Zkus ještě dát výpis z dmesg:
1. Vysuň zařízení fyzicky z USB zdířky, otevři Terminál a zkopíruj do něj příkazycd /tmp; lsusb > lPred; dmesg > dPred
2. Pak zasuň do USB, chvíli (pár sekund) počkej, a pak znovu vlož příkazylsusb > lPo; dmesg > dPo
Všechny tyto příkazy zaznamenají do souborů Před a Po seznam usb zařízení (lsusb) a log kernelu (dmesg).
3. Porovnáme výpisy Před a Po zapojení zařízenídiff lPred lPo; diff dPred dPo
Údaje, které to vypíše (pokud nějaké), zkopíruj sem do fóra. Mělo by to vypadat asi takhle (např. pro USB flash):arrange@arrange-desktop:/tmp$ diff lPred lPo; diff dPred dPo
0a1
> Bus 005 Device 005: ID 3538:0054 Power Quotient International Co., Ltd
623a624,649
> [20622.252017] usb 5-4: new high speed USB device using ehci_hcd and address 5
> [20622.412419] usb 5-4: configuration #1 chosen from 1 choice
> [20622.545116] usbcore: registered new interface driver libusual
> [20622.567019] Initializing USB Mass Storage driver...
> [20622.572285] scsi4 : SCSI emulation for USB Mass Storage devices
> [20622.573615] usbcore: registered new interface driver usb-storage
> [20622.574754] USB Mass Storage support registered.
> [20622.575875] usb-storage: device found at 5
> [20622.575882] usb-storage: waiting for device to settle before scanning
> [20627.572224] usb-storage: device scan complete
> [20627.573918] scsi 4:0:0:0: Direct-Access Generic USB Flash Disk 0.00 PQ: 0 ANSI: 2
> [20627.577064] sd 4:0:0:0: [sdb] 1974271 512-byte hardware sectors (1011 MB)
> [20627.584473] sd 4:0:0:0: [sdb] Write Protect is off
> [20627.584480] sd 4:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [20627.584484] sd 4:0:0:0: [sdb] Assuming drive cache: write through
> [20627.588195] sd 4:0:0:0: [sdb] 1974271 512-byte hardware sectors (1011 MB)
> [20627.589447] sd 4:0:0:0: [sdb] Write Protect is off
> [20627.589454] sd 4:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [20627.589458] sd 4:0:0:0: [sdb] Assuming drive cache: write through
> [20627.590149] sdb: sdb1
> [20627.654783] sd 4:0:0:0: [sdb] Attached SCSI removable disk
> [20627.655361] sd 4:0:0:0: Attached scsi generic sg2 type 0
> [20628.328624] kjournald starting. Commit interval 5 seconds
> [20628.329012] EXT3-fs warning: maximal mount count reached, running e2fsck is recommended
> [20628.332471] EXT3 FS on sdb1, internal journal
> [20628.332483] EXT3-fs: mounted filesystem with ordered data mode.
arrange@arrange-desktop:/tmp$
Pro práci v Terminálu ho budeš muset otevřít a kopírovat do/z něj, pokud nevíš, jak na to, mrkni sem: http://wiki.ubuntu.cz/Termin%C3%A1l, hlavně část Spuštění a Kopírování textu.
ma@ubuntu:~$ cd /tmp; lsusb > lPred; dmesg > dPre
ma@ubuntu:/tmp$ lsusb > lPo; dmesg > dPo
diff lPred lPo; diff dPred dPo
ma@ubuntu:/tmp$ diff lPred lPo; diff dPred dPo
550a551,596
> [ 429.208082] usb 3-1: USB disconnect, address 2
> [ 429.209179] sd 2:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
> [ 429.209188] end_request: I/O error, dev sdb, sector 1986156
> [ 429.209197] Buffer I/O error on device sdb1, logical block 496478
> [ 429.209202] Buffer I/O error on device sdb1, logical block 496479
> [ 429.211572] Buffer I/O error on device sdb1, logical block 496478
> [ 429.211589] Buffer I/O error on device sdb1, logical block 496479
> [ 429.211650] Buffer I/O error on device sdb1, logical block 496576
> [ 429.211661] Buffer I/O error on device sdb1, logical block 496577
> [ 429.211673] Buffer I/O error on device sdb1, logical block 496576
> [ 429.211683] Buffer I/O error on device sdb1, logical block 496577
> [ 429.211776] Buffer I/O error on device sdb1, logical block 976
> [ 429.211788] Buffer I/O error on device sdb1, logical block 977
> [ 429.215988] sd 2:0:0:0: [sdb] READ CAPACITY failed
> [ 429.215994] sd 2:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
> [ 429.215999] sd 2:0:0:0: [sdb] Sense not available.
> [ 429.216660] sd 2:0:0:0: [sdb] Write Protect is off
> [ 429.216665] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [ 429.216669] sd 2:0:0:0: [sdb] Assuming drive cache: write through
> [ 429.218529] sd 2:0:0:0: [sdb] READ CAPACITY failed
> [ 429.218534] sd 2:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
> [ 429.218540] sd 2:0:0:0: [sdb] Sense not available.
> [ 429.218890] sd 2:0:0:0: [sdb] Write Protect is off
> [ 429.218894] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [ 429.218898] sd 2:0:0:0: [sdb] Assuming drive cache: write through
> [ 429.232173] sd 2:0:0:0: [sdb] READ CAPACITY failed
> [ 429.232182] sd 2:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
> [ 429.232189] sd 2:0:0:0: [sdb] Sense not available.
> [ 429.232568] sd 2:0:0:0: [sdb] Write Protect is off
> [ 429.232573] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [ 429.232576] sd 2:0:0:0: [sdb] Assuming drive cache: write through
> [ 429.233122] sd 2:0:0:0: [sdb] READ CAPACITY failed
> [ 429.233125] sd 2:0:0:0: [sdb] Result: hostbyte=DID_ERROR driverbyte=DRIVER_OK,SUGGEST_OK
> [ 429.233130] sd 2:0:0:0: [sdb] Sense not available.
> [ 429.233484] sd 2:0:0:0: [sdb] Write Protect is off
> [ 429.233488] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
> [ 429.233491] sd 2:0:0:0: [sdb] Assuming drive cache: write through
> [ 488.348035] usb 1-3: new high speed USB device using ehci_hcd and address 7
> [ 503.904030] usb 1-3: device not accepting address 7, error -110
> [ 504.016030] usb 1-3: new high speed USB device using ehci_hcd and address 8
> [ 519.572038] usb 1-3: device not accepting address 8, error -110
> [ 519.684102] usb 1-3: new high speed USB device using ehci_hcd and address 9
> [ 530.116036] usb 1-3: device not accepting address 9, error -110
> [ 530.228039] usb 1-3: new high speed USB device using ehci_hcd and address 10
> [ 540.660042] usb 1-3: device not accepting address 10, error -110
> [ 540.660782] hub 1-0:1.0: unable to enumerate USB device on port 3
ma@ubuntu:/tmp$