From: SASANO Takayoshi Subject: xenocara: segfault on old NetBook (i945 graphics) To: tech@cvs.openbsd.org Date: Sat, 03 Jan 2026 20:55:13 +0900 Hello, I am trying OpenBSD/i386-current on old WindowsXP-era NetBook, X.org crashes with segmentation fault. Here is Xorg.0.log: ---- [ 32575.680] X.Org X Server 1.21.1.20 X Protocol Version 11, Revision 0 [ 32575.694] Current Operating System: OpenBSD ml.uaa.org.uk 7.8 GENERIC.MP#194 i386 [ 32575.700] [ 32575.707] Current version of pixman: 0.46.4 [ 32575.715] Before reporting problems, check http://wiki.x.org to make sure that you have the latest version. [ 32575.715] Markers: (--) probed, (**) from config file, (==) default setting, (++) from command line, (!!) notice, (II) informational, (WW) warning, (EE) error, (NI) not implemented, (??) unknown. [ 32575.746] (==) Log file: "/home/uaa/.local/share/xorg/Xorg.0.log", Time: Thu Jan 1 22:31:31 2026 [ 32575.756] (==) Using system config directory "/usr/X11R6/share/X11/xorg.conf.d" [ 32575.759] (==) No Layout section. Using the first Screen section. [ 32575.759] (==) No screen section available. Using defaults. [ 32575.759] (**) |-->Screen "Default Screen Section" (0) [ 32575.759] (**) | |-->Monitor "" [ 32575.760] (==) No monitor specified for screen "Default Screen Section". Using a default monitor configuration. [ 32575.760] (**) Allowing byte-swapped clients [ 32575.760] (==) Automatically adding devices [ 32575.760] (==) Automatically enabling devices [ 32575.760] (==) Not automatically adding GPU devices [ 32575.760] (==) Automatically binding GPU devices [ 32575.761] (==) Max clients allowed: 256, resource mask: 0x1fffff [ 32575.761] (==) FontPath set to: /usr/X11R6/lib/X11/fonts/misc/, /usr/X11R6/lib/X11/fonts/TTF/, /usr/X11R6/lib/X11/fonts/OTF/, /usr/X11R6/lib/X11/fonts/Type1/, /usr/X11R6/lib/X11/fonts/100dpi/, /usr/X11R6/lib/X11/fonts/75dpi/ [ 32575.761] (==) ModulePath set to "/usr/X11R6/lib/modules" [ 32575.761] (II) The server relies on wscons to provide the list of input devices. If no devices become available, reconfigure wscons or disable AutoAddDevices. [ 32575.761] (II) Loader magic: 0x3bcbb790 [ 32575.761] (II) Module ABI versions: [ 32575.761] X.Org ANSI C Emulation: 0.4 [ 32575.762] X.Org Video Driver: 25.2 [ 32575.762] X.Org XInput driver : 24.4 [ 32575.762] X.Org Server Extension : 10.0 [ 32575.763] (--) Using wscons driver on /dev/ttyC4 [ 32575.785] (WW) checkDevMem: failed to open /dev/mem and /dev/xf86 (Permission denied) Check that you have set 'machdep.allowaperture=1' in /etc/sysctl.conf and reboot your machine refer to xf86(4) for details [ 32575.785] linear framebuffer access unavailable [ 32575.786] (II) LoadModule: "glx" [ 32575.789] (II) Loading /usr/X11R6/lib/modules/extensions/libglx.so [ 32575.993] (II) Module glx: vendor="X.Org Foundation" [ 32575.993] compiled for 1.21.1.20, module version = 1.0.0 [ 32575.993] ABI class: X.Org Server Extension, version 10.0 [ 32575.994] (==) Matched modesetting as autoconfigured driver 0 [ 32575.994] (==) Assigned the driver to the xf86ConfigLayout [ 32575.994] (II) LoadModule: "modesetting" [ 32575.996] (II) Loading /usr/X11R6/lib/modules/drivers/modesetting_drv.so [ 32575.997] (II) Module modesetting: vendor="X.Org Foundation" [ 32575.997] compiled for 1.21.1.20, module version = 1.21.1 [ 32575.997] Module class: X.Org Video Driver [ 32575.997] ABI class: X.Org Video Driver, version 25.2 [ 32575.997] (II) modesetting: Driver for Modesetting Kernel Drivers: kms [ 32575.997] (WW) Falling back to old probe method for modesetting [ 32576.002] (II) modeset(0): using default device [ 32576.002] (WW) VGA arbiter: cannot open kernel arbiter, no multi-card support [ 32576.003] (II) modeset(0): Creating default Display subsection in Screen section "Default Screen Section" for depth/fbbpp 24/32 [ 32576.003] (==) modeset(0): Depth 24, (==) framebuffer bpp 32 [ 32576.003] (==) modeset(0): RGB weight 888 [ 32576.003] (==) modeset(0): Default visual is TrueColor [ 32576.003] (II) Loading sub module "glamoregl" [ 32576.004] (II) LoadModule: "glamoregl" [ 32576.008] (II) Loading /usr/X11R6/lib/modules/libglamoregl.so [ 32576.038] (II) Module glamoregl: vendor="X.Org Foundation" [ 32576.039] compiled for 1.21.1.20, module version = 1.0.1 [ 32576.039] ABI class: X.Org ANSI C Emulation, version 0.4 [ 32576.207] (II) modeset(0): glamor: Using OpenGL 2.1 context. [ 32576.209] (II) modeset(0): glamor X acceleration enabled on i915 (chipset: 945GME) [ 32576.209] (II) modeset(0): glamor initialized [ 32576.209] (==) modeset(0): VariableRefresh: disabled [ 32576.209] (==) modeset(0): AsyncFlipSecondaries: disabled [ 32576.209] (II) modeset(0): Atomic modesetting disabled [ 32576.209] (II) modeset(0): TearFree: enabled [ 32576.210] (II) modeset(0): Output LVDS-1 has no monitor section [ 32576.224] (II) modeset(0): Output VGA-1 has no monitor section [ 32576.228] (II) modeset(0): EDID for output LVDS-1 [ 32576.228] (II) modeset(0): Manufacturer: CMO Model: 209 Serial#: 0 [ 32576.228] (II) modeset(0): Year: 2008 Week: 31 [ 32576.228] (II) modeset(0): EDID Version: 1.3 [ 32576.228] (II) modeset(0): Digital Display Input [ 32576.228] (II) modeset(0): Max Image Size [cm]: horiz.: 21 vert.: 12 [ 32576.228] (II) modeset(0): Gamma: 2.20 [ 32576.228] (II) modeset(0): No DPMS capabilities specified [ 32576.228] (II) modeset(0): Supported color encodings: RGB 4:4:4 YCrCb 4:4:4 [ 32576.228] (II) modeset(0): First detailed timing is preferred mode [ 32576.228] (II) modeset(0): redX: 0.584 redY: 0.362 greenX: 0.350 greenY: 0.583 [ 32576.228] (II) modeset(0): blueX: 0.154 blueY: 0.105 whiteX: 0.313 whiteY: 0.329 [ 32576.228] (II) modeset(0): Manufacturer's mask: 0 [ 32576.228] (II) modeset(0): Supported detailed timing: [ 32576.228] (II) modeset(0): clock: 45.0 MHz Image Size: 195 x 113 mm [ 32576.228] (II) modeset(0): h_active: 1024 h_sync: 1072 h_sync_end 1104 h_blank_end 1200 h_border: 0 [ 32576.228] (II) modeset(0): v_active: 600 v_sync: 603 v_sync_end 609 v_blanking: 625 v_border: 0 [ 32576.228] (II) modeset(0): N089L6-L02 [ 32576.228] (II) modeset(0): CMO [ 32576.228] (II) modeset(0): N089L6-L02 [ 32576.228] (II) modeset(0): EDID (in hex): [ 32576.229] (II) modeset(0): 00ffffffffffff000daf090200000000 [ 32576.229] (II) modeset(0): 1f12010390150c780ab985955c599527 [ 32576.229] (II) modeset(0): 1b505400000001010101010101010101 [ 32576.229] (II) modeset(0): 010101010101941100b0405819203020 [ 32576.229] (II) modeset(0): 3600c37100000018000000fe004e3038 [ 32576.229] (II) modeset(0): 394c362d4c30320a2020000000fe0043 [ 32576.229] (II) modeset(0): 4d4f0a202020202020202020000000fe [ 32576.229] (II) modeset(0): 004e3038394c362d4c30320a2020009d [ 32576.231] (II) modeset(0): Printing probed modes for output LVDS-1 [ 32576.231] (II) modeset(0): Modeline "1024x600"x60.0 45.00 1024 1072 1104 1200 600 603 609 625 -hsync -vsync (37.5 kHz eP) [ 32576.232] (II) modeset(0): Modeline "1024x576"x60.0 42.13 1024 1072 1104 1184 576 579 584 593 +hsync -vsync (35.6 kHz d) [ 32576.232] (II) modeset(0): Modeline "960x600"x60.0 77.00 960 984 1000 1040 600 601 604 617 doublescan +hsync -vsync (74.0 kHz d) [ 32576.232] (II) modeset(0): Modeline "960x540"x60.0 37.36 960 1008 1040 1120 540 543 548 556 +hsync -vsync (33.4 kHz d) [ 32576.232] (II) modeset(0): Modeline "800x600"x60.0 38.40 800 824 896 1024 600 601 603 625 +hsync +vsync (37.5 kHz d) [ 32576.232] (II) modeset(0): Modeline "840x525"x60.0 59.62 840 864 880 920 525 526 529 540 doublescan +hsync -vsync (64.8 kHz d) [ 32576.232] (II) modeset(0): Modeline "864x486"x60.0 30.72 864 912 944 1024 486 489 494 500 +hsync -vsync (30.0 kHz d) [ 32576.232] (II) modeset(0): Modeline "700x525"x60.0 61.02 700 744 820 940 525 526 532 541 doublescan +hsync +vsync (64.9 kHz d) [ 32576.232] (II) modeset(0): Modeline "800x450"x60.0 48.89 800 824 840 880 450 451 454 463 doublescan +hsync -vsync (55.6 kHz d) [ 32576.232] (II) modeset(0): Modeline "640x512"x60.0 53.98 640 664 720 844 512 512 514 533 doublescan +hsync +vsync (64.0 kHz d) [ 32576.232] (II) modeset(0): Modeline "700x450"x60.0 43.34 700 724 740 780 450 451 456 463 doublescan +hsync -vsync (55.6 kHz d) [ 32576.232] (II) modeset(0): Modeline "640x480"x60.0 25.20 640 656 752 800 480 490 492 525 -hsync -vsync (31.5 kHz d) [ 32576.232] (II) modeset(0): Modeline "720x405"x60.0 22.12 720 768 800 880 405 408 413 419 +hsync -vsync (25.1 kHz d) [ 32576.232] (II) modeset(0): Modeline "684x384"x60.0 36.21 684 708 724 764 384 385 390 395 doublescan +hsync -vsync (47.4 kHz d) [ 32576.232] (II) modeset(0): Modeline "640x360"x60.0 17.95 640 688 720 800 360 363 368 374 +hsync -vsync (22.4 kHz d) [ 32576.232] (II) modeset(0): Modeline "512x384"x60.0 32.50 512 524 592 672 384 385 388 403 doublescan -hsync -vsync (48.4 kHz d) [ 32576.232] (II) modeset(0): Modeline "512x288"x60.0 21.03 512 536 552 592 288 289 292 296 doublescan +hsync -vsync (35.5 kHz d) [ 32576.232] (II) modeset(0): Modeline "480x270"x60.0 18.68 480 504 520 560 270 271 274 278 doublescan +hsync -vsync (33.4 kHz d) [ 32576.232] (II) modeset(0): Modeline "400x300"x60.0 19.17 400 412 448 512 300 300 301 312 doublescan +hsync +vsync (37.4 kHz d) [ 32576.233] (II) modeset(0): Modeline "432x243"x60.0 15.36 432 456 472 512 243 244 247 250 doublescan +hsync -vsync (30.0 kHz d) [ 32576.233] (II) modeset(0): Modeline "320x240"x60.0 12.58 320 328 376 400 240 245 246 262 doublescan -hsync -vsync (31.4 kHz d) [ 32576.233] (II) modeset(0): Modeline "360x202"x60.0 11.04 360 384 400 440 202 204 206 209 doublescan +hsync -vsync (25.1 kHz d) [ 