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DisplayLink / evdi

Extensible Virtual Display Interface
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Repeated disconnections after a working for a while, only fixable by a reboot #194

Open HerrmannM opened 4 years ago

HerrmannM commented 4 years ago

Initially please make sure the problem hasn't been already addressed:

Some information for baseline would help a lot:

Hi,

I have disconnections issues. The behaviour is the following:

Note that if I do not unplug/replug manually after a disconnection, I still experience brief network disconnections (albeit less frequent), and xrandr sees two screens, even if only the laptop's one is working.

I am not sure what log to provide, but I'll be happy too.

Kind regards, Matt

astromatt42 commented 4 years ago

I am experiencing a similar problem, Linux Mint 19.3, cinnamon, kernel 5.3.0-42, DisplayLink USB Graphics Software for Ubuntu 5.2. Two external monitors suddenly go blank, with the laptop screen still working. The Display menu still shows them as active though. Only solution is to reconnect the USB-C to the docking station (Dell D6000). Only difference, I do not need to reboot, it is just something that happens every few hours.

Regards,

Matt

vdwijngaert commented 4 years ago

Watching this issue, I'm having the exact same problem.

My setup

device

Dell XPS 7390 2-in-1

OS: Arch Linux (kernel 5.6.3-arch1-1) with KDE Plasma gfx: modesetting (xf86-video-vesa) ( xf86-video-intel has issues, apparently) Software

Docking station

Type: Dell D6000

Connections

Also tried with one screen connected, makes no difference as far as I can tell. Also tried with just the screens and ethernet connected. Did not make a difference.

Things I tried:

Notes:

# xrandr --listproviders           
Providers: number : 3
Provider 0: id: 0x47 cap: 0xf, Source Output, Sink Output, Source Offload, Sink Offload crtcs: 3 outputs: 5 associated providers: 2 name:modesetting
Provider 1: id: 0x107 cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting
Provider 2: id: 0xe5 cap: 0x2, Sink Output crtcs: 1 outputs: 1 associated providers: 1 name:modesetting

Links:

Possibly related:

vdwijngaert commented 4 years ago

Okay... I stopped having issues for over three weeks now. I'm not entirely sure, but issues seems to have stopped after I stopped setting up one of the external monitors as the primary screen. If someone's interested, I might test further.

Maybe the issue occurs when my laptop screen is dimmed or even turned off after a few minutes of inactivity, and something goes wrong because my external monitor was set as the primary screen? Not sure.

I've had the issue once or twice in the past few weeks, but that seemed to primarily happen when there was a lot of activity on my screen, so maybe the displaylink service couldn't handle it.

displaylink-emajewsk commented 3 years ago

Is anyone still experiencing this particular issue?

HerrmannM commented 3 years ago

I haven't tested for a while, and I'm currently in lockdown so won't be able to test for a bit (the dock is at work). I'll try when I have the chance!

astromatt42 commented 3 years ago

I find myself in the same situation unfortunately. Dock in the office and I don't have a timeline when I will be going in next. Will also check it when I return.

giomf commented 3 years ago

Having the same issue over here.

Manjaro Linux with 5.12 Kernel evdi 1.9.1-1 displaylink 5.4.1-1

groovyman commented 3 years ago

Just an idea, maybe a energy-safe switch for the USB Connector cause the disconnect, i had a similar problem with W10.-

HerrmannM commented 2 years ago

Hi there,

Back at work, after a few software upgrade (currently on a linux kernel 5.15.7), using the dock without the driver (so limited to one screen). In my current configuration, this issue does not show up anymore.

Cheers, Mat

groovyman commented 2 years ago

If your are using your dock device without the driver, you might use the Alt-DP signal instead. Some 3 display docking stations use displaylink technology to render 2 screens and the AltDP, to bypass the signal from the notebook to the third screen.

I would say, currently you are not using your docking station, cause it bypasses only the singnl from your notebook.

Simply look at the specs of your notebook, if the USB-C has Alt-DP (1.2 or better 1.4) support, you might bought the wrong DockingStation, maybe MST hubs/docks cold be a better and less exprensive solution for you.