}{

[17186988.536000] usb 5-6: new high speed USB device using ehci_hcd and address 3
[17186989.952000] SCSI subsystem initialized
[17186990.284000] Initializing USB Mass Storage driver...
[17186990.284000] scsi0 : SCSI emulation for USB Mass Storage devices
[17186990.284000] usb-storage: device found at 3
[17186990.284000] usb-storage: waiting for device to settle before scanning
[17186990.284000] usbcore: registered new driver usb-storage
[17186990.284000] USB Mass Storage support registered.
[17186995.284000]   Vendor:           Model: PENTA DRIVE       Rev: PMAP
[17186995.284000]   Type:   Direct-Access                      ANSI SCSI revision: 00
[17186995.284000]   Vendor:           Model: PENTA DRIVE       Rev: PMAP
[17186995.284000]   Type:   Direct-Access                      ANSI SCSI revision: 00
[17186995.292000] usb-storage: device scan complete
[17186995.492000] Driver 'sd' needs updating - please use bus_type methods
[17186995.800000] SCSI device sda: 243200 512-byte hdwr sectors (125 MB)
[17186995.800000] sda: Write Protect is off
[17186995.800000] sda: Mode Sense: 23 00 00 00
[17186995.800000] sda: assuming drive cache: write through
[17186995.808000] SCSI device sda: 243200 512-byte hdwr sectors (125 MB)
[17186995.808000] sda: Write Protect is off
[17186995.808000] sda: Mode Sense: 23 00 00 00
[17186995.808000] sda: assuming drive cache: write through
[17186995.808000]  sda:<6>usb 5-6: reset high speed USB device using ehci_hcd and address 3[17187029.032000] usb 5-6: device descriptor read/64, error -110
[17187033.692000] usb 5-6: USB disconnect, address 3
[17187033.692000] sd 0:0:0:0: scsi: Device offlined - not ready after error recovery
[17187033.696000] sd 0:0:0:0: SCSI error: return code = 0x10000
[17187033.696000] end_request: I/O error, dev sda, sector 0
[17187033.696000] Buffer I/O error on device sda, logical block 0
[17187033.696000] sd 0:0:0:0: rejecting I/O to device being removed
[17187033.696000] Buffer I/O error on device sda, logical block 0
[17187033.696000]  unable to read partition table
[17187033.696000] sd 0:0:0:0: Attached scsi removable disk sda
[17187033.700000] sda : READ CAPACITY failed.
[17187033.700000] sda : status=0, message=00, host=1, driver=00
[17187033.700000] sda : sense not available.
[17187033.700000] sda: Write Protect is off
[17187033.700000] sda: Mode Sense: 00 00 00 00
[17187033.700000] sda: assuming drive cache: write through
[17187033.700000] sd 0:0:0:1: Attached scsi removable disk sda
[...]
[17187637.320000] scsi1 : SCSI emulation for USB Mass Storage devices
[17187637.320000] usb-storage: device found at 4
[17187637.320000] usb-storage: waiting for device to settle before scanning
[17187642.320000]   Vendor:           Model: PENTA DRIVE       Rev: PMAP
[17187642.320000]   Type:   Direct-Access                      ANSI SCSI revision: 00
[17187642.560000] SCSI device sda: 243200 512-byte hdwr sectors (125 MB)
[17187642.564000] sda: Write Protect is off
[17187642.564000] sda: Mode Sense: 23 00 00 00
[17187642.564000] sda: assuming drive cache: write through
[17187642.564000] SCSI device sda: 243200 512-byte hdwr sectors (125 MB)
[17187642.564000] sda: Write Protect is off
[17187642.564000] sda: Mode Sense: 23 00 00 00
[17187642.564000] sda: assuming drive cache: write through
[17187642.564000]  sda:<6>usb 5-5: reset high speed USB device using ehci_hcd and address 4[17187675.788000] usb 5-5: device descriptor read/64, error -110
[17187691.004000] usb 5-5: device descriptor read/64, error -110
[17187691.220000] usb 5-5: reset high speed USB device using ehci_hcd and address 4
[17187694.332000] usb 5-5: device descriptor read/64, error -110
[17187709.548000] usb 5-5: device descriptor read/64, error -110
[17187709.764000] usb 5-5: reset high speed USB device using ehci_hcd and address 4
[17187720.172000] usb 5-5: device not accepting address 4, error -110
[17187720.284000] usb 5-5: reset high speed USB device using ehci_hcd and address 4
[17187730.692000] usb 5-5: device not accepting address 4, error -110
[17187730.692000] usb 5-5: USB disconnect, address 4
[17187730.692000] sd 1:0:0:0: scsi: Device offlined - not ready after error recovery
[17187730.692000] sd 1:0:0:0: SCSI error: return code = 0x50000
[17187730.692000] end_request: I/O error, dev sda, sector 0
[17187730.692000] Buffer I/O error on device sda, logical block 0
[17187730.692000] sd 1:0:0:0: rejecting I/O to offline device
[17187730.692000] Buffer I/O error on device sda, logical block 0
[17187730.692000]  unable to read partition table
[17187730.692000] sd 1:0:0:0: Attached scsi removable disk sda
[17187730.692000] sd 1:0:0:0: Attached scsi generic sg0 type 0
[17187730.696000] usb-storage: device scan complete
[17187730.808000] usb 5-5: new high speed USB device using ehci_hcd and address 5
[17187733.920000] usb 5-5: device descriptor read/64, error -110
[17187749.136000] usb 5-5: device descriptor read/64, error -110
[17187749.352000] usb 5-5: new high speed USB device using ehci_hcd and address 6
[17187752.464000] usb 5-5: device descriptor read/64, error -110
[17187767.680000] usb 5-5: device descriptor read/64, error -110
[17187767.896000] usb 5-5: new high speed USB device using ehci_hcd and address 7
[17187778.304000] usb 5-5: device not accepting address 7, error -110
[17187778.416000] usb 5-5: new high speed USB device using ehci_hcd and address 8
[17187788.824000] usb 5-5: device not accepting address 8, error -110