Questions tagged [drivers]

A device driver or software driver is a computer program allowing higher-level computer programs to interact with a hardware device.

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1answer
949 views

Unable to make touchpad work

I'm trying to find here a solution for my long-time touchpad problem. I tried one year ago at http://www.linuxquestions.org/questions/linux-laptop-and-netbook-25/touchpad-not-beign-recognized-...
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1answer
968 views

Nvidia drivers not working with Fedora 22

I used the net-installer package yesterday to install fedora 22 with the cinnamon desktop. That installer was buggy but I eventually got it to do the install. I then went to install my nvidia ...
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0answers
13 views

how to recover nvidia driver which failed to load

I have a server (debian stretch) with nvidia driver installed. It is a server for scientific computation so actually no monitor and the debian is without GUI. The nvidia driver is installed for using ...
2
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1answer
1k views

How to dump the dmesg AKA Kernel logs to a single .txt file from the kernel boot?

I am trying to understand the SATA Host-Device Communication and for that I have put a lot of debug messages in the kernel driver code. Now messages are in such a huge amount that I am not able to see ...
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4answers
5k views

Fix keyboard chattering/bouncing on the software side

I have a mechanical keyboard (Noppoo Choc Mini with Cherry MX Blue switches) and after a few weeks, some key presses are getting sent two times even though I press a single time. I found out that this ...
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2answers
15k views

Installing HP printer driver for Arch Linux

I now use a PC (of the lab where I work now) on which I have successfully installed Arch Linux not long ago. I want to connect to the HP printer there, already connected to the Ethernet of the lab. ...
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0answers
32 views

steam wont launch error Linux Mint 64 bit

I just recently got a new graphics card and initially steam and all its games would open and run (although it was horrible resolution and very slow running). Now it was time to I went to Nvidia ...
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1answer
2k views

Installing Nvidia driver for GTX 760m under Linux

I tried installing Nvidia drivers using different ways: repository nvidia-current, nvidia-331 and using downloaded file from Nvidia web site. Installations seems to be successful, although I got pre-...
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1answer
33 views

Graphics problems running Battle.net - issues with Vulkan? (Mint 18, iGPU)

As will hopefully become clear, I don't really know what I'm doing, so apologies for any stupidity below and please don't assume any background knowledge that isn't implicit in what I've already done (...
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5answers
31k views

How do character device or character special files work?

I am trying to understand character special files. From wikipedia, I understand that these files "provide an interface" for devices that transmit data one character at a time. My understanding is ...
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1answer
14 views

How to find out the internal microphone's driver on a Linux PC?

Every hardware device ( incl. the internal microphone, I suppose ) works under some driver. How to find out which is the specific driver controlling the work of the internal microphone on a PC that ...
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0answers
25 views

Wi-Fi not working in Solus 4 Fortitude (driver rtl8723be)

My Wi-Fi started to freeze about one week ago. While I was using, it stopped abnormally. Three days ago I installed the rtl8723be_new driver from https://github.com/lwfinger/rtlwifi_new . It worked ...
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0answers
9 views

Forcibly remove module showing “Loading” in /proc/modules

I'm writing and debugging a kernel module. Currently, the modules probe function had a bug and the probe did not complete. (And I returned 0 by mistake!) However, /proc/modules shows the status as "...
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0answers
17 views

T440S Touchpad disabled at each reboot. I found that manually reloading the synaptics driver fixes it. How do I make the change permanent in Kubuntu?

After every reboot, I need to run sudo rmmod psmouse and sudo modprobe -v psmouse to re-enable the touchpad. Otherwise, double finger scrolling doesn't work and only a few areas of the pad work, much ...
2
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1answer
66 views

IMX6 ADV7180 : no /dev/media0

I am using kernel 4.14.24 from kernel.org on a KARO-TX6Q and an ADV7182 on a custom board. With the kernel 4.1.15 from KARO git, I used the adv7180_tvin driver modified to work with adv7182. This ...
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2answers
4k views

How can I install my network driver on Debian from a USB media?

