[Bug 270903] Black screen and kernel crash after reboot

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=270903

            Bug ID: 270903
           Summary: Black screen and kernel crash after reboot
           Product: Base System
           Version: 13.2-RELEASE
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: d.toschlaeger@gmail.com

Hello
Whenever I logout any windowmangager managed by GDM as login manager my
graphics freeze. I can here some component fan turning up but only a black
screen with a text block cursor appear in the upper left. I use my hardware
ACPI on/Off button to shutdown. Every first reboot after this the boot process
crashes in the upper third part of the hardare detection with a hard error wich
completly resets the machine. No way of intervention. I use the GENERIC kernel
and precompiled pkg's. I recomplied GDM from the ports tree which doesen't
makes a difference though.

I am using an AMD Ryzen 7 5700G (integrated Vega 8) APU with a MSI RTX 3060
Ventus (two fan) graphics card (for primary display in Xorg) with 12GB of RAM.
I have 32GB of memory. Since there is this reboot phenomenon occurs I assume it
could be APU related. But I don't know for sure.

I am happy to help furthermore.


Kind regards
Daniel Toschläger

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