32576.233] (II) modeset(0): Modeline "320x180"x60.0 8.98 320 344 360 400 180 181 184 187 doublescan +hsync -vsync (22.4 kHz d) [ 32576.246] (II) modeset(0): EDID for output VGA-1 [ 32576.246] (II) modeset(0): Output LVDS-1 connected [ 32576.246] (II) modeset(0): Output VGA-1 disconnected [ 32576.246] (II) modeset(0): Using exact sizes for initial modes [ 32576.246] (II) modeset(0): Output LVDS-1 using initial mode 1024x600 +0+0 [ 32576.246] (==) modeset(0): Using gamma correction (1.0, 1.0, 1.0) [ 32576.246] (--) modeset(0): Display dimensions: (195, 113) mm [ 32576.246] (--) modeset(0): DPI set to (133, 134) [ 32576.246] (II) Loading sub module "fb" [ 32576.246] (II) LoadModule: "fb" [ 32576.246] (II) Module "fb" already built-in [ 32576.475] Failed to link: error: Exceeded max TGSI temps (18/16) [ 32576.476] (WW) glamor0: Cannot initialize gradient shader, falling back to software rendering for gradients [ 32576.476] (==) modeset(0): Backing store enabled [ 32576.476] (==) modeset(0): Silken mouse enabled [ 32576.502] (II) modeset(0): Initializing kms color map for depth 24, 8 bpc. [ 32576.503] (==) modeset(0): DPMS enabled [ 32576.504] (II) modeset(0): [DRI2] Setup complete [ 32576.504] (II) modeset(0): [DRI2] DRI driver: i915 [ 32576.504] (II) modeset(0): [DRI2] VDPAU driver: i915 [ 32576.504] (II) Initializing extension Generic Event Extension [ 32576.506] (II) Initializing extension SHAPE [ 32576.508] (II) Initializing extension MIT-SHM [ 32576.511] (II) Initializing extension XInputExtension [ 32576.513] (II) Initializing extension XTEST [ 32576.516] (II) Initializing extension BIG-REQUESTS [ 32576.518] (II) Initializing extension SYNC [ 32576.520] (II) Initializing extension XKEYBOARD [ 32576.522] (II) Initializing extension XC-MISC [ 32576.525] (II) Initializing extension SECURITY [ 32576.527] (II) Initializing extension XFIXES [ 32576.529] (II) Initializing extension RENDER [ 32576.531] (II) Initializing extension RANDR [ 32576.536] (II) Initializing extension COMPOSITE [ 32576.538] (II) Initializing extension DAMAGE [ 32576.540] (II) Initializing extension MIT-SCREEN-SAVER [ 32576.542] (II) Initializing extension DOUBLE-BUFFER [ 32576.544] (II) Initializing extension RECORD [ 32576.547] (II) Initializing extension DPMS [ 32576.549] (II) Initializing extension Present [ 32576.551] (II) Initializing extension DRI3 [ 32576.553] (II) Initializing extension X-Resource [ 32576.556] (II) Initializing extension XVideo [ 32576.558] (II) Initializing extension XVideo-MotionCompensation [ 32576.558] (II) Initializing extension GLX [ 32576.562] (II) GLX: Initialized glamor GL provider for screen 0 [ 32576.562] (II) GLX: Another vendor is already registered for screen 0 [ 32576.563] (II) Initializing extension XFree86-VidModeExtension [ 32576.565] (II) Initializing extension XFree86-DGA [ 32576.567] (II) Initializing extension XFree86-DRI [ 32576.567] (II) Initializing extension DRI2 [ 32576.577] (II) modeset(0): Damage tracking initialized [ 32576.577] (II) modeset(0): Setting screen physical size to 195 x 113 [ 32577.720] (EE) Segmentation fault at address 0x0 [ 32577.720] (EE) Fatal server error: [ 32577.721] (EE) Caught signal 11 (Segmentation fault). Server aborting [ 32577.721] (EE) [ 32577.721] (EE) Please consult the The X.Org Foundation support at http://wiki.x.org for help. [ 32577.721] (EE) Please also check the log file at "/home/uaa/.local/share/xorg/Xorg.0.log" for additional information. [ 32577.721] (EE) [ 32577.736] (EE) Server terminated with error (1). Closing log file. ---- Backtrace with gdb: ---- ml$ gdb /usr/X11R6/bin/Xorg Xorg.core GNU gdb 6.3 Copyright 2004 Free Software Foundation, Inc. GDB is free software, covered by the GNU General Public License, and you are welcome to change it and/or distribute copies of it under certain conditions. Type "show copying" to see the conditions. There is absolutely no warranty for GDB. Type "show warranty" for details. This GDB was configured as "i386-unknown-openbsd7.8"... Core was generated by `Xorg'. Program terminated with signal 6, Aborted. Reading symbols from /usr/lib/libpthread.so.28.1...done. Loaded symbols for /usr/lib/libpthread.so.28.1 Loaded symbols for /usr/X11R6/bin/Xorg Symbols already loaded for /usr/lib/libpthread.so.28.1 Reading symbols from /usr/X11R6/lib/libxcvt.so.0.0...done. Loaded symbols for /usr/X11R6/lib/libxcvt.so.0.0 Reading symbols from /usr/X11R6/lib/libpciaccess.so.2.1...done. Loaded symbols for /usr/X11R6/lib/libpciaccess.so.2.1 Reading symbols from /usr/X11R6/lib/libdrm.so.7.13...done. Loaded symbols for /usr/X11R6/lib/libdrm.so.7.13 Reading symbols from /usr/X11R6/lib/libpixman-1.so.46.4...done. Loaded symbols for /usr/X11R6/lib/libpixman-1.so.46.4 Reading symbols from /usr/X11R6/lib/libXfont2.so.3.0...done. Loaded symbols for /usr/X11R6/lib/libXfont2.so.3.0 Reading symbols from /usr/X11R6/lib/libfontenc.so.4.0...done. Loaded symbols for /usr/X11R6/lib/libfontenc.so.4.0 Reading symbols from /usr/lib/libz.so.7.1...done. Loaded symbols for /usr/lib/libz.so.7.1 Reading symbols from /usr/X11R6/lib/libfreetype.so.31.1...done. Loaded symbols for /usr/X11R6/lib/libfreetype.so.31.1 Reading symbols from /usr/X11R6/lib/libXau.so.10.0...done. Loaded symbols for /usr/X11R6/lib/libXau.so.10.0 Reading symbols from /usr/X11R6/lib/libxshmfence.so.0.0...done. Loaded symbols for /usr/X11R6/lib/libxshmfence.so.0.0 Reading symbols from /usr/X11R6/lib/libXdmcp.so.11.0...done. Loaded symbols for /usr/X11R6/lib/libXdmcp.so.11.0 Reading symbols from /usr/lib/libkvm.so.18.0...done. Loaded symbols for /usr/lib/libkvm.so.18.0 Reading symbols from /usr/lib/libm.so.10.1...done. Loaded symbols for /usr/lib/libm.so.10.1 Reading symbols from /usr/lib/libc.so.102.2...done. Loaded symbols for /usr/lib/libc.so.102.2 Reading symbols from /usr/libexec/ld.so...done. Loaded symbols for /usr/libexec/ld.so Reading symbols from /usr/X11R6/lib/modules/extensions/libglx.so...done. Loaded symbols for /usr/X11R6/lib/modules/extensions/libglx.so Reading symbols from /usr/X11R6/lib/libGL.so.19.2...done. Loaded symbols for /usr/X11R6/lib/libGL.so.19.2 Reading symbols from /usr/X11R6/lib/libglapi.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libglapi.so.2.0 Reading symbols from /usr/lib/libexpat.so.17.0...done. Loaded symbols for /usr/lib/libexpat.so.17.0 Reading symbols from /usr/X11R6/lib/libX11-xcb.