Hardware :: USB Camera Kills Wifi?
Oct 16, 2010
My distro is Ubuntu 10.04 AMD X64, uname -r result is '2.6.32-25-generic'lsusb result:
Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 002: ID 0bda:8197 Realtek Semiconductor Corp. RTL8187B Wireless Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
My webcam is a Logitech C250. 1.5 volt USB webcam. My problem is this, every time I plug the webcam in, my wifi (internal USB) quits. Wifi Manager and WICD both say "wireless network disabled" I suspect that the USB camera is using more power than the kernel will allow. Does anyone know how to turn the power up on the USB hub without damaging anything?
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Jul 17, 2011
I was looking to iphone and i was surprised the quality of such tiny camera.
Is there any alternative camera for my laptop to have similar or much better then the one in iphone? So that i can use it from my laptop, but have very sharp HD quality with maximum megapixel + highest frame per second.
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Mar 17, 2010
put off the updater. I've had several complete system crashes after some updates...
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Sep 11, 2011
I installed the new suggested OpenSuse 11.4 updates and also the last KDE 4.6.5 updates from the Index of /repositories/KDE:/Release:/46/openSUSE_11.4 repository.The result: after restart and KDE relogin I ended up with a black screen. Only two windows (firefox and dolphin) were remaining on the black desktop. I was able to switch betwen these both windows but not able to open new ones (e.g. with Alt-F2).After login with IceWM, I switched off the composite manager and made a relogin to KDE. Now KDE runs, but of course without any desktop effects. When I switch on the desktop effect I can directly have a look on a black desktop.
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Jan 4, 2011
I have Parckard Bell Easynote B.V and i partitioned it in three forms C and D for windows in which D is used for backup E for Debian and i installed xp and debian were just running excellent later i thought of upgrading XP to win 7,after upgrading i had grub issues which i managed to repair but after repairing on the operating system list it still displays windows XP and no windows 7 on the list.i am stuck.
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Aug 13, 2010
On my friend's fedora 13 install, firefox was working, it seems, until the recent kernel update (kernel is now 2.6.33.6-147.fc13.i686).
After the upgrade, opening firefox would crash the system shortly after starting, so firefox was re-installed (once using rpm, once using yum).
After a re-install of firefox (using yum: firefox version is now 3.6.7) and Until a reboot, the repeated error report went something like this:
After checking to see if the flash plugin was still around and then doing a hard re-boot, however, just opening firefox immediately freezes the system.
Konqueror will run (albeit rather lamely)
In that I don't know the schedule for f13 kernel updates, if indeed the new kernel is causing this problem, does f13 save old kernels? How do I get the older kernel to start (with fc9 the option could be set in grub, or I could startx from a terminal but I have not been keeping up and am not sure how to do this.
I see there are many firefox issues lately...
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Nov 13, 2010
I got a new cable modem so I could get rid of the one I've been leasing from the cable company. It is a Motorola sb6120. Everything is fine with the ISP, it's approved for operation on their network, the only hitch was I had to use my Windows laptop to run their activation software.
At any rate, with the new modem installed, I hop on my Linux box and go to work. I'm seeing some terrible delays in looking up names. When I look with firebug, all the dns lookups for new names are taking 15+ seconds. First I just think maybe the names aren't cached or something is weird for a minute and it will get better, but no. After several restarts and then a couple days persevering with the new cable modem, all DNS queries are still terribly slow (including zypper, mail client, web client).
Suddenly I remember an issue I was having with, I believe version 11.1 when I first installed it. For just the computer on my network with a fixed IP address, DNS resolution was slow like this and if I disabled IPv6 then all was well. I believe there was even a patch issued back then for gethostbyname() that was supposed to fix the issue? So, when I disable IPv6, DNS lookup is back to normal. The two Linux computers on my network had been working fine with IPv6 and the old modem, though, and the Windows box is still working fine even with the new modem.
I can disable IPv6 and make it fast again, but really why should I have to?
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May 3, 2010
I'm running PC/OS 10.1, which is based on Xubuntu, I've got Compiz and everything installed on here. However, if I've got Compiz activated when I log out, I find myself with no titlebar or frames whenever I log back in. Thankfully, this is easily corrected by opening the Fusion Icon and going back to Xfwm and then going back to Compiz, where I have the titlebar and frames and eye-popping effects and the whole nine yards. But it'd be a lot nicer to not have to deal with having to correct that every time I log in in the first place.
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Oct 15, 2010
Has anyone got wine to funtion normally in Lucid 32bit... If I launch anything
Pokerstars
Full Tilt
StarCraft II
Call of Duty 4
All my sound for Ubuntu is killed... if I close all wine programs sound resumes..Sometimes and other times requires a complete reboot. I read that this is due to PulseAudio I'm not sure of the difference between
Alsa
OSS
Jack
EsounD
I'm not a termial whiz or nothing but I get around... great at following directions I installed wine from repositories an winecfg sound to ALSA Even know just to make sure I had ALSA right ( while listening to rythembox ) Even going to winecfg > sound Killed my sound from rythembox.
