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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 to completely remove a keyboard driver in Linux Mint

I am currently on a Linux Mint Cinnamon and I have some typing issues with my keyboard. My several keys (like arrow keys, number keys) keep getting pressed that is giving me problems. For that matter, ...
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1answer
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Unable to Change Display Resolution on Debian

After installing Debian 9.5.0 with Gnome Desktop, I'm unable to change the display resolution through 'Settings'. The only option I have is 1024 x 768. My display's actual resolution is 1280 x 1024. I ...
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rx 560x slower than integrated vega gpu on fedora 28

I'm using fedora 28 because it seems that is the only distro where that detects the rx560x correctly. None the less, I noticed that the performance when using the discrete GPU is significantly worse ...
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Only load driver for a single NVMe drive

I have a system with multiple NVMe drives, one of which is a boot drive, the rest are data drives that I do not want accessed until later, if at all. Is there a way to prevent linux from loading the ...
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0answers
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Broadcom Network Controller issue when entering Xorg

Background I am setting up an old HP Mini that is partitioned with windows xp that works fine. Having installed Debian 9 on a partition, I am having issues with the wifi network device. However ...
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2answers
41 views

rtlwifi compilation on Debian 7

I use Debian 7 Wheezy, and I have an error when I try to type make command. I am trying to compile rtlwifi driver. This is the error message: make[1]: *** /lib/modules/3.2.0-4-686-pae/build: No ...
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30 views

How to update my TP link w722n version 3's beta driver? [duplicate]

I'm trying to install a driver for my Kali linux but I keep getting the error below. I can't get this to work, I've already updated and upgraded the system so I wonder what the problem is. /bin/sh: ...
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1answer
39 views
+100

Libinput transformation matrix for rotating the input coordinates

Take a look at the official documentation for libinput's coordinate transformation matrix: https://wayland.freedesktop.org/libinput/doc/1.1.0/group__config.html#ga09a798f58cc601edd2797780096e9804 ...
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Understanding fb_imageblit struct for framebuffer's imageblits ioctl [migrated]

I have been creating a custom framebuffer driver and had to implement XXXfb_imageblit. The function takes an fb_image struct as a parameter and I do not understand how the image is stored in fb_image....
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0answers
9 views

Should I use nomodeset ? Nouveau: failed to create kernel channel -22

When I boot I get this errors: nouveau gr: failed to load gr/sw_nonctx nouveau DRM: failed to create kernel channel -22 But all the stuff it's working fine. When I add in /etc/default/grub ...
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How do I stop trackpad driver via xinput disable

If I enter the xinput list command into a terminal I get the following output. Virtual core pointer id=2 Virtual core XTEST pointer id=4 Synaptics TM3096-006 id=11 SynPS/2 ...
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1answer
30 views

mapping linux /dev/fb0 to DDR for displaying

I want to write a linux driver which maps my specified memory address space to /dev/fb0. the driver should be specified by what part of linux? drm or frame buffer or server X or somthing else? Which ...
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1answer
24 views

How to access NVRAM and DPRAM in Linux userspace?

We are going to add NVRAM and DPRAM in our custom board where both of them will be mapped in system memory map. I am not getting a clue that whether these devices have some generic drivers in Linux ...
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0answers
32 views

DT bindings for ADT7516 sensor

I have a BeagleBone green and ADT7516's evaluation board connected with SDA and SCL pins. When I do i2cdetect -y -r 2, I can see the i2c address as 0x4b and I am able to probe the adt7316 driver ...
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0answers
21 views

Linux Device Drivers - Probe function not called, but driver getting deferred

I've been trying to get an MCP2515 can controller working on a spi-gpio bus in my device tree, but the MCP251x driver's probe function never seems to actually be called. Oddly enough though, some ...
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0answers
20 views

what is inside weak-update folder?

