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

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0
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1answer
13 views

Has Mesa dropped support for HW acceleration on very old GPUs?

Today I've tried launching Kubuntu 12.04 LTS on my HP OmniBook XE3 with S3 Savage IX-MV video chip only to find out this: $ glxinfo|egrep 'renderer|direct' ...
0
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0answers
64 views

How good is the support in Intel Skylake Core M processors?

I've been starting to think about upgrading my 2-in-1 tablet/laptop. My eyes caught the new Asus UX360CA which sports a nice Core M 6Y30 processor (it seems that the specification is very close to the ...
3
votes
0answers
1k views

Kernel does not detect Hardware / Software or Hardware fault

I've got more of a basic question for you: My Linux kernel (I tried several here from stock 2.6, 3.2 and 3.5 as well as a custom 3.7.3 one) does not detect my synaptics touchpad - or I am too dumb ...
2
votes
1answer
143 views

Intel Ethernet Connection I219-V not working under Linux, e1000e driver reports: “The NVM Checksum Is Not Valid”

I have a problem with an ASUSPRO B8430UA laptop: when I boot it (from a USB drive) with either nixos-graphical-16.03.858.b8d7324-x86_64-linux.iso or ubuntu-gnome-16.04-desktop-amd64.iso, I cannot ...
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0answers
19 views

udev rule not executing the script specified in RUN

I have the following in /etc/udev/rules.d/40-swallowpv.rules: ACTION=="add", KERNEL=="sd[a-z]+", RUN="/var/tmp/swallowpv sdc" (I've also tried with RUN+= to the same effect). The first thing the ...
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 ...
6
votes
1answer
109 views

How do I get vendor-given name of my video card?

lspci gives me the following information: $ lspci|grep VGA 01:00.0 VGA compatible controller: NVIDIA Corporation GF104 [GeForce GTX 460] (rev a1) This is all correct, but this is generic name of ...
2
votes
1answer
25 views

Controlling display backlight manualy

After a fresh new install of Debian, I can't control my displays brightness via the "xbacklight"-tool ("No outputs have backlight property"). While this is curious enough (since their was a time it ...
1
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0answers
19 views

Difference between intel-driver and GPU

I have a i7-6700 HQ and therefore a HD Graphics 530 integrated However I'm confused about "what-is-what" in my system since my kernel is using a driver called i915. Is this the "main" driver for ...
2
votes
1answer
3k views

How to test an ethernet card?

I have a USB->Ethernet card that may or may not be somehow broken. The problem is I don't really know how to test it. I have a normal Ethernet port as well, so I can hook a (already tested) cable from ...
11
votes
6answers
16k views

generate consistent machine unique ID

Can we generate a unique id for each PC, something like uuuidgen, but it will never change unless there are hardware changes? I was thinking about merging CPUID and MACADDR and hash them to generate ...
6
votes
2answers
1k views

What is causing a pause during the system device probe?

I am running FreeBSD 10.0-RELEASE. During the boot device probe there is a two-times 30 second pause. The output relevant to this is # dmesg ... (aprobe0:ata0:0:1:0): ATAPI_IDENTIFY. ACB: a1 00 00 ...
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 ...
3
votes
1answer
878 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 ...
3
votes
1answer
37 views

Does Linux Cache Hardware Info?

Questions Does Linux store hardware information between boots? (Such as EDIDs) If so is it possible to configure what gets cached? Background The reason I ask is that I currently am trying to ...
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
2answers
963 views

Enabling graphics acceleration for OpenGL over remotely via VPN from Ubuntu client(my laptop)to Windows server(computation is here)

I have an access to Internet via a Wifi. Then, I have a VPN connection established from my Ubuntu laptop to a LAN network. My Windows Machine where computation happens using OpenGL is on the same ...
2
votes
1answer
844 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 ...
4
votes
2answers
54 views

How does Linux handle drivers when changing systems?

This has always made me wonder but how does Linux handle device drivers from system to system, so say you plug it in on computer A and then move to computer B with completely different specs. In ...
5
votes
0answers
477 views

Scrolling with a WACOM tablet pen

I've got a wacom pen with a button. How can I trigger scrolling when moving the pen with the button pressed? According to xev, below, the triggering events are MotionNotify with state 0x200. If this ...
17
votes
5answers
9k views

Detecting headphone connection/disconnection in Linux

I am trying to detect a signal when a headphone is connected or disconnected from the system. What is the best way to do this? If there is a special board with drivers, that will be my preferred way....
0
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0answers
24 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
1answer
31 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 ...
1
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1answer
28 views

Kernel and User space System Calls [closed]

I understand some complex internal of OSes, but I have a large gap in understanding kernel and user space. I will explain how I understand this now. First of all we have RAM for example 8GB, ...
1
vote
1answer
61 views

Recover data after hard drive faliure

A couple of days ago I tried getting an old server of mine up and running. It was working initially, but after updating and rebooting the system a few times the system refused to boot, dying at GRUB ...
1
vote
2answers
140 views

Sudden shutdown happens only when I have PhpStorm opened

I've had this reoccurring sudden shutdown issue happening recently, and it always happens when I have PhpStorm opened, I'm not sure if it's related, but it still seems random, meaning that sometimes I ...
3
votes
1answer
2k views

What does “DMA: Out of SW-IOMMU space” error mean?

