Public bug reported:

USB devices (such as USB flash storage, USB mouse, etc) worked in kernel
version 2.6.31-20 and prior (perhaps Ubuntu 10.04 kernel?), but stopped
working in 2.6.35-22 and thereafter.

When a device is plugged in, it is indicated via dmesg of the device
being detected, but nothing afterwards (no errors and so on).

For example, plugging in a USB device under a non-working kernel version 
(dmesg):
[  144.156079] usb 1-4: new high speed USB device using ehci_hcd and address 2

And under the kernel version that USB devices work properly:

[  134.640072] usb 1-4: new high speed USB device using ehci_hcd and address 2
[  134.894173] usb 1-4: configuration #1 chosen from 1 choice
[  134.952249] Initializing USB Mass Storage driver...
[  134.952434] scsi6 : SCSI emulation for USB Mass Storage devices
[  134.952543] usbcore: registered new interface driver usb-storage
[  134.952547] USB Mass Storage support registered.
[  134.957729] usb-storage: device found at 2
[  134.957733] usb-storage: waiting for device to settle before scanning
[  139.956235] usb-storage: device scan complete
[  139.958212] scsi 6:0:0:0: Direct-Access     CENTON   DS Pro           8.07 
PQ: 0 ANSI: 2
[  139.958676] sd 6:0:0:0: Attached scsi generic sg2 type 0
[  139.965445] sd 6:0:0:0: [sdb] 16424960 512-byte logical blocks: (8.40 
GB/7.83 GiB)
[  139.965936] sd 6:0:0:0: [sdb] Write Protect is off
[  139.965941] sd 6:0:0:0: [sdb] Mode Sense: 03 00 00 00
[  139.965944] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[  139.969062] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[  139.969069]  sdb: sdb1
[  140.254318] sd 6:0:0:0: [sdb] Assuming drive cache: write through
[  140.254326] sd 6:0:0:0: [sdb] Attached SCSI removable disk

ProblemType: Bug
DistroRelease: Ubuntu 10.10
Package: linux-image-2.6.35-22-generic 2.6.35-22.35
Regression: Yes
Reproducible: No
ProcVersionSignature: Ubuntu 2.6.35-22.35-generic 2.6.35.4
Uname: Linux 2.6.35-22-generic i686
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.23.
Architecture: i386
ArecordDevices:
 **** List of CAPTURE Hardware Devices ****
 card 0: Intel [HDA Intel], device 0: CONEXANT Analog [CONEXANT Analog]
   Subdevices: 1/1
   Subdevice #0: subdevice #0
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  caleb870   1826 F.... pulseaudio
CRDA: Error: [Errno 2] No such file or directory
Card0.Amixer.info:
 Card hw:0 'Intel'/'HDA Intel at 0xd0340000 irq 43'
   Mixer name   : 'Conexant CX20551 (Waikiki)'
   Components   : 'HDA:14f15047,103c30a5,00100000'
   Controls      : 15
   Simple ctrls  : 7
Date: Sun Jan 16 23:48:48 2011
Frequency: Once a day.
HibernationDevice: RESUME=UUID=d33b1611-f434-4f32-8ea7-1137c709d2b9
Lsusb:
 Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
 Bus 001 Device 002: ID 111d:0000
 Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Hewlett-Packard Presario C300 (RL177UA#ABA)
ProcCmdLine: root=UUID=187f8dcc-8c77-43cb-84a5-a1d6b84270df ro quiet splash
ProcEnviron:
 LANG=en_US.utf8
 SHELL=/bin/bash
RelatedPackageVersions: linux-firmware 1.38
SourcePackage: linux
WpaSupplicantLog:

dmi.bios.date: 04/25/2007
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.24
dmi.board.name: 30C6
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 78.10
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias: 
dmi:bvnHewlett-Packard:bvrF.24:bd04/25/2007:svnHewlett-Packard:pnPresarioC300(RL177UA#ABA):pvrF.24:rvnHewlett-Packard:rn30C6:rvr78.10:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: Presario C300 (RL177UA#ABA)
dmi.product.version: F.24
dmi.sys.vendor: Hewlett-Packard

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: apport-bug i386 kernel-uncat maverick needs-upstream-testing 
regression-release

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https://bugs.launchpad.net/bugs/703798

Title:
  No USB device works (regression)

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