On 1/6/20 12:14 PM, S.Bob wrote:
On 1/6/20 2:29 AM, Samuel Sieb wrote:
On 1/5/20 2:19 PM, S.Bob wrote:
When I plug an external monitor into the USB-C port I usually see something like this via dmesg:
Is this a USB display device or is it a thunderbolt/displayport over USB-C device? Searching on the USB id suggests that it's probably the latter.
Not sure, how can I tell? If it's the latter do I need any added packages for it to work?
Do you have a link to the device? I'm a little fuzzy on how these things work, but I believe that there has to be support by the graphics card and driver to route the video output through the port.
I do not, see my journalctl output below
[100335.446405] usb 1-3: new high-speed USB device number 11 using xhci_hcd
[100335.919043] usb 1-3: New USB device found, idVendor=2109, idProduct=0100, bcdDevice= 6.03
[100335.919046] usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[100335.919048] usb 1-3: Product: USB-C dongle
[100335.919050] usb 1-3: Manufacturer: VIA Technologies Inc.
[100335.919051] usb 1-3: SerialNumber: 0000000000000001
[100340.101375] usb usb2-port3: Cannot enable. Maybe the USB cable is bad?
[100344.156355] usb usb2-port4: Cannot enable. Maybe the USB cable is bad?
$ lsusb
Bus 002 Device 003: ID 04e8:61f3 Samsung Electronics Co., Ltd Portable SSD T3 (MU-PT250B, MU-PT500B)
Bus 002 Device 002: ID 2109:0715 VIA Labs, Inc. VectoTech
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 004: ID 04f2:b64a Chicony Electronics Co., Ltd USB2.0 VGA UVC WebCam
Bus 001 Device 028: ID 1038:120a SteelSeries ApS
Bus 001 Device 027: ID 05e3:0608 Genesys Logic, Inc. Hub
Bus 001 Device 026: ID 047d:1020 Kensington Expert Mouse Trackball
Bus 001 Device 025: ID 2109:2813 VIA Labs, Inc.
Bus 001 Device 024: ID 2109:2813 VIA Labs, Inc.
Bus 001 Device 023: ID 0bda:5411 Realtek Semiconductor Corp. 4-Port USB 2.0 Hub
Bus 001 Device 002: ID 0bda:0129 Realtek Semiconductor Corp. RTS5129 Card Reader Controller
Bus 001 Device 006: ID 8087:0aaa Intel Corp.
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
I don't see the device that was mentioned in the original logs you posted. It should be "ID 2109:0100". Can you run "journalct -fa" as root in a terminal, plug the device in, and copy the resulting logs?
# journalctl -fa
Jan 06 14:36:24 Fedora31Host kernel: usb
1-3: new high-speed USB device number 41 using xhci_hcd
Jan 06 14:36:24 Fedora31Host kernel: usb 1-3: New USB device
found, idVendor=2109, idProduct=0100, bcdDevice= 3.00
Jan 06 14:36:24 Fedora31Host kernel: usb 1-3: New USB device
strings: Mfr=1, Product=2, SerialNumber=3
Jan 06 14:36:24 Fedora31Host kernel: usb 1-3: Product: USB-C
dongle
Jan 06 14:36:24 Fedora31Host kernel: usb 1-3: Manufacturer: VIA
Technologies Inc.
Jan 06 14:36:24 Fedora31Host kernel: usb 1-3: SerialNumber:
0000000000000001
Jan 06 14:36:25 Fedora31Host baloo_file[1437]: UdevQt: unhandled
device action "bind"
Jan 06 14:36:25 Fedora31Host org_kde_powerdevil[1490]: UdevQt:
unhandled device action "bind"
Jan 06 14:36:25 Fedora31Host plasmashell[1431]: UdevQt:
unhandled device action "bind"
Jan 06 14:36:26 Fedora31Host kernel: usb usb2-port3: Cannot
enable. Maybe the USB cable is bad?
Jan 06 14:36:30 Fedora31Host kernel: usb usb2-port4: Cannot
enable. Maybe the USB cable is bad?
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