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macOS Sequoia 15.0 beta 5 is out


Hervé

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Released August 5th, 2024.

Build 24A5309e.

 

macOS_Sequoia_beta5.jpg

 

Smooth update on Hackintosh, as usual. OCLP root patching required afterwards, also as usual.

 

Sequoia_15.0.b5.jpg

 

E7270_macOS_Sequoia_15.0.b5.jpg

 

Same Clover r5159 setup for my Dell Latitude E7270 as used with initial beta3 version and posted here.

 

Post-install issue:

As mentioned on other Hackintosh forums, after this update, the EFI partition hosting the bootloader setup no longer mounts properly using tools such a CloverConfigurator, OpenCoreConfigurator, etc. or the line command:

sudo diskutil mount <disk id>

where <disk id> is the disk reference of the EFI partition; for instance disk0s1.

 

The command executes with apparent success but no EFI icon on the desktop and nothing in mounting point directory  /Volumes/EFI which is just empty.

CC_EFI_partition_mounting.jpg

 

admin@macbook-pro ~ % ls -la /Volumes/EFI
total 2
drwx------@ 1 admin  staff    0 Jan  1  1970 .
drwxr-xr-x  6 root   wheel  192 Aug  6 11:58 ..

 

A workaround has been posted which consists of manually recreating the directory /Volume/EFI as a mounting point and then mount the EFI partition on it. This can be done as follows:

1) Identify EFI partition disk id:

admin@macbook-pro ~ % sudo diskutil list           
/dev/disk0 (internal, physical):
   #:                       TYPE NAME                    SIZE       IDENTIFIER
   0:      GUID_partition_scheme                        *240.1 GB   disk0
   1:                        EFI EFI                     209.7 MB   disk0s1    <-- This is the EFI partition disk reference/id
   2:                 Apple_APFS Container disk2         119.9 GB   disk0s2
   3:                 Apple_APFS Container disk1         120.0 GB   disk0s3
[...]

 

2) If you've already attempted to mount the partition, unmount it, otherwise proceed directly to step #3 :

admin@macbook-pro ~ % sudo diskutil unmount <disk id> (for instance disk0s1)

This will remove the /Volumes/EFI mounting point.

 

3) Create EFI volume manually as mounting point:

admin@macbook-pro ~ % sudo mkdir /Volumes/EFI

 

4) mount EFI partition on it:

admin@macbook-pro ~ % sudo mount -t msdos /dev/disk0s1 /Volumes/EFI
Executing: /usr/bin/kmutil load -p /System/Library/Extensions/msdosfs.kext

 

Your EFI partition will then be mounted and its disk icon will appear on the desktop.

 

Something has clearly changed with this beta 5 update, I suspect something to do with security or Gatekeeper and the mounting tools and/or methods previously used now need to be updated for Sequoia.

 

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Yes, it's just one of those little packaged scripts from chris1111 which basically does what is described above after it was updated for Sequoia.

Frankly, no need of a 25MB package to mount the EFI partition...

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