General questions about hardware under Linux/Unix. Use a more specific tag if applicable.

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7
votes
1answer
4k views

“Northbridge Error (node 0): ECC Error in the Probe Filter directory”

I've received an e-mail from a user worried that the following errors on one of his servers is indicative of a serious problem. The trouble is, the errors below are all that I have to go on. I ...
5
votes
1answer
250 views

Why Nmap fragmented scan on Linux is only working from virtual environment?

OLD QUESTION AND TITLE (Look further down for the updated question): Why Nmap fragmented scan is only working on Backtrack? I spent quite a few hours today trying to capture and study some ...
3
votes
1answer
23 views

Console keymapping

I have installed Arch Linux on my Thinkpad W530, and none of the Fn-Fx keys or the volume buttons work. However, they do work before I have booted into Arch at the Grub menu. (I can change the ...
3
votes
1answer
64 views

accelerated HTML5 video: what hardware is supported well by Linux?

After many, many, many failed attempts to get accelerated HTML5 video working on any hardware (tested about 5 machines) I came to the conclusion that accelerated HTML5 is something difficult under ...
3
votes
1answer
325 views

Set NetworkManager to ignore rfkill

My notebook does not have a hardware button to disable wireless. But NetworkManager and rfkill see wireless as hard blocked. Wicd and iwconfig works well. Is there any way to disable hard block check ...
3
votes
1answer
870 views

Can I use a parallel port as a CUPS input device?

I have an old piece of a hardware that does diagnostics on medical equipment. It prints out results over a parallel port. Is there any way to have CUPS accept jobs from a parallel port and redirect ...
2
votes
1answer
30 views

Clocks, Hardware, and Booting

A few days ago, I was having some difficulty booting my Mint 17.2 installation. Essentially, after boot my screen would go black, and I would not be able to do anything - even after some time, the GUI ...
2
votes
1answer
2k views

Problem with former RAID hard drive settings in Linux Mint 17

I'm new to Linux, just installed Linux Mint for the first time. I have two hard drives which were previously in a RAID configuration. Now before I have installed Linux I've changed them to individual ...
2
votes
1answer
837 views

azap from LinuxTV dvb-apps strange signal behavior with Hauppauge WinTV-HVR 950Q

What I want to do I have a Hauppauge WinTV-HVR 950Q USB-TV-Stick. I want to use this stick to successively tune to and read in a certain live TV stream. What I do I trigger a scan and save the scan ...
1
vote
1answer
446 views

Ubuntu 14.04 built in webcam not being detected

Hello I am running Ubuntu 14.04 and my webcam is not recognized. It used to work fine but recently it is not working. I got my screen replaced by dell and also the motherboard and heatsinks for a ...
1
vote
1answer
147 views

Hardware error in syslog after gaming

Sometimes when I'm playing a game I'll get the following message from syslogd: [16789.554414] [Hardware Error]: Corrected error, no action required. [16789.554418] [Hardware Error]: CPU:0 (15:2:0) ...
1
vote
1answer
170 views

lsusb shows USB devices that are not connected

I have the weird issue that lsusb shows USB devices that are not connected. We have a couple of devices connected via USB. To disconnect them from the system we disable the power to the USB port with ...
1
vote
1answer
2k views

Understanding “Hardware error from APEI Generic Hardware Error Source” error message

Summary: I'm trying to understand exactly what the following error message means: [17016.923750] {4}[Hardware Error]: Hardware error from APEI Generic Hardware Error Source: 1 [17016.923758] {4}[...
1
vote
1answer
235 views

hardware accelerated window manager

i got a hand me down lenovo thinkpad and i was pleased that it was still comparatively fast as it was running windows 7 very smoothly... but since i switched to CrunchBang (i'd like to think i'm ...
1
vote
1answer
41 views

Does the NICs have any kind of log?

