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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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nvidia-smi has failed because it couldn't communicate

I'm running Ubuntu 16.04 on my System76 machine with a GeForce GTX 750 Ti. I was trying to install CUDA when I realized the driver wasn't properly installed. I've tried multiple approaches to ...
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G-Sync on Linux — how to get it working?

I have a new system with a couple of 4K monitors with G-Sync support (Acer XB280HK), and a card capable of driving them (Geforce GTK 970). I have the Nvidia proprietary driver installed, version 352....
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No sound on detected headphones (arch)

alsamixer and pavucontrol shows everything is detected and unmuted. The speaker on my Laptop are working, only the headphones are detected and on mute or unmute I hear a short crack and nothing ...
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USB mouse not working

Every time I plug in any wired mouse recently, I get similar to the below on VCS1: [1443270.286164] usb 6-1: new low-speed USB device number 15 using uhci_hcd [1443270.454270] usb 6-1: New USB ...
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Kernel does not detect Hardware / Software or Hardware fault

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 to find it. I looked into: dmesg, lsusb -v, ...
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Why does Linux kernel driver sr.c sr_block_ioctl do mutex_lock?

My PC has two Optical Disc Drives (ODDs).  I burn file (3.8 G) to two ODDs at the same time. On CentOS 6.9 Linux Kernel 2.6.32, it takes about 10 minutes On CentOS 7.2 Linux Kernel 3.10.0, it takes ...
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Loading a kernel module at run time using “compatible” property of device node in device-tree

If I know the "compatible" property string of a device(from the device tree), can I use it at runtime to load the corresponding kernel driver module? I do not have access to the driver source. I am ...
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892 views

Hardware video acceleration in VLC

I have not been able to get VLC to use VA-API on my machine and it's driving me insane! I'm running Arch Linux on a ASUS ZenBook UX305CA with Integrated Intel HD Graphics 515. I have installed libva-...
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646 views

Printer on Raspberry (ARMv7 architecture)

I'm trying to do something that might be impossible, but I'm curious. I have a printer (this one) that I need to be able to print images from a RaspberryPi 3b. The main problem here is that there ...
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Xorg says “couldn't open module intel" but intel_drv.so exists

In my Xorg.0.log there are these lines: [ 36753.331] (II) LoadModule: "intel" [ 36753.331] (WW) Warning, couldn't open module intel and [ 36753.331] (II) LoadModule: "radeon" [ 36753.331] (II) ...
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How to assign e1000e driver to Ethernet adapter

Is there a way to instruct an Ethernet adapter to use a certain driver? Or perhaps the way it works is to have a way to instruct a driver to support a specific adapter? I have a system running a ...
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MSI interrupt in serial driver

This is a more general question: I have a RS485 PCIe card in my system (PERICOM_PI7C9X7954). The driver for it is in 8250_pci.c. It configures the PCIe interface. However, it doesn't use the MSI ...
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362 views

DRM KMS and Frame buffer

I need to build a graphics driver for E4690 card with ATI Raden RV730 GPU on it. Its only beginning. I am trying to understand the relationship between the following from linux sources: DRM KMS Frame ...
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380 views

Fedora 25 Keyboard not working + KDE Plasma bug

Fresh install of fedora 25. I have a corsair keyboard which runs on Ubuntu with an open source driver (ckb). On fedora, it doesn't work at all when prompted to decrypt the HDD (I have full disk ...
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951 views

Second monitor doesn't work with nvidia drivers

This question has been asked many times here and in other forums. I tried everything I could find, nothing works. I'm trying to use my NVIDIA GT540M on Ubuntu instead of Intel Graphics, but I have ...
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TP-Link WiFi USB adapter keeps dropping connection immediately on Debian 8

dmesg output when I try connecting via gnome desktop: [ 4162.708769] R8188EU: INFO assoc success [ 4165.713425] R8188EU: INFO ap recv disassoc reason code(2) sta:f8:3d:ff:ed:3b:b7 [ 4165.716173] ...
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modify the default options epson xp211 in cups

