-1
votes
1answer
27 views

how to increase MaxPower of specific usb port

it takes long while to charge mobile phone by usb port. how do i specifically increase MaxPower of usb port ? this cmd help to understand MaxPower of usb port root@ROHIT-PC:/home/rnztx# lsusb ...
0
votes
0answers
21 views

Why does usb power go off?

When i boot ubuntu from dvd, the mouse and keyboard work up to the point where i must choose to try or install ubuntu. The keyboard and mouse still have power while loading or installing. But when the ...
0
votes
1answer
135 views

Mouse turns off after a few seconds (Ubuntu 13.10, Windows 8.1) [duplicate]

I tried lsusb and I can see my mouse in the list. I tried for foo in /sys/bus/usb/devices/*/power/level; > do echo on > $foo; > done But I got this reply bash: ...
6
votes
2answers
778 views

How do I get a wireless USB keyboard to to wake Ubuntu 13.10 from suspend?

My PC with Ubuntu 13.10 is set to suspend after 30 minutes of inactivity. Up until it suspends I can resume working at any time using my Logitech K400r wireless USB keyboard. The OS defect/problem ...
0
votes
0answers
30 views

port power related function is not calling while the insertion/removal of usb device from usb port

I trying to understanding the usb power manageent , while debugging there is no port power function is called while the insertion/removal of the usb device from the usb port. I am also trying to ...
0
votes
0answers
98 views

usb drive spin down

I have 2 usb hdd drives connected to my notebook with ubuntu 14.04, each of them spin down after ~10minutes. I need to make them always in active mode (no spin down). I tried sdparm and hd-idle, but ...
0
votes
0answers
80 views

After pm-suspend /WOL the (usb) file system is read only

Ubuntu Server 12.04 for low-power home server (NAS mainly). System boots from USB pen-drive (to keep all IDE/SATA ports available for RAID, etc.). System will suspend when idle for time. pm-suspend ...
2
votes
1answer
98 views

What log files should be examined to troubleshoot shutdown issues in relation to USB devices?

I am currently having the following issue: Close lid of laptop - laptop suspends Open lid of laptop - laptop resumes Select Shutdown from menu - computer reboots Suspend computer from menu - ...
1
vote
1answer
128 views

How to manage USB powering for sleep mode?

How to disable USB powering for sleep mode while on AC? Settings for each controller or each device would be nice, but I'm glad to see even a global setting. If on AC, after my Ubuntu turns asleep it ...
0
votes
1answer
369 views

How can I find out what the settings in /sys/bus/usb/devices/<id>/power mean?

I am trying to hammer out an issue with one of my USB hard drives constantly falling asleep and waking back up. I made my way into /sys/bus/usb/devices/3-4/power .. inside are a number of settings: ...
0
votes
1answer
121 views

How can I enable USB power after pc shutdown?

I'm using Ubuntu 13.10, my motherboard is : Manufacturer: Intel Corporation Product Name: DP965LT Version: AAD41694-206 I need to have a power supply from USB even when my pc is turned off. I've ...
2
votes
0answers
180 views

Apple aluminium keyboard hub is supplied to little power

I have an Apple aluminium keyboard with an integrated hub. On Mac OS X, I'm able to connect both my mouse and a USB pen drive while on Linux, the power limit is exceeded when connecting more than one ...
5
votes
2answers
8k views

Power on/off USB ports

Is it possible to on/off specific usb port using terminal in ubuntu? lsusb displays the following result Bus 001 Device 002: ID 8087:0020 Intel Corp. Integrated Rate Matching Hub Bus 002 Device ...
1
vote
1answer
594 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
2answers
2k 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
1answer
397 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 ...
2
votes
3answers
5k 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
5k 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 ...
5
votes
6answers
7k views

USB Mouse sleeping after 5 seconds when on battery [duplicate]

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
498 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
2answers
1k 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: ...
8
votes
6answers
15k 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
840 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 ...