Recently I had an issue with my server, my nagios couldn't ping it and lost connection with the NRPE daemon, in my host provider interface I could see the server was ACTIVE but either I couldn't ping ...
1
vote
1answer
159 views

Disable hardware ad-hoc

I am running Parted Magic doing some data recovery, that I am finding myself concurrently using for some other minor tasks also. Problem being, typing is a nightmare, as the trackpad is enabled (No ...
1
vote
1answer
90 views

Need list of HDD devices excluding my os HDD

I want list out whole HDD device excluding my os running device attached to my system. I did lot's of googling and fired many more commands in command line of linux. but can't gating proper output. ...
0
votes
1answer
22 views

Convert non-raid disk with data into RAID 1 disk (hardware controller)

I moved away from software RAID due to all the hassle it brings. After OS reinstall, I am left with only one drive. I ordered a hardware RAID controller today, and when the controller arrives, I'd ...
0
votes
1answer
132 views

Re-reading the partition table failed with error 16: Device or resource busy

When re-partitioning the USB drive on CentOS 6.x getting following error and kindly advise to solve this. Disk /dev/sdb: 31.5 GB, 31466323968 bytes 255 heads, 63 sectors/track, 3825 cylinders Units = ...
0
votes
1answer
51 views

How to make FreeCAD utilize multple cores?

I am currently on a modified version of debian-standard, jessie, using xfce and LightDM with some amd drivers for the gpu. But my issues is that I am using an 8 core AMD FX 8320, all cores detected ...
0
votes
1answer
41 views

Can't boot into my Linux partition--disk is supposedly at fault, but scans show no errors

I'm trying to boot into my Linux partition, but receive this message: Welcome to emergency mode! After logging in, type "journalctl -xb" to view system logs, "systemctl reboot" to reboot, "systemctl ...
0
votes
1answer
31 views

Use NVIDIA graphic card as regular resource

I don't use my graphic card anymore, but it is still laying there, idle. Is there a way I can turn it back on and use it just a regular, additional CPU/RAM for my laptop?
0
votes
1answer
225 views

Why are the up and down arrows keys not always working on multiple platforms?

Very recently, maybe within the last two weeks this issue has started cropping up: once maybe every two days or so, the up and down arrow keys simply stop working for a while - I can move the cursor ...
0
votes
1answer
175 views

Linking two hardware serial ports

I have two micro-controllers which are connected to my computer(ubuntu 12.04) through serial-USB cables. One of the controllers (ttyUSB0) is programmed such that it sends data serially and another (...
-1
votes
1answer
849 views

How to stop CPU fan in Linux?

I use an old computer. CPU fan creates big noise. Sometimes CPU fan suddenly stops and does not work for a long time, and CPU does not get heated in these long periods, because I use very light-weight ...
1
vote
0answers
246 views

Fedora 14 touchpad issue

I have an HP 3031-et series laptop. My hardware is: Intel i5 460M 3 GB DDR3 RAM Graphic Cards: ATI READON 5650 HD and Intel HD Graphic I installed Fedora 14 on my hardware, and after installation ...
0
votes
0answers
14 views

steps to troubleshoot bluetooth dongle?

How do I troubleshoot, or at least gather more data in order to troubleshoot, a bluetooth dongle? In particular, from the CLI. On a lower level, I can see the bluetooth hardware: thufir@mordor:~$ ...
0
votes
0answers
12 views

Check FN lock status (Dell XPS 13)

my Dell XPS 13 has a Fn-Lock (that's a key to use the Fn version of the F[1-12] keys without pressing Fn). Unfortunately, it doesn't have an indicator LED for it. setleds doesn't show it. Is there ...
0
votes
0answers
27 views

Grub (debian) will not start in AHCI mode

I was running my Debian (Acer laptop) for quite some time without much trouble. However, when I started it recently I've got message: No bootable device - insert boot disk and press any key It ...
0
votes
0answers
34 views

Linux HP Pavilion overheating

I'm new to Linux OS and I'd like to dual boot it with Windows 7 on my HP Pavilion 15 P257NL. I tried installing Ubuntu 14.04 LTS, but the pc started to heat a lot (only on Ubuntu, it kept working as ...
0
votes
0answers
9 views

My external HDD gets unmounted when I suspend my laptop

I have an external 2.5" HDD, power via USB. When I suspend it, the drive powers down. When I wake the computer up, the drive is detected to be plugged again. Hence it's unmounted (my computer is not ...
0
votes
0answers
30 views

May recurring X server issues be a hardware problem?

