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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how to detect memory leak in linux kernel due to slab leak

How to observe any memory leak in linux kernel due to any slab leaking? I just wanted to analyse how memory leak is detected due to increase in size of the active objects in one of the slabs in /proc/...
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How to fix an apparenlty missing kernel module dependency declaration?

I've encountered a relatively common problem with ASIX AX88179 USB 3.0 Gigabit Ethernet adapter, where it was not working at all, or was working sporadically, and dmesg was showing errors like [23552....
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Driver for AX88179 Gigabit Ethernet

I have the following Ethernet to USB-C adapter: $ lsusb | grep Ethernet Bus 002 Device 003: ID 0b95:1790 ASIX Electronics Corp. AX88179 Gigabit Ethernet Currently it is not working when plugged into ...
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Connect USB card reader MAUSB-10 (alauda driver)

I want to connect the Olympus USB card reader MAUSB-10 to my Ubuntu PC. The card reader is detected. dmesg output: [22886.973598] usb 1-1: new full-speed USB device number 28 using xhci_hcd [22887....
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Cuda installation, conflicting nvidia drivers seem to not exist

I am a relatively new Linux user getting an error about conflicting nvidia drivers when installing cuda on Centos 7: Error: nvidia-driver-latest-dkms-libs conflicts with nvidia-x11-drv-libs-515.48.07-...
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CUPS server printer does not print with LPR and CUPSwrapper driver installed

I have setup a raspberry pi as a CUPS print server for a printer that has no wifi capabilities. The printer is a Brother DCP-8110DN, the printer is not listed in the foomatic-db package, so I have to ...
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Register I2C RTC on x86 platform

I'm trying to register an I2C RTC device on an x86 platform. I've disabled the PC-Style CMOS driver because I'm on an embedded platform and only my I2C RTC is properly backed up. Now when I load the ...
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Macro Keys on Logitech Keyboard on Linux

I have a Logitech G915 Keyboard but I cannot find a way to configure the macro keys because Logitech is not giving support, although I already asked. How can I use my macro keys in Ubuntu, is there ...
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Unexpectedly logout from Xfce4 session because of nouveau driver bug

I have an experience noteing regular breaks of xfce4 sessions due to video driver bugs. This always happens when I visit websites overloaded with JavaScript like analytics or some exchanges with trade ...
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Pop_OS 22.04 No Wifi Adapter

I recently updated to the most recent version of Pop OS 22.04 and, as always, am having issues with the Wifi adapter after install. I've been able to easily fix it before with sudo apt install ...
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Is Intel's IDXD driver support useful in Virtual Machines?

I have question on Intel's Data Accelerator Driver. Is Intel's IDXD driver support in Linux useful in Virtual Machines?
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Ethernet port won't detect cable if it was plugged before boot

I'm having trouble connecting a computer to the internet. I am able to do it only if I follow the steps below (which is not a desired behavior), and I need help to make it work properly. THE PROBLEM ...
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dkms build error when tried to install Wi-Fi drivers

So I am trying to install Wi-Fi drivers as part of my Wi-Fi not working issue. I am following this answer: Installing Wi-Fi driver for Realtek Semiconductor RTL8723DE Device [10ec:d723] for the ...
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Blackscreen / System Crash when starting any game under ZorinOS With AMD Graphics. Driver issues?

Today I migrated my friend's Computer from Windows to ZorinOS. A black screen occurs whenever we try to start a game (well, I tried Minecraft and a random steam game) a black screen occurs after a ...
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Writing a kernel driver - knowledge of specific interrupt pins

I don't have knowledge about writing Linux kernel modules / drivers. Let's take a basic example. I have an input device of my own which is connected to a microcontroller on one of the interrupt pins. ...
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Not understanding the use of EVIOCGRAB for touchscreen devices

I am looking at a userspace library which handles touchscreen events from the Linux kernel. The following line of code, I can't understand what it does. What is the purpose of EVIOCGRAB when passed to ...
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Latest hplip for ARM

I'm, having an issue updating hplip to the latest version on the wandboard. It has ubuntu 16.04, and currently hplip-3.18.6. As far as I know that was the last version of hplip which didn't have '...
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unbind pci device from kernel driver during early boot in initrd on a sles VM

I am running a SLES VM, and I need to unbind a PCI device to its kernel driver and later bind to UIO or VFIO to test my user-space driver. There are multiple of such PCI devices, and I want to unbind ...
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Where in the kernel init code the static modules are loaded?

