[Bug 266315] linuxkpi panic after recent updates (13.1-STABLE #0 stable/13-9cbba5950: Wed Sep 7 23:42:41 CEST 2022)

From: <bugzilla-noreply_at_freebsd.org>
Date: Wed, 14 Sep 2022 08:23:13 UTC

--- Comment #4 from jakub_lach@mailplus.pl ---
(In reply to jakub_lach from comment #0)
Another one -

FreeBSD 13.1-STABLE #0 stable/13-3f4e44f38 amd 64


mesa-demos-8.4.0_3             OpenGL demos distributed with Mesa
mesa-dri-21.3.8                OpenGL hardware acceleration drivers for DRI2+
mesa-libs-21.3.8               OpenGL libraries that support GLX and EGL


drm-510-kmod-5.10.113_6        DRM drivers modules


drm-510-kmod-5.10.113_6        DRM drivers modules
libdrm-2.4.113,1               Userspace interface to kernel Direct Rendering
Module services


libva-intel-driver-2.4.1_1     VAAPI legacy driver for Intel GMA 4500 (Gen4) to
UHD 630 (Gen9.5)
xf86-video-intel-2.99.917.916_2,1 X.Org legacy driver for Intel integrated
graphics chipsets

drmn0: [drm] GPU HANG: ecode 4:1:ca8ffffb, in MainThread [100642]
drmn0: [drm] Resetting chip for stopped heartbeat on rcs0
drmn0: [drm] Xorg[100642] context reset due to GPU hang
drmn0: [drm] GPU HANG: ecode 4:1:cecffffb, in MainThread [100642]

Fatal trap 12: page fault while in kernel mode
cpuid = 0; apic id = 00
fault virtual address   = 0x61
fault code              = supervisor read data, page not present
instruction pointer     = 0x20:0xffffffff8072e388
stack pointer           = 0x28:0xfffffe00baa97b60
frame pointer           = 0x28:0xfffffe00baa97ba0
code segment            = base 0x0, limit 0xfffff, type 0x1b
                        = DPL 0, pres 1, long 1, def32 0, gran 1
processor eflags        = interrupt enabled, resume, IOPL = 0
current process         = 0 (linuxkpi_short_wq_1)
trap number             = 12
panic: page fault
cpuid = 0
time = 1663143125
Uptime: 22h24m1s

The hangs happened before drm-510-kmod _but_ they did not lead to panics.

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