Comment 22 for bug 433438

Revision history for this message
sog (sogrady) wrote :

Experiencing the same thing here. Hardware is a Lenovo Thinkpad X301. The only issue I ever had attaching USB devices to the machine was that the first device attached would fail, but every subsequent device would attach with no issue.

As of today, however, both with Karmic and - post-upgrade - Lucid, I am now experiencing the same condition:

[ 16.048101] usb 1-1: device descriptor read/64, error -110
[ 31.264117] usb 1-1: device descriptor read/64, error -110
[ 46.592113] usb 1-1: device descriptor read/64, error -110
[ 61.808058] usb 1-1: device descriptor read/64, error -110
[ 67.044174] usb 1-1: device descriptor read/8, error -110
[ 72.164216] usb 1-1: device descriptor read/8, error -110
[ 77.400214] usb 1-1: device descriptor read/8, error -110
[ 82.520243] usb 1-1: device descriptor read/8, error -110
[ 98.476053] usb 3-1: device descriptor read/64, error -110
[ 113.692039] usb 3-1: device descriptor read/64, error -110
[ 129.028050] usb 3-1: device descriptor read/64, error -110
[ 144.240597] usb 3-1: device descriptor read/64, error -110
[ 149.478207] usb 3-1: device descriptor read/8, error -110
[ 154.597772] usb 3-1: device descriptor read/8, error -110
[ 159.833392] usb 3-1: device descriptor read/8, error -110
[ 164.953947] usb 3-1: device descriptor read/8, error -110

This [https://answers.edge.launchpad.net/ubuntu/+question/4272] claims that removing the USB 2.0 module [modprobe -r ehci_hcd] will correct the condition, but this is clearly a suboptimal solution.

I can't be sure what caused the condition after a year plus of usage, but I can confirm that after multiple reboots and even a distribution upgrade, the problem persists.