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Date:      Sun, 09 Mar 2025 10:08:20 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 285271] graphics/drm-kmod (20220907_3) host lockup when radeonkms is part of kld_list
Message-ID:  <bug-285271-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D285271

            Bug ID: 285271
           Summary: graphics/drm-kmod (20220907_3) host lockup when
                    radeonkms is part of kld_list
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: bsdpr@phoe.frmug.org
          Assignee: x11@FreeBSD.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)

On a 13.4-p3 host (BIOS-booted), loading radeonkms via kld_list (in rc.conf)
lead to a black screen and complete host lockup (no ping, no response from =
the
kayboard), the boot never completes and the machine does not reboot by itse=
lf.
When radeonkms is explicitly kldloaded in rc.local or by hand by a logged-in
user, console is set to graphics mode and xorg server is started as expecte=
d.

The following packages are installed (latest):
$ pkg info | grep drm=20
drm-510-kmod-5.10.163.1304000_11 DRM drivers modules
drm-kmod-20220907_3            Metaport of DRM modules for the linuxkpi-bas=
ed
KMS components
gpu-firmware-kmod-20241114,1   Firmware modules for the drm-kmod drivers
libdrm-2.4.123,1               Direct Rendering Manager library and headers

The graghics adapter is a "VGA compatible controller: Advanced Micro Device=
s,
Inc. [AMD/ATI] RV620/M82 [Mobility Radeon HD 3410/3430]".

As a summary: loading the radeonkms later is okay, loading it earlier isn't.

--=20
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