I just installed an Epson xp211 using the cups web interface, selecting the XP-211-214-216-Series own cups driver, but this one doesn't have the ability to select the resolution and the ink mode of 4 ...
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320 views

Unbind GPU while system is running

Is possible (any method) to switch between Graphics Cards while system is running? And than disabled card bind to KVM/QEMU? I have a desktop. I have 2 GPUs (1x Intel HD 4600 and 1x NVIDIA GeForce ...
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511 views

r8169 stops working after a while

This issue appeared after the CentOS installation. Server becomes unavailable completely neither through ssh nor through smb protocol. It happens randomly and there is no exact regularity. It can ...
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573 views

How to read data from optical drive in raw mode 2

I am trying to use the existing Linux driver system to effectively dump the data of CDROMs. As an example, if I pop in a "normal" CDROM disc of software and run the command cat /dev/sr0 then the ...
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monitoring block access to disk

I am looking for a way to monitor access to disk blocks, and to monitor the access as a bitmap of blocks. I also need the capability to freeze (and queue) the device block access (and also to ...
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648 views

Find a IR transmitter device

I would like to use the IR transmitter included in a cubox. I did not found any documentation to use it, so I would want to learn how to communicate with periphericals on linux. Commands like lshw,...
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Kali 2.0 screen freezing

Every time when I try to power off or reboot my laptop the screen freezes and I have to force power off, because the is the only option left. From my experience I know that installing Nvidia card ...
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802.11ac USB dongle support in Linux

(cross-post from Network Engineering community) Is it reasonable to expect to be able to get a 802.11ac dual-band USB wireless dongle to work correctly on Debian (wheezy) on an ARM platform (using ...
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USB to UART converter is lagging

I have a USB to UART converter with CH341A chip on it. This device can be used as a USB to UART converter, as a 24/25 chip programmer and as a USB to PARALLEL converter. The problem is with the UART ...
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Install rtl8188etv/rtl8188eu driver on Orange-Pi

I'm trying to install the wifi driver on Orange-Pi board. The real chip is rtl8188etv but the driver is the same. I have compiled 3.4.105+ Kernel to have the headers: mkdir /home/orangepi/linux-...
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nVidia fail after update

I have a 64-bit computer with Ubuntu 14.04, Gnome and nVidia. I had the official drivers from nVidia installed, all working perfectly, even Steam games. I did a reboot after a recent update and the ...
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1k views

Change color balance on Intel Graphics

My laptop has some screen or cable problem, because of which the screen is all pink colour. In Windows I use my Graphic Card configuration software to change the screen colours mixing colour channels ...
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Debian driver needed for Intel ICH7M SouthBridge I/O controller

I am using a motherboard based on this architecture. http://www.intel.com/content/www/us/en/intelligent-systems/navy-pier/embedded-intel-atom-n270-with-mobile-intel-945gse-express-chipset.html I ...
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550 views

How do I go about making a wrapper for a driver to be used on FreeBSD?

The situation: I found myself in need of an additional NIC for my pfSense router/firewall. I had a few choices... shell out over $100 for a dual port gigabit card buy a new motherboard that has ...
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860 views

How to know the event by looking at /dev/input/by-id

I want to access the keyboard device driver. I usually accesses it by looking at /dev/input/by-name but the event provided by it gets changed every time I log in. After searchin on the Net, I found ...
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137 views

strange noise in some gui programs

I have Debian testing, I use XFCE. Recently, shortly after dist-upgrade, I noticed that XFCE terminal has some noise in it - especially near the end of long lines or when I use midnight commander. The ...
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USB keyboard won't work with usbhid driver

I have an HP thin client (model t5325) which runs Debian Linux (kernel 2.6.22.18-1-armel). We are testing some kiosk keyboards from Operator Interface Technology which are presenting themselves to ...
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853 views

Pinguy OS 11.04 WiFi and Wired Networking is not working

I was attempting to install Pinguy OS from a YUMI created USB thumb drive, with the computer wired to my router. The internet, however, was not working. After the install, it still is not working. ...
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Ubuntu 18.04 installed RTX 2080 and recently compiled and running program will no longer run, are there conflicting drivers?