Looking at init/main.c#start_kernel it's not clear where the statically linked kernel modules are loaded, neither how the kernel gets a list of them. So, where are the statically linked kernel modules ...
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Mac OS - specified driver could not be loaded

Objective Goal is to use an odbc connection between bigquery and excel. However, excel can't find the driver per the error image below. Steps taken so far: download odbc driver from google partner ...
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Where is kvm.ko in my linux kernel/files?

The KVM is a kernel module that is statically linked into the kernel, as you can see here. However, where does the kvm.ko get stored? Do I have to put it into my initramfs, or does it get included ...
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Kernel 4.15.0-177-generic on Ubuntu 18.04.6 causing slow login and device boot

I recently got upgraded from kernel 4.15.0-176 to 4.15.0-177. I am running Ubuntu 18.04.6. The upgrade seems to have caused some issues; Boot up is slow. I get "A start job is running for /boot/...
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Can't connect to wifi on Macbook running pop os

I'm trying to try out Pop_os and installed it on my macbook and can't connect to wifi. It keeps asking for the password (I know it's the right password) but won't connect. I configured my router to ...
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What are the advantages of using an audio codec with mainline Linux support? [closed]

I am a hardware designer who is working on a custom processor circuit board with audio support. Our intention is to have the processor running some flavor of Linux and interface with the audio chip ...
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Linux device drivers: mapping mmio with devm_of_iomap() not working

I am writing platform Kernel device driver for booting group of remoteprocs. The DeviceTree is shown below. I am iterating over the groups of remoteprocs (child device nodes) and iomap them by their ...
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Help installing rtl88x2bu drivers

I've just setup a new install of Linux mint and cannot connect to WiFi. I'm living in university accommodation and the ethernet only seems to connect to devices / services on the university network, ...
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Fedora 36, monitor only showing half of the screen

I'm having a problem after installing Fedora 36. I keep getting a half white screen while using an external monitor. I'm using my laptop and a monitor, but my monitor is only showing a white screen. ...
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How to configure an I2c Controller in the PS of the Zynq 7000 as a slave from Linux

I am using a zed board with a Zynq 7000 on it. The end goal is to have the I2c-0 controller in the physical PS of the Zynq7000 to act as an I2c slave device. I am using yocto/bitbake to generate linux ...
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Problems with ubuntu graphics driver (graphics noise and system freezing)

I've been using Ubuntu for a while now, and ever since I installed it I've had problems with the system freezing and weird graphic noise showing up. I haven't installed any graphics drivers manually, ...
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canonical/non-canonical vs raw/cooked?

In the context of terminals, what is the difference between the two opposites canonical/non-canonical and cooked/raw? This thread says that they are synonym. But that's weird because one of the "...
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TrippleBuffering disables laptop monitor

I've got Asus Rog Strix Scar 15 with i912900h and rtx 3070ti. I installed Fedora Silverblue 36 along with asus linux. I was trying to fix the tearing issue. The Force Composition Pipeline trick doesn'...
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NVIDIA driver can't find physical present gpu

Setting: I have a Lenovo Y50-70 which has an integrated graphics card: Mesa Intel® HD Graphics 4600 (HSW GT2) and an additional graphics card: NVIDIA GeForce GTX 960M a while aggo a windows ...
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(K)Ubuntu with NVidia GeForce RTX 3060 TI freezes during boot

after having spent four days of trying virtually every single idea and suggestion that I came across, I now admit to being utterly and totally dumbfounded by the problem that I'm facing. I would ...
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Any screen sharing program freeze entire system after starting demonstration

i'm newbie to Linux. First, when i tried to use some screen sharing app it just shows black screen. I swithced from Wayland to X11, and it started to work fine, but after a few seconds the system ...
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Is there any difference between #include <linux/ioctl.h> and #include <sys/ioctl.h>?