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Jun 19, 2011
Three times so far I have had to re-install ubuntu because I installed an updated or new Nvidia graphics driver for my GeForce FX 5200 The first time, using Natty Narwhal, I installed an updated graphics driver, and upon reboot, I was presented with a blank screen that did nothing. Being a first-time Ubuntu user, I assumed it was me, or a bug in the new release. So I burnt a Lucid Lynx cd on another pc, and installed that instead. Same problem when I installed a new graphics driver, again via Admin>>Hardware Drivers. Reboot yielded a blank screen. Booted from cd again, as I had no files yet to worry about, and everything seemed to be fine, providing I stayed away from that tempting hardware drivers button.
I then accidentally installed a new driver when installing the dependencies(via terminal) for OGRE (Object-Oriented Graphics Rendering Engine) This time, my terminal froze, Firefox wouldn't boot, and a reboot yielded a blinking, blank login screen that did not do anything. Obviously, I'd like to have a graphics driver, as currently I can't run anything that needs 3d acceleration (Games, 3d simulations, even Desktop effects), but it's not absolutely necessary. So if nobody can suggest a fix, short of a new computer, new graphics card etc, can anybody suggest a way that I can stop myself accidentally installing anything driver-ish? The driver worked fine on windowsXP, but there's two reasons I'm not going back to that: a) I hate it. Hate, hate, hate.b) I've lost the activation key that came with computer, so I can't reinstall.
Further detail can be provided on request. Computer is Dell Dimension 2400, 256Mb RAM, Hard drive is almost empty. Old and slow, but I like it.
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Aug 2, 2011
I recently installed 10.04 on my Dell Inspiron 9300. After a clean install, the ATi drivers (for a Radeon x300) were automatically installed, and worked fine out of the box. Soon after all of this, I decided to run an update. Now, while my drivers are listed as installed in synaptic, nothing is recognized, not even the command "aticonfig" when typed in the terminal. When I try to access the Catalyst Control Center, it tells me that either I have no video drivers, or there's a problem with my card.Is there anything I can do about this? I've already tried reinstalling the drivers from synaptic.
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Dec 28, 2010
I had applied all the updates available on 23rd Morning and Keyboard and mouse stopped working thereafter. The updates amounted to around 130 MBs in size. I can use the keyboard to select other items in Grub menu and it works upto the login prompt. I can change the console to Ctrl+Alt+F1 to F6 before the login screen. No response thereafter. I have set the autoloin after 10 Seconds and the notification asks me for enabling compositing.
When booted in recovery mode, the screen remains blank without the options like Repair Packages, Root shell, Resume etc.BTW, Ctrl+Alt+Del reboots the blank screen.What to do now? I thought that Reovery mode boot will give me the menu of these above items.The keyboard and mouse freeze just at login screen. So is it related to .gconfd or Gnome? Or can I unistall all the updates I had installed on 23rd December?At least how can I have the list of installed applications and my customisations in case of a reinstallation?Should I renstall and start all over again without any clue what I had done earlier?
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Sep 11, 2010
When I switch from X to a virtual terminal, my internet connection fails. here is lines from syslog
Code:
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Oct 21, 2010
User 1 and User 2 each start a mono process with sudo:
"sudo mono user1.exe" "sudo mono user2.exe"
Each user has a kill.sh in their directory, which is being called by user1.exe/user2.exe to kill the process.
The script itself is
ps aux | grep 'mono user1.exe' | awk '{print $1}' | xargs kill
which in theory should pull *only* the PID of "mono user1.exe" and kill only that. The problem: It kills any and every single instance of mono that is running on my system, every userx.exe thats open. I am confused, as a simple "ps aux | grep 'mono user1.exe'" does only return the mono user1.exe process and not the others. "ps aux | grep 'mono'" returns them all though. how I can modify that script so that it only kills the specific process? Would "pkill -9 -f 'mono MCuser1.exe'" work as well - or would it too kill every instance of mono? I cant do a lot more of trial and error, its not good I am killing those instances accidently...
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Jun 22, 2010
I'm keen to install Ubuntu on my old laptop (HP ze4500 2.4GHz 1Gb Ram 120GbHDD) But during installation (I presume as soon as the screen capture function becomes available) A zillion screen capture screens appear and lock up the system. It may be due to my prtscn button being missing. Actually its just the plastic part and the rubber button mechanism is still present. The button works without the plastic part completely fine in windows. That is to say I can press it when I want to use it and it works and it does nothing noticable otherwise.
Seems like a pretty trivial way to kill ubuntu, perhaps there's a trivial way to solve this problem on my laptop without replacing it? I do get through to the desktop sometimes if i carefully dont touch the keyboard and shutdown the screencapture panels as they appear. It doesnt seem to matter which method i use to get into the desktop though livecd/install alongside windows/fresh install.
