On Wed, 15 Jan 2014, Peter Palúch wrote: > The interesting thing is that the same happens even if the drive is > plugged into an USB 2.0 port in the same notebook: That is an important point. > root@bach:~# dmesg -c > usb 3-1.1: new high-speed USB device number 5 using ehci-pci > usb 3-1.1: New USB device found, idVendor=1058, idProduct=1230 > usb 3-1.1: New USB device strings: Mfr=2, Product=3, SerialNumber=1 > usb 3-1.1: Product: My Book 1230 > usb 3-1.1: Manufacturer: Western Digital > usb 3-1.1: SerialNumber: 574D43344E30323438393836 > usb-storage 3-1.1:1.0: USB Mass Storage device detected > scsi10 : usb-storage 3-1.1:1.0 > scsi 10:0:0:0: Direct-Access WD My Book 1230 1050 PQ: 0 > ANSI: 6 > scsi 10:0:0:1: Enclosure WD SES Device 1050 PQ: 0 > ANSI: 6 > sd 10:0:0:0: Attached scsi generic sg2 type 0 > scsi 10:0:0:1: Attached scsi generic sg3 type 13 > sd 10:0:0:0: [sdb] Spinning up disk... > .........ready > sd 10:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) > sd 10:0:0:0: [sdb] Write Protect is off > sd 10:0:0:0: [sdb] Mode Sense: 53 00 10 08 > sd 10:0:0:0: [sdb] No Caching mode page found > sd 10:0:0:0: [sdb] Assuming drive cache: write through > sd 10:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) > sd 10:0:0:0: [sdb] No Caching mode page found > sd 10:0:0:0: [sdb] Assuming drive cache: write through > sdb: unknown partition table > sd 10:0:0:0: [sdb] 732558336 4096-byte logical blocks: (3.00 TB/2.72 TiB) > sd 10:0:0:0: [sdb] No Caching mode page found > sd 10:0:0:0: [sdb] Assuming drive cache: write through > sd 10:0:0:0: [sdb] Attached SCSI disk > root@bach:~# time gdisk -l /dev/sdb > GPT fdisk (gdisk) version 0.8.8 > > Partition table scan: > MBR: not present > BSD: not present > APM: not present > GPT: not present > > Creating new GPT entries. > Disk /dev/sdb: 732558336 sectors, 2.7 TiB > Logical sector size: 4096 bytes > Disk identifier (GUID): E2D26EE9-FC4F-49C8-94A7-92B599334779 > Partition table holds up to 128 entries > First usable sector is 6, last usable sector is 732558330 > Partitions will be aligned on 256-sector boundaries > Total free space is 732558325 sectors (2.7 TiB) > > Number Start (sector) End (sector) Size Code Name > > real 0m31.631s > user 0m0.008s > sys 0m0.002s > root@bach:~# dmesg > usb 3-1.1: reset high-speed USB device number 5 using ehci-pci > Any ideas or suggestions? Can you post a usbmon trace similar to the earlier one, but with the drive plugged into the USB-2 port? Alan Stern -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
