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

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5
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2answers
88 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 ...
4
votes
2answers
1k 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 ...
4
votes
1answer
161 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 ...
2
votes
1answer
580 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
114 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
vote
1answer
127 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
72 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. ...
1
vote
1answer
542 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 ...
0
votes
1answer
213 views

USB 3.0 host controller suddenly stopped working

sudo lshw *-usb:0 UNCLAIMED description: USB controller product: 7 Series/C210 Series Chipset Family USB xHCI Host Controller vendor: Intel Corporation ...
3
votes
0answers
28 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" ...
3
votes
0answers
988 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 ...
2
votes
0answers
28 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
votes
0answers
488 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
0answers
332 views

Which system configuration setting(s) on HP Compaq dc5750 need to be changed if “running Unix”?

HP Compaq dc5750 small form factor Athlon 64 X2 3800+ 2.0GHz 2GB 160GB On starting the system it displayed this message: If you are running Unix, you need to configure your system using the ...
2
votes
0answers
359 views

Understanding different fields of output of sensors

Here's the output of sensors command: thinkpad-isa-0000 Adapter: ISA adapter fan1: 3414 RPM coretemp-isa-0000 Adapter: ISA adapter Physical id 0: +50.0°C (high = +86.0°C, crit = +100.0°C) ...
2
votes
0answers
261 views

Physical Terminal (DEC VT220) issues with ZSH

I recently purchased a VT220 and all the hardware necessary to hook it to my macbook pro. After several hours of fiddling I got it working with a shell - my only problem is my shell of choice, ZSH, ...
2
votes
0answers
195 views

Music Server for WLAN-Speakers

There are several systems with WLAN-Speakers for sale. Most of them consist of several Boxes with WLAN-Recievers and a WLAN-Router/Storage-Device to spread the sound information. The WLAN-Speakers ...
1
vote
0answers
18 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 ...
1
vote
0answers
27 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 ...
1
vote
0answers
33 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
vote
0answers
19 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 ...
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vote
0answers
135 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. ...
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vote
0answers
23 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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vote
0answers
123 views

weird problem with 64 bit install and memory

I have a laptop with 8gb of RAM in two 4Gb slots, the processor is 64 bit compatible. However when I try to install 64 bit version of Linux (I tried, mint, arch, manjaro), it refuses to load the ...
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0answers
191 views

Pulseaudio and Pavucontrol very unstable

I've recently installed ArchLinux on my desktop, together witht the GNOME3 Desktop. I installed pulseaudio and pavucontrol, which both seem to be very unstable. First I couldn't get my headset to ...
1
vote
0answers
40 views

Suspend Linux (Mint) with external hard drive plugged in

I simply try to suspend the session while my external hard drive is plugged in (doesn't matter whether I have mounted or dismounted it, and this error does not apply to other filesystems, like flash ...
1
vote
0answers
149 views

Using Radeon on muxless system with multiple X servers

I'm using HP ProBook 4740s laptop with muxless hybrid graphics: root@mekras: lspci | grep VGA 00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09) ...
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vote
0answers
42 views

Headset not working in OpenSUSE

When I plugin my headset into my computer, running OpenSUSE, I do not get any audio. The regular speakers work fine. The reason this is happening, I think, is because it still tries to output through ...
1
vote
0answers
534 views

Debian Sid, AMD RS880 [Radeon HD 4250], black screen on boot

My computer booted under Debian Wheezy (3.2 kernel) with no graphics problems whatsoever. After updating to sid (3.10 kernel), the screen goes black (that is, the display flashes a bit and then goes ...
1
vote
0answers
95 views

No microphone input - VIZIO CT15-A5 and 12.04 LTS (64)

I have the VIZIO CT15-A5 and 12.04 LTS (64) is running smoothly .. Only one issue.. I cannot record sound or use Skype due to lack of mic input. I have tried turning up the sound using the alsa ...
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0answers
72 views

Diagnoising a hardware issue on linux

I have a laptop that completly turns its self off after an unpredictable amount of time. It also doesn't allow for its self to turn it back on after a period of time. To me this sounds like an issue ...
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0answers
239 views

backlight doesn't work with Linux Mint 14 on my Gateway NV78 laptop

Here is my problem it is Bug 765438--the backlight will not work on my Gateway NV 78 laptop. Won't work with Linux Mint 14, ubuntu from ubuntu 11.04 onward won't work with ps-bcd. Of course it ...
1
vote
0answers
288 views

USB ports not working

Ok, got a Puppy Linux Wary 5.3. running on an old laptop with USB ports. Now, here's the strange part ... none of them work. When I stick in a USB-stick there's no reaction. Still, lsusb lists ...
1
vote
0answers
246 views

Is there any ARM platform for which high resolution timers are available in mainline (unpatched) kernels?

I currently have some projects using a TS-7400 board, which has a Cirrus Logic EP9302 ARM9 processor. Some of my applications require a 1ms periodic timer, so after lots of struggling I found these ...
1
vote
0answers
94 views

Fprintd - How to customize

I'm making a system based on web technologies, which means that my interaction with hardware is very limited (keyboard/mouse). I would like to modify/write some code/driver that makes my fingerprint ...
1
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0answers
258 views

Hardware problem after fresh Linux Mint install

I've installed Linux Mint, Mate 64bit on my machine. My configuration: Desktop PC HP Pro 3400 Series MT Processor: Intel Core i3 2120 @3.30GHz Chipset: Intel Sandy Bridge Graphic Interface: ...
1
vote
0answers
238 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 ...
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0answers
264 views

Fedora 14 graphics issue

I have an HP 3031-et series laptop. My hardware is: Intel i5 460M 3 GB DDR3 RAM Graphic Cards: ATI Radeon 5650 HD and Intel HD Graphics I installed Fedora 14 on my hardware, and after installation ...
0
votes
0answers
36 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
28 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 ...
0
votes
0answers
55 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 ...
0
votes
0answers
19 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
29 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
votes
0answers
68 views

fix webcam problem by changing its file in /dev/

At Ubuntu-Gnome 13.10, My webcam can be accessed by cheese; Also Skype determined the webcam, But it does not show any output for webcam at options window (Webcam also doesn't turn on). Skype ...
0
votes
0answers
142 views

How to use Ipfire as a router and modem ? red network problem!

I have Installed Ipfire Linux On an old pc and I have configured green network with A network card and the same for the red network, I want to use this server as modem and router in the same time (I ...
0
votes
0answers
35 views

How to customize Dell PowerEdge 2970 LED info screen via CentOS?

As shown in the photo below, the Dell PowerEdge 2970 as an information screen on it. I have CentOS installed. Is there a way via the OS to change this data? If so, how? Thanks in advance!
0
votes
0answers
61 views

PC -> to -> Server. How to disable video card test inside BIOS?

I'm trying to setup my old PC as a server. Motherboard EliteGroup P4S5A/DX. Upto 2Gb of DDR 1 Ram. Video card: vga1 at pci1 dev 0 function 0 "NVIDIA GeForce4 MX 440" rev 0xa3 About a 2-days I'm ...
0
votes
0answers
107 views

USB Modem connection problem

I am using Linux (CentOS 6.x) for the last three or four months. There are Dual OS in my PC (Windows 7 and centOS 6.x). I am using Airtel USB Dongle for Internet connection. Now the problem is that ...
0
votes
0answers
157 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
212 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 ...