Questions tagged [peripherals]

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Debian 10 KDE - Bluetooth mouse keeps disconnecting

I was happy to have my Bluetooth mouse connected after several hours of searching the right commands, but now it just disconnects. Sometimes after mimutes, sometimes after an hour and keeps ...
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39 views

Bluetooth Keyboard not functioning properly Arch Linux

I recently bought a Bluetooth keyboard (when I still had Windows) and then decided to upgrade my laptop HP Envy x360 Convertible 15-aq055na to Arch Linux (KDE Plasma if that helps). Everything is ...
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8 views

How to find out interface clocks reliable

Until today I thought, I could read the actual clocks of interfaces on an embedded device (i.MX6, yocto linux with freescale kernel) in /sys/kernel/debug/*/clock But now I see a clock of 50 MHz on /...
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99 views

Linux, at what point a device can write to the main memory through DMA?

I am trying to figure out how and when Linux gives the permission to perform direct memory access (DMA) to the peripheral devices on PCIe. I have read how DMA is initiated in the kernel's "DMA ...
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16 views

Configure connection to 2nd monitor on dual boot menu

I have my laptop "docked" (meaning, the lid is closed, so the laptop's monitor and keyboard are inaccessible) in a stand and am currently using 2 monitors and an external keyboard. Would I be able to ...
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97 views

Logitech M185 Wireless Mouse Not Fully Functional After Upgrading to Fedora 31

I upgraded from Fedora 29 to Fedora 31 and now my logitech M185 mouse is only partially functional. The middle and right buttons do nothing, and the left button appears to only be able to make a ...
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1answer
1k views

Get the device path of USB given device ID

After plugging the USB to the port of my machine, if I do lsusb I see the device I am looking for: Bus 001 Device 004: ID 04f2:b573 Some Manufacturer If I list the devices under /dev/, I can see ...
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2k views

SD card not showing up under /dev

I'm trying to mount a 2gb Kingston SD card on a Lenovo ThinkPad t420s running Arch Gnu/Linux with kernel version 5.2.6. It has a removable SD card reader connected with an ExpressCard slot. I've ...
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1answer
1k views

USB devices not authorized for usage after Debian upgrade

I am running Debian on a Lenovo Thinkpad X240. Some time ago I upgraded from Stretch to Buster. Since then the USB-Keyboard and the USB-Mouse don't work. I can't read or access any USB-Sticks either. ...
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304 views

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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1answer
2k views

How exactly USB Audio will be detected in Linux? [closed]

How will the Linux detect that I connected a USB Audio Peripheral? If I connect a USB Charger it will charge my mobile and it does not show any Headset icon on my status bar(Android). But when I ...
5
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1answer
2k views

Scrolling impossible while moving mouse - Fedora 28 VM guest on Win10

I have been searching awhile before asking my question here, but still cannot find any answer. I have noticed that mouse scrolling is generally poorly handled on Linux (maybe just Gnome tho). I am ...
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1answer
946 views

Desktop environment is non-responsive, how to diagnose/restart?

My desktop environment (Gnome?) is non-responsive. I tend to plug and unplug the mouse and keyboard frequently. I just plugged in the mouse and keyboard, and the computer came out of sleep, but is not ...
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63 views

Restrict peripherals to input/output devices

I have some Linux Debian machines that I want to prevent "unauthorized" devices from being plugged in. Basically I don't want employees plugging in external hard drives or USB thumb drives and moving ...