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February 18th, 2021, 03:40 #1
Repeatable Crash Condition (multiple video cards)
I have 5 monitors (+ occulus rift) so I handle this with 2 video cards. My GTX 1060 has two monitors plus the rift hooked up to it, and then I have a GTX 660 that the other three monitors are connected to. I tend to span my DM client across two monitors and since I started using FGU I found that it doesn't take long for the monitors attached to the GTX 660 to lock up and then immediately after my whole PC locks up. Updated my drivers right away. Then I thought maybe my old GTX 660 is finally shooting craps, but noticed it *only* happens with FGU spanning two monitors (and a different card happens to be handling each monitor). I adjusted my monitor arrangement so that the monitors I'm spanning are on the same card now, and the problem disappeared.
I'm not sure if it's even preventable--maybe a limitation of Unity or something. Anyway, making sure I'm spanning monitors connected to the same video card fixed the problem."We all take our risks, here in the dungeon." --Bargle
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February 18th, 2021, 05:07 #2
Supreme Deity
- Join Date
- Mar 2007
- Posts
- 20,540
We don't do anything at the hardware or monitor splitting level. We just work within the abstractions given to us through the Unity game engine (i.e. how big is the window, what frame rate to use, etc.)
Since it locks up monitors and the computer, it sounds more like a driver issue when a certain type of program window spans multiple cards. It might be tied to how the Unity engine attempts to use the cards; but it's well below the level we have any control of.
Regards,
JPG
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February 24th, 2021, 19:38 #3
Makes sense. I think having 5 monitors across 2 video cards is an uncommon scenario. I can state confidently that making sure the monitors you span are on the same video card resolved the lock up though.
"We all take our risks, here in the dungeon." --Bargle
Watch For Falling Meteors (Twitch.tv) Wednesday @ 7:00 PM Mountain - 5E World of Mystara
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Watch for Falling Meteors (YouTube Playlist)
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February 24th, 2021, 20:03 #4
You might need to use SLA for a single application to work across two or more video outputs.
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February 24th, 2021, 20:51 #5
SLA requires two of the same video card, right? Because the second card is just an old spare I had lying around.
"We all take our risks, here in the dungeon." --Bargle
Watch For Falling Meteors (Twitch.tv) Wednesday @ 7:00 PM Mountain - 5E World of Mystara
Ultimate License DM
Watch for Falling Meteors (YouTube Playlist)
Xorn's 5E @ FG Tutorials (YouTube Playlist)
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February 25th, 2021, 00:34 #6
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February 25th, 2021, 20:31 #7
Yeah definitely not worth it in my case, my top 2 screens are just for messenger, discord, obs, and vlc (for background music).
"We all take our risks, here in the dungeon." --Bargle
Watch For Falling Meteors (Twitch.tv) Wednesday @ 7:00 PM Mountain - 5E World of Mystara
Ultimate License DM
Watch for Falling Meteors (YouTube Playlist)
Xorn's 5E @ FG Tutorials (YouTube Playlist)
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