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Old 06-10-2021, 01:25 AM   #1
danhsiu
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Default Sluggish Vertical Display Performance

I'm using my 2018 15" MBP (Big Sur 11.4) with a D6000 Dell dock to drive two 144hz 1440p monitors. When I turn one vertical, the cursor (and any application present on the vertical screen) feels sluggish over time. Could this be due to a memory leak?

Restarting the displaylink driver helps remove the laggy performance only momentarily on the vertical screen. There is no lagg if I have both screens horizontal.
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Old 06-10-2021, 12:20 PM   #2
rboerner
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Quote:
Originally Posted by danhsiu View Post
I'm using my 2018 15" MBP (Big Sur 11.4) with a D6000 Dell dock to drive two 144hz 1440p monitors. When I turn one vertical, the cursor (and any application present on the vertical screen) feels sluggish over time. Could this be due to a memory leak?

Restarting the displaylink driver helps remove the laggy performance only momentarily on the vertical screen. There is no lagg if I have both screens horizontal.
Do you have the latest version of the macOS driver (version 1.4.0) installed? --> https://www.displaylink.com/downloads/macos

I ask because the release notes --> https://s3.eu-west-1.amazonaws.com/a...ease+Notes.txt

indicate that one of the items improved with this rotation performance:

"C.3 Changes in 1.4.0 release
----------------------------
- Improved rotated-screen performance (32926)"
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Old 06-10-2021, 07:35 PM   #3
danhsiu
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Quote:
Originally Posted by rboerner View Post
Do you have the latest version of the macOS driver (version 1.4.0) installed? --> https://www.displaylink.com/downloads/macos

I ask because the release notes --> https://s3.eu-west-1.amazonaws.com/a...ease+Notes.txt

indicate that one of the items improved with this rotation performance:

"C.3 Changes in 1.4.0 release
----------------------------
- Improved rotated-screen performance (32926)"

Yes. I do have displaylink manager v1.4.0 installed.
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Old 06-11-2021, 04:35 AM   #4
danhsiu
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I haven't encountered the lagg I've reported since re-installing... Strange

WIll repost a reply if I encounter it again.

Edit: Still encountering!

Last edited by danhsiu; 06-11-2021 at 03:39 PM. Reason: Still encountering
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Old 06-17-2021, 04:37 PM   #5
zmanc
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Join Date: Jun 2021
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Default Sluggish then freezing

After updating to 1.4 on BigSur 11.3 i've noticed that I am starting to get times where my vertical screen freezes.

In order to resolve it I have to kill the DisplayLink manager and restart it.
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