First the link: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1060268 Since this affects the kernel and other Distros, what does this type of error mean and why it happens?
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0answers
35 views

Ubuntu 15.10 on Dell Inspiron 13-7353

I’ve installed Ubuntu 15.10 on a Dell Inspiron 13-7353. Things work okay overall, but two critical problems have appeared. First, occasionally, when the laptop wakes up from sleep the screen will ...
0
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0answers
14 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 ...
1
vote
1answer
36 views

What does a “Synchronous” type detail mean in dmidecode?

I'm curious if my 2 DIMMs are running dual-channel or not and use: dmidecode -t 17 ... Type Detail: Synchronous ... What does a "Synchronous" type detail mean? Dual-channel?
4
votes
2answers
854 views

Mouse pointer moves on its own

When I leave the mouse (Logitech Performance Mouse MX) alone, it moves (somewhat continuously) ever so slightly on its own! This causes several issues: when watching a video full screen, the seek ...
0
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0answers
40 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 ...
3
votes
1answer
25 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 ...
2
votes
2answers
601 views

How to make my RTL8191SU Wifi adapter go in monitor mode?

I recently bought this WLAN adapter on Amazon. I am trying to use it with Kali-linux, but it looks like it doesn't want to go in monitor mode: Error for wireless request "Set Mode" (8B06) : SET ...
1
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1answer
42 views

How can I find if my wifi card supports 802.11ac?

I am unsure if my wifi card supports 802.11ac. How can I find out this information?
6
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2answers
13k views

Is there a way to dump a CPU's CPUID information?

I'm familiar with lshw, /proc/cpuinfo, etc. But is there a method for getting at a CPU's CPUID opcode?
2
votes
2answers
330 views

How to find serial number of Solaris server?

Is there any command which will be available on Sun Solaris Netra T5220 server, to get the machine's serial number?
4
votes
3answers
5k views

How can I know the max possible transmit power of my wireless card?

Is there any way for me to tell the maximum possible power of my wireless card from within Linux? Or do I need to find the product number of the card, and search for specifications like that online?
0
votes
1answer
124 views

Linux command to find SD card UUID on Ubuntu/Debian

What is the Linux command to find SD card UUID on Ubuntu/Debian ? BTW: My SD card is not a USB device.
1
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2answers
38 views

Is this “Hardware Error” when using Matlab in Fedora really a hardware problem or could it be software?

I often found the following problem when I using Matlab 2012 in Fedora 20, during or after fft calculation or plot figures. The following is the error massage: [ 635.157606] mce: [Hardware Error]: ...
1
vote
1answer
42 views

Control fans of Samsung NP900X3E

I have a Samsung NP900X3E laptop and I would like to control the fans as one of them is making weird noise. I'm running Ubuntu 14.04.4 LTS with "Linux laptop 3.13.0-85-generic #129-Ubuntu SMP Thu Mar ...
5
votes
2answers
1k views

Linux Distro specifically for benchmarking?

At my current position, we use some outdated proprietary software in order to benchmark new computers that the company is testing and evaluating for purchase. We would like to move on to something ...
5
votes
1answer
6k views

APEI Generic Hardware Error

Over the past week my server (running Debian Jessie) has rebooted twice. In the syslog I see this before each reboot, and at no other points: Aug 15 13:32:58 hoshimiya kernel: [296512.005355] {1}[...
3
votes
1answer
73 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 ...
2
votes
1answer
41 views

How to map Linux hard drive identifiers like “sd 3:0:0:0:” to ones like “ata8:”? [duplicate]

In my kernel log, I can see entries like: [ 0.765510] sd 3:0:0:0: [sdb] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) and when something fails, it's usually something like: [ ...
8
votes
3answers
6k views

How do I make my disk unmap pending unreadable sectors

I have a disk with some pending unreadable sectors, according to smartd. What would be the easiest way to make the disk remap them and stop smartd from complaining? Today, I get two of these every ...
0
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0answers
35 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
1answer
123 views

How can I test a used computer for problems?

Are there any commands that I can use on a secondhand laptop or PC running Linux that will tell me if there are any problems with the system? If so, what are they? For example, battery life/condition,...
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
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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 ...