On Sat, 2020-11-07 at 17:23 +0100, Gregor Hlawacek wrote: > On Thu, 2020-11-05 at 11:19 +0200, Laurent Pinchart wrote: > > Hi Gregor, > > > > On Thu, Nov 05, 2020 at 08:41:27AM +0100, Gregor Hlawacek wrote: > > > > [snip] > > > > > Hi Mauro and Laurent > > > > > > @Mauro: > > > > > > I think there is a confusion, which might be my fault as I talked > > > about > > > a chicony cam in the external monitor. The chicony cam that shows > > > up as > > > video0/1 is my internal laptop camera which is working fine. The > > > problematic one is the sunplusIT camera which has a chicony usb > > > identifier (0412). This is connected to video2-5 and also the one > > > for > > > which I reported the above information. > > > > > > @Laurent: > > > > > > lsusb -v -d 0412:612b: > > > > [snip] > > > > Thank for the information. Nothing strikes me as weird. Could you > > > > - Set the uvcvideo trace parameter to 0xffff: > > > > sudo echo 0xffff > /sys/module/uvcvideo/parameters/trace > > > > - Unplug and replug the monitor > > - Open the video devices in turn with v4l2-ctl (use the video > > device > > nodes /dev/video* directly, not the by-id links) > > - Send send the output of 'sudo dmesg' > > > > You can clear the kernel log with 'sudo dmesg -c' before doing so > > to > > avoid including unrelated data (or just strip it from the dmesg > > output > > manually when copying it to an e-mail). > > > > Hi Laurent > > sorry for the delay but I had to many other things going on during > the > end of this week. Here is the output attached. > > Have a nice weekend > > Gregor > Hi Laurent and Mauro could you make any sense out of the dmesg log and the other input I've provided? Gregor
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