arbtt
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nomeata
arbtt-capture.desktop[PID]: Xlib: extension "MIT-SCREEN-SAVER" missing on display ":0".
My journal gets spammed with that entry every 30 secondes (time I set the sample rate). Kinda drive me crazy.
I don’t have that. Are you using wayland? Or is anything possibly ~odd~ different about your setup? What’s your distribution and desktop system?
Oh yeah, sorry, I forgot to add basic information.
Ubuntu 21.10 Gnome 40.4.0 Wayland arbtt 0.10.2-0.2build1.1 from APT
Yes, Wayland. Wayland tends to break a lot of things.
Ok, thanks. I guess someone (you?) can try to find out if there is a way to probe extensions before using them that does not print the warning.
Sorry, I am just a beggar with no programming skill other than web related stuff. I don't even understand what's a screensaver thing is doing here. I found an funny bit while searching, from what appears to be xscreensaver's manpage:
The MIT-SCREEN-SAVER extension is junk. Don't use it. [...] It sure would be nice if someone would implement the SGI SCREEN_SAVER extension in XFree86; it's dead simple, and works far better than the overengineered and broken MIT-SCREEN-SAVER extension.
Heh, the author of xscreensaver tends to have very explicit opinions about many things (not necessarily a bad thing).
arbtt uses this interface to find out how long the user has been idle.
Guess we'll have to wait until someone is itched by this enough to scratch it.
As a work around you could wrap arbtt-capture in a shell script with | grep -v MIT-SCREEN-SAVER to filter out these messages.
Does it otherwise work fine with Wayland?
No, the log keeps getting corrupted like in https://github.com/nomeata/arbtt/issues/148#issuecomment-1033001806. I get a ton of
Failed to read value at position 1461465: Unsupported TimeLogEntry version tag 0 CallStack (from HasCallStack): error, called at src/Data.hs:90:15 in main:Data
I have to use arbtt-recover for it to work again. I log my game times so I rarely check arbtt and let it runs in the background like it doesn't exist. I must have checked twice and it was corrupted. It's a minor hindrance in the end. No idea why it does that. I thought, maybe this is related to this MIT-SCREEN-SAVER thing.
No, these corruptions occur if it couldn't finish writing the log, I believe, and are not related to Wayland (I think). Youthful sin of mine… but the recovery process should give you back almost all data just fine.
I have so far ignored wayland (and reading blog posts like https://anarc.at/software/desktop/wayland/ sounds like I better still wait for a few years until it is a seamless transition), so I am not sure. But maybe someone who knows wayland can contribute patches?
so far so good
15:19 - 3 min(s) - IDLE
15:22 - 6 min(s) - arbtt-capture.desktop[PID]: Xlib: extension "MIT-SCREEN-SAVER" missing on display ":0". · Issue #153 · nomeata/arbtt Mozilla Firefox
15:28 - 35 min(s) - IDLE
I have so far ignored wayland (and reading blog posts like https://anarc.at/software/desktop/wayland/ sounds like I better still wait for a few years until it is a seamless transition), so I am not sure
author here: kind of sorry my post comes out that way! switching to wayland is not only worth it, it's kind of become mandatory. i explain "why switch" at the top of the article, and i was hoping that would be sufficient to convert people over, but it seems like my convoluted setup scared the living hell out of anyone who reads that piece. :p
point is: i did it, it's done, and it works. before i migrated to wayland, xorg would just crash randomly, so it's a huge win for me, and i encourage you to give it a shot. :)
so far so good
15:19 - 3 min(s) - IDLE 15:22 - 6 min(s) - arbtt-capture.desktop[PID]: Xlib: extension "MIT-SCREEN-SAVER" missing on display ":0". · Issue #153 · nomeata/arbtt Mozilla Firefox 15:28 - 35 min(s) - IDLE
Are you saying that arbtt works fine on Wayland out of the box?
Thanks and sorry for the misrepresentation!
hey don't worry about it :) i'm quite rant-y on good day, so it's normal it transpires as "wayland is crap" :)
so far so good
15:19 - 3 min(s) - IDLE 15:22 - 6 min(s) - arbtt-capture.desktop[PID]: Xlib: extension "MIT-SCREEN-SAVER" missing on display ":0". · Issue #153 · nomeata/arbtt Mozilla Firefox 15:28 - 35 min(s) - IDLEAre you saying that arbtt works fine on Wayland out of the box?
for over half year, I am using wayland and no problems so far