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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 can I check if a device is supported by Linux?

I want to use the ax200 wifi module by Intel in the imx8qm board. Since I am new in Linux, I have difficulty finding the right documentation. Where should I search for it?
Carlos Soares's user avatar
1 vote
1 answer
23 views

How to keep device firmware updated when I installed it manually?

My laptop is new enough that the firmware-linux package in debian testing's apt does not yet contain firmware for it. Hence, I've downloaded the files from linux-firmware.git on kernel.org, copied ...
lucidbrot's user avatar
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driver installed but not available

I don't understand the problem here. The rtl8821cu is installed but I cannot modprobe it into place. Is there a problem with the install process or am I missing a step. > pacman -Q | grep rtl ...
Stephen Boston's user avatar
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7 views

USB error: " ERROR Transfer event TRB DMA ptr not part of current TD ep_index 4 comp_code 1"

I'm a beginner to Ubuntu and have been struggling with this issue for a few days. Basically, I am trying to record with an Orbbec Femto Bolt camera, but when I try to actually use the camera, it doesn'...
codemaster0102's user avatar
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16 views

Does linux/drivers/hid/hid-roccat-lua.c control the lights of the mouse?

If you look linux/drivers/hid/hid-roccat-lua.c, it has a comment towards the beginning, /* * Roccat Lua is a gamer mouse which cpi, button and light settings can be * configured. */ from which I'd ...
Enlico's user avatar
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35 views

How to diagnose USB device not being picked up properly?

I'm trying to get a device (ultrasound scanner) connected to my machine via USB. The device is custom built hardware, I'm not sure of the details - however I think it uses FTDI601Q. The manual I have ...
jerin's user avatar
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0 answers
19 views

I can't connect to Wi-Fi on my RedmiBook 16 laptop with Pop OS 22.04 LTS x86_64

It connects to a cell phone hotspot without any problems. But to the router, it's a mess. It keeps trying to connect, but crashes and asks for the network password again. The WPS button doesn't help ...
Geronimo's user avatar
1 vote
1 answer
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SD card detected but no /dev entry created

Relevant dmesg: [980875.386648] mmc0: new SD card at address cde5 lsblk doesn't see it. /dev content does not change on insertion. The reader is integrated but sits on the USB bus. Anything beyond ...
Vorac's user avatar
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1 vote
0 answers
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USB ports stops working after a while on Linux

I have Jetson Orin NX with kernel version 5.10.104-tegra I have plugged in GPS device in the usb. Everything it works as expected but after a while just its stops. All usb devices are not accessible ...
Anton Shumanski's user avatar
1 vote
2 answers
39 views

How to enable/start monitors on Debian 12

I'm using a Debian 12 with the original Nvidia Driver. Now, I have three "Monitors", one being the build in of the Laptop I'm using. The middle one works, the others don't. They are not ...
Ahegao's user avatar
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1 answer
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passing parameters to driver

I'm doing a Linux driver tutorial, and I have encountered a problem with the sample lesson of passing parameters to the driver.  I tried another parameter-passing example I found on the internet with ...
carlh's user avatar
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3 votes
1 answer
123 views

Cannot install Nvidia Drivers on Debian VM with secure boot enabled

I'm working with a Debian 11 VM with secure boot enable on Google Cloud. When I add a GPU to the machine, I get the following prompt: This VM requires Nvidia drivers to function correctly. Would you ...
Matteo T.'s user avatar
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0 answers
98 views

error when trying to install nvidia drivers on debian 12 'Bookworm'

when i try to install nvidia-driver using sudo apt install nvidia-driver it puts out errors Reading package lists... Done Building dependency tree... Done Reading state information... Done Some ...
Bigmate13's user avatar
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1 answer
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Who develops low level hardware drivers?

I have spent a significant amount of time reading about kernel device programming. One thing I'm fairly confused on is who is responsible for developing the lowest level interface software? Ex: if I ...
FourierFlux's user avatar
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0 answers
13 views

Keychron M1 wired mouse not working properly in Gnome

I've had the Keychron M1 wired mouse for a while and got used to it. However, the manufacturer does not provide drivers for Linux, and dragging windows in Gnome (x11) is a laggy experience. Normal ...
astrochicken's user avatar
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0 answers
227 views

Wifi not working on Fedora 40

I am using a lenovo ideapad 15irh laptop with a replaced rtl8822ce network card. I am using windows 10 as my secondary system, everything works fine there. On Fedora, after installing it, networks ...
phony51's user avatar
-1 votes
1 answer
120 views

How do I physically pass a USB device to a QEMU VM

I've been trying to use a Linux QEMU virtual machine for USB driver development. I wanted to use USB passthrough but when I check the USB device in the VM, it shows some kind of generated product id ...
Mach's user avatar
  • 1
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0 answers
22 views

How to set EEE to tg3 driver so it would be enabled and active

I tried multiple things to have it enabled (via BIOS, kernel boot parameters, etc.). I'm using HP ML350p gen8 server. I managed to have it enabled but now I have it in status (eno1 is connected, eno2 ...
tukan's user avatar
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1 answer
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How can Firefox access /dev/dri/renderD128 when it should be only root accessible

