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Level 1

27 points

Mac crashes frequently after Big Sur upgrade

Several days after I upgraded my iMac Pro 27" 2017 (3GHz 10-Core 64 RAM) to Big Sur, (11.0.1) it started crashing frequently (once or twice a day). It's not just one application; the whole computer crashes and restarts. It seems to happen at a random time; I cannot pinpoint any particular application or action that seems to trigger it.

I'm wondering if other users of iMac Pro are experiencing similar problems or if it's just me. Can anyone think of a reason that this is happening? Before Big Sur, the iMac Pro never used to crash at all, but now it's happening daily.

L.M.

iMac Pro

Posted on Nov 22, 2020 9:10 PM

Best reply

Lyn Murdock Author

Level 1

27 points

Posted on Dec 30, 2020 12:55 AM

With the help of two senior Apple advisors, I narrowed the cause of original crashes down to some corruption in the System Library folder (not User Library folder) and its incompatibility with Firefox. I was getting ready for clean install in order to wipe the System Library folder clean and solve the problem.

Then Big Sur 11.1 came along, and I upgraded to it. Since the upgrade more than two weeks ago, it has not crashed once. So I assume the upgrade to 11.1 overwrote whatever corrupt file I had in my System Library folder and thereby solved the problem.

I realize that this is not the cause of other people's problems with frequent crashes after upgrade to Big Sur, because some report that clean install did not solve the problem and others report never using Firefox to begin with. So this is just a solution to MY particular problem of frequent crashes after Big Sur. I hope at least some other people experiencing the problem can solve it by upgrading to 11.1.

L.M.

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101 replies

Feb 15, 2021 5:04 PM in response to Ash_Smith

Bump, anyone..??

Feb 15, 2021 5:17 PM in response to Ash_Smith

For a me a fresh install worked, wiping out the drives and starting it from clean. After completing the new install of Big Sur Avoid any updates for now.

Feb 27, 2021 11:19 PM in response to yvonnemj

Yup the best thing that can be done is a clean restore, by wiping ur data and reinstalling ur OS. It worked for me.

Mar 22, 2021 11:42 PM in response to Ash_Smith

Anybody still facing issues?

No crashes anymore but general sluggishness, which is not normal at all for an iMac like that.

So annoying.

mqsasia

Level 1

15 points

Apr 13, 2021 12:08 AM in response to Ash_Smith

try rolling back to Catalina, that is what I've done, so far so good

Jun 2, 2021 10:36 AM in response to Lyn Murdock

I am having the same issue, but I do NOT have Firefox installed on my 27" iMac.

Dancala

Level 1

13 points

Jun 23, 2021 4:11 PM in response to Lyn Murdock

Same problem! MacBook Air (Retina, 13-inch, 2020) SO Big Sur 11.4, crash while on standby almost every day..

Jun 30, 2021 3:24 PM in response to Lyn Murdock

Using a 2020 Intel MacBook Pro on Big Sur 11.4, and this is happening to me. Glad to know it's not specific to my hardware, as I was worried I had bought a defective model.

mqsasia

Level 1

15 points

Aug 1, 2021 5:09 PM in response to xXp0larisXx

That’s not good, try installing the previous OS (not BS)

Aug 1, 2021 5:11 PM in response to mqsasia

I have A bootable Catalina usb drive ready to go as a last, last resort.

Aug 2, 2021 2:57 PM in response to xXp0larisXx

Correction (because macOS...), the temp monitoring/logging command will only run as long as the terminal window you started it in is left open.

Mac crashes frequently after Big Sur upgrade