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libX11-xcb.so.2.0 Reading symbols from /usr/X11R6/lib/libxcb-glx.so.1.1...done. Loaded symbols for /usr/X11R6/lib/libxcb-glx.so.1.1 Reading symbols from /usr/X11R6/lib/libxcb-shm.so.1.1...done. Loaded symbols for /usr/X11R6/lib/libxcb-shm.so.1.1 Reading symbols from /usr/X11R6/lib/libXxf86vm.so.6.0...done. Loaded symbols for /usr/X11R6/lib/libXxf86vm.so.6.0 Reading symbols from /usr/X11R6/lib/libXext.so.13.0...done. Loaded symbols for /usr/X11R6/lib/libXext.so.13.0 Reading symbols from /usr/X11R6/lib/libX11.so.19.0...done. Loaded symbols for /usr/X11R6/lib/libX11.so.19.0 Reading symbols from /usr/X11R6/lib/libxcb.so.4.1...done. Loaded symbols for /usr/X11R6/lib/libxcb.so.4.1 Reading symbols from /usr/X11R6/lib/libxcb-xfixes.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libxcb-xfixes.so.2.0 Reading symbols from /usr/X11R6/lib/libXfixes.so.6.1...done. Loaded symbols for /usr/X11R6/lib/libXfixes.so.6.1 Reading symbols from /usr/X11R6/lib/libxcb-dri2.so.1.1...done. Loaded symbols for /usr/X11R6/lib/libxcb-dri2.so.1.1 Reading symbols from /usr/X11R6/lib/libgallium_dri.so...done. Loaded symbols for /usr/X11R6/lib/libgallium_dri.so Reading symbols from /usr/X11R6/lib/libxcb-dri3.so.0.3...done. Loaded symbols for /usr/X11R6/lib/libxcb-dri3.so.0.3 Reading symbols from /usr/X11R6/lib/libxcb-present.so.0.2...done. Loaded symbols for /usr/X11R6/lib/libxcb-present.so.0.2 Reading symbols from /usr/lib/libelf.so.3.0...done. Loaded symbols for /usr/lib/libelf.so.3.0 Reading symbols from /usr/lib/libLLVM.so.9.0...done. Loaded symbols for /usr/lib/libLLVM.so.9.0 Reading symbols from /usr/X11R6/lib/libxcb-randr.so.2.3...done. Loaded symbols for /usr/X11R6/lib/libxcb-randr.so.2.3 Reading symbols from /usr/X11R6/lib/libxcb-sync.so.1.2...done. Loaded symbols for /usr/X11R6/lib/libxcb-sync.so.1.2 Reading symbols from /usr/X11R6/lib/libdrm_intel.so.5.4...done. Loaded symbols for /usr/X11R6/lib/libdrm_intel.so.5.4 Reading symbols from /usr/X11R6/lib/libdrm_amdgpu.so.1.14...done. Loaded symbols for /usr/X11R6/lib/libdrm_amdgpu.so.1.14 Reading symbols from /usr/lib/libc++.so.12.0...done. Loaded symbols for /usr/lib/libc++.so.12.0 Reading symbols from /usr/lib/libc++abi.so.9.0...done. Loaded symbols for /usr/lib/libc++abi.so.9.0 Reading symbols from /usr/X11R6/lib/modules/drivers/modesetting_drv.so...done. Loaded symbols for /usr/X11R6/lib/modules/drivers/modesetting_drv.so Reading symbols from /usr/X11R6/lib/modules/libglamoregl.so...done. Loaded symbols for /usr/X11R6/lib/modules/libglamoregl.so Reading symbols from /usr/X11R6/lib/libgbm.so.0.6...done. Loaded symbols for /usr/X11R6/lib/libgbm.so.0.6 Reading symbols from /usr/X11R6/lib/libepoxy.so.4.1...done. Loaded symbols for /usr/X11R6/lib/libepoxy.so.4.1 Reading symbols from /usr/X11R6/lib/gbm/dri_gbm.so...done. Loaded symbols for /usr/X11R6/lib/gbm/dri_gbm.so Reading symbols from /usr/X11R6/lib/libEGL.so.2.0...done. Loaded symbols for /usr/X11R6/lib/libEGL.so.2.0 #0 thrkill () at /tmp/-:2 2 /tmp/-: No such file or directory. in /tmp/- (gdb) backtrace #0 thrkill () at /tmp/-:2 #1 0x023b8ba0 in _libc_raise (s=6) at /usr/src/lib/libc/gen/raise.c:37 #2 0x02