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jlauer

Synergy 2 multiple monitors - one screen border only works in one direction

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jlauer

I have 2 laptops, each with one external monitor above it, so it looks like a 2x2 grid, where the left 2 squares are Computer A, and the right 2 squares are Computer B. Computer B is the host.

For this post, I will refer to each screen as "A:Top" or "B:Bot", like so:

|-------|-------|
| A:Top | B:Top |
|-------|-------|
__________________
|-------|-------|
| A:Bot | B:Bot |
|-------|-------|

I have successfully connected using both Synergy 1 and 2, but with both, I have this weird problem. I cannot make my mouse go directly from B:Bot -> A:Bot. I can, however, go from B:Top -> A:Top, and from A:Top -> B:Bot. In other words, I can go in a continuous counter-clockwise circle around the entire system, but if I go clockwise, my cursor will get stuck on the leftmost edge of B:Bot.

What's the deal? Is this fixable?

 

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jlauer
Posted (edited)

Note - I tried to upload logs for a support request but it wouldn't work.

Edited by jlauer
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mgee

I have the exact same problem as describe by @jlauer.

Exact same setup. Is there perhaps some tweak we can do in the setup file to fix this?

I am currently on version 1.12 (Pro), to which I upgrade just now to see if the problem would go away, but it didn't. Had the same problem in version 1.10.2.

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mgee

I have the exact same problem as describe by @jlauer.

Exact same setup. Is there perhaps some tweak we can do in the setup file to fix this?

I am currently on version 1.12 (Pro), to which I upgrade just now to see if the problem would go away, but it didn't. Had the same problem in version 1.10.2.

 

I have monitor A:Top aligned at the right edge with A:Bot. My A:top is 1600 px wide, and my A:Bot is 1920 wide.
If I enable logging in "debug2" mode, I see this when I try to move from A:Top to B:Top:

DEBUG2: event: MotionNotify 1918,681

Ie, I'm stuck at position 1918 and am unable to reach 1920. So, I guess it might be my wind manager that aligns the screen incorrectly. If I use the "arandr" program, and save my layout, I get this:

xrandr --output eDP-1 --mode 1920x1080 --pos 0x1200 --rotate normal --output DP-1 --off --output HDMI-1 --off --output DP-2 --off --output DP-2-1 --off --output DP-2-2 --off --output DP-2-3 --primary --mode 1600x1200 --pos 319x0 --rotate normal --output DP-2-19 --off --output DP-2-81 --off --output DP-2-0 --off --output DP-2-207 --off --output DP-1-1 --off --output DP-1-2 --off --output DP-1-3 --off

So, the pos 319 there probably comes from a rounding error or something? In fact, if I copy the line above, and replace the --pos argument with 320x0 (ie. increasing by 1 so it should match 1600+320=1920 in my case), synergy starts to behave as wanted. Yay!

Maybe it would be nice to allow for some "border" in synergy, ie. a user configurable size at each edge for which the pointer would be teleported to the neighboring screen?

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KDE_Fan

I had the same setup as the  OP when running ubuntu 16.04 (server) & ubuntu 18.04 (client).  The primary for both was the left monitor.  I was able to move the mouse w/o any issue anywhere - there were no dead spots.  I think I had to set up the dead corners and corner size.  But I seem to recall entering 3840 x 1080 somewhere to get it to work - IDK if it was in the synergy config or the linux config. 

I'm trying to do the same thing but I have the monitors arrainged vertically in a 2x2 - Server= Left   Client= Right     Primariy monitors are the top monitors. 

I'm also noticing my applications locking up for 5-30 seconds since I installed this.  When I use libre office, graphics editors & many other apps, it is just slow as hell.

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