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10.16.10 Bug - Waking causes crash?

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12 Oct 2023 18:24 #127452 by enno
Is it just me, or is 10.16.10 crashing when waking the system from sleep?
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12 Oct 2023 22:10 #127453 by joema
It's crashing in the ACD module, which is a private framework within the FCP package. I don't know what that is, but there are functions within ACD referring to graphics and display. Are you running a multi-monitor system? Were you running FCP on multiple monitors? Do you have any outboard video hardware? 

The module before that was Skylight, a private MacOS framework. It is essentially the successor to the Quartz Core (aka CoreGraphics) framework. It manages lower-level graphics tasks, windowing services, and handling of input events. It also apparently handles display management, maybe multiple display configurations.

The problem might be related to some graphics, windowing, or event handling operation. Since the scenario happens post-sleep, it's plausible that something related to display reconfiguration, window management, or hardware reinitialization might be triggering an issue within SkyLight, which then propagates to the ACD module leading to the crash.

If you are running multiple monitors, from a troubleshooting standpoint, use only one. If any outboard video hardware is used (converters, junction boxes, etc), temporarily try plugging directly into the Mac without any other converters. 

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