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usb webcam randomly dies

Kernel not recognizing your hardware? Problems with power management or PCMCIA? What hardware is compatible with Gentoo? See here. (Only for kernels supported by Gentoo.)
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mlybarger
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Joined: Wed Sep 04, 2002 1:03 am

usb webcam randomly dies

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Post by mlybarger » Wed Oct 12, 2022 10:22 pm

i have a usb webcam. i use google hangouts / meet for calls. when my camera is on, it randomly shuts off. i get an error in dmesg that says:

Code: Select all

mark@lightning ~ $ uname -a
Linux lightning 5.15.72-gentoo-x86_64 #1 SMP Wed Oct 12 11:44:19 EDT 2022 x86_64 AMD Ryzen 9 5950X 16-Core Processor AuthenticAMD GNU/Linux
mark@lightning ~ $ dmesg | grep -i uvcvid
[    5.496218] usbcore: registered new interface driver uvcvideo
[19504.845230] uvcvideo 1-3:1.1: Failed to resubmit video URB (-19).

https://dpaste.com/FZVQHCEUG

any ideas/tips?
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mike155
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Posts: 4438
Joined: Fri Sep 17, 2010 11:33 pm
Location: Frankfurt, Germany

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Post by mike155 » Thu Oct 13, 2022 4:20 pm

Please install and run powertop. Switch to Tab "Tunables". Make sure that power management is disabled for all devices that are related to your USB camera: your camera, the USB port it is connected to, USB root hubs, your chipset etc.

This does NOT mean that power management has to be disabled to make your camera or other devices work. It just means that power management sometimes leads to issues like the one you reported.
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