Comment 17 for bug 261710

jaunty, 2.6.28 kernel, usb flash disk A-Data 8GB, the same problem as in the original bugreport

[ 1174.176050] usb 1-6: new high speed USB device using ehci_hcd and address 11
[ 1174.333765] usb 1-6: configuration #1 chosen from 1 choice
[ 1174.365458] scsi8 : SCSI emulation for USB Mass Storage devices
[ 1174.367303] usb-storage: device found at 11
[ 1174.367308] usb-storage: waiting for device to settle before scanning
[ 1179.364260] usb-storage: device scan complete
[ 1185.112068] usb 1-6: reset high speed USB device using ehci_hcd and address 11
[ 1200.224048] usb 1-6: device descriptor read/64, error -110

setting the inq_timeout just about 5 to 6 fixes the problem for me :)

$ echo 6 > /sys/module/scsi_mod/parameters/inq_timeout
ok
$echo 5 > /sys/module/scsi_mod/parameters/inq_timeout
not ok

the value 20 fixes it too of course