maintainer-feedback requested: [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
Bugzilla Automation <bugzilla@FreeBSD.org> has asked freebsd-x11 (Nobody)
<x11@FreeBSD.org> for maintainer-feedback:
Bug 282400: graphics/drm-kmod: kldunload amdgpu followed with kldload amdgpu
crashes system
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=282400



--- Description ---
# 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.