I have to write a device driver code for temperature sensor using IOCTL, when I was going through a lot of sample codes, I found while surfing the net, I came across this difference in header file, I ...
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HDMI not working in debian bullseye on Lenovo P15v with nvidia driver

I have a new laptop and managed to install the proprietary nvidia driver version 470. Using the integrated screen works fine so far but attaching a screen to HDMI does nothing. It is not recognised. I ...
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HyperX Alloy Elite 2 keyboard RGB issue

I just bought the keyboard in the title. As in all Linux distros it works great without any drivers. Unfortunately as in all Linux distros there's no software to configure the RGB lighting. I tried ...
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-2 votes
1 answer
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How are printing jobs scheduled between users?

I was how printing jobs are scheduled when multiple users/computers share a remote printer? Is it first come first served, based on user specific priority, based on the time need to transfer data from ...
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Linux suspend device/driver issue

I have an embedded device with Linux 4.14. My question/issue is a general one while resuming the system from suspend to ram and relates to the /sys FS and the device nodes which are present in device ...
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Debug right to write in USB file (link with udev?)

When I try to run the driver created by Veikk for its graphical tablet in sudo mode, the tablet is recognized, however if I run it as a normal user the tablet is not recognized anymore. However, I do ...
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Unable to install wifi driver after latest parrot OS update [duplicate]

When I try to install the wifi driver it shows the following error. After the latest update I am unable to install realtek rtl_8822ce driver on my parrot os sudo apt-get install git gcc make build-...
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which signal will caused "wait_event_interruptible" interrupted?

There are wait_event_interruptible in a driver to wait until message is aviliable.But this function was interrupted by a signal. I find out this in manpage: The function will return -ERESTARTSYS if ...
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Network manager cant see wifi

I cant find or connect to any wifi networks through my DE and through the terminal I'm using a Debian 11 installation that includes non free firmware with GNOME DE on a Thinkpad. The official ISO ...
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Touchscreen Drivers do not work on newer Kernels

I am trying to install Ubuntu on my school's smartboards. They are currently running an old linux distro with kernel 3.16. But I cannot install the touchscreen drivers on distros with newer kernels. ...
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How to verify that source code does / does not provide driver for Apple USB modem?

Source Code: https://unix.stackexchange.com/a/698474/182280 The goal is to verify that the source code has the driver to support an Apple USB Faxmodem MA034Z/A. What are the keywords or phrases to ...
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No internet connection via LAN or Wifi

first time installing Kali Linux, so to be fair I don´t have much knowledge of Linux. During installation of Kali Linux my network card was not recognized by the setup and following to that, the ...
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Lenovo USB-C "hybrid" dock connected during boot: Boot hangs and zpool does not get loaded

I am trying to make a Lenovo Thinkpad P52 work with an Lenovo USB-C Hybrid Dock (40AF, see docks to avoid ...) on Linux Mint 20.3 Una a.k.a. Ubuntu 20.04. What a ... journey ... The laptop has its /...
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How do I install Roccat Vulcan 100 keyboard driver for light effects?

Here's the driver (it is called a "driver", isn't it?) for keyboard backlight. I'm mostly interested in playing with the source code to understand something more about drivers, if possible. ...
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High temperatures with Nvidia drivers (Intel power saving mode)

I've recently installed Linux Mint on my laptop (i5-10210U, GTX 1650 mobile Max-q), and i've since used the open-source drivers, but i had some issues with screen brightness and suspension; therefore ...
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How do I select the proprietary nvidia drivers on Fedora 35 after installing them from RPM?

I'm trying Fedora after using Ubuntu for a while. After a fresh Ubuntu install, I would select the nvidia drivers by using the GUI application called "Additional Drivers". I do this because ...
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