einzige zeile dazu in /var/log/messages:

Jun 18 21:26:37 localhost kernel: XFS mounting filesystem sdb



dmesg:

scsi1 : sata_sil
  Vendor: ATA       Model: Maxtor 6Y200M0    Rev: YAR5
  Type:   Direct-Access                      ANSI SCSI revision: 05
SCSI device sda: 398297088 512-byte hdwr sectors (203928 MB)
SCSI device sda: drive cache: write back
SCSI device sda: 398297088 512-byte hdwr sectors (203928 MB)
SCSI device sda: drive cache: write back
 /dev/scsi/host1/bus0/target0/lun0: p1 < p5 p6 p7 p8 > p2
Attached scsi disk sda at scsi1, channel 0, id 0, lun 0
usb 3-2: new full speed USB device using uhci_hcd and address 2
Initializing USB Mass Storage driver...
scsi2 : SCSI emulation for USB Mass Storage devices
usbcore: registered new driver usb-storage
USB Mass Storage support registered.
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
PCI: Enabling device 0000:00:0a.0 (0004 -> 0005)
ACPI: PCI interrupt 0000:00:0a.0[A] -> GSI 11 (level, low) -> IRQ 11
PCI: Enabling device 0000:00:0a.1 (0004 -> 0005)
gameport: pci0000:00:0a.1 speed 1242 kHz
PCI: Enabling device 0000:00:0b.2 (0014 -> 0016)
ACPI: PCI interrupt 0000:00:0b.2[C] -> GSI 9 (level, low) -> IRQ 9
ehci_hcd 0000:00:0b.2: VIA Technologies, Inc. USB 2.0
ehci_hcd 0000:00:0b.2: irq 9, pci mem 0xc5800000
ehci_hcd 0000:00:0b.2: new USB bus registered, assigned bus number 5
ehci_hcd 0000:00:0b.2: USB 2.0 initialized, EHCI 1.00, driver 26 Oct 2004
hub 5-0:1.0: USB hub found
hub 5-0:1.0: 4 ports detected
usb 5-2: new high speed USB device using ehci_hcd and address 2
ohci1394: $Rev: 1223 $ Ben Collins <bcollins@debian.org>
PCI: Enabling device 0000:00:0b.3 (0094 -> 0097)
ACPI: PCI interrupt 0000:00:0b.3[A] -> GSI 10 (level, low) -> IRQ 10
ohci1394: fw-host0: OHCI-1394 1.0 (PCI): IRQ=[10]  MMIO=[c5000000-c50007ff]  Max Packet=[2048]
scsi3 : SCSI emulation for USB Mass Storage devices
usb 3-2: USB disconnect, address 2
usb-storage: device found at 2
usb-storage: waiting for device to settle before scanning
sis900.c: v1.08.07 11/02/2003
PCI: Enabling device 0000:00:0c.0 (0004 -> 0007)
ACPI: PCI Interrupt Link [LNKA] enabled at IRQ 11
ACPI: PCI interrupt 0000:00:0c.0[A] -> GSI 11 (level, low) -> IRQ 11
0000:00:0c.0: SiS 900 Internal MII PHY transceiver found at address 1.
0000:00:0c.0: Using transceiver found at address 1 as default
ieee1394: Host added: ID:BUS[0-00:1023]  GUID[0011060000005deb]
eth0: SiS 900 PCI Fast Ethernet at 0x6000, IRQ 11, 00:40:33:e4:24:bc.
eth0: Media Link On 100mbps full-duplex
  Vendor: _NEC      Model: DVD_RW ND-1300A   Rev: 1.07
  Type:   CD-ROM                             ANSI SCSI revision: 00
sr0: scsi3-mmc drive: 40x/40x writer cd/rw xa/form2 cdda tray
Attached scsi CD-ROM sr0 at scsi3, channel 0, id 0, lun 0
usb-storage: device scan complete
Attached scsi generic sg0 at scsi1, channel 0, id 0, lun 0,  type 0
Attached scsi generic sg1 at scsi3, channel 0, id 0, lun 0,  type 5
NET: Registered protocol family 10
Disabled Privacy Extensions on device c0313ce0(lo)
IPv6 over IPv4 tunneling driver
ACPI: Power Button (FF) [PWRF]
ibm_acpi: ec object not found
apm: BIOS version 1.2 Flags 0x03 (Driver version 1.16ac)
apm: overridden by ACPI.
Installing knfsd (copyright (C) 1996 okir@monad.swb.de).
eth0: no IPv6 routers present
UDF-fs: No VRS found
ISO 9660 Extensions: Microsoft Joliet Level 1
ISOFS: changing to secondary root
ISO 9660 Extensions: Microsoft Joliet Level 3
ISOFS: changing to secondary root
usb 5-1: new high speed USB device using ehci_hcd and address 3
scsi4 : SCSI emulation for USB Mass Storage devices
usb-storage: device found at 3
usb-storage: waiting for device to settle before scanning
  Vendor: SAMSUNG   Model: SP2014N           Rev: VC10
  Type:   Direct-Access                      ANSI SCSI revision: 00
SCSI device sdb: 390721969 512-byte hdwr sectors (200050 MB)
sdb: assuming drive cache: write through
SCSI device sdb: 390721969 512-byte hdwr sectors (200050 MB)
sdb: assuming drive cache: write through
 /dev/scsi/host4/bus0/target0/lun0: unknown partition table
Attached scsi disk sdb at scsi4, channel 0, id 0, lun 0
Attached scsi generic sg2 at scsi4, channel 0, id 0, lun 0,  type 0
usb-storage: device scan complete
XFS mounting filesystem sdb
Ending clean XFS mount for filesystem: sdb
XFS mounting filesystem sdb
Ending clean XFS mount for filesystem: sdb
usb 5-2: USB disconnect, address 2
scsi3 (0:0): rejecting I/O to dead device
SCSI error: host 3 id 0 lun 0 return code = 4000000
        Sense class 0, sense error 0, extended sense 0
scsi3 (0:0): rejecting I/O to dead device
sr0: CDROM (ioctl) error, command: Xpwrite, Read disk info 00 00 00 00 00 00 00 02 00
sr: old sense key No Sense
Non-extended sense class 0 code 0x0
XFS mounting filesystem sdb
Ending clean XFS mount for filesystem: sdb