gilbert@gilbert-desktop:~$ dmesg | tail -20 [33522.734804] usb 1-6: USB disconnect, address 9 [33625.913022] usb 1-6: new high speed USB device using ehci_hcd and address 10 [33626.048910] usb 1-6: configuration #1 chosen from 1 choice [33626.054536] scsi10 : SCSI emulation for USB Mass Storage devices [33626.055317] usb-storage: device found at 10 [33626.055320] usb-storage: waiting for device to settle before scanning [33631.053125] usb-storage: device scan complete [33631.053727] scsi 10:0:0:0: Direct-Access Multi Flash Reader 1.00 PQ: 0 ANSI: 0 [33631.055714] sd 10:0:0:0: [sdb] Attached SCSI removable disk [33631.055787] sd 10:0:0:0: Attached scsi generic sg2 type 0 [33661.199976] usb 1-6: USB disconnect, address 10 [44453.772014] usb 1-6: new high speed USB device using ehci_hcd and address 11 [44453.906343] usb 1-6: configuration #1 chosen from 1 choice [44453.906621] scsi11 : SCSI emulation for USB Mass Storage devices [44453.906782] usb-storage: device found at 11 [44453.906784] usb-storage: waiting for device to settle before scanning [44458.905177] usb-storage: device scan complete [44458.905788] scsi 11:0:0:0: Direct-Access Multi Flash Reader 1.00 PQ: 0 ANSI: 0 [44458.911274] sd 11:0:0:0: [sdb] Attached SCSI removable disk [44458.911334] sd 11:0:0:0: Attached scsi generic sg2 type 0 gilbert@gilbert-desktop:~$ merci pour la réponse voici ce que j'ai <div class="gmail_quote"> Le 8 juin 2009 20:54, Michel Leunen <<a href="mailto:ml@leunen.com">ml@leunen.com</a>> a écrit : <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> gilbert vassas a écrit : > auriez vous une idée ? Il y a plusieurs rapport de bug dans launchpad concernant les produits Alcor Micro. A mon avis, tu vas devoir attendre une mise à jour. Insère ton lecteur dans un port usb et juste après fais un : $ dmesg | tail -20 Poste le résultat ici. -- Michel Leunen <a href="http://linux.leunen.com" target="_blank">http://linux.leunen.com</a> -- ubuntu-fr mailing list <a href="mailto:ubuntu-fr@lists.ubuntu.com">ubuntu-fr@lists.ubuntu.com</a> <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-fr" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-fr</a> </blockquote></div>