Here's my typical workflow for installing Ubuntu/Mint: 1) Boot from a USB stick with Live installation 2) Install, reboot 3) Use my USB network adapter which is supported by Mint to get internet 4) ...
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0answers
66 views

Nvidia Optimus on Debian 9 doesn't work

I have an Asus n552vw (Nvidia gtx960m+Intel HD graphics 530) with Debian 9.I thought of installing the Nvidia Optimus drivers to increase battery life, without any result. I followed the official ...
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0answers
14 views

How to “call” driver ioctl from another driver? [migrated]

A user space program can modify the RTS pin of a serial port / UART using an ioctl call. For example: int RTS_flag = TIOCM_RTS; ioctl(fd, TIOCMBIS, &RTS_flag); ioctl(fd, TIOCMBIC, &RTS_flag); ...
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0answers
16 views

USB Linux API: call ioctl requests from user space app

I want to create Linux app responsible to get/set some usb settings especially settings responsible of followings: USB ports USB Host controller and USB driver USB devices I followed the linux api ...
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0answers
45 views

Wireless network card (Qualcomm Atheros AR9227) slower in Linux (Debian) than Windows 10

a few months ago I dual booted Linux (Debian 10 Buster with KDE Plasma) and Windows 10. Everything seems to be working correctly, except for my wireless network card (Qualcomm Atheros AR9227). It's ...
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0answers
10 views

Control USART RTS pin from driver on embedded board [migrated]

I'm porting the lirc_serial kernel module to work on our embedded board. We only need to implement the IR transmitter function. On standard hardware, the driver loads: 00:05: ttyS0 at I/O 0x3f8 (...
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1answer
1k views

Wifi Adapter Not Working In Kali-Linux [duplicate]

My Wifi-Adapter is TL-WN823N, initially my pc did not recognize anything. So i installed two solutions finded googling: rtl8192cu-fixes rtl8192eu-linux-driver Now my Wifi adapter is recognized by ...
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1answer
893 views

Add driver to live distro?

I am using Lightweight Portable Security, and I need to add the FGLRX driver so I can boot it on my system (R9 200 is keeping it from booting). Is there a workaround? Is there a way I can just add the ...
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0answers
15 views

How to specify a driver for a char device?

I'm trying to make a usb camera to work on raspberry pi, the problem is every time I plug it, it automatically create a char file under /dev/video0 that points to cuse as it's driver: pi@raspberrypi:/...
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1answer
3k views

steam opengl glx extension not supported by this display nvidia drivers

. I got a used desktop from work and wanted to put debian on it.I did and then I wanted to install Steam.I did that. Now here is where the dumb part starts. I have had this exact model of desktop ...
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0answers
7 views

I'm trying to install Netis WF2190 driver on Debian but I can't

I'm trying to install the driver for Netis WF 2190 usb dongle on Debian but I keep getting an error and I don't know what to do. It's the first time I use linux and I have no idea how to get internet ...
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0answers
18 views

why do some devices generate DRIVER==“” in udevadm info?

The goal was actually quite simple, I was trying to get a usb camera to work on linux. After installing uvc, uv4l (bcm2835 kernel module I guess), it still doesn't work. Currently, I got the ...
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1answer
32 views

What's the difference between ledmon and ledctl?

Both are LED control tools released by Intel. https://linux.die.net/man/8/ledmon https://linux.die.net/man/8/ledctl What's their difference? Do I need ledmon to be executed first to run ledctl?
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1answer
1k views

How to make Linux use the right driver (lshw)

I have an Edimax EW-7811Un wireless adapter which I am trying to get to work on my laptop which is running Debian 8.3.0 with LXDE. I have tried various things that I am going to describe below. But ...
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1answer
866 views

Barcodes too wide in a GoDEX printer with CUPS in Linux

I have a GoDEX RT700i printer (203 DPI) and I want to print barcodes in Linux (Ubuntu 16.04) The barcodes I have are in PDF format. There is a 8 digit number below the barcode. In Windows, there is ...
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3answers
3k views

Is a device driver in Linux a program/process or is it just a library?

Is a device driver a program that runs on its own, or is it just a library (a group of functions) that is loaded in memory and programs can call one of its functions (so it is not running on its own). ...
7
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1answer
11k views

How can I write raw data to a USB device

I'm attempting to write raw data to a USB device connected to my computer. I'm using Kali Linux, and I found the correct filepath: "/dev/usb/003/013" . However, when I try to write data to it I get ...
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0answers
22 views

My disc drive does not recognize some (known-working) discs

I'm running Linux Mint 18.2. I have an Asus Blu-Ray drive, marked as also being able to read DVDs and CDs. I have two music CDs and two data CDs to which I have immediate access, and which I have ...
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1answer
1k views

Kernel 4.10/4.12 with AMDGPU-PRO?

