Extremely slow boot time after upgrade

fakeyspinach

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Sep 1, 2020
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Hi all,
I wonder if someone can give me some clue on this.
So usually it took me <20 seconds to boot in Big Sur.
I've upgraded to Monterey today and suddenly after the upgrade it takes more than 2 minutes.

  1. Observing with eyes it mostly hang around somewhere like launchd- doing boot task : boot-root
  2. I've tried different Trim timeouts but this doesn't seems to change anything.

Any help would be much appreciated.
 

ryuken88

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Jun 22, 2020
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Could be incompatible kexts. When I used the IntelBluetoothInjector.kext it caused the boot time to be about 5 minutes and a bunch of other things became broken.
 

grad1e

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Jan 8, 2021
Messages
22
Your bluetooth might be causing it. Check this
 

Aluveitie

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Could also be the faulty TRIM implementation of Samsung NVMe SSDs.
 

RyzeCooker

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May 3, 2020
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"...faulty TRIM implementation" rather 'conflicting' TRIM implementation right? That said, I boot from a Samsung 980 and it's about 1 minute from picker to login screen in my case. No huge delays I can tell - though Monterey is a lot more chatty on verbose mode. A lot of messages.
 

Aluveitie

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I don’t know the exact issue, just that Samsung SSDs need 1-2 minutes to TRIM while other drives take 2-3 seconds.

 

RyzeCooker

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Seem to have lucked out with my 980 then!
 
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