First, installed a driver package to OS (ex: CentOS ) -- foo_1.0.rpm Second, install the same driver but different version -- foo_2.0.rpm by rpm -ivh --force foo_2.0.rpm It seems an extra folder ...
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0answers
36 views

Matebook X PRO and Nvidia drivers with Mint 19

Once installing nvidia-390 drivers (or other versions) in my MBXP, I experienced a black screen after the boot. I managed to resolve the problem going in tty and purging all the Nvidia drivers and ...
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0answers
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HDMI not recognized after Nvidia driver/Linux kernel update

I recently was working very nicely with: Linux kernel 4.13.0-41 Nvidia driver 384.111 and the update manager installed: Linux kernel 4.15.0-33 Nvidia driver 384.130 I had the Nvidia driver ...
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0answers
35 views

Configuring the correct graphics card drivers: Radeon R7 M260/M265 [closed]

I have recently downloaded and installed Ruiner from Steam and on my machine it does not run as smooth as it supposed to, given the requirements the game needs. The game lags incredibly even at low ...
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0answers
19 views

Scenario to use the sg driver

Is there any device commonly controlled by SCSI generic driver (sg) in Linux today? I am curious about that. Currently I just know the mtx tool which controls robots in tape libraries via sg driver.
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1answer
34 views

Hardware controlled RTS on tty

I have a UART whose RTS pin is connected to an external RS485 transceiver, so that asserting the RTS pin would set the transceiver to send mode. I thought I could configure the serial port to use the ...
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36 views

Building driver for Intel X722 Network Adapter on Ubuntu [closed]

I have just received a new system from my university with the following specifications. Mainboard: ASRock EPC621D8A CPU: Intel Xeon Silver 4110 GPU: 2 x Nvidia Geforce 1080Ti I want to ...
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0answers
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RS485: ioctl: ttyS1 not a tty device

I have a board with UART, and an external converter to RS485. It sits at /dev/ttyS1. The converter requires that I put the UART RTS pin to high when sending and to low when receiving. I can achieve ...
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0answers
25 views

Ubuntu conflicting drivers [closed]

I'M working on usb cdc acm. My code is stopping while run time.Is it because of conflicting drivers? But it is detecting the boards i'm connecting to pc. Why it is happening *Is there any problem ...
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2answers
119 views

Why file operation assigned twice in ldd3 sample code?

https://github.com/martinezjavier/ldd3/blob/master/scull/main.c#L601 static void scull_setup_cdev(struct scull_dev *dev, int index) { int err, devno = MKDEV(scull_major, scull_minor + index); ...
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Debian: Setting up an Old Printer

I'm trying to resuscitate an old Lexmark 1100 printer on Debian. However, CUPS doesn't have this specific model available in its drivers list. Therefore, I've tried the closest one (Lexmark 1020 ...
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1answer
21 views

Where to get PostScript printer driver for HP OfficeJet Pro 8210?

The Tails-developers have inserted a pretty nice PostScript printer driver for HP OfficeJet Pro 8210 into Tails. I am strongly searching on where to get this driver, so I already installed the ...
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0answers
30 views

Failed to run minikube start on VMware Workstation 12

I planned to run minikube start for my own local cluster study research, when i executed the following command on the terminal, Here is the errors that i had: [root@centserver ~]# minikube start --...
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0answers
24 views

USB gamepad driver for Linux

My little efforts in the image and likeness of the driver for the joystick game console "XBOX" was written a small module, at least for the pre-test check whether the key press or not. A link to the ...
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1answer
25 views

For what purpose does a block device driver use minor numbers?

After reading the chapter about block device drivers in the book "Understanding the Linux Kernel" I am a bit confused about the usage of minor numbers. I have read before about major and minor numbers ...
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0answers
13 views

How are two i2c drivers linked together

I followed this tutorial and everything is working fine When I run lsmod, it lists the ina2xx-adc driver (not the ina2xx driver) as running. After I do $ echo 'ina219 0x40' > /sys/bus/i2c/...
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How to remove device id from manually entered usb-serial driver

I previously followed the answer in this question: Attaching USB-Serial device with custom PID to ttyUSB0 on embedded Now, I need to revert that step so that the device id I echoed to new_id doesn't ...
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0answers
26 views

How to recompile and run a prebuilt linux kernel driver as a custom module?

I am able to create a custom basic module (hello wrold kernel) and use insmod to load it into kernel space. However what I need now is to be able to use slip.c code by its entirety (copy and paste) ...
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1answer
22 views

Unable to get my PCE-AC56 working properly, but was only able to get it working and decently stable once

As the title says, I've been trying to get my Asus PCE-AC56 to work with Linux Mint 18.3, which the wireless card has a Broadcom BCM4352 chip on it. I was able to at times, but it would run terrible ...
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0answers
23 views

Upgrading slackware 12 to 13 causes keyboard and mouse to not work in any window manager?

