#1 2023-02-23 07:13:53

Peregrino69

Member

Registered: 2016-03-11

Posts: 99

[SOLVED] How to make a bug report on RandR misbehavior?

Hi guys

I've connected 2 external screens to my laptop (Beryllium up-to-date). Here's the physical layout:

DP-4 = laptop 17"
HDMI0 = Ext 24" HDMI
DP-0 = Ext 23" DisplayPort

All screens are 1920x1080.

The system defaults to using DP-0 as primary screen on bootup, but I tend to always have something fullscreened in it so normally I switch to HDMI or DP-4 as primary. As tri-screen is not always needed or wanted, I often use just the external screens thus:

The problem is that whichever combination I set, if I open jgmenu on the HDMI screen this happens:

On DP-0 it opens on the top part of the screen:

It never opens below the horizontal line. On the laptop screen it doesn't show up at all:

This happened first time with the tri-screen layout. I switched to dual, issue disappeared, and it didn't return when I switched back to tri-screen so I wrote it off as "glitches happen". However now it's persistent regardless of how I configure the layout, what's the primary screen, whether or not DP-0 is rotated... if I switch both externals off, the laptop screen behaves the same way as HDMI screen.

Restarting compositing or OpenBox does nothing, reboot does nothing, shutdown / restart does nothing... I'm baffled. I find nothing on the interwebs, probably due to knot nowing what to look for.

Any suggestions?

EDIT

... and now after I've been working for a couple of hours with the tri-screen layout, the problem's gone again. However I'd be very interested if anyone has any ideas what could be causing this kind of behavior.

EDIT2

A couple of days later: the thing comes and goes. Yesterday everything was fine, today when booting up it's there again, now on dual layout. Driving me nuts! I'd really appreciate any advice on how to start troubleshooting.

EDIT3

As a workaround the screen layout is now this:

Workable, but using mouse - or even worse, trackball which I need - is cumbersome. Lining all 3 screens side-by-side in horizontal position appears to be the obvious solution based on the evidence, but that's simply not possible.

Still would appreciate any hints on where to look.

EDIT4

... and the workaround isn't stable either...

Last edited by Peregrino69 (2023-03-24 15:01:43)

Peregrino69

Member

Registered: 2016-03-11

Posts: 99

Re: [SOLVED] How to make a bug report on RandR misbehavior?

Just bumped into another user in Unix&Linux StackExchange site with similar issue. Looks like this is a pure RandR issue, as the other guy has it on Linux Mint and Intel video chipset.

Can anyone point me to the right direction to make a bug report about this?

Last edited by Peregrino69 (2023-03-20 15:24:51)

johnraff

nullglob

From: Nagoya, Japan

Registered: 2015-09-09

Posts: 12,550

Website

Re: [SOLVED] How to make a bug report on RandR misbehavior?

The package is arandr https://packages.debian.org/bullseye/arandr
Here is the Debian Wiki on how to file bug reports: https://www.debian.org/Bugs/Reporting

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Peregrino69

Member

Registered: 2016-03-11

Posts: 99

Re: [SOLVED] How to make a bug report on RandR misbehavior?

Thanks, @johnraff :-)