Probleme baladeur USB

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Author: Pierre Colobert
Date:  
To: guilde
Subject: Probleme baladeur USB
Bonjour

Ma fille a un balladeur mp4 esentiel B crazy pop II, qui n'est pas géré correctement par nos pc Linux (Archlinux 64b à jour).

suivant la sortie de dmesg , c'est bien un périphérique USB Mass Storage, mais il se déconnecte avant d'être utilisable et recommence son cycle de reconnaissance (voir sortie de dmesg ci dessous), je l'ai aussi testé sur windows 7 (64b) , le problème est y est moindre en effet après plusieurs échecs j'ai pu y transférer des fichiers.

Je me demandais donc si il n'y avait pas un moyen de gerder le périphérique et prévenir les déconnections.

Meric
Pierre

sortie dmesg :

[  103.889660] usb 2-1.3: new high-speed USB device number 4 using ehci-pci
[  116.693245] usb 2-1.3: new high-speed USB device number 5 using ehci-pci
[  116.779182] usb-storage 2-1.3:1.0: USB Mass Storage device detected
[  116.779454] scsi host7: usb-storage 2-1.3:1.0
[  117.827833] scsi 7:0:0:0: Direct-Access     actions  media-player     0100 PQ: 0 ANSI: 0 CCS
[  117.828436] scsi 7:0:0:1: Direct-Access     actions  media-player     0100 PQ: 0 ANSI: 0 CCS
[  117.833247] sd 7:0:0:0: [sdh] 3720856 2048-byte logical blocks: (7.62 GB/7.09 GiB)
[  117.834241] sd 7:0:0:0: [sdh] Write Protect is off
[  117.834247] sd 7:0:0:0: [sdh] Mode Sense: 00 12 00 00
[  117.835239] sd 7:0:0:0: [sdh] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
[  117.838656] sd 7:0:0:1: [sdi] Attached SCSI removable disk
[  117.839668] sd 7:0:0:0: [sdh] 3720856 2048-byte logical blocks: (7.62 GB/7.09 GiB)
[  117.841928]  sdh:
[  117.843248] sd 7:0:0:0: [sdh] 3720856 2048-byte logical blocks: (7.62 GB/7.09 GiB)
[  117.844510] sd 7:0:0:0: [sdh] Attached SCSI removable disk
[  138.436650] usb 2-1.3: USB disconnect, device number 5
[  138.442446] sd 7:0:0:0: [sdh]  
[  138.442451] Result: hostbyte=0x01 driverbyte=0x00
[  138.442454] sd 7:0:0:0: [sdh] CDB: 
[  138.442455] cdb[0]=0x28: 28 00 00 00 00 20 00 00 60 00 00 00
[  138.442474] blk_update_request: I/O error, dev sdh, sector 128
[  145.914577] usb 2-1.3: new high-speed USB device number 6 using ehci-pci
[  168.673636] usb 2-1.3: new high-speed USB device number 7 using ehci-pci
[  168.759256] usb-storage 2-1.3:1.0: USB Mass Storage device detected
[  168.759566] scsi host8: usb-storage 2-1.3:1.0