I have been trying to get a wxWidgets program to compile on Ubuntu 18.04. At the time, my RTX 2080 had not come in yet and I was using a coworkers 1060 in the mean time. Last Friday, I finally was ...
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Detection of certain SanDisk SD cards fails with Realtek RTS522A reader

I'm using the Thinkpad X380 Yoga. $ lspci | grep Card 02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. RTS522A PCI Express Card Reader (rev 01) $ uname -a Linux TPx380 4.19.6-1-...
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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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88 views

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
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Linux AHCI/ATA read errors not reported

After a recent OS upgrade (to current Tumbleweed, Linux Kernel 4.16.0 from April 4th), when reading from a faulty hard disk or from damaged/scratched DVDs, I don't get anymore read errors in the ...
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508 views

Bluetooth over serial (SPP) configuration and setup

I have an embedded board with an onboard bluetooth capability. My board runs Linux with bluetooth support provided by the BlueZ stack. I have access to all the bluez utils like hciconfig, sdptool, ...
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0answers
295 views

Hangouts causes system to freeze & crash on Mint 18.3, dell Inspiron 15, Intel i7 7thGen

I have a Dell Inspiron 15 7560 i7 and have dual booted Linux Mint 18.3. Running a BIOS version 1.3 from Intel's website. Video card is NVIDIA GeForce 940MX (4GB). I am seeing that while using Google ...
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600 views

USB device being plugged in not seen by `udevadm monitor --kernel --property`

I have a USB hard disk. When I plug it in onto my xhci_hcd bus then usually it won't be listed by lsusb. If I do udevadm monitor --kernel --property, no sign of the device being plugged in appears. ...
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Missing a driver for a SMB-accessed Brother printer

I use Lubuntu 17.10. I'm not quite sure which spooling mechanism my own system uses (I think it's CUPS). Now, I want to connect to a printer attached to another machine on a LAN; it's a Windows ...
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334 views

Close file descriptor (in user-space) when UIO driver is unregistered (in kernel)

In an embedded system running Linux, we have a PCI driver in user-space making use of the kernel driver for UIO. The application can trigger registration of the device which calls ...
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565 views

Configuring serial driver sc16is7xx

Initial Question I work with the NXP chip SC16IS740 as a peripheral to an embedded linux system (mainline kernel v4.8). The usecase is quite simple, a continuosly transmitting uart line (9600 8n1) ...
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How to select integrated graphic card over NVIDIA?

I am using Linux Mint 18.2 Cinnamon version (based on Ubuntu 16.04, but I was told I can't post in askubuntu). I have Intel CPU with integrated graphics and NVIDIA 1060. In BIOS I have enabled ...
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365 views

Linux HID driver for keyboards sending 1 extra byte

I bought a new keyboard similar to an old one. The old one works, the new one not. There is a difference in one extra data byte sent by the new keyboard. Is there a Linux driver which support the new ...
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How to check if my graphics card (driver) is working properly? [Debian 9]

I have a nvidia graphics card and for getting it to work I only added contrib non-free to my repositories' sections in synaptic (reluctantly), installed nvidia-driver and restarted. In the NVIDIA X ...
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Wireless incredibly slow on Ubuntu Gnome 17.04

I have a 60Mbps internet, but on my laptop, very close to the access point, I only get 150kbps download speed. I know >:^( It's not the access point. It's relatively new and, testing on my phone, the ...
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Sound output from Dell U2417HA monitor doesn't work on Linux

I have a Dell U2417HA monitor that came with my Dell Desktop. The monitor has an audio output and from what I've read the audio is supposed to come through the HDMI cable and I should be able to plug ...