es ging schonmal, einen hardware fehler schließ ich aber auch aus, der mobo-chipsatz ist ein AMD770...
udevmonitor bleibt auch stumm, bis ich lsusb ausführe.
dann kommt:
UEVENT[1214666157.948014] add /devices/pci0000:00/0000:00:13.3/usb5/5-1 (usb)
UEVENT[1214666157.948493] add /class/usb_endpoint/usbdev5.3_ep00 (usb_endpoint)
UEVENT[1214666157.949988] add /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0 (usb)
UEVENT[1214666157.950305] add /class/scsi_host/host7 (scsi_host)
UEVENT[1214666157.951648] add /class/usb_endpoint/usbdev5.3_ep81 (usb_endpoint)
UEVENT[1214666157.951853] add /class/usb_endpoint/usbdev5.3_ep02 (usb_endpoint)
UEVENT[1214666157.952070] add /class/usb_device/usbdev5.3 (usb_device)
UDEV [1214666157.960252] add /devices/pci0000:00/0000:00:13.3/usb5/5-1 (usb)
UDEV [1214666157.963817] add /class/usb_endpoint/usbdev5.3_ep00 (usb_endpoint)
UDEV [1214666158.002076] add /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0 (usb)
UDEV [1214666158.018353] add /class/scsi_host/host7 (scsi_host)
UDEV [1214666158.023652] add /class/usb_endpoint/usbdev5.3_ep81 (usb_endpoint)
UDEV [1214666158.024391] add /class/usb_endpoint/usbdev5.3_ep02 (usb_endpoint)
UDEV [1214666158.035854] add /class/usb_device/usbdev5.3 (usb_device)
UEVENT[1214666162.956558] add /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0/host7/target7:0:0/7:0:0:0 (scsi)
UEVENT[1214666162.956649] add /class/scsi_disk/7:0:0:0 (scsi_disk)
UDEV [1214666163.005470] add /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0/host7/target7:0:0/7:0:0:0 (scsi)
UDEV [1214666163.006361] add /class/scsi_disk/7:0:0:0 (scsi_disk)
UEVENT[1214666164.078226] change /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0/host7/target7:0:0/7:0:0:0 (scsi)
UDEV [1214666164.078580] change /devices/pci0000:00/0000:00:13.3/usb5/5-1/5-1:1.0/host7/target7:0:0/7:0:0:0 (scsi)
UEVENT[1214666164.116673] add /block/sdb (block)
UEVENT[1214666164.116701] add /block/sdb/sdb1 (block)
UEVENT[1214666164.116708] add /class/scsi_device/7:0:0:0 (scsi_device)
UEVENT[1214666164.116715] add /class/scsi_generic/sg2 (scsi_generic)
UEVENT[1214666164.116722] add /class/bsg/7:0:0:0 (bsg)
UDEV [1214666164.118306] add /class/scsi_generic/sg2 (scsi_generic)
UDEV [1214666164.118888] add /class/scsi_device/7:0:0:0 (scsi_device)
UDEV [1214666164.123103] add /class/bsg/7:0:0:0 (bsg)
UDEV [1214666164.131258] add /block/sdb (block)
UDEV [1214666164.637498] add /block/sdb/sdb1 (block)