BUG: usb Mouse continual disconnect (2.6.22.10) leading to eventual crash?

["Fortier,Vincent [Montreal]" <Vincent.Fortier1@EC.GC.CA>]

Hi all,

I'm having a preblem with a few workstations that are hard freezing from
time to time since about a week.  Curiously since then we upgraded from
2.6.20.6 to 2.6.20.10...

While investigating I found out that there seems to be a problem,
occuring randomly on some workstations after a certain amount time, that
the mouse gets disconnected continously (see full log attached):
Nov  7 00:09:36 mammatus kernel: [22055.357104] usb 2-1: USB disconnect,
address 2
Nov  7 00:09:37 mammatus kernel: [22055.596974] usb 2-1: new low speed
USB device using uhci_hcd and address 3
Nov  7 00:09:37 mammatus kernel: [22055.777831] usb 2-1: configuration
#1 chosen from 1 choice
Nov  7 00:09:37 mammatus kernel: [22055.793905] input: Logitech USB-PS/2
Optical Mouse as /class/input/input5
Nov  7 00:09:37 mammatus kernel: [22055.793994] input: USB HID v1.10
Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1
Nov  7 00:10:11 mammatus kernel: [22090.368722] usb 2-1: USB disconnect,
address 3
Nov  7 00:10:12 mammatus kernel: [22090.608588] usb 2-1: new low speed
USB device using uhci_hcd and address 4
Nov  7 00:10:12 mammatus kernel: [22090.784671] usb 2-1: configuration
#1 chosen from 1 choice
Nov  7 00:10:12 mammatus kernel: [22090.800881] input: Logitech USB-PS/2
Optical Mouse as /class/input/input6
Nov  7 00:10:12 mammatus kernel: [22090.800982] input: USB HID v1.10
Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1
[.....]
Nov  7 17:57:28 mammatus kernel: [86097.543960] input: Logitech USB-PS/2
Optical Mouse as /class/input/input596
Nov  7 17:57:28 mammatus kernel: [86097.544050] input: USB HID v1.10
Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1
Nov  7 17:59:07 mammatus kernel: [86196.161272] usb 2-1: USB disconnect,
address 112
Nov  7 17:59:07 mammatus kernel: [86196.401142] usb 2-1: new low speed
USB device using uhci_hcd and address 113
Nov  7 17:59:08 mammatus kernel: [86196.577674] usb 2-1: configuration
#1 chosen from 1 choice
Nov  7 17:59:08 mammatus kernel: [86196.593834] input: Logitech USB-PS/2
Optical Mouse as /class/input/input597
Nov  7 17:59:08 mammatus kernel: [86196.593939] input: USB HID v1.10
Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1
Nov  7 17:59:13 mammatus kernel: [86202.206449] usb 2-1: USB disconnect,
address 113
Nov  7 17:59:13 mammatus kernel: [86202.446319] usb 2-1: new low speed
USB device using uhci_hcd and address 114
Nov  7 17:59:14 mammatus kernel: [86202.623309] usb 2-1: configuration
#1 chosen from 1 choice
Nov  7 17:59:14 mammatus kernel: [86202.638402] input: Logitech USB-PS/2
Optical Mouse as /class/input/input598
Nov  7 17:59:14 mammatus kernel: [86202.638493] input: USB HID v1.10
Mouse [Logitech USB-PS/2 Optical Mouse] on usb-0000:00:1d.0-1

There are some occasionnal connect/disconnect due to the fact that we
recently bought an ergonomic mouse (Evoluent Vertical Mouse 3 Rev. 2)
that some people plug-in the workstation they are working for the
duration of their day/night shift... but nothing like 600 disconnect /
day / workstations?  And actually, the source workstation of this log as
not yet got the mouse connected to it since it's last reboot.

Looking at the changes between 2.6.20.6 and 2.6.20.10 I only found this
USB related:
http://git.kernel.org/?p=linux/kernel/git/stable/linux-2.6.22.y.git;a=co
mmit;h=0e22438a5adfdf32b3bb1c75c81c01a29fba9770

I'm presuming that maybie eventually it might hit a input max barrier
(like a max of 1024) and then the kernel would be crashing?

Help very much appreciated!

Regards,

Vincent Fortier
Informatique
Environnement Canada

Attachment: kern.log.bz2
Description: kern.log.bz2