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From: Dadou <didier.descamps@gmail.com>
Newsgroups: fr.comp.os.linux.configuration
Subject: Re: vieux DVD illisible ?
Date: Thu, 26 Dec 2024 18:03:45 +0100
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Le 26/12/2024 à 02:09, Jo Engo a écrit :
> dd if=/dev/sr0 of=image.iso et travaille sur l'image (sur laquelle,

didier@terres:~$ dd if=/dev/sr0 of=image.iso
9191552+0 enregistrements lus
9191552+0 enregistrements écrits
4706074624 octets (4,7 GB, 4,4 GiB) copiés, 373,774 s, 12,6 MB/s

didier@terres:~$ sudo mount image.iso toto -t iso9660 -o loop
[sudo] Mot de passe de didier :
mount: /home/didier/toto: wrong fs type, bad option, bad superblock on 
/dev/loop53, missing codepage or helper program, or other error.
didier@terres:~$

didier@terres:~$ dmesg
[..............................................]
rror (device sr0): udf_load_sparable_map: error loading logical volume 
descriptor: Too big sparing table size (98304)
[63406.102991] UDF-fs: Scanning with blocksize 2048 failed
[63406.370392] UDF-fs: warning (device sr0): udf_load_vrs: No anchor found
[63406.370394] UDF-fs: Scanning with blocksize 4096 failed
[63406.370395] UDF-fs: warning (device sr0): udf_fill_super: No 
partition found (1)
[63949.146315] ISOFS: Unable to identify CD-ROM format.
didier@terres:~$

Céramicalement,
Didier.
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