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Sep 8, 2009
im a having a problem whit the terminal on my CentOS 5.3.After i installed the kernel-xen and activate it at:/boot/grub/grub.conf.I tried to start a terminal from my root gnome sesion and it shows this error:There was an error creating the child process for this terminal.I know swithcing the kernel made the problem because when i use the old kernel the terminal works fine.and even when i tried to connect to my Centos server via ssh it shows an error after asking for password:Server refused to allocate pty.
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Dec 12, 2010
I've installed lenny recently and from the very beginning i've got problems with flash. While watching flash films on ..... and other sites everything is fine until I try to switch the film to fullscreen mode. When pressing the fullscreen icon, browser is killed at once. It happens in iceweasel and epiphany as well. I tried flashplayer-mozilla and flashplugin-nonfree from repos and the problem remains the same.
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Jun 18, 2010
I installed Lenny for my new server and set a static IP the usual way:
# This file describes the network interfaces available on your system
# and how to activate them. For more information, see interfaces(5).
# The loopback network interface
[code]....
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May 5, 2010
Just updated the kernel to 2.6.32.22 as requested by Update Manager, and was rebooted into low graphics mode, the nvidia kernel module failed to load.I tried installing the linux-headers-2.6.32.22 but this made no difference. This could get ugly if such an early update mucks up
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Sep 16, 2010
I searched online, but I was unable to find anything on this. I recently tried to install a program, but it did not work. After that, anytime I would open a folder that is located on the local computer, it would close out of Nautilus. I thought that was the extent of the problem, but I just discovered that if I click "Open" on any program, it closes that program out. I was able to plug in a jumpdrive and browse the files on it, but as soon as I clicked on a folder that was local, it would kill the program. I am using 8.10, by the way.
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Oct 5, 2010
Just upgraded to Maverick RC1 and have found that disabling bluetooth via the panel applet also kills my wireless..
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Dec 8, 2010
I upgraded today from 8.04 to 10.04 using the update manager. I'd never done it this way before, always just reinstalled, but everything worked fantastically, except for this anomoly.
Wireless was working faultlessly in 8.04. After the upgrade, cable works fine and lspci gives me this:
Intel Corporation PRO/Wireless 3945ABG [Golan] Network Connection (rev 02)
So the system can still see the card. But have a look at this:
Code:
... and this:
Code:
So, using Network Manager (wicd no diff), running exactly the static IPs I had before but nothing. Doesn't see any access points, not just mine.
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Feb 21, 2011
if i start an application using the terminal.. it gets closed if i close the terminal.. how can i not let this happen?
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Apr 29, 2011
Installing gnome3 on 11.04 kills unity and even gnome2. I heard installing gnome3 from source solves the problem, any one tried that? I want gnome3 to be alone, if I change its wallpaper I don't want gnome2 or unity wallpaper to be changed.
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Jun 17, 2011
Using 11.04 and GIMP 2.6.11. When I click the rulers to add a guide, no guide is added and clicking becomes unresponsive throughout gimp. Additionally, gimp steals all keyboard input from all other applications. I found out I can restore keyboard/mouse input to normal by simply minimizing the gimp main window.
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Oct 31, 2010
red hat 5 update 4 64bit. linux newby. on an interactive boot i can ping -t my vm linux server from my physical MS XP workstation and a vm W2000 64 bit server until xend is started, after that i get destination unreachable. if i choose not to start xend on the interactive boot i retain connectivity. i have read some blogs that imply this might be a bug - is this so? do I need xend on my vm red hat box that is a database server?
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Nov 1, 2010
red hat 5 update 4 64bit. on an interactive boot i can ping -t my vm linux server from my physical MS XP workstation and a vm W2000 64 bit server until xend is started, after that i get destination unreachable. if i choose not to start xend on the interactive boot i retain connectivity. i have read some blogs that imply this might be a bug - is this so? do I need xend on my vm red hat box that is a database server?
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Jul 13, 2010
I'm having trouble working with Xen on debian, I have many centos servers running Xen and have no problems. Everytime I start or stop a XEN vm it kills networking on the host OS for about 30 seconds. It doesn't respond to pings or anything, then it returns and everything works. I have asked about this issue in #xen on freenode.
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Jun 1, 2011
I rebooted my system about a few days ago to find that whenever X was started, my mouse and keyboard would not function. I am unable to even switch to another tty when this occurs, however alt+sysrq+r will allow me to switch ttys again.
Xorg.0.log
[ 70.287]
X.Org X Server 1.10.1
Release Date: 2011-04-15
[code]....
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Mar 28, 2016
Whenever I try to play AC3 audio, after a few minutes, the audio dies and never recovers. This doesn't occur with mp3's / etc, although once the audio dies because of AC3, it's gone for good. So this is probably related to surround sound(?).
After I lose audio, speaker-test produces
Code: Select allWrite error: -5,Input/output error
xrun_recovery failed: -5,Input/output error
Transfer failed: Input/output error
K-Mixer won't even open afterwards. I flipped from GNOME to KDE because of this problem (PulseAudio freezed the system entirely).
Additional info:
Code: Select allAudio device: Creative Labs EMU20k2 [X-Fi Titanium Series] (rev 04)
Output device: IEC958 Non-audio output
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