On 28-May-2012 10:32:06 Bev Nicolson wrote:
Every so often (not too often happily) both keyboard and mouse will stop functioning. It seems to happen most often when I plug a camera or MP3 player in. The only way to get them going again is to switch everything off. (If I touch the off button it will shut down in 60 seconds from the shut down dialogue box.)
What I'm wondering is, has anyone here come across this problem and is there another, more permanent, solution to it? I would add that I've never had to install any drivers for any such devices, so I'm pretty confident that's not the issue. [Unbuntu 11.04.]
Bev.
Hi Bev, I've not had that particular kind of thing happen, but it suggests that USB devices may be treading on each others' toes.
If, when it happens, you can log in (as root) to that computer from another machine via the network, you might try having a look at the USB devices. Start off with the file /var/log/messages, which may flag up an untoward event. Then look under /proc for anything that looks as though it may have to do with USB, and so on.
Sorry not to be more specific, but this kind of thing tends to involve a lot of poking around.
If you do find a mount-point which corresponds to what you plugged in to bring things to a halt, try unmounting it and see if that cures things.
Good luck! Ted.
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