Dec 20 15:46:11 localhost kernel: [17538147.096000] sd 2:0:0:0: SCSI error: return code = 0x50000
Dec 20 15:46:11 localhost kernel: [17538147.096000] end_request: I/O error, dev sdb, sector 854685
Dec 20 15:46:11 localhost kernel: [17538147.476000] usb 2-3: reset full speed USB device using ohci_hcd and address 3
Dec 20 15:46:12 localhost kernel: [17538148.220000] usb 2-3: reset full speed USB device using ohci_hcd and address 3
Dec 20 15:46:13 localhost kernel: [17538148.676000] usb 2-3: USB disconnect, address 3
Dec 20 15:46:13 localhost kernel: [17538148.676000] sd 2:0:0:0: SCSI error: return code = 0x10000
Dec 20 15:46:13 localhost kernel: [17538148.676000] end_request: I/O error, dev sdb, sector 854693
Dec 20 15:46:13 localhost kernel: [17538148.676000] lost page write due to I/O error on sdb
Dec 20 15:46:13 localhost kernel: [17538148.676000] lost page write due to I/O error on sdb
Dec 20 15:46:13 localhost kernel: [17538148.680000] lost page write due to I/O error on sdb
Dec 20 15:46:13 localhost kernel: [17538148.680000] lost page write due to I/O error on sdb
Dec 20 15:46:13 localhost kernel: [17538148.736000] VFS: busy inodes on changed media.
Dec 20 15:46:13 localhost kernel: [17538148.736000] sdb : READ CAPACITY failed.
Dec 20 15:46:13 localhost kernel: [17538148.736000] sdb : status=0, message=00, host=1, driver=00 
Dec 20 15:46:13 localhost kernel: [17538148.736000] sdb : sense not available. 
Dec 20 15:46:13 localhost kernel: [17538148.736000] sdb: Write Protect is off
Dec 20 15:46:13 localhost kernel: [17538148.744000] lost page write due to I/O error on sdb
Dec 20 15:46:13 localhost kernel: [17538148.744000] lost page write due to I/O error on sdb
Dec 20 15:46:18 localhost kernel: [17538154.792000] usb 2-3: new full speed USB device using ohci_hcd and address 4
Dec 20 15:46:19 localhost kernel: [17538155.012000] usb 2-3: configuration #1 chosen from 1 choice
Dec 20 15:46:20 localhost kernel: [17538155.276000] cdc_acm 2-3:1.1: ttyACM0: USB ACM device
Dec 20 15:46:20 localhost kernel: [17538155.280000] usbcore: registered new driver cdc_acm
Dec 20 15:46:20 localhost kernel: [17538155.280000] drivers/usb/class/cdc-acm.c: v0.25:USB Abstract Control Model driver for USB modems and ISDN adapters
Dec 20 15:46:20 localhost kernel: [17538156.268000] usbcore: registered new driver cdc_ether
Dec 20 15:46:20 localhost kernel: [17538156.372000] usb%%d: unregister 'rndis_host' usb-0000:00:02.1-3, RNDIS device
Dec 20 15:46:20 localhost kernel: [17538156.376000] rndis_host: probe of 2-3:1.9 failed with error -110
Dec 20 15:46:20 localhost kernel: [17538156.376000] usbcore: registered new driver rndis_host
Dec 20 15:49:54 localhost kernel: [17538370.704000] usb 2-3: USB disconnect, address 4