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

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Data card not detecting in Ubuntu 14.04 [on hold]

mts data card not detecting in ubuntu 14.04 Dmesg output says : ideapad_laptop unknown event 1
-1
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1answer
27 views

Hardware problems, can I reinstall OS?

I have managed to break physically break my internal screen on my laptop, I have a sony vio E17 which is connected to a external screen. Yes I have unplugged the internal screen. My main and root ...
2
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1answer
595 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 ...
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0answers
18 views

How to create a fingerprint of the hardware from a dedicated root server? [duplicate]

Recently our ubuntu root server has been replaced after some failures. Unfortunatelly we cannot confirm if it really has been replaced or just some parts. What is the best and most thorough way to ...
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1answer
225 views

Obtaining information about system hardware

If I want to accurately save information about the hardware I am using as a reference, what is the best way to do it? Are the contents of /proc/meminfo sufficient?
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1answer
15 views

Is there anyway to get the hardware information on a hardware RAID 1 while inside of the OS?

Is there any way to see the information on a hardware raid while still being in the OS? Things to note: I am remotely connected to this machine (so I cannot physically see the information of both ...
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0answers
20 views

Journal commit I/O error for Seagate Expansion external USB hard drive

I am using Debian 7.6 (amd64) and for some reason when I am trying to read or write to my Seagate Expansion 1TB external USB drive, I am getting input/output errors ... Here is what the output of ...
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2answers
2k views

Lenovo T440s Fingerprint reader in Fedora 20

I just got my new Lenovo T440s and installed Fedora 20 with Gnome 3 on it. Everything runs smoothly, except for the fingerprint reader. Its got a Validity VFS5011 (138a:0017) device which is not yet ...
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0answers
48 views

How can I get this proprietary low-vision camera working in Linux?

I am a visually impaired Computer Science student, and use a special USB camera to zoom in on the board/projector during lectures. The camera only officially supports Windows, and I've been using it ...
1
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1answer
392 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 ...
1
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1answer
572 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 ...
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0answers
14 views

Hardware address of network interface using ioctl on AIX [migrated]

I want to get hardware address of network interface on AIX using ioctl. Like in Linux we get it through: ioctl(sockFd, SIOCGIFADDR, ifr_p); I didn't find SIOCGIFADDR flag in ...
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1answer
45 views

What are PCI devices?

In Linux, the lspci command lists all the devices in my laptop (including AGP, USB, SATA, SCSI, bridges, ethernet, etc.). The man lspci command gives me this information: lspci - list all PCI ...
2
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1answer
146 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] ...
4
votes
1answer
99 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 ...
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2answers
2k views

How to detect a possible hardware error?

I'm running Debian Wheezy on a HP Pavilion dv7 laptop and it freezes every now and then, requiring a reboot. One time it didn't even load the operating system, but it wasn't I who was using it so I ...
3
votes
1answer
201 views

Getting capabilities of my CD/DVD drive when wodim --devices doesn't work

I used to be able to run either commands successfully on my Fedora 14 Thinkpad T410 laptop: $ wodim --scanbus $ wodim --devices However since upgrading to Fedora 19 this no longer seems to work and ...
1
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1answer
52 views

Does BIOS device whitelist affect Linux?

Starting with 2002, Lenovo (actually, it was IBM back then) started whitelisting the wireless adapters and other devices allowed to be used in their ThinkPad laptops. Some other manufacturers are ...
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3answers
40 views

How can I know the max possible trasmit 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?
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0answers
25 views

Keyboard is disabling

I stuck with a strange problem on OpenSUSE 13.1, after some random uptime my keyboard is disabling. I'm not even sure how to concretize this problem, this happening randomly and I can't see any ...
3
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0answers
41 views

Figuring out physical cache layout in FreeBSD

I'm trying to figure out they physical cache layout of my CPU in FreeBSD 10. I see the following from sysctl kern.sched.topology_spec kern.sched.topology_spec: <groups> <group level="1" ...
4
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2answers
737 views

Are there any issues using 2TB hard drives with 4k sectors

I'm thinking of purchasing a 2TB hard drive (probably a Seagate F4), but I've read reports of Linux not being compatible with 4k sectors on these drives. Do I have to do anything specific when I ...
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4answers
713 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 ...
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0answers
58 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 ...
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2answers
126 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 ...
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0answers
61 views

How do I know from a BeagleBone Black if it is connected via USB (as a client/slave)?

