Still on Mojave. Longest I've ever waited to upgrade the OS. Will probably just skip Catalina altogether.
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A sizeable number of Mac users are experiencing occasional system crashes after updating to macOS Catalina version 10.15.4, released a few weeks ago.
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The crashing issue appears to be most prominent when users attempt to make large file transfers. In a forum post, SoftRAID described the issue as a bug and said that it is working with Apple engineers on a fix for macOS 10.15.5, or a workaround.
SoftRAID said the issue extends to Apple-formatted disks:Other users on macOS 10.15.4 have experienced crashes after waking their Mac from sleep, with affected systems suffering a kernel panic and rebooting to the Apple logo, according to comments shared on the Apple Support Communities, MacRumors Forums, Reddit, and Twitter.
After updating to macOS 10.15.4, users may also experience continuous spinning up and spinning down of connected hard drives when a Mac is supposed to be asleep, which could result in damage to the drive, according to Jeremy Horwitz.
We've reached out to Apple for comment and we will provide an update if we hear back.
Article Link: Some Users Experiencing System Crashes on macOS 10.15.4, Especially During Large File Transfers
Used to happen to me from time to time, it resolves if you unplug the power cable until the process terminates by itself. Then plug it again. But to be honest its been a while since the last time.It’s happened to me once or twice.
Usually I wake to find the computer running very slowly with kernel_task taking up something like 300-800% CPU. The computer says it’s at 1% battery and will not charge when plugged in. Restarting does not help, you need to to truly shut down and then reboot and luckily that’s all that has been needed thus far to solve these panics.
Still on Mojave. Longest I've ever waited to upgrade the OS. Will probably just skip Catalina altogether.
Its this stuff that makes me wish they would go back to the 1.5+ year OS cycle. I know they are stuck because they like to do them all at once - but the pressure to put features into each build causes issues. Imagine 1.5-2 years of rock solid Majave development and fixes, then come out with Catalina, and have time to perfect it.
Yesterday I did something I haven't done in 15 years of using macOS, having used every major release and patch release. I've downgraded my MBA '13 to Mojave. It became unusable with Catalina. The process sucks, I'm still reinstalling and configuring stuff but I guess it's worth it. Since 10.15.4 it couldn't even wakeup without crashing, last week I got a full system freeze when I was just editing a document and this weekend I had a kernel panic. SSD is fine, I've ran memtest for hours, there nothing wrong with this Macbook. I've been running 10.15 since it came out and it's by far the worst macOS release ever. Lion and Yosemite were heaven compared to Catalina.
Still on Mojave. Longest I've ever waited to upgrade the OS. Will probably just skip Catalina altogether.
In my opinion and has always been the best OS X ever.
I some times have to work with some old Macs/Books that are still running this. It is so fast and responsive that it makes you want to cry...and that's on old Core2s and stuff. It's a shame macOS has become so bloated.
Snow Leopard wasn't always perfect, though. It had a lot of issues during its .0-.4 (or even .5) version eras. Even 10.6.8 v1.1 had its own quirks.
I assumed waking from sleep at the Apple logo was a result of the VPN client or FileVault...good to know!