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Date:      Tue, 18 Apr 2023 23:25:34 +0000
From:      bugzilla-noreply@freebsd.org
To:        usb@FreeBSD.org
Subject:   [Bug 270883] Enable mouse on Hyper-V 2022 Gen2 VM
Message-ID:  <bug-270883-19105-txD7lJbU0l@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-270883-19105@https.bugs.freebsd.org/bugzilla/>
References:  <bug-270883-19105@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D270883

--- Comment #3 from fgorter <fgorter@gmail.com> ---
Same behavior is not entirely unexpected, to be honest.

Just-in-case, what happens if you remove dbus_enable from rc.conf as well?

I've experienced something roughly similar some years ago with some recently
released (2014/2015) Xeon CPUs. Executing a normal reboot from console (on =
bare
metal), would lead to the machine to shutdown normally (somewhat...) but not
actually boot after BIOS POST. It required a hard reset -- press and hold p=
ower
button -- to start correctly again.

Recalling from memory, I believe a switch in /boot/device.hints was require=
d. I
forget exactly which, but I think it was to one of the hint.atrtc* knobs, to
deal with some (unclean) ACPI state quirks.

What is the make/model of your hardware? Motherboard / CPU combo.

If this is a AMD Ryzen based system, not that "hw.vmm.amdvi.enable=3D1" sho=
uld
probably be present in /boot/loader.conf -- default FreeBSD install ships w=
ith
this knob disabled. With it disabled does allow a normal install, but with =
some
more advanced features switched off.

Please also double check the system BIOS for any USB-specific (legacy)
switches.

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