BeagleBone Black has an USB port which allows the user to access it through ssh. In general, we could say that when you plug it to a PC, the PC is the USB host and the BBB is the USB client. On the ...
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0answers
62 views

Linuxwacom xsetwacom/xorg.conf

I have a CentOS 6.2 workstation with linuxwacom 0.21.0 installed. I am trying to map a button on a cintiq tablet to a keyboard key. I can do it successfully using: xsetwacom set "Wacom Cintiq 24HD ...
2
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1answer
145 views

List All Network Printers (including ones not installed)

It is easy to list the printers you've already installed with this command: lpstat -a However, this does not list network printers you have NOT installed. nmap will scan for all open ports on the ...
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1answer
5k views

How do you use badblocks?

I need to do a destructive (rw) test on a new drive, and a read-only on a drive that fell out of my RAID array. I want to see if it finds problems and how far along it is.
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0answers
36 views

Is there a limit of GPIOs that can be used in Linux?

When it comes to use GPIOs, is there a limited number that can be used in Linux (except through the limitation of the physical availability/amount of the ports/pins) or is it theoretically possible to ...
1
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0answers
52 views

suspicious/phantom usb “Mass Storage Device”? [closed]

[solved, see last comments] I have /dev/sdd that doesn't seem to be a physical device. I'm trying to determine what hardware it is, or track what application created it. With this answer, I managed ...
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0answers
42 views

Creative X-Fi alternative for Linux

I have a pretty slick Creative X-Fi Titanium (Elite Pro) card in my system. In Windows everything sounds amazing with this card, in Linux I just get generic sound. I can configure ALSA or Pulse to do ...
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0answers
23 views

Pcie 1.1 device is not detected on a pcie gen 3 slot

My PC is running in Ubuntu 12.04 LTS with kernel version 3.11.0-23. The link below is my PC model: http://www.villman.com/Product-Detail/HP_Pavilion_500_232d I inserted a x4 pcie 1.1 device on the ...
2
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1answer
293 views

Realtek RTS5209 PCI-E Card Reader only work if card is inserted before boot

Hardware Info Laptop Model: Sony Vaio Pro 13 Problematic Hardware: Bulti-in Realtek Semiconductor Co., Ltd. RTS5209 PCI Express Card Reader Problem description Here is the problem, if I boot with ...
2
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1answer
42 views

Direct i2c hardware access

I have a custom hardware, i.mx6q based board, running a custom stripped version of Debian, the usual Linux tools to make life easy are not available. Can I read and write to i2c directly with root ...
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0answers
77 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 ...
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0answers
273 views

Microphone not working on Centos 6.5

I have installed CentOS 6.5 on a Dell Insperion with an Intel chip. I first noticed that my microphone is not working on Skype on CentOS although it was working fine with Windows 7 on the same box. ...
3
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0answers
1k 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 ...
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2answers
120 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
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1answer
322 views

linux command to list details (like PID, VID) of connected devices to the serial port(s) (like RS232) of a computer

with USB port we can search Product ID (PID) and Vender ID (VID) of connected devices by using lsusb command. Is there a similar way to get PID and VID if the same device is connected to RS232 serial ...
2
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0answers
26 views

Creating my own “BBB image” for installing it in several BBBs?

I have been working with a Beaglebone Black for a while now, I have created a software for a device which I am happy with. Now I have a few more Beaglebone Blacks where I would like to install the ...
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2answers
121 views

Hardware requirements for building a Debian server that will run as ltsp, vpn, and fileserver

I will be building a server based on Debian that will have several functions in a small office (5-10 users). The primary function will be as a file server, but I would like to set the office up to ...
2
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3answers
275 views

how is page size determined in virtual address space?

Linux uses a virtual memory system where all of the addresses are virtual addresses and not physical addresses. These virtual addresses are converted into physical addresses by the processor. To ...
0
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1answer
71 views

liveCDs detecting wrong video card

I just replaced my video / graphics card with a new model, the AMD firepro m6100. None of my ubuntu 13.10 based liveCDs are able to run correctly (manually running startx from tty1 fails, so that's ...
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4answers
3k 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 ...
2
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2answers
4k views

How to check the life left in SSD or the medium's wear level?

We all know that SSDs have a limited predetermined life span. How do I check in Linux what the current health status of an SSD is? Most Google search results would ask you to look up S.M.A.R.T. ...
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0answers
21 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 ...
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0answers
36 views

pfSense and Belkin Integration

I am in a unique situation. I want to have my previous Linux box as a router, but I don't have wireless capability on it or even a second ethernet port, so I was wondering if there was a way I could ...
0
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2answers
2k views

Linux fan control?

For some unknown reason, my laptop fan stays on consistently. Even when I'm using less than 2% CPU and the air coming out of the vent is seemingly cooler than the air in the room, the fan always stays ...
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1answer
124 views

machine hardware name, processor type and hardware platform

The followings are the machine hardware names, processor types and hardware platforms returned by uname: on a server (with some 64-bit Linux distribution) -bash-4.1$ uname -m x86_64 -bash-4.1$ uname ...