0 (not valid)
cmd finished after 0.001s timeout 40s
cdrecord: No disk / Wrong disk!
It does seem that there is nothing wrong with cdrecord or kernel:
cdrecord is talking to the device, also
# cdrecord -scanbus
Cdrecord 1.10 (i686-pc-linux-gnu) Copyright (C) 1995-2001 Jorg Schilling
Linux sg driver version: 3.1.24
Using libscg version 'schily-0.5'
scsibus0:
0,0,0 0) 'RICOH ' 'CD-R/RW MP7120A ' '1.20' Removable CD-ROM
0,1,0 1) *
0,2,0 2) *
0,3,0 3) *
0,4,0 4) *
0,5,0 5) *
0,6,0 6) *
0,7,0 7) *
Here is the list of loaded modules, which may be relevant:
# /sbin/lsmod
Module Size Used by Not tainted
sr_mod 16056 0 (autoclean)
sb 8992 0 (autoclean)
sb_lib 39456 0 (autoclean) [sb]
uart401 7744 0 (autoclean) [sb_lib]
sound 69388 0 (autoclean) [sb_lib uart401]
soundcore 6212 5 (autoclean) [sb_lib sound]
tdfx 37656 1
agpgart 40256 0 (unused)
binfmt_misc 7236 1
autofs 11172 0 (autoclean) (unused)
3c59x 28328 1
ide-scsi 9376 0
scsi_mod 104848 2 [sr_mod ide-scsi]
ide-cd 30144 0
cdrom 31936 0 [sr_mod ide-cd]
usb-uhci 24324 0 (unused)
usbcore 71072 1 [usb-uhci]
ext3 64800 5
jbd 47892 5 [ext3]
Nor can I read a CD from the drive, seemingly for the same reason:
# mount /dev/cdrom1 /mnt/cdrom1
mount: block device /dev/cdrom1 is write-protected, mounting read-only
mount: No medium found
Is it a problem with the optical system? What can I check? Is there a
way to clean it or something? Any pointers? I'd like to avoid buying a
new CD writer if I can.
I STFWed, of course, saw quite a few complaints, but no useful
diagnostics procedure or pointers to solutions.
Thanks,
--
Oleg Goldshmidt | [EMAIL PROTECTED]
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