Is it possible to use AMDGPU-PRO driver with a newer Kernel under Ubuntu 16.04? I couldn't find much information, sorry if I missed something. So I converted my friend to linux. Since Linux Mint 18....
2
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1answer
1k views

Installed Wrong Nvidia Drivers

I'm running Arch 3.17, and last night I tried to install drivers for Nvidia, which has caused my system to go to a shell on boot. This is the output of /var/log/pacman.log Around [2014-11-19 22:36] [...
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1answer
1k views

Add .ucode driver in Debian installer

When I install Debian, installer request network connection. But Debian can't found my Ethernet card (Intel(R) Dual Band Wireless-AC 8260). I use non-free installer and try put .ucode file in /...
2
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1answer
1k views

How to configure buildroot to add a sound device?

I've used a given board configuration to reconfigure it for my individual board. My board has a CS4270 sound device of Cirrus Logic. My uImage is booting successfully on my target hardware, but an ...
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1answer
1k views

Install cardreader on ZBOX nano CI320 with Bay-Trail-T Architecture

I installed Xubuntu on a ZBOX nano CI320. It works all fine so far apart from the SD card reader, that doesn't get initialised. The main problem seems to be the Bay-Trail architecture. How can I ...
1
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1answer
507 views

Do Access points use softMAC or hardMAC?

I am trying to understand the working of wireless in linux. I started with wpa_supplicant, hostapd applications with the help of their documentation and source code.Understood the flow and basic ...
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0answers
17 views

Identify devices connected to the COM port in Ubuntu [duplicate]

I need to create an application that could identify the devices that are connected through the COM port of an Ubuntu system. I've checked out a lot of codes and also tried to use them but I couldn't ...
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0answers
25 views

Disable PCI ACS (Access Control Services)

The vendor of a custom PCIe video encoder says we should disable ACS - Access Control Services - on our machine for proper operation of the card driver. They haven't said how to do that. This post ...
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0answers
6 views

Can I get antenna specific information from my rt2870 wireless card?

I'm using a Panda wireless PAU09 wireless adapter which ( I think ) uses a ralink 2870 chip. The adapter comes with dual antenna, but the radiotap header I get only ever shows information from one ...
0
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1answer
1k views

Realtek RTL8723AU not working on Linux Mint 18.1

I just installed Linux Mint 18.1 (Xfce) on my Lenovo Yoga 13. As with the 17 version my wifi card (realtek rtl8723au) did not work after installation and I tried to solve it as I did for the previous ...
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0answers
57 views

Unstable wifi/Connection drops with Qualcomm QCA9377 on Ubuntu 18.04

So I have dualboot on my Acer Aspire with Linux Lite XFCE(Ubuntu) and Windows 10. Network Controller: Qualcomm Atheros QCA9377 802.11ac A while ago I started having issues with Wifi connection ...
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1answer
130 views

Canon MX 920 prints color even though I specify grayscale

I have Ubuntu 12.04 LTS and installed drivers for Canon MX 920 according to the instructions, Canon Drivers for Ubuntu and Linux Mint. I can print things from Ubuntu to the Canon but my problem is, ...
3
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3answers
18k views

How do I install/update drivers on Debian 9?

I just installed Debian 9 on my laptop, however Wifi isn't working and I'm not sure if my graphic card is either. I'm sure that it's just a lack of drivers, but I've never actually had to update ...
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0answers
15 views

can't change resolution on Debian 9 [duplicate]

I have a problem with display resolution on debian9.9. I installed the lastest stable Debian with DVD1.iso 3 days ago, kernel 4.9.0, and I can't change the resolution of my Dell 2471h monitor. The ...
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1answer
1k views

Disable bridge module insert?

I have Fedora 20 setup with default kernel configuration, where bridge feature is enabled as a module (CONFIG_BRIDGE=m), and the bridge module loads as the system starts. I don't understand who ...
3
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1answer
1k views

Issues installing Nvidia drivers in Debian 9

I'm new to linux and I decided to install Debian 9, I installed it in my HDD in UEFI mode with a USB stick and the DVD 1 iso found here: https://cdimage.debian.org/debian-cd/current/amd64/bt-dvd/. I ...
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1answer
2k views

nl80211: Could not configure driver mode nl80211 driver initialization failed

I am in kali linux 2.0 from virtual machine of windows 10 .when I try the command bash /usr/share/mana-toolkit/run-mana/start-nat-simple.sh to run start-nat-simple.sh file the following error is ...