/var/log/messages:
sda : block size assumed to be 512 bytes, disk size 1GB. sda: I/O error: dev 08:00, sector 0 I/O error: dev 08:00, sector 0 unable to read partition table Device not ready. Make sure there is a disc in the drive. sda : READ CAPACITY failed. sda : status = 1, message = 00, host = 0, driver = 08 Info fld=0xa00 (nonstd), Current sd00:00: sns = 70 2 Raw sense data:0x70 0x00 0x02 0x00 0x00 0x0a 0x00 0x00
Lösung:
rmmod usb-storage modprob usb-storage
Fertig.
Bei installiertem hotplug (et. al) entfällt das modprobe natürlich.