Test without ehci_hcd. ehci_hcd was blacklisted and didn't load:
lsmod | grep hci
ohci1394 42036 0
ieee1394 108416 1 ohci1394
uhci_hcd 34464 0
/var/log/kern.log:
kernel: [ 365.076048] usb 2-1: new full speed USB device using uhci_hcd and
address 3
kernel: [ 365.250610] usb 2-1: configuration #1 chosen from 1 choice
kernel: [ 365.262339] scsi7 : SCSI emulation for USB Mass Storage devices
kernel: [ 365.263052] usb-storage: device found at 3
kernel: [ 365.263056] usb-storage: waiting for device to settle before scanning
kernel: [ 370.262211] usb-storage: device scan complete
kernel: [ 370.266143] scsi 7:0:0:0: Direct-Access FUJITSU MHV2200BT
PQ: 0 ANSI: 2 CCS
kernel: [ 370.277212] sd 7:0:0:0: [sdb] 390721968 512-byte hardware sectors:
(200 GB/186 GiB)
kernel: [ 370.285207] sd 7:0:0:0: [sdb] Write Protect is off
kernel: [ 370.285213] sd 7:0:0:0: [sdb] Mode Sense: 34 00 00 00
kernel: [ 370.285218] sd 7:0:0:0: [sdb] Assuming drive cache: write through
kernel: [ 370.290101] sd 7:0:0:0: [sdb] 390721968 512-byte hardware sectors:
(200 GB/186 GiB)
kernel: [ 370.295097] sd 7:0:0:0: [sdb] Write Protect is off
kernel: [ 370.295102] sd 7:0:0:0: [sdb] Mode Sense: 34 00 00 00
kernel: [ 370.295106] sd 7:0:0:0: [sdb] Assuming drive cache: write through
kernel: [ 370.295113] sdb: sdb1 sdb2 sdb3 sdb4
kernel: [ 370.408427] sd 7:0:0:0: [sdb] Attached SCSI disk
kernel: [ 370.408537] sd 7:0:0:0: Attached scsi generic sg2 type 0
kernel: [ 372.133199] kjournald starting. Commit interval 5 seconds
kernel: [ 372.133218] EXT3-fs warning: maximal mount count reached, running
e2fsck is recommended
kernel: [ 372.136649] EXT3 FS on sdb1, internal journal
kernel: [ 372.136657] EXT3-fs: mounted filesystem with ordered data mode.
sudo dd if=/dev/sdb1 of=/dev/null
497952+0 records in
497952+0 records out
254951424 bytes (255 MB) copied, 245.269 s, 1.0 MB/s
readlink /sys/block/sdb
../devices/pci0000:00/0000:00:1d.1/usb2/2-1/2-1:1.0/host7/target7:0:0/7:0:0:0/block/sdb
--
warning: ehci_hcd loaded AFTER uhci_hcd and ohci_hcd
https://bugs.launchpad.net/bugs/296710
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