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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install older nvidia driver which has different subversion

I'm not sure if subversion is the correct term. I'm trying to set up a linux container with gpu pass through (ubuntu 16.04 host and container). the host has nvidia driver version 384.81 and if I try ...
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Linux: How is the input latency of a Wacom tablet distributed among the various software- and hardware components?

Say I have the following setup: Linux Kernel input-wacom kernel driver xf86-input-wacom X11 driver Wacom tablet How is input latency distributed among these various components? Are there any ...
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how I can restore my wifi adapter in Antergos?

does anyone know restore my wifi adapter, everything seems fine, but I do not see the networks, I appreciate your help, thanks you. [lyon@LyonPc ~]$ sudo lshw -C network [sudo] password for lyon: ...
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'cat /sys/kernel/debug/pinctrl/INT*/pins' show not available

I want to do control over these GPIOs, but it shows those GPIOs are not available. ex: pin 4 (GBE0_SDP2) not available What's the problem? The possible driver source: https://github.com/torvalds/...
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Thermal Printer drivers on Raspbian

I have recently bought a thermal printer (NPI NP-KV30DK), and I was trying to make it work under linux (Raspbian to be exact). I have already installed cups but I have no idea how to make the printer ...
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How does a block device driver handle IO errors

When a block device gets a request to read a range of sectors, and one of those sectors has a read failure, how does the driver signal to the kernel that a partial read is available, and that the ...
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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 ...
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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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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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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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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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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 ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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 ...
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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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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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can't set config #1, error -32

It is unknown why some USB device can't work, we can see the related log as follows: Aug 14 16:47:31 antec kernel: [382974.722605] usb 1-1.5: new full-speed USB device number 3 using ehci-pci Aug 14 ...
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Slow download speed with rtl8821ce on Pop!_OS 18.04

I recently bought a HP 15-da0206ng laptop and since my goal was to finally switch from Windows to Linux I installed the Linux distribution Pop!_OS 18.04 LTS which is built on Ubuntu 18.04 LTS. After ...
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Installing NVIDIA drivers on non optimus laptop running Kali

I want to install the proprietary nvidia drivers on my laptop but I've read online that it's hard to do that with kali. I've seen multiple guides on how to do this but they're all for optimus laptops ...
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Device Driver Subsystem Options

What are the performance differences between attaching a hardware device and its driver to the HWMON subsystem vs. the INPUT subsystem? I have an embedded board with an ADC that is connected via the ...
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1answer
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turbostat - Why sometimes RAMWatt is about 100 in idle?

By using turbostat command we can check the power consumption of RAM. ex: CPU%c6 ... PkgWatt RAMWatt 96.56 ... 64.43 93.12 CPU @ c6 state more than 95%, I think the system is in idle....
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Correct Install Process for TPLink AC1300 V3 Archer T4U Kali Linux? [duplicate]

I am wondering if anyone has had any success installing the driver for v3 TPLink AC 1300 Archer T4U on Kali Linux?? I keep getting error 2 when trying to make. I have tried to install several drivers, ...
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Linux Mint 19 install and update problems

I'm using Linux Mint, how can I check which Graphics drivers are being used ? I want to enable the Intel Hd graphics drivers, whcih I think are already installed (how would I check?). How do I ...
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Not able to remove loadable module

I am trying to learn about Linux device drivers. I am trying to install the module using insmod from the command line. After insertion, I try to remove the loaded module, which fails with the error, ...
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Configfs number of USB endpoints

I had a question regarding whether ConfigFS multi-gadget configurations can handle more than one USB endpoint at a time. Basically, if there is an USB hub with multiple USB devices connected that use ...
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Automate driver loading question [closed]

I want to automate driver loading through hotplugging on an embedded linux system I am configuring. Through some research I've found the way I might want to do it is use udev rules to run a script, ...
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39 views

Environment and systemd

All what I'm trying to do is to get VOL variable from /sound.cfg, depended by DEV number. cat /sound.cfg VOL1=20% Systemd startup script includes: [Service] Environment="DEV=1" EnvironmentFile=/...
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How to start X?

I installed the ATI drivers for the video card, and after rebooting the xserver broke down. I rolled back the server configuration to standart but this did not help, I also deleted temporary files ...
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Graphichs driver issue for NVIDIA GeForce 7100 / nForce 630i

I installed Linux mint 19.01 XCFE (related to Ubuntu) on a 10 year old system today, but was surprised at some graphical glitches: YouTube would not play in full screen correctly (white bar at top of ...
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Get kernel timeslice ID

Background: In my kernel driver I found a difference in time measurements that I use to trace an error. I am sure this is because in one try the driver got interrupted and had to pause until it's next ...
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Wireless Mouse doesn't work after upgrading packages - Debian

My wireless optical mouse has stopped working after upgrades performed with # apt-get upgrade. This is the output of # tail -f /var/log/syslog May 23 10:30:00 GaboPC /usr/lib/gdm3/gdm-x-session[596]...
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How to install Nvidia proprietary driver on a dual-gpu laptop properly?

This problem has been bothering me for months. I have a HP Envy Dv6 laptop, in which I installed Kali Linux. It has a dual gpu system with integrated graphics (Intel HD 4000) and dedicated GPU (...
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Installing Cuda 10.0 for tensorflow-gpu

I have trouble installing cuda10.0 on my work station. I followed this guide: https://www.tensorflow.org/install/gpu Here is the following commands i did. pip install tensorflow-gpu # stable -#Add ...
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Xconf / change the driver of an input device

i have an input device registert under /dev/input/event10 but the X Server "detect it wrong" and load synaptics_drv.so , so i tried to add /etc/X11/xorg.conf.d/00-settings.conf with the content ...
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Debian 10 wifi connection with heavy delay (but no package loss)

$ PING www.debian.org(klecker-misc.debian.org (2001:67c:2564:a119::148:14)) 56 data bytes 64 bytes from klecker-misc.debian.org (2001:67c:2564:a119::148:14): icmp_seq=1 ttl=56 time=19481 ms 64 bytes ...
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1answer
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Modules did not load correctly

I had tried to insert a “hello ,world“ kernel module in my Ubuntu: version 16.04. But it throws cannot stat './modules.order' : no such file or directory'. After that, I rebooted my system. Now ...
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SOLVED Nvidia driver 418 missing dependencies

I was following this guide: https://github.com/lutris/lutris/wiki/Installing-drivers and when I tried to install the driver, it throwed this error: The following packages have unmet dependencies: ...