Hi Michaël On Fri, 21 Mar 2025 at 13:29, Michaël Melchiore <rohel01@xxxxxxxxx> wrote: > > Ricardo, > > Setting quirks to 16, the webcam now works. Please find the dmsg logs attached. > What should I do to make it permanent? Short term you can set a modprobe.d file with the required options. Long term, a patch should be added to uvcvideo.c. Something similar to: https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/drivers/media/usb/uvc/uvc_driver.c?id=b2ec92bb5605452d539a7aa1e42345b95acd8583 Maybe you want to try preparing that patch? Regards! > > Cheers, > > Michaël > > Le ven. 21 mars 2025 à 12:38, Ricardo Ribalda <ribalda@xxxxxxxxxxxx> a écrit : >> >> Hi Michaël >> >> Could you try setting quirks to 16? >> >> rmmod uvcvideo; modprobe uvcvideo quirks=16 >> >> and then try the same test (you can also try Cheese after you capture the logs) >> >> Regards! >> >> >> On Fri, 21 Mar 2025 at 11:49, Michaël Melchiore <rohel01@xxxxxxxxx> wrote: >> > >> > Hello Ricardo, >> > >> > This webcam is indeed connected through a KVM USB port. >> > >> > I followed your instructions with the webcam first connected through the KVM and then directly to the laptop. See the attached logs. >> > >> > Please noted I ran the command yavta -c /dev/video2 since this laptop already has an integrated webcam, registered as /dev/video0 and /dev/video1 >> > >> > Thanks for your help! >> > >> > Michaël >> > >> > >> > >> > Le ven. 21 mars 2025 à 10:56, Ricardo Ribalda <ribalda@xxxxxxxxxxxx> a écrit : >> >> >> >> Hi Michaël >> >> >> >> By looking at your dmesg.log. This sees to be the culprit: >> >> >> >> [123030.111453] uvcvideo 1-8.4:1.1: Failed to resubmit video URB (-1). >> >> >> >> Unfortunately, it happened before you enabled the trace in uvc. >> >> >> >> Could you try again but this this time do this: >> >> >> >> 1) enable trace >> >> 2) connect the camera >> >> 3) try to capture frames with yavta. >> >> yavta -c /dev/video0 >> >> 4) share the logs >> >> >> >> Also try to connect the device to a different port in your notebook, >> >> preferably being the only thing connected to that port. >> >> >> >> Thanks! >> >> >> >> >> >> >> >> On Thu, 20 Mar 2025 at 23:30, Michaël Melchiore <rohel01@xxxxxxxxx> wrote: >> >> > >> >> > Hi. I just want to report on a non working webcam. Details is as below >> >> > >> >> > Device details >> >> > >> >> > 1. Vendor Id / Device Id : 0bda / 5822 >> >> > 2. Device name : Realtek Semiconductor Corp. USB Camera >> >> > 3. Vendor : HP >> >> > >> >> > My laptop details >> >> > >> >> > 1. Lenovo Legion Pro 5 16IRX9 >> >> > 2. Linux kernel : 6.11.0-19-generic >> >> > 4. My operating system : Ubuntu 24.04.2 LTS >> >> > >> >> > I tried using this webcam with GMeet, Cheese and Kamoso. In all cases, >> >> > I get a blank screen even though the LED on the webcam lights-up as if >> >> > it was working: all programs seem stuck displaying a "Starting up your >> >> > webcam..." phase. >> >> > >> >> > As requested in the FAQ, I have attached my dmesg.log and lsusb.log >> >> > files. Please note this laptop has an integrated webcam which is >> >> > working fine. My problem is with HP HD 2300 webcam. >> >> > >> >> > Let me know if can help investigate! >> >> > >> >> > Cheers, >> >> > >> >> > Michaël >> >> >> >> >> >> >> >> -- >> >> Ricardo Ribalda >> >> >> >> -- >> Ricardo Ribalda -- Ricardo Ribalda
