![]() If anyone is seeing this in their environment, and has AppleCare, please open a case and reference the one above. We have opened a case with AppleCare Enterprise on this issue (100105893834). I've examined the pkg and there most definitely are updated graphics drivers in the update. ![]() Suspect there are bugs in the updated graphics drivers in SecUpd2016-003. ![]() Kernel: stalling for detach from IntelAcceleratorĪlso see discussion of it here (since many other people are reporting/experiencing this, I do not believe it to be anything specific to our environment): WindowServer: common_reenable_update: UI updates were finally reenabled by application "SystemUIServer" after 4.22 seconds (server forcibly re-enabled them after 3.88 seconds WindowServer: disable_update_timeout: UI updates were forcibly disabled by application "SystemUIServer" for over 1.00 seconds. WindowServer: send_datagram_available_ping: pid 2024 failed to act on a ping it dequeued before timing out. Watchdogd: - spindump gathered for () at (/Library/Logs/DiagnosticReports/WindowServer_-152435_erspace_watchdog_timeout.spin) : Removing excessive log: file:///Library/Logs/DiagnosticReports/WindowServer_-112659_erspace_watchdog_timeout.spin Spindump: Saved userspace_watchdog_timeout.spin report for WindowServer version ? (?) to /Library/Logs/DiagnosticReports/WindowServer_-152435_erspace_watchdog_timeout.spin Watchdogd: - service () reported as unresponsive The issue causes GUI freezes and system lags until the Mac is restarted.Ī) the user will be using the system, and the GUI will appear to "freeze" for some period of time (mouse will still move, but nothing appears to respond to mouse or keyboard input)ī) eventually, the system will "catch up" and all queued UI actions (window drag/close, etc.) will happen at onceĬ) system will still appear to lag intermittently until it's restarted - only fix I've found so far (uninstalled AV/all third-party kexts/LaunchAgents/LaunchDaemons, cleared caches, etc, no change in behavior)ĭ) you'll find WindowServer userspace_watchdog_timeout.spin logs in /Library/Logs/DiagnosticReports. The issue is with WindowServer going "out to lunch" after some period of uptime. Now it is useless since it cannot do even simple calculations in a reasonable amount of time.We, and several others, are seeing major performance issues on El Capitan 10.11.6 after installing Security Update 2016-003 (OS build 15G1212). I have not made any changes or updates lately and it started acting this way. The most puzzling think is that Mathematica used to run fine, even with complex calculations. If I abort a second time (even though as far as I can tell from the Mathematica window no calculation is running), then the MathKernel process will disappear. I also noticed that if I abort the calculation, MathKernel sometimes remains there, still taking above 99% of the CPU. I checked the CPU usage and I see that even when I ask trivial calculations, the MathKernel process shoots up above 99% of CPU usage. If the calculation is trivial I eventually get the answer but after more than a minute of work, even to find 8x9. Even for the simplest calculations (I mean trivial stuff, like 8 times 9). Then recently, it started to be extremely slow. I used to have no problems using Mathematica. I am running Mathematica 9.0.1.0 on a MacBook with OS X El Capitan, version 10.11.6.
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