I'm trying to figure out why my new setup just does not work. I followed the readme instructions in the slackware distribution and upgrade the system. After upgrade, xorgconfig is removed and the ...
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0answers
21 views

Debian live boot fails to initramfs shell, saying “unable to enumerate USB device”

When trying to boot the latest live boot from Debian with the 4.17 kernel, the boot fails and kicks me to an initramfs shell. I cannot find the USB device that I am trying to boot from in /dev, which ...
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0answers
108 views

Ubutnu 18.04 host + RT2870/RT2030 Wireless Adapter failing when running hostapd

I am running into this problem, where I am unsuccessful in finding a solution for. I have an alfa card which ubuntu 18.04 recognized as Bus 001 Device 002: ID 148f:3070 Ralink Technology, Corp. ...
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1answer
56 views

SPI driver for Debian

This is the Linux: PRETTY_NAME="Debian GNU/Linux 8 (jessie)" NAME="Debian GNU/Linux" VERSION_ID="8" VERSION="8 (jessie)" ID=debian The Kernel version is: 4.1.15-gcfb25fd ...
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0answers
40 views

Unable to compile brcmfmac Driver in Linux

I'm attempting to re-compile a patched brcmfmac driver I have made myself. However, compilation has failed even after I have copied all the /include files into the usr/include folders. The following ...
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1answer
44 views

Modifying and Re-compiling Linux Drivers [closed]

I'm interested in modifying and re-compiling one of the wireless drivers in a Linux environment. I know exactly which line in what file I need to modify, however may I know how can I re-compile the ...
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0answers
15 views

CentOS and xbee

A little python program using an XBee works fine on MacOS but fails on our CentOS 7 machines because of permission problems. root can run the program but not other users because /dev/ttyUSB0 is: crw-...
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0answers
79 views

Utilizing UART/Serial port driver inside another Linux module/driver

I am implementing a network module/driver in Linux which uses net_devices structure. And so far I have been able to add and remove my module to and from kernel space using insmod command. Via ifconfig ...
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1answer
51 views

How to remove faulty GPU drivers Ubuntu 18.04

I have a new build which I have set up as dual boot with Windows10 alongside ubuntu 18.04. The Ubuntu installation has a root/home and swap partitions. As part of the set up process I was trying to ...
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1answer
100 views

PL2303/PL2303X USB-Serial driver

OS: Linux Mint 19 Tara (also tested on Ubuntu 18.04 LTS and Ubuntu 14.04 LTS) Kernel: 4.15.0-20-generic I have a USB-Serial adapter with the PL2303X chip to connect hardware to a Linux host. The ...
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0answers
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AT commands communication establishment in Linux USB device driver

I'm trying to understand the call flow of AT command interface ttyACM* of host to Modem. Modem has DWC3 USB device driver and i would like to know what is the entry point to USB device driver when ...
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1answer
135 views

How to install WiFi driver in Debian 9?

I installed Debian 9. Now I need to install WiFi card driver. But, I couldn't find a working one on my system. These are my devices listed by command lspci -nn: 00:00.0 Host bridge [0600]: Intel ...
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1answer
72 views

How do I get Brother printer drivers to work on Fedora?

I have two Brother printers : a QL-1050 label printer (USB-plugged) and an MFC-9330CDW (wifi). Both work fine with an Ubuntu laptop, but I struggle to get them to print under Fedora 28 (actually had ...
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0answers
21 views

Compiling a wireless adapter driver causes header-related errors on Kali 4.16 [duplicate]

I've recently gotten a wireless adapter that I'm trying to install the drivers for. I've upgraded everything (I think), however when it came to running the make file I've got these errors: error: ‘...
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0answers
15 views

xr_usb_serial_common limited to 32 devices

I'm using 64 serial devices connected to one machine with Ubuntu 18.04 LTS. All devices are from Exar Corp. It worked like a charm with 32 devices but failed with 64. Only 32 /dev/ttyXRUSB* got ...
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1answer
34 views

Rotel PC-USB for Linux. Any solution or suggestions to try

I have a Rotel RA 1570 integrated amplifier that will receive audio files from a PC through a USB connection. To play files above 96 kHz we need a driver supplied by Rotel. This is available only ...