git: 3c1326a472 - main - handbook/virtualization: add note on workaround for Parallels
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Date: Tue, 07 May 2024 22:09:24 UTC
The branch main has been updated by karels:
URL: https://cgit.FreeBSD.org/doc/commit/?id=3c1326a472ca67ff6159d644589ab5e5bfc1258c
commit 3c1326a472ca67ff6159d644589ab5e5bfc1258c
Author: Mike Karels <karels@FreeBSD.org>
AuthorDate: 2024-05-07 22:09:06 +0000
Commit: Mike Karels <karels@FreeBSD.org>
CommitDate: 2024-05-07 22:09:06 +0000
handbook/virtualization: add note on workaround for Parallels
A user reported high CPU utilization on a fresh install of 14.0
on Parallels (MacOS, M1/Apple Silicon). Disabling the new ACPI
ged(4) device worked around the problem. Document this (for now).
Reviewed by: pauamma_gundo.com
Differential Revision: https://reviews.freebsd.org/D45103
---
documentation/content/en/books/handbook/virtualization/_index.adoc | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/documentation/content/en/books/handbook/virtualization/_index.adoc b/documentation/content/en/books/handbook/virtualization/_index.adoc
index c567bd9c76..4084bfc73c 100644
--- a/documentation/content/en/books/handbook/virtualization/_index.adoc
+++ b/documentation/content/en/books/handbook/virtualization/_index.adoc
@@ -136,6 +136,13 @@ kern.hz=100
+
Without this setting, an idle FreeBSD Parallels guest will use roughly 15% of the CPU of a single processor iMac(R).
After this change the usage will be closer to 5%.
++
+If installing FreeBSD 14.0 or later, and CPU utilization is still high, add the following additional line to [.filename]#/boot/loader.conf#:
++
+[.programlisting]
+....
+debug.acpi.disabled="ged"
+....
. Create a New Kernel Configuration File
+
All of the SCSI, FireWire, and USB device drivers can be removed from a custom kernel configuration file.