[Bug 282400] graphics/drm-kmod: kldunload amdgpu followed with kldload amdgpu crashes system

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 29 Oct 2024 10:34:51 UTC 
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282400

            Bug ID: 282400
           Summary: graphics/drm-kmod: kldunload amdgpu followed with
                    kldload amdgpu crashes system
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: vedran@miletic.net
             Flags: maintainer-feedback?(x11@FreeBSD.org)
          Assignee: x11@FreeBSD.org

# uname -aKU
FreeBSD afrodite 14.1-RELEASE-p5 FreeBSD 14.1-RELEASE-p5 GENERIC amd64 1401000
1401000

# pciconf -lv
(...)
vgapci0@pci0:0:1:0:     class=0x030000 rev=0xc6 hdr=0x00 vendor=0x1002
device=0x9874 subvendor=0x103c subdevice=0x805b
    vendor     = 'Advanced Micro Devices, Inc. [AMD/ATI]'
    device     = 'Wani [Radeon R5/R6/R7 Graphics]'
    class      = display
    subclass   = VGA
(...)

# kldunload amdgpu
# kldload amdgpu

Afterward, core.txt file has a warning that no debug info is available, so any
pointers how to provide useful info are welcome.

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