Same problem is here for the Cowon iAUDIO 6. This is also a USB disk device to play mp3/ogg etc. Jul 3 04:34:46 flamingo kernel: [17179683.720000] usb 3-8: new high speed USB device using ehci_hcd and address 4 Jul 3 04:34:46 flamingo kernel: [17179683.968000] usb 3-8: new high speed USB device using ehci_hcd and address 5 Jul 3 04:34:46 flamingo kernel: [17179684.324000] scsi4 : SCSI emulation for USB Mass Storage devices Jul 3 04:34:51 flamingo kernel: [17179689.360000] Vendor: COWON Model: iAUDIO 6 Rev: 0100 Jul 3 04:34:51 flamingo kernel: [17179689.360000] Type: Direct-Access ANSI SCSI revision: 00 Jul 3 04:34:51 flamingo kernel: [17179689.360000] SCSI device sda: 7855648 512-byte hdwr sectors (4022 MB) Jul 3 04:34:51 flamingo kernel: [17179689.360000] sda: Write Protect is off Jul 3 04:34:51 flamingo kernel: [17179689.364000] SCSI device sda: 7855648 512-byte hdwr sectors (4022 MB) Jul 3 04:34:51 flamingo kernel: [17179689.364000] sda: Write Protect is off Jul 3 04:34:51 flamingo kernel: [17179689.364000] sda:<6>usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:52 flamingo kernel: [17179689.880000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:52 flamingo kernel: [17179690.300000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:53 flamingo kernel: [17179690.664000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:53 flamingo kernel: [17179691.032000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:53 flamingo kernel: [17179691.288000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:34:53 flamingo kernel: [17179691.288000] end_request: I/O error, dev sda, sector 0 Jul 3 04:34:53 flamingo kernel: [17179691.296000] unable to read partition table Jul 3 04:34:53 flamingo kernel: [17179691.296000] sd 4:0:0:0: Attached scsi removable disk sda Jul 3 04:34:53 flamingo kernel: [17179691.296000] sd 4:0:0:0: Attached scsi generic sg0 type 0 Jul 3 04:34:53 flamingo kernel: [17179691.548000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:54 flamingo kernel: [17179691.916000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:54 flamingo kernel: [17179692.280000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:55 flamingo kernel: [17179692.648000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:55 flamingo kernel: [17179693.016000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:55 flamingo kernel: [17179693.272000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:34:55 flamingo kernel: [17179693.272000] end_request: I/O error, dev sda, sector 64 Jul 3 04:34:55 flamingo kernel: [17179693.384000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:56 flamingo kernel: [17179693.752000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:56 flamingo kernel: [17179694.116000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:56 flamingo kernel: [17179694.484000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:57 flamingo kernel: [17179694.852000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:57 flamingo kernel: [17179695.108000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:34:57 flamingo kernel: [17179695.108000] end_request: I/O error, dev sda, sector 72 Jul 3 04:34:57 flamingo kernel: [17179695.220000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:57 flamingo kernel: [17179695.588000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:58 flamingo kernel: [17179695.952000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:58 flamingo kernel: [17179696.320000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:59 flamingo kernel: [17179696.688000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:59 flamingo kernel: [17179696.940000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:34:59 flamingo kernel: [17179696.940000] end_request: I/O error, dev sda, sector 80 Jul 3 04:34:59 flamingo kernel: [17179697.056000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:34:59 flamingo kernel: [17179697.420000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:00 flamingo kernel: [17179697.788000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:00 flamingo kernel: [17179698.156000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 : Jul 3 04:35:00 flamingo kernel: [17179698.524000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:01 flamingo kernel: [17179698.776000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:35:01 flamingo kernel: [17179698.776000] end_request: I/O error, dev sda, sector 88 Jul 3 04:35:01 flamingo kernel: [17179698.892000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:01 flamingo kernel: [17179699.256000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:01 flamingo kernel: [17179699.624000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:02 flamingo kernel: [17179699.992000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:02 flamingo kernel: [17179700.360000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:02 flamingo kernel: [17179700.612000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:35:02 flamingo kernel: [17179700.612000] end_request: I/O error, dev sda, sector 96 Jul 3 04:35:03 flamingo kernel: [17179700.724000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:03 flamingo kernel: [17179701.092000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:02 flamingo kernel: [17179701.460000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:02 flamingo kernel: [17179701.828000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:03 flamingo kernel: [17179702.196000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:03 flamingo kernel: [17179702.448000] sd 4:0:0:0: SCSI error: return code = 0x70000 Jul 3 04:35:03 flamingo kernel: [17179702.448000] end_request: I/O error, dev sda, sector 104 Jul 3 04:35:03 flamingo kernel: [17179702.560000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:03 flamingo kernel: [17179702.928000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:04 flamingo kernel: [17179703.296000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:04 flamingo kernel: [17179703.664000] usb 3-8: reset high speed USB device using ehci_hcd and address 5 Jul 3 04:35:04 flamingo kernel: [17179703.872000] tun: Universal TUN/TAP device driver, 1.6 Jul 3 04:35:04 flamingo kernel: [17179703.872000] tun: (C) 1999-2004 Max Krasnyansky