From: Paul D. <pau...@ve...> - 2001-06-28 08:42:46
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Greetings, My apologies if this request for assistance violates list rules. I am trying to make an accurate copy of a data CD. My solution to this error: ... Cannot read CD-TEXT data - maybe not supported by drive. was to use the --read-raw option. As expected, L-EC errors are ignored with this option, but each error seems to stall the the CD drive, causing the CD-ROM to spin down (but, not to a complete stop). As these errors are periodic and frequent, the CD-ROM never gets going, and the process of copying the original to local .bin file is very slow. I received approx. 200MB in over 30min. A "L-EC error" messages succeeds each disk slow down, about one every 2 seconds. (See below for two attempts.) I have experienced this reading from both original media and CD-R burned media. I assume L-EC errors have to do with the CD-R drive and driver, not real format or physical errors on the media. Question: should L-EC errors stall the CD-ROM drive during a read? Is this just happening to me? System Info -- CD-R Drive: Ricoh IDE CD-R/RW RW7080A Rev: 1.3 [pdestefa@mouse cdrdao-1.1.5]$ uname -a Linux mouse 2.4.3-20mdksmp #1 SMP Sun Apr 15 22:32:27 CEST 2001 i686 unknown Thank you for you help, Paul DeStefano [root@mouse cdrdao-1.1.5.bin.x86.linux]# ./cdrdao read-cd --read-raw --device "0,0,0" --driver generic-mmc --datafile /tmp/tu.bin /tmp/ut.toc Cdrdao version 1.1.5 - (C) Andreas Mueller <an...@da...> SCSI interface library - (C) Joerg Schilling L-EC encoding library - (C) Heiko Eissfeldt Paranoia DAE library - (C) Monty Check http://cdrdao.sourceforge.net/drives.html#dt for current driver tables. Using libscg version 'schily-0.5' 0,0,0: CD-R/RW RW7080A Rev: 1.30 Using driver: Generic SCSI-3/MMC - Version 1.2 (options 0x0000) Reading toc and track data... Track Mode Flags Start Length ------------------------------------------------------------ 1 DATA 4 00:00:00( 0) 71:49:35(323210) Leadout DATA 4 71:49:35(323210) Copying data track 1 (MODE1_RAW): start 00:00:00, length 71:49:35 to "/tmp/tu.bin"... WARNING: Found L-EC error at sector 814 - ignored. WARNING: Found L-EC error at sector 818 - ignored. WARNING: Found L-EC error at sector 835 - ignored. WARNING: Found L-EC error at sector 840 - ignored. WARNING: Found L-EC error at sector 845 - ignored. WARNING: Found L-EC error at sector 866 - ignored. WARNING: Found L-EC error at sector 893 - ignored. [root@mouse cdrdao-1.1.5.bin.x86.linux]# ./cdrdao read-cd --read-raw --device "0,0,0" --driver generic-mmc-raw --datafile /tmp/tu.bin /tmp/ut.toc Cdrdao version 1.1.5 - (C) Andreas Mueller <an...@da...> SCSI interface library - (C) Joerg Schilling L-EC encoding library - (C) Heiko Eissfeldt Paranoia DAE library - (C) Monty Check http://cdrdao.sourceforge.net/drives.html#dt for current driver tables. Using libscg version 'schily-0.5' 0,0,0: CD-R/RW RW7080A Rev: 1.30 Using driver: Generic SCSI-3/MMC (raw writing) - Version 2.0 (options 0x0000) Reading toc and track data... Track Mode Flags Start Length ------------------------------------------------------------ 1 DATA 4 00:00:00( 0) 71:49:35(323210) Leadout DATA 4 71:49:35(323210) Copying data track 1 (MODE1_RAW): start 00:00:00, length 71:49:35 to "/tmp/tu.bin"... WARNING: Found L-EC error at sector 814 - ignored. WARNING: Found L-EC error at sector 818 - ignored. WARNING: Found L-EC error at sector 835 - ignored. |