[Bug 287389] graphics/drm-61-kmod: GPU hang

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=287389

            Bug ID: 287389
           Summary: graphics/drm-61-kmod: GPU hang
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: x11@FreeBSD.org
          Reporter: bsd@orsolic.org
             Flags: maintainer-feedback?(x11@FreeBSD.org)
          Assignee: x11@FreeBSD.org

FreeBSD 14.3-RC1, AMD Ryzen 4750G, integrated GPU, uptime of 5 days, working in
KiCAD for the few hours and then both monitors (one is HDMI, other is DP) turn
blank.
After 2-3 seconds they came back, but picture is duplicated on both (picture of
DP monitor is duplicated onto HDMI monitor).
GUI is frozen, but I can ssh into the box and everything (except GUI) works as
usual.
For the last few days I am experiencing GUI slowdowns - changing virtual
desktop s, alt-tabbing, doing things in KiCAD were noticeably slower then after
fresh reboot.

% freebsd-version -ku
14.3-RC1
14.3-RC1

% pkg info -f drm\*kmod\*
drm-61-kmod-6.1.128.1403000_4
Name           : drm-61-kmod
Version        : 6.1.128.1403000_4
Installed on   : Sun Jun  1 18:44:40 2025 CEST
Origin         : graphics/drm-61-kmod
Architecture   : FreeBSD:14:amd64
Prefix         : /usr/local
Categories     : graphics kld
Licenses       : BSD2CLAUSE, MIT, GPLv2
Maintainer     : x11@FreeBSD.org
WWW            : https://github.com/freebsd/drm-kmod/
Comment        : DRM drivers modules
Annotations    :
        FreeBSD_version: 1403000
Flat size      : 17.2MiB
Description    :
amdgpu, i915, and radeon DRM drivers modules.
Currently corresponding to Linux 6.1 DRM.
This version is for FreeBSD 14-STABLE 1400508
and above.

% dmesg
[drm ERROR :amdgpu_job_timedout] ring gfx timeout, signaled seq=38354975,
emitted seq=38354977
[drm ERROR :amdgpu_job_timedout] Process information: process  pid 325616
thread  pid 325616
drmn0: GPU reset begin!
[drm] psp gfx command UNLOAD_TA(0x2) failed and response status is (0x117)
drmn0: free PSP TMR buffer
drmn0: MODE2 reset
drmn0: GPU reset succeeded, trying to resume
[drm] PCIE GART of 1024M enabled.
[drm] PTB located at 0x000000F43FC00000
[drm] PSP is resuming...
[drm] reserve 0x400000 from 0xf43f800000 for PSP TMR
drmn0: RAS: optional ras ta ucode is not available
drmn0: RAP: optional rap ta ucode is not available
drmn0: SECUREDISPLAY: securedisplay ta ucode is not available
drmn0: SMU is resuming...
drmn0: SMU is resumed successfully!
[drm] DMUB hardware initialized: version=0x01010027
[drm] kiq ring mec 2 pipe 1 q 0
[drm] VCN decode and encode initialized successfully(under DPG Mode).
[drm] JPEG decode initialized successfully.
drmn0: ring gfx uses VM inv eng 0 on hub 0
drmn0: ring comp_1.0.0 uses VM inv eng 1 on hub 0
drmn0: ring comp_1.1.0 uses VM inv eng 4 on hub 0
drmn0: ring comp_1.2.0 uses VM inv eng 5 on hub 0
drmn0: ring comp_1.3.0 uses VM inv eng 6 on hub 0
drmn0: ring comp_1.0.1 uses VM inv eng 7 on hub 0
drmn0: ring comp_1.1.1 uses VM inv eng 8 on hub 0
drmn0: ring comp_1.2.1 uses VM inv eng 9 on hub 0
drmn0: ring comp_1.3.1 uses VM inv eng 10 on hub 0
drmn0: ring kiq_2.1.0 uses VM inv eng 11 on hub 0
drmn0: ring sdma0 uses VM inv eng 0 on hub 1
drmn0: ring vcn_dec uses VM inv eng 1 on hub 1
drmn0: ring vcn_enc0 uses VM inv eng 4 on hub 1
drmn0: ring vcn_enc1 uses VM inv eng 5 on hub 1
drmn0: ring jpeg_dec uses VM inv eng 6 on hub 1
drmn0: recover vram bo from shadow start
drmn0: recover vram bo from shadow done
drmn0: GPU reset(2) succeeded!
[drm ERROR :amdgpu_job_timedout] ring gfx timeout, signaled seq=38354980,
emitted seq=38354980
[drm ERROR :amdgpu_job_timedout] Process information: process  pid 325616
thread  pid 325616
drmn0: GPU reset begin!

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