Tagged Questions

1
vote
1answer
135 views

About powering USB device on Linux: Android camera app recognizes USB camera but Ubuntu doesn't

On my notebook, I have a USB camera, 32-bit Ubuntu 10.04 running on SD Card and Android Jelly Bean on flash memory. Ubuntu doesn't recognize the camera (even the USB port), cause it doesn't offer any ...
2
votes
0answers
121 views

“power off and on” specifc usb port in Ubuntu 12.04

I am trying to power off and power on usb port in Ubuntu 12.04 without success. I tried the steps listed below: echo "0" > "/sys/bus/usb/devices/$port/power/autosuspend" echo "auto" > ...
1
vote
1answer
220 views

Disable USB keyboard wakeup

With the update from 11.04 to 12.04, my USB keyboard activity will wake Ubuntu from 'suspend'. I'd like to disable this. (My battery went dead due to some unexpected keyboard activity.) This didn't ...
0
votes
0answers
71 views

Can't 'wake up' server using keyboard

I'm not sure if this is a setting on my end. I leave my server 12.04 on and after a while the screen shuts off. But I cannot reactivate it or 'wake it up' using the keyboard once this happens. But ...
0
votes
1answer
102 views

My mouse / keyboard response gets delayed if I don't use it all the time.

Occasionally my mouse / keyboard would take extra long to respond to input. If I moved the mouse or pressed a key it would take an extra second to respond the work normally. If I leave it alone for ...
1
vote
1answer
1k views

How can I disable usb-autosuspend for a specific device?

This is related to the issue discussed in this question. Summary: the mouse freezes when operating on battery since it is autosuspended after a certain time and needs more time to wake up. Disabling ...
1
vote
1answer
3k views

USB hub not working properly Ubuntu 12.04

USB hub acting strange on Ubuntu 12.04 LTS. On Windows all devices are working properly, but on Ubuntu there are several issues, so it is not hardware issue. HDD is not recognised, unless it is the ...
0
votes
0answers
157 views

Webcam stops/turns off when I the recorded motion seizes

I got a weird problem. My webcam stops recording when I leave the view. Then, if people move by at medium to far distances, it does not turn on again. As soon as I step into the view (close to the ...
3
votes
5answers
1k views

USB Mouse sleeping after 5 seconds when on battery

My usb mouse sleeps after 5 seconds of inactivity when running on battery power. It wakes uo again when i press any button on the mouse. This is really annoying. I have made lsusb, and I noticed my ...
0
votes
1answer
154 views

USB ports at 10Volt

There is a small "driver" from asus, AI Charger, that turns the PC's USB ports into 10V power supplier, which allows me to charge my iPad from my computer. Problem is, this only works on windows. Is ...
0
votes
1answer
670 views

Suspend USB power to a laptop cooling pad when going to suspend mode

When I suspend the laptop, the USB devices are left on. I don't mind this in general, however I'd like to be able to turn off the cooling pad under it. I tried the things outlined in the following: ...
2
votes
3answers
4k views

How to disable auto power off of usb devices like usb mouse?

I don't know how , but somehow automatic power-off of usb devices got accidently enabled. Now my usb mouse goes off even if it's idle for 2-3 seconds. it's really irritating. help?!!!!! P.S. This ...
1
vote
2answers
748 views

USB blocks suspend on a Gigabyte GA-890GPA-UD3H with ATI SB700/SB800

Following on from question 12397, I'd still like to get suspend working on my Phenom II X6 / GA-890GPA desktop machine running current Maverick. When I run pmi action suspend the machine doesn't ...