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Gigabyte Z490 Vision D (Thunderbolt 3) + i5-10400 + AMD RX 580

CaseySJ

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If 20 seconds is really bothersome, please search Google and try some independent experimentation. For example, you can also install fresh copy of Catalina on a spare SSD and see if the delay occurs there as well. If so, then it's a process of elimination. Try removing components or using different components (if available) to see if you can find a correlation.
 
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@CaseySJ

My typical boot time from the OpenCore picker to Login is now around the ~35 second mark. With my specs, could it be quicker? I added the -v flag to your config.plist to see where it hangs most noticeably and took a picture. Disk3s2 refers to the Apple_APFS partition on my Catalina Backup SSD - this typically hangs for about 8-10 seconds. Can this be remedied?

I've just done a quick experiment - Cloned my 10.15.6 updated install to the Crucial Sata 2.5" SSD and compared boot times.

Adata XPG SX8200 Pro 1TB M.2 - 35 seconds
Crucial BX200 960GB SATA 2.5" SSD - 18.5 seconds

I thought the M.2 boot was a tad slow, but literally half the time on a SATA drive? Got to be something wrong here?
 

CaseySJ

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I've just done a quick experiment - Cloned my 10.15.6 updated install to the Crucial Sata 2.5" SSD and compared boot times.

Adata XPG SX8200 Pro 1TB M.2 - 35 seconds
Crucial BX200 960GB SATA 2.5" SSD - 18.5 seconds

I thought the M.2 boot was a tad slow, but literally half the time on a SATA drive? Got to be something wrong here?
Fascinating! Some questions:
  1. Are these boot times repeatable?
  2. Are these times being measured after selecting macOS from the OpenCore Picker and stopping when the macOS login window appears?
  3. How full is the XPG SX 8200 Pro?
 
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Fascinating! Some questions:
  1. Are these boot times repeatable?
  2. Are these times being measured after selecting macOS from the OpenCore Picker and stopping when the macOS login window appears?
  3. How full is the XPG SX 8200 Pro?

1. I believe so. The ADATA boot time is consistently around 35 secs. I have only booted the SATA drive twice, literally just now. The first time to make sure it booted, and the second time I timed it, as I couldn't believe how quick it booted. I'll give it another go now, just to confirm.

2. Yes. I pressed F12 to choose the EFI located on the Crucial Sata disk, then booted the "MacOS Backup" from Opencore. 18.45 secs to the Login screen. I then restarted, and pressed F12 again to make sure I was booting from the EFI on the main drive (ADATA 1TB) and then chose the "MacOS" drive - booted in 35 secs with the usual 8-10 second hang I showed in my last post.

3. The 8200 Pro has 896GB free - In fact, the backup SSD has 816GB free, so technically has less free space than the ADATA!

Edit:
Yep.

SX8200 Pro - 36.97secs
Crucial SATA - 18.28secs

Used Carbon Copy Cloner and the EFI Clone script - so as far as I can see, the Crucial drive is an EXACT clone. With my GPU issue (x8 instead of x16) I'm wondering if there is a problem with my motherboard, as all my problems seem to be PCIE related!
 
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CaseySJ

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1. I believe so. The ADATA boot time is consistently around 35 secs. I have only booted the SATA drive twice, literally just now. The first time to make sure it booted, and the second time I timed it, as I couldn't believe how quick it booted. I'll give it another go now, just to confirm.

2. Yes. I pressed F12 to choose the EFI located on the Crucial Sata disk, then booted the "MacOS Backup" from Opencore. 18.45 secs to the Login screen. I then restarted, and pressed F12 again to make sure I was booting from the EFI on the main drive (ADATA 1TB) and then chose the "MacOS" drive - booted in 35 secs with the usual 8-10 second hang I showed in my last post.

3. The 8200 Pro has 896GB free - In fact, the backup SSD has 816GB free, so technically has less free space than the ADATA!

Edit:
Yep.

SX8200 Pro - 36.97secs
Crucial SATA - 18.28secs

Used Carbon Copy Cloner and the EFI Clone script - so as far as I can see, the Crucial drive is an EXACT clone. With my GPU issue (x8 instead of x16) I'm wondering if there is a problem with my motherboard, as all my problems seem to be PCIE related!
This would be good test for @crossmoid as well (namely, to clone the disk to SATA SSD or to boot from a SATA SSD backup disk if one exists, and time the startup duration). To determine where those 36.97 seconds are going, can you please boot from the NVMe SSD and type the following in Terminal:
Bash:
log show --last boot | head -2500 > ~/Documents/bootlog.txt
This will log the first 2500 lines into a file in Documents folder called bootlog.txt. Feel free to post the file or post just the subsection showing a pause (if there is one).
 
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This would be good test for @crossmoid as well (namely, to clone the disk to SATA SSD or to boot from a SATA SSD backup disk if one exists, and time the startup duration). To determine where those 36.97 seconds are going, can you please boot from the NVMe SSD and type the following in Terminal:
Bash:
log show --last boot | head -2500 > ~/Documents/bootlog.txt
This will log the first 2500 lines into a file in Documents folder called bootlog.txt. Feel free to post the file or post just the subsection showing a pause (if there is one).

As requested.
 

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CaseySJ

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As requested.
There is one 14-second pause in the log that may (or may not) be due to initializing the WiFi module. Are you using onboard Intel WiFi/BT or a Fenvi/YOUBO?
 
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There is one 14-second pause in the log that may (or may not) be due to initializing the WiFi module. Are you using onboard Intel WiFi/BT or a Fenvi/YOUBO?

I'm using a Fenvi HB1200. Would that make a difference to which SSD I'm booting from?
 

CaseySJ

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I'm using a Fenvi HB1200. Would that make a difference to which SSD I'm booting from?
We can’t discount the possibility because we’ve seen conflicts between WiFi cards and NVMe slots. So an experiment would be to remove the Fenvi and check boot times between the NVMe and SATA SSDs.
 
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