chip marked: PL-2507 05411c lsusb Bus 005 Device 018: ID 067b:2507 Prolific Technology, Inc. PL2507 Hi-speed USB to IDE bridge controller Device Descriptor: bLength 18 bDescriptorType 1 bcdUSB 2.00 bDeviceClass 0 (Defined at Interface level) bDeviceSubClass 0 bDeviceProtocol 0 bMaxPacketSize0 64 idVendor 0x067b Prolific Technology, Inc. idProduct 0x2507 PL2507 Hi-speed USB to IDE bridge controller bcdDevice 1.00 iManufacturer 1 iProduct 2 iSerial 0 bNumConfigurations 1 Configuration Descriptor: bLength 9 bDescriptorType 2 wTotalLength 32 bNumInterfaces 1 bConfigurationValue 1 iConfiguration 0 bmAttributes 0xc0 Self Powered MaxPower 100mA Interface Descriptor: bLength 9 bDescriptorType 4 bInterfaceNumber 0 bAlternateSetting 0 bNumEndpoints 2 bInterfaceClass 8 Mass Storage bInterfaceSubClass 6 SCSI bInterfaceProtocol 80 Bulk (Zip) iInterface 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x01 EP 1 OUT bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Endpoint Descriptor: bLength 7 bDescriptorType 5 bEndpointAddress 0x82 EP 2 IN bmAttributes 2 Transfer Type Bulk Synch Type None Usage Type Data wMaxPacketSize 0x0200 1x 512 bytes bInterval 0 Jan 12 11:21:24 ubuntu-desktop kernel: [51977.300028] usb 5-8: new high speed USB device using ehci_hcd and address 18 Jan 12 11:21:24 ubuntu-desktop kernel: [51977.438543] usb 5-8: configuration #1 chosen from 1 choice Jan 12 11:21:24 ubuntu-desktop kernel: [51977.439392] scsi18 : SCSI emulation for USB Mass Storage devices Jan 12 11:21:29 ubuntu-desktop kernel: [51982.440818] scsi 18:0:0:0: Direct-Access WDC WD32 00JS-60PDB0 21.0 PQ: 0 ANSI: 0 Jan 12 11:21:29 ubuntu-desktop kernel: [51982.452052] sd 18:0:0:0: [sdf] 625142448 512-byte hardware sectors (320073 MB) Jan 12 11:21:29 ubuntu-desktop kernel: [51982.452917] sd 18:0:0:0: [sdf] Write Protect is off Jan 12 11:21:29 ubuntu-desktop kernel: [51982.454170] sd 18:0:0:0: [sdf] 625142448 512-byte hardware sectors (320073 MB) Jan 12 11:21:29 ubuntu-desktop kernel: [51982.455417] sd 18:0:0:0: [sdf] Write Protect is off Jan 12 11:21:29 ubuntu-desktop kernel: [51982.456069] sdf: sdf1 sdf2 sdf3 sdf4 Jan 12 11:21:29 ubuntu-desktop kernel: [51982.482960] sd 18:0:0:0: [sdf] Attached SCSI disk Jan 12 11:21:29 ubuntu-desktop kernel: [51982.483481] sd 18:0:0:0: Attached scsi generic sg7 type 0 Jan 12 11:21:30 ubuntu-desktop kernel: [51983.157242] kjournald starting. Commit interval 5 seconds Jan 12 11:21:30 ubuntu-desktop kernel: [51983.162915] EXT3 FS on sdf1, internal journal Jan 12 11:21:30 ubuntu-desktop kernel: [51983.163224] EXT3-fs: mounted filesystem with ordered data mode. Jan 12 11:21:30 ubuntu-desktop kernel: [51983.259641] kjournald starting. Commit interval 5 seconds Jan 12 11:21:30 ubuntu-desktop kernel: [51983.260312] EXT3 FS on sdf2, internal journal Jan 12 11:21:30 ubuntu-desktop kernel: [51983.260322] EXT3-fs: mounted filesystem with ordered data mode. Jan 12 11:21:30 ubuntu-desktop kernel: [51983.557935] kjournald starting. Commit interval 5 seconds Jan 12 11:21:30 ubuntu-desktop kernel: [51983.565944] EXT3 FS on sdf4, internal journal Jan 12 11:21:30 ubuntu-desktop kernel: [51983.566269] EXT3-fs: mounted filesystem with ordered data mode. Jan 12 11:23:26 ubuntu-desktop kernel: [52099.629341] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:23:27 ubuntu-desktop kernel: [52099.981550] sd 18:0:0:0: [sdf] Sense Key : No Sense [current] Jan 12 11:23:27 ubuntu-desktop kernel: [52099.981564] sd 18:0:0:0: [sdf] Add. Sense: No additional sense information Jan 12 11:23:57 ubuntu-desktop kernel: [52130.092026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:24:27 ubuntu-desktop kernel: [52160.336041] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:24:57 ubuntu-desktop kernel: [52190.600046] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:25:27 ubuntu-desktop kernel: [52220.864035] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:25:58 ubuntu-desktop kernel: [52251.128025] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.396026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545335] sd 18:0:0:0: [sdf] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OK Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545354] __ratelimit: 18 callbacks suppressed Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545362] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545375] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545383] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545391] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545399] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545408] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545416] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545424] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545432] lost page write due to I/O error on sdf4 Jan 12 11:26:28 ubuntu-desktop kernel: [52281.545440] lost page write due to I/O error on sdf4 Jan 12 11:26:58 ubuntu-desktop kernel: [52311.760027] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:27:29 ubuntu-desktop kernel: [52342.220026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:27:59 ubuntu-desktop kernel: [52372.464039] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:28:30 ubuntu-desktop kernel: [52402.964031] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:29:00 ubuntu-desktop kernel: [52433.232038] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:29:30 ubuntu-desktop kernel: [52463.568026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:30:00 ubuntu-desktop kernel: [52493.812030] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:30:31 ubuntu-desktop kernel: [52524.060030] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:31:01 ubuntu-desktop kernel: [52554.304034] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:31:31 ubuntu-desktop kernel: [52584.660031] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:31:32 ubuntu-desktop kernel: [52584.899738] sd 18:0:0:0: [sdf] Sense Key : No Sense [current] Jan 12 11:31:32 ubuntu-desktop kernel: [52584.899750] sd 18:0:0:0: [sdf] Add. Sense: No additional sense information Jan 12 11:32:02 ubuntu-desktop kernel: [52615.008042] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:32:32 ubuntu-desktop kernel: [52645.252067] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:33:02 ubuntu-desktop kernel: [52675.516026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:33:32 ubuntu-desktop kernel: [52705.780026] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:34:03 ubuntu-desktop kernel: [52736.040030] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.308036] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465647] sd 18:0:0:0: [sdf] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OK Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465668] __ratelimit: 11 callbacks suppressed Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465677] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465686] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465700] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465707] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465714] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465722] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465729] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465743] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465750] lost page write due to I/O error on sdf4 Jan 12 11:34:33 ubuntu-desktop kernel: [52766.465757] lost page write due to I/O error on sdf4 Jan 12 11:35:03 ubuntu-desktop kernel: [52796.740035] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:35:34 ubuntu-desktop kernel: [52826.984034] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:36:04 ubuntu-desktop kernel: [52857.396037] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:36:05 ubuntu-desktop kernel: [52857.920033] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:36:05 ubuntu-desktop kernel: [52858.552524] sd 18:0:0:0: [sdf] Sense Key : No Sense [current] Jan 12 11:36:05 ubuntu-desktop kernel: [52858.552537] sd 18:0:0:0: [sdf] Add. Sense: No additional sense information Jan 12 11:36:35 ubuntu-desktop kernel: [52888.664290] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:37:06 ubuntu-desktop kernel: [52918.908040] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:37:36 ubuntu-desktop kernel: [52949.168025] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:38:06 ubuntu-desktop kernel: [52979.440033] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:38:36 ubuntu-desktop kernel: [53009.704035] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:39:07 ubuntu-desktop kernel: [53039.968037] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125307] sd 18:0:0:0: [sdf] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OK Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125327] __ratelimit: 11 callbacks suppressed Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125334] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125343] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125358] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125365] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125372] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125380] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125395] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125402] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125410] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.125423] lost page write due to I/O error on sdf4 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.492035] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:39:07 ubuntu-desktop kernel: [53040.719558] sd 18:0:0:0: [sdf] Sense Key : No Sense [current] Jan 12 11:39:07 ubuntu-desktop kernel: [53040.719571] sd 18:0:0:0: [sdf] Add. Sense: No additional sense information Jan 12 11:39:37 ubuntu-desktop kernel: [53070.828050] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:40:08 ubuntu-desktop kernel: [53101.080034] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:40:38 ubuntu-desktop kernel: [53131.344036] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:41:08 ubuntu-desktop kernel: [53161.604040] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:41:38 ubuntu-desktop kernel: [53191.872029] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.140033] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293330] sd 18:0:0:0: [sdf] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OK Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293349] __ratelimit: 14 callbacks suppressed Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293357] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293367] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293387] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293396] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293403] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293411] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293419] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.293434] lost page write due to I/O error on sdf4 Jan 12 11:42:09 ubuntu-desktop kernel: [53222.541321] sd 18:0:0:0: [sdf] Sense Key : No Sense [current] Jan 12 11:42:09 ubuntu-desktop kernel: [53222.541333] sd 18:0:0:0: [sdf] Add. Sense: No additional sense information Jan 12 11:42:39 ubuntu-desktop kernel: [53252.652036] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:43:10 ubuntu-desktop kernel: [53282.897504] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:43:40 ubuntu-desktop kernel: [53313.164032] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:44:10 ubuntu-desktop kernel: [53343.432051] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:44:40 ubuntu-desktop kernel: [53373.700033] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:45:11 ubuntu-desktop kernel: [53403.968034] usb 5-8: reset high speed USB device using ehci_hcd and address 18 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121352] sd 18:0:0:0: [sdf] Result: hostbyte=DID_ABORT driverbyte=DRIVER_OK,SUGGEST_OK Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121376] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121385] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121393] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121400] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121408] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121422] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121430] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.121438] lost page write due to I/O error on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.664825] JBD: Detected IO errors while flushing file data on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.682307] JBD: Detected IO errors while flushing file data on sdf4 Jan 12 11:45:11 ubuntu-desktop kernel: [53404.701295] JBD: Detected IO errors while flushing file data on sdf4 Jan 12 11:56:44 ubuntu-desktop -- MARK -- Jan 12 12:15:07 ubuntu-desktop kernel: [55200.761098] usb 5-8: USB disconnect, address 18