Patrik: With the camera plugged in, try disabling and then re-enabling
ehci. Here are the commands:
echo -n :00:10.4 | sudo tee -a /sys/bus/pci/drivers/ehci_hcd/unbind
echo -n :00:10.4 | sudo tee -a /sys/bus/pci/drivers/ehci_hcd/bind
(replace :00:10.4 with whatever number is in
/sy
Michael: I have been playing with this as well. Here is something for
you to try as a workaround. I find that when I disable ehci, then re-
enable it, I can see the USB key and the one high speed device I have (a
Logitech C250 webcam) is found and driven with ehci driver. BTW, I'm
using 10.04 d
I can confirm the behavior on my IBM ThinkCentre 8171-YC3.
1. Boot with USB Flash drive inserted: Drive seen and operational, desktop
icon present, device seen as /dev/sdb and /dev/sdb1, mounted at /media/
2. Eject, remove USB Flash drive and reinsert: Single "blip" on USB Flash drive
LED then
I tried the "unbind" script from David Mitchell does allow my system to
"see" USB flash drives when I insert them. So does that point to the
root cause?
BTW, I documented my system details and behavior in a similar bug report
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/669902.
Given tha
Found a similar bug and also a "workaround"Bug is 645211.
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/645211 . I wonder
what negative effect that turning off ehci might have.
Workaround in comment #7:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/645211/comments/7
Quote:
Same
