![]() ![]() So if your code takes too long or hangs, you see the SPOD. In other words, the run loop has to be entered often enough to stop the system automatically showing the SPOD - a bit like how a watchdog works in embedded systems. The fan is constantly running and has high noise. ![]() Common symptoms include: Apps are slow to open or keeps freezing. It's not an indication of a crash, it's an indication that the main run loop has been executing user code for longer than a preset interval. We are all excited about the new macOS and hit the update button, only to find our Mac experiencing performance issues such as the machine runs slow after updating to macOS Monterey. I dont think this is normal and it seems to be depleting the battery.Information :MacBook Pro Mac OS X (10.6.3). It wont stop even after all of the mail is loaded or the web page is displayed. ![]() But a lot of people misunderstand what it is. The cog wheel next to the signal strength indicator spins constantly when online or in any mail account. Mac OS X introduced the "spinning pizza of death", I think inherited from NeXTSTEP. Later versions of the classic Mac added colour cursors, but no standard support for animation (though there was a standard resource type for a series of cursor animation frames, just nothing as standard that understood it - rather odd really, I'm guessing that was a MacApp (Apple's Application framework) thing). Animated cursors were something you had to write the code for yourself if you wanted them - involving messy and tricky vertical refresh interrupt handlers if I recall correctly. The original Mac didn't have a spinning anything. ![]()
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