usb

alsamixer / amixer supported usb audio class 2 controls

alsamixer / amixer supported usb audio class 2 controls I am currently developing a usb soundcard that is usb audio class 2 compliant. In my current setup I have audio and mute controls for several channels working in alsamixer. The USB audio class 2 spec also supports a lot of other controls such as bass, …

Total answers: 1

USB 4G Modem Not Detected on Raspberry Pi with NetworkManager

USB 4G Modem Not Detected on Raspberry Pi with NetworkManager Am trying to set up a USB 4G modem on a Raspberry Pi using NetworkManager, but it doesn’t seem to be detected. Here are the details of my setup: Raspberry Pi model: 4 USB 4G Modem: zte mf833u1 Operating System: Rasbian Bookworm Steps I’ve Taken: …

Total answers: 2

"Error Mounting dev/sda at /media/fjdpaco/USB Stick:Unkown error when mounting dev/sda"

"Error Mounting dev/sda at /media/fjdpaco/USB Stick:Unkown error when mounting dev/sda" I have an Acer Aspire3 laptop, and I am trying to open up a Memorex 8GB USB stick from the Files application in Ubuntu. I Given that I have important data I don’t want to accidentally destroy I don’t want to touch anything without an …

Total answers: 1

Make USB audio device default

Make USB audio device default Running Debian : # uname –kernel-name –kernel-release –machine Linux 6.5.11-7-pve x86_64 # cat /proc/asound/cards 0 [PCH ]: HDA-Intel – HDA Intel PCH HDA Intel PCH at 0xfb410000 irq 98 2 [USB ]: USB-Audio – Scarlett Solo USB Focusrite Scarlett Solo USB at usb-0000:00:14.0-7, high speed Each time I boot, the …

Total answers: 2

Hidraw udev rule group sometimes failes

Hidraw udev rule group sometimes failes I have troubles with a sensor that acts as a hidraw device to send periodic data through USB. I have a Udev rule that creates a symlink to be used by docker container with Azure IoT Edge. SUBSYSTEM=="hidraw", ATTRS{idVendor}=="1a86", ATTRS{idProduct}=="e025", SYMLINK+="temper" MODE="0660" Thing is, usually, after some time (may …

Total answers: 1

Addressing Initial High Transfer Speeds Causing Data Loss in USB File Transfers: Community Insights Needed

Addressing Initial High Transfer Speeds Causing Data Loss in USB File Transfers: Community Insights Needed Experiencing Challenges with USB (NTFS) File Transfers: Anomalies in Initial Write Speeds Leading to Data Loss I am currently encountering a perplexing issue during file transfers to an NTFS-formatted USB drive. Upon initiating the transfer, the progress bar displays an …

Total answers: 1

What does Ubuntu mean by "analog input" via USB?

What does Ubuntu mean by "analog input" via USB? I have bought a PCM2903C Analog to Digital Converter (ADC) connected to my Ubuntu 20.04 laptop via USB. But why does Sound Settings contain these 2 settings?: Digital Input (S/PDIF) – PCM2903C Audio Codec Analog Input – PCM2903C Audio Codec (Plus internal microphone) In other words: …

Total answers: 3

What does the `arp` command show?

What does the `arp` command show? I googled and took a look at this page for example, and I know that the arp command is supposed to show the mapping between an Internet Protocol (IP) address and a Media Access Control (MAC) address. But it does not make sense to me when I look at …

Total answers: 1

Ubuntu Boot takes a while to load

Ubuntu takes a long time to boot I have a question about the boot of my Ubuntu Machine. The thing is, it takes up about five minutes. First I see the motherboard startup screen (MSI in my case) and after that I see the Ubuntu loading screen and the loader dots. In some time, the …

Total answers: 1

VMWare unable to enumerate USB Devices

VMWare unable to enumerate USB Devices I have a laptop running Ubuntu 23.10 running VirtualBox Graphical User Interface Version 7.0.10_Ubuntu r158379 When I boot the Virtual Box interface up, it immediately pops up the error: Failed to enumerate host USB devices. Could not load the Host USB Proxy service: VERR_DISK_FULL. Result Code: NS_ERROR_FAILURE (0X00004005) Component: …

Total answers: 1

fdisk -l on an usb drive gives a very weird response

fdisk -l on an usb drive gives a very weird response Today I nuked an old usb3 flash 8GB drive on a linux machine with: dd if=/dev/random of=/dev/sdb then I put it into a windows pc, it asked me to format it, I did an extended format with default values like 4k block size, fat32 …

Total answers: 2

D-Link DWA-182 Rev C Ubuntu 23.10 is not working

D-Link DWA-182 Rev C Ubuntu 23.10 is not working I have a fresh installation of Ubuntu 23.10. I have a D-Link dwa-182 rev c USB wifi adapter. I’ve tried a few of the methods on here for installing the correct drivers and yet no wifi settings have appeared. Information for Wifi diagnosis: https://pastebin.ubuntu.com/p/9Z5Pt9xNkk/ ########## wireless …

Total answers: 1

Serial Port: characters consistently lost when receiving data

Serial Port: characters consistently lost when receiving data I am using Ubuntu 20.04 on Raspberry Pi 4 I am receiving data from another device through USB initiated as serial port with ftdi_sio with udev rules: ACTION=="add", ATTRS{idVendor}=="0eb8", ATTRS{idProduct}=="ea02", RUN+="/usr/sbin/modprobe ftdi_sio" RUN+="/usr/bin/sh -c ‘echo 0eb8 ea02 > /sys/bus/usb-serial/drivers/ftdi_sio/new_id’" ACTION=="remove", ATTRS{idVendor}=="0eb8", ATTRS{idProduct}=="ea02", RUN+="/usr/bin/sh -c ‘echo usb-Mettler-Toledo_Seven_Excellence-if00-port0 > …

Total answers: 2

After reboot, bluetooth is active, but pairing no possible

After reboot, bluetooth is active, but pairing no possible A similar question was asked three years ago, with no answer. After reboot of my Ubuntu 22.04, I always need to unplug-plug my ASUS USB-BT500 bluetooth stick so that keyboard and mouse can connect. Rarely a similar effect happens during a session (keyboard and mouse disconnect, …

Total answers: 3