/dev/dri/renderD128 should only be accessible to root or users in the render group as per: project_kohli% ls -lha /dev/dri/renderD128 crw-rw----+ 1 root render 226, 128 May 26 09:...
Kirtivr's user avatar
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0 answers
199 views

Driver problem with 780M (Ryzen 7 7840HS iGPU)

I have HP Victus 16 with configuration Ryzen 7 7840HS(780M iGPU) and RTX3050. There is issues with my 780M iGPU. It gives black screen on Linux 6.9.1 when using iGPU. Using dGPU (which is RTX3050) ...
erenalyoruk's user avatar
-2 votes
1 answer
83 views

Kali Linux Broadcom BCM43142 Not Working [duplicate]

I recently took an old Toshiba laptop and loaded Kali Linux onto it. Everything is working great with one exception--the wireless adapter. When originally setting up the new OS, it failed several ...
Jack's user avatar
  • 9
0 votes
0 answers
22 views

The 2nd FTDI device on the same bus is not recognized

I have connected 2 relay cards, each with an FTDI, to the same USB port on the Raspberry Pi 5. I first routed the USB cable to the first relay card and then on to the next relay card. Just like in a ...
Lolo's user avatar
  • 1
0 votes
0 answers
64 views

Realtek ethernet driver disabled both my ethernet and internet drivers without installing new ones

I have a Debian 12 system that I always connect with an ethernet cable. I saw that it wasn't running at its advertised speed (~100 Mb/s vs. 500Mb/s), so I tried to install its driver from the ...
none2's user avatar
  • 1
1 vote
1 answer
128 views

Trouble building KVM from source for Ubuntu 22.04. section size must match the kernel's

I'm trying to build KVM and I'm having trouble figuring out where I went wrong. It builds fine, I'm 99% sure I'm cloning the correct kernel tag in git, but it doesn't load. I'm running Ubuntu 22.04, ...
Sean's user avatar
  • 121
0 votes
1 answer
37 views

unable to startx/xinit on additional virtual terminal

I am running OpenBSD on a laptop with X windows starting on f5 vtty via Xenodm login manager. I am unable to start another session of X from different vtty.  xinit or startx fails with Fatal server ...
Kabira  K's user avatar
  • 111
1 vote
0 answers
22 views

3ware LSI RAID Controller not recognized by tw_cli utility

I am attempting to resolve an issue regarding the raid controller on my server. What I am trying to resolve is the following error message when I use the tw_cli utility. tw_cli > show No ...
Fuji's user avatar
  • 11
1 vote
0 answers
102 views

Possible to map an entire NVMe SSD into PCIe BAR for MMIO?

Assumed with a 1 TiB NVMe SSD, I am wondering if it's possible to map its entire capacity (1 TiB) into PCIe BAR for memory-mapped I/O (MMIO). My understanding is that typically only device registers ...
JGL's user avatar
  • 147
2 votes
1 answer
63 views

What is the difference between driver name and kernel module name for lshw?

Using lshw to query my WiFi USB adapter shows the following: $ lshw -C network *-network description: Wireless interface physical id: 12 bus info: usb@3:7 ...
jII's user avatar
  • 381
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0 answers
40 views

What causes Linux to be unable to share WiFi, while Windows can?

When I boot up Windows on my dual-boot laptop, it is trivially easy to share my WiFi connection with other device(s), by simply going to the hotspot settings and enabling the hotspot. This does not ...
Joeytje50's user avatar
  • 165
0 votes
0 answers
24 views

Required Intel CPU Video Driver

I need a Intel Video Driver to run latest OBS Studio on Debian 12. I have installed: mesa, mesa-utils, xserver-xorg-video-intel, intel-media-va-driver. My CPU is Intel Core i5 (i5-560m) What's the ...
Klubuntu's user avatar
0 votes
1 answer
261 views

Ubuntu not starting GUI after install

Just installed Ubuntu on my Dell Precision 3591 and, after installing it, the GUI won't start.  I have Ubuntu 22.04 with the 6.5.0-28-generic kernel. I understand this might be a problem with the ...
Zavit's user avatar
  • 1
0 votes
1 answer
58 views

Keypad driver does not input character with input_report_key()

I am trying to create Linux input device driver and to test things I took at existing gpio-matrix-keypad driver. Using print I know that input_report_key() is called with correct keycode, but it doesn'...
MegaRaman's user avatar
0 votes
1 answer
66 views

Resolution stuck at 800x600 after installing Nvidia Drivers

Wanted to install Nvidia Drivers on Fedora 40 so I could write CUDA code. I'm actually going to reference this question because it's very similar; only it was asked 7 years ago but received no answers....
Lobster Roast's user avatar
0 votes
0 answers
28 views

Can I load char driver on already existing device node?