This is my first time asking a question here. Please correct me if I don't follow the process correctly. I also know that a similar question has been asked here - It was said though that the problem ...
0
votes
0answers
36 views

Set Default Boot Device for XServe in Open Firmware

I have an old Apple XServe G4 that I successfully created a dual boot of Mac OS X and FreeBSD 10.2. In order to boot the machine, you have to go into Open Firmware and issue a boot command... I ...
0
votes
0answers
8 views

lsusb can't detect pickit2

I have installed Arch Linux (i686) every thins works fine but when I try ti plug the PicKit2 (Programmer for PIC MCUs) and run lsusb it doesn't shown in the list I tryed it on Win7 machine and works ...
0
votes
0answers
23 views

Problem installing Panasonic's KV-SS080 Scanner

I bought a used Panasonic's KV-SS080 but so far I was not able to get it working. For lsusb, here is the response: Bus 001 Device 006: ID 04da:100f Panasonic (Matsushita) For sane-find-scanner, ...
0
votes
0answers
88 views

Force Broadcom bluetooth to see wlan0 in down state

I`m running a 64bit Arch Linux on an old Dell Laptop. The wireless hardware, unfortunately, is from Broadcom (BCM4312 LP-PHY for wifi and BCM2046B1 for bluetooth). A Lenovo bluetooth mouse works and ...
0
votes
0answers
26 views

Is it safe to retask other audio ports as lineins using Jack?

So, I wanted to setup my Linux PC to record multiple line in audio devices without putting holes in my wallet. Then I found a tool called hdajackretask which lets me convert any port into any other ...
0
votes
0answers
173 views

SD Card not recognized

I have 2 laptops with Linux Mint 17.2 installed. One recognized SD card without any configuration. Other recognized SD card, but don't read this content. This message appears in GParted: Can't ...
0
votes
0answers
26 views

How to broadcast voice from USB microphone to apache?

I have a webcam and a microphone. I wan't to send both, sound and video to my index.php so i can see the video from the camera and hear the sound from the microphone. I already managed to stream the ...
0
votes
0answers
28 views

Server hardware errors?

I have a large data server running ZFS-on-Linux under Debian 6.0.10, which has been running stably for several years. In the last two weeks, however, it's been crashing every few days and throwing ...
0
votes
0answers
70 views

PCI Device Missing After Reboot

I have a DVBSky T9580 PCI tuner card. My problem is that after rebooting,, the device dissapears, lspci does not list it any more. I tried rebooting with reboot command as well as shutdown -r 0. ...
0
votes
0answers
143 views

Chrome with YouTube uses a lot of CPU on Asus Eee PC

Is it possible to play 480p videos smoothly on my Asus Eee PC 1025CE with LM17 onboard? I've seen discussion about this on other sites online, but nothing here. PC: Asus Eee PC 1025CE Chrome: Version ...
0
votes
0answers
250 views

New-installed debian system hangs on boot (probably a hardware issue, likely USB, maybe Ethernet?)

I recently migrated an entire system from Crunchbang 11 to vanilla Debian 8.1 (in the cleanest way possible --- backed it all up, blew away the old install, reinstalled the old /home and /usr/local, ...
0
votes
0answers
107 views

Check for hardware damage (GPU)

I need to check for damage to my graphics card. I suspect I have done damage to my gpu through overclocking. Now, whenever I do anything graphically intensive my screen will flash various colours and ...
0
votes
0answers
2k views

How to use INSIGNIA USB bluetooth adapter on Debain (Kali Linux)?

I've just purchased a USB Bluetooth adapter for my computer the brand is Insignia and I was wondering if it's possible to use it on Debian (Kali Linux)? Ok I got it to recoginze the usb device by ...
0
votes
0answers
258 views

Debian disables IRQs

It's been two days that my Debian Wheezy 7 randomly disables IRQs apparently with no reason. After the IRQs are disables, I'm unable to mount hard disks and I have to reboot. This is the output of ...
0
votes
0answers
228 views

Extremely slow CD-ROM burning

When I try to burn a CD-ROM using K3B, the burner slows down from 10x to 0.12x after writing exactly 71MB. Consequently, burning a 142MB live CD takes more than a hour. Why is this happening? The CD-...
0
votes
0answers
34 views

Where to emit hardware events?

What is the most common way to emit events from hardware sensors? Use ACPI events, send signals via DBUS? My goal is compatibility so other apps can easily use those inputs. What is the Cleanest ...
0
votes
0answers
260 views

Wifi-Hardware seems not to be enabled

in my MSI Wind-Box DC 110 I have this Wifi Chip: RTL8188CE (says the sticker on the chassis and the vendor told me that they are sure the device is implemented) and I cannot connect to any Wifi - ...
0
votes
0answers
280 views

Ubuntu 10.0.04 Microsoft mouse “extended functions” not recognized

Related to a question still answered: http://askubuntu.com/questions/240176/mapping-microsoft-mobile-mouse-4000-back-thumb-button I have a Microsoft-Explorer-Mini-Mouse (which happens to be a good ...