![]() ![]() With Mojave on the horizon, with its much stronger security, I was beginning to worry if Apple could maintain both the high level of system security in Mojave and the stability of the D300 GPUs. My joyful experience that started with Sierra was kaput.įortunately, High Sierra 10.13.6 solved those problems and I returned to uptimes as long as 30 days. But things broke loose in 10.13.5 in June of 2018 when I not only got graphics lockups several times a day, but also experienced frequent kernel panics. I started avoiding the screensaver and simply relied on Apple Menu > Lock Screen. Random Lockups Still Plague macOS Sierra and High Sierra El Capitan was the current OS, and we Mac Pro owners were pretty much helpless. But a lingering, well-known problem with the screensaver app persisted. In High Sierra, graphics lockups were generally a thing of the past. I wrote: “ 2013 Mac Pro GPU Freezes Appear to be Fixed by macOS Sierra.” With Sierra, I was getting uptimes of several weeks. “ 2013 Mac Pro Freezes Continue – Owners Have Little Recourse – Apple is Helpless.”īy November of 2016, macOS Sierra has shipped. Sadly, that wasn’t the case with Yosemite and El Capitan. In Unix palance, “Uptime” was great, and the only time a UNIX OS should have to be rebooted is when the system is updated. Everything was perfect in terms of OS stability. As a refresher, my 2013 Mac Pro shipped with macOS Mavericks.
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