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

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0
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1answer
23 views

Linux command to find SD card serial number on Ubuntu/Debian

What is the Linux command to find SD card serial number on Ubuntu/Debian ? My SD card is not a USB device.
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 ...
0
votes
0answers
21 views

Making changes to /etc/fstab [on hold]

I have followed this tutorial to install a second HDD from scratch besides my SSD from which Kubuntu 14.04 is booted: https://help.ubuntu.com/community/InstallingANewHardDrive Partitioning and ...
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At my current position, we use some outdated proprietary software in order to benchmark new computers that the company is testing and evaluating for purchase.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 ...
1
vote
1answer
1k 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] ...
5
votes
1answer
5k 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] ...
3
votes
1answer
856 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
823 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 ...
7
votes
1answer
3k 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
40 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 ...
6
votes
2answers
922 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 ...
1
vote
3answers
781 views

Giving more priority to a USB device

I have a keyboard with USB cable connected to computer through a USB 2.0 socket. But when I type fast, Ubuntu ignores some key messages (e.g. I may type CORRECT but what is typed may be CORET) . After ...
2
votes
1answer
27 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: [ ...
1
vote
1answer
90 views

Sudden shutdown happens only when I have PhpStorm opened

I've had this reoccuring 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 ...
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
votes
0answers
30 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
90 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 ...
0
votes
0answers
8 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
28 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
1answer
53 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 = ...
1
vote
1answer
35 views

Linux setup compatibility

I want to setup a Linux environment, but I want the system to be bootable in two or more computer systems with different sets of hardware. Can Linux provide that level of hardware abstraction given ...
0
votes
0answers
25 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
1answer
36 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
436 views

Trouble changing backlight brightness (/sys/class/backlight folder empty)

I have a small embedded system that I am working on that needs to be able to reduce its brightness for power saving reasons. The screen is connected by LVDS with separate Inverter Power Output ...
0
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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 ...
1
vote
0answers
11 views

Remotely use a platform device

I have a linux/android device with a certain hardware module (lets call this pc A), and a driver which uses the hardware as a platform device. Because of testing/os restrictions I'd like to be able ...
0
votes
0answers
19 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, ...
2
votes
3answers
185 views

Extract Bluetooth MAC Address: hcitool dev

I have to extract from the command hcitool dev only the MAC address of the bluetooth dongle. Output of hcitool dev is: Devices: hci0 xx:xx:xx:xx:xx:xx I write this output to a file and try to ...
0
votes
1answer
35 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
21 views

Installing Linux as the primary OS on HP Pavilion DV-7-1225-ez

I have an old entertainment laptop, HP Pavilion DV7-1225ez, which I would like to turn into a portable development/learning computer. I am now going through various linux distros to find the most ...
0
votes
0answers
10 views

How can I find the module responsible for interaction with keyboard [duplicate]

I have a laptop and want to be able to turn off keyboard for a while. I use this code: modprobe -r usbhid sleep 10 modprobe usbhid But as my keyboard is not usb, and it only blocks mouse. How can I ...
0
votes
0answers
77 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 ...
1
vote
0answers
36 views

Storage device trouble: IO errors but no bad sectors?

I have a lightly used spinning metal drive (internal) with some VMs on it. I'm running into IO errors while running a VM and upon closer examination I have found a virtual disk file that is reporting ...
0
votes
0answers
21 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 ...
1
vote
1answer
37 views

Is host-to-host file transfer possible using USB Type-C?

I'm doing a warranty replacement on my Chromebook Pixel 2, and want to transfer data from one laptop to another. The Pixel 2 has two USB type-C ports. I'm running Arch Linux on the old one. I'd like ...
2
votes
2answers
273 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 ...
3
votes
2answers
31 views

Installing Linux on hard disk that will be used by another computer with different hardware

I was given a laptop with a totally dead display. I do not want to pay to replace the broken display, but I would like to use the laptop as a server and connect to it via SSH to control it. I have ...
1
vote
1answer
750 views

Random system Freezes on two different machines in the same room

I am at my wits end and looking for suggestions. I have been encountering a problem with 2 desktop workstations in my home office. This problem began on an old dell machine, and when I finally gave up ...
1
vote
0answers
29 views

Change which brightness device gnome uses?

I am using a lenovo thinkpad w520 running fedora 22 and gnome 3. This particular laptop has both an integrated (Intel HD Graphics 3000) and discrete graphics (NVIDIA Quadro 1000M) card. When I'm in ...
3
votes
1answer
45 views

How to distinguish between v2 and v3 of Xeon processors?

I'm trying to determine what processor my server is running. I tried looking at /proc/cpuinfo, using lshw and dmidecode. In all of them I get: Intel(R) Xeon(R) CPU E31220 @ 3.10GHz How do I ...
2
votes
0answers
21 views

lshw HWPath priority — how to determine

I have a project here at work where I'm attempting to definitively map ethernet MAC addresses to physical ports (IE card 1 port 0 is eth0 (mac xx:xx:xx:xx:xx:xx) and a non-technical operator can look ...
1
vote
1answer
117 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
107 views

xhci_hcp module constantly detecting devices

Problem I want to start getting into GPGPU work, so I got an ASUS Rampage IV Black Edition gaming motherboard. I thought it would support multiple GPUs well. However, I have had nothing but trouble ...
2
votes
0answers
75 views

Find a IR transmitter device

I would like to use the IR transmitter included in a cubox. I did not found any documentation to use it, so I would want to learn how to communicate with periphericals on linux. Commands like ...
0
votes
0answers
124 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 ...
1
vote
1answer
36 views

Key is not being released on very short keypresses

On my keyboard, when I press a key very lightly and release it quickly (talking about probably 0.1s of button press here), the key does not issue a release event correctly and instead typed repeatedly ...
1
vote
1answer
192 views

generate consistent machine unique ID in c programming

Is it possible to generate a unique ID that wouldn't change over time unless there is hardware changes. The hardware must be generated with a c program. That also would be great if it were robust to ...
2
votes
1answer
1k views

Should I install the AMD/Intel microcode packages when running Debian?

Should I install the AMD/Intel microcode packages when running Debian? What exactly do they do, and when should/shouldn't I install them? Why are they in non-free?
2
votes
1answer
227 views

searching for hardware via lspci

I just bought Lenovo ThinkPad X201 t. I have installed Debian Jessie (testing). I was able to make working all of its hardware, but with one exception. And that is mobile broadband modem. I have ...
1
vote
1answer
172 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 ...