I am exploring Linux kernel driver programming. And stumbled with following thoughts, Can I load a char driver on already existing device node (device node may already be created using mknod) ? To ...
user1915016's user avatar
1 vote
0 answers
16 views

issue with my 36h/36nh adapter on ubuntu 20.04

I have 2 network adapters, one says alfa awus 036nh on it and the other with 036h If I run lsusb I get the same output for both of them: Bus 001 Device 032: ID 0bda:8187 Realtek Semiconductor Corp. ...
umarkaa's user avatar
  • 11
0 votes
1 answer
189 views

Lots of errors trying to update nvidia drivers with dnf update --refresh on Fedora 39

So about a week or two ago I tried updating my kernel which incidentally broke my NVIDIA Drivers somehow. Every startup I'd get the "NVIDIA Kernel module broken. Reverting to nouveau" ...
Lobster Roast's user avatar
0 votes
1 answer
45 views

Unable to get GPU running after a recent update to Ubuntu 22.04

After a recent update to my machine, I can no longer access or use my GPU. I have fully uninstalled and then reinstalled NVIDIA drivers, CUDA, and nvidia-cuda tool kit. I have also disabled security ...
Jon Wilder's user avatar
3 votes
1 answer
224 views

Debian 12 – All of a sudden my USB3 LAN adapter gets assigned random MAC address at each reboot

I have various small NUCs with attached on each one some of this USB3 LAN adapters (because the NUCs have only one Ethernet, so I added extra ones with USB3 adapters). You can see an image of the ...
user3450548's user avatar
  • 2,974
0 votes
1 answer
40 views

Debian Driver issues [duplicate]

I have recently built a PC. Specs: Mobo: TUF GAMING B650-PLUS WIFI GPU: Radeon Rx 6800 XT OC CPU: Ryzen 7 7800x3d RAM: 2x 16GB 6000Hz CL30 First I've installed Windows. That system had problems with ...
pta szor's user avatar
11 votes
2 answers
1k views

Differences Between `/dev/null` and Devices Under `null_blk` Driver

I recently encountered the Linux Null Block device driver, null_blk, while I benchmarking the I/O stack instead of on a specific block device. I found the devices created under this driver (let's use ...
JGL's user avatar
  • 147
0 votes
0 answers
23 views

How do I check if a kobject exists?

I'm following this guide on sysfs: https://embetronicx.com/tutorials/linux/device-drivers/sysfs-in-linux-kernel/ If I use kobject_create_and_add to add a new kobject, the function will fail if the ...
dlee1828's user avatar
0 votes
0 answers
97 views

Nvidia GPU fans doesn't change accordingly to temperature

I've been strungling for a while trying all the possible drivers to have an RTX 3060 and a 4060 ti working in linux. The 'ubuntu-drivers autoinsall' uses the 535 driver, which does not detect the 4060 ...
César Arquero Cabral's user avatar
0 votes
0 answers
183 views

Can't install the drivers for my nvidia geforce gpu on Debian 12

I'm having trouble installing the drivers for my new rtx 4060ti gpu. Can anyone help me please? Thanks. Setting up nvidia-kernel-dkms (525.147.05-4~deb12u1) ... Loading new nvidia-current-525.147.05 ...
Hassam Dauhoo's user avatar
2 votes
1 answer
46 views

Plugging in an external DVD drive causes ls, sudo, new SSH connections refused.... what happened?

Title says it all. But I plugged in an external DVD drive into my Raspberry Pi running Raspbian. It says its Linux compatible However when I actually plug it into the device. Everything goes wrong in ...
CalebK's user avatar
  • 121
0 votes
1 answer
24 views

ath9k_htc wifi must be unplugged and plugged back in after each boot

Context, I have an stm32mp135d odyssey board running my own linux image made with yocto and booting from an SD Card. I have a cheap ath9k wifi USB dongle plugged into it and have a nuisance issue ...
robo1340's user avatar
0 votes
0 answers
50 views

nvidia-xconfig issue: error retrieving symbol nvCfgIsPrimaryDevice from libnvidia-cfg.so.1

I'm trying to setup my nvidia graphics card in Debian 11. To the best of my knowledge I've setup the drivers correctly, and have the following output for nvidia-smi: Mon Mar 25 10:04:05 2024 +--...
Tyler Hartwig's user avatar
0 votes
0 answers
101 views

How to automatically find, load and install wireless drivers in Linux?

When I install Debian Linux for my and my friend's laptops by using a net-install image(downloaded here), after I start the installation, it can usually automatically select a correct wireless network ...
kz25t's user avatar
  • 1
1 vote
1 answer
134 views

Where do i trace NVME IO within the Linux driver?

I want to write a small Linux driver extension. More specific: I want to write all the communication between the host and a M.2-nvme-ssd into a userspace file. The nvme driver is pretty big though and ...
led's user avatar
  • 13
0 votes
1 answer
316 views

wifi driver for Macbook Pro 2013 on debian 12

I have installed Debian 12 on my Macbook Pro 2013 via an internet connection with the thunderbolt adapter. It did not automatically install the wifi driver -- at least in the preferences there is no ...
Nathanael Skrepek's user avatar
0 votes
0 answers
41 views

Can I use whatever method GRUB uses to interact with keyboard inside the main system?

This question is effectively a follow-up to this one (to which I haven't got a satisfactory answer, also look there for the list of things I tried to fix the keyboard problem). My new laptop has a ...
Daigaku no Baku's user avatar

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