Public bug reported:
if i attach a external USB-Storage Disk (usb3.0 disk) to my usb port (only 2),
the disk get not regognized and be offlined.
Here are the Messages from "dmesg":
[ 315.050075] usb 1-6: new high speed USB device using ehci_hcd and address 6
[ 315.217243] scsi2 : uas
[ 315.220102] usbcore: registered new interface driver uas
[ 315.230608] Initializing USB Mass Storage driver...
[ 315.230682] usbcore: registered new interface driver usb-storage
[ 315.230685] USB Mass Storage support registered.
[ 318.972592] scsi 2:0:0:0: Direct-Access Hitachi Touro Mobile Pro A0D0
PQ: 0 ANSI: 4
[ 325.020050] scsi 2:0:0:0: uas_eh_abort_handler tag 0
[ 325.020060] scsi 2:0:0:0: uas_eh_device_reset_handler tag 0
[ 325.020064] scsi 2:0:0:0: uas_eh_target_reset_handler tag 0
[ 325.020067] scsi 2:0:0:0: uas_eh_bus_reset_handler tag 0
[ 325.140428] usb 1-6: reset high speed USB device using ehci_hcd and address 6
[ 325.311568] scsi 2:0:0:0: Device offlined - not ready after error recovery
[ 325.311668] scsi 2:0:0:0: rejecting I/O to offline device
[ 325.311679] scsi 2:0:0:0: rejecting I/O to offline device
[ 325.313168] scsi 2:0:0:1: Enclosure Hitachi SES A0D0
PQ: 0 ANSI: 4
[ 325.313399] scsi 2:0:0:2: uas_sense_old: urb length 26 disagrees with IU
sense data length 510, using 18 bytes of sense data
[ 325.314540] sd 2:0:0:0: Attached scsi generic sg2 type 0
[ 325.315007] scsi 2:0:0:1: Attached scsi generic sg3 type 13
[ 356.080133] sd 2:0:0:0: uas_eh_abort_handler tag 0
[ 356.080147] sd 2:0:0:0: uas_eh_device_reset_handler tag 0
[ 356.080153] sd 2:0:0:0: uas_eh_target_reset_handler tag 0
[ 356.080159] sd 2:0:0:0: uas_eh_bus_reset_handler tag 0
[ 356.200057] usb 1-6: reset high speed USB device using ehci_hcd and address 6
[ 356.351683] sd 2:0:0:0: Device offlined - not ready after error recovery
[ 356.351755] sd 2:0:0:0: rejecting I/O to offline device
[ 356.351772] sd 2:0:0:0: rejecting I/O to offline device
[ 356.351781] sd 2:0:0:0: rejecting I/O to offline device
[ 356.351788] sd 2:0:0:0: [sdb] READ CAPACITY failed
[ 356.351793] sd 2:0:0:0: [sdb] Result: hostbyte=DID_NO_CONNECT
driverbyte=DRIVER_OK
[ 356.351801] sd 2:0:0:0: [sdb] Sense not available.
[ 356.351809] sd 2:0:0:0: rejecting I/O to offline device
[ 356.351816] sd 2:0:0:0: [sdb] Write Protect is off
[ 356.351822] sd 2:0:0:0: [sdb] Mode Sense: 00 00 00 00
[ 356.351828] sd 2:0:0:0: rejecting I/O to offline device
[ 356.351836] sd 2:0:0:0: [sdb] Asking for cache data failed
[ 356.351840] sd 2:0:0:0: [sdb] Assuming drive cache: write through
[ 356.352177] sd 2:0:0:0: [sdb] Attached SCSI disk
[ 356.360520] ses 2:0:0:1: Attached Enclosure device
This happens ONLY with ubuntu Kernels (specially here 2.6.38-11-server
#50-Ubuntu SMP), but also happens with ubuntu live CD.
Attaching the same disk to the same notebook but booted a self compiled
gentoo linux (also 2.6.38) or a installed opensuse 11.4 the disk works
perfectly as expected...
Furthermore attaching another usb2.0 disk to the usb 2.0 port on the
notebook (with ubuntu-kernel) it gets only as usb 1.1 recognized and is
extremly slow, of course.
As I remember I had similar problems under gentoo (a lot kernel versions
ago) - fixed it by NOT compiling the {u,o,e}hci_hcd modules into the
kernel - but compiling them as modules and loading them in (maybe?)
special order.
** Affects: linux-ports-meta (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/868233
Title:
external USB Storage offlined and not usable - only in ubuntu kernels
- not in gentoo / opensuse
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