On Wed, 15 Jul 2020, Samuel Sieb wrote:
So it is getting recognized and added.
Try "sudo dnf install uvcdynctrl", it might already be installed. Then run
"uvcdynctrl -l" and see what you get.
It wasn't installed, I get:
>uvcdynctrl -l
Listing available devices:
video0 Laptop_Integrated_Webcam_HD: In
Media controller device: /dev/media0
Entity 1: Laptop_Integrated_Webcam_HD: In. Type: 65537, Revision: 0, Flags: 1, Group-id: 0, Pads: 1, Links: 0
Device node
Entity: 1, Pad 0, Flags: 1
video2 IPEVO VZ-X: IPEVO VZ-X
Media controller device /dev/media2 doesn't exist
ERROR: Unable to list device entities: Invalid device or device cannot be opened. (Code: 5)
video1 Laptop_Integrated_Webcam_HD: In
Media controller device: /dev/media1
Entity 1: IPEVO VZ-X: IPEVO VZ-X. Type: 65537, Revision: 0, Flags: 1, Group-id: 0, Pads: 1, Links: 0
Device node
Entity: 1, Pad 0, Flags: 1
video3 IPEVO VZ-X: IPEVO VZ-X
Media controller device /dev/media3 doesn't exist
ERROR: Unable to list device entities: Invalid device or device cannot be opened. (Code: 5)
Quite scaring all those errors it gets.
Have you tried other USB ports? Do you have a USB hub you could try?
Maybe a different USB cable as well.
Yes, still the same behavior: sometimes it is recognized, sometimes it is
not. Never show up in the usable devices. One more thing I noticed is
that once it is recognized if I run multiple times the lsusb command it
shows up with different device number. E.g.,
>lsusb | grep IPEVO
Bus 003 Device 016: ID 1778:d120 IPEVO Inc. IPEVO VZ-X
>lsusb | grep IPEVO
Bus 003 Device 019: ID 1778:d120 IPEVO Inc. IPEVO VZ-X
And sometimes doesn't show up in the list.
If you check the logs, I expect you'll find that it has disconnected and
reconnected.
It makes sense. I also noticed that it is just slow to send its data and when
it is not recognized it is just a matter of time.
Can you try it on a different computer? I'm wondering if there is actually
a hardware problem with the device.
I've tried it on Windows (on a different machine) and it works without
problems. So if there is an hw problem this is in connection to my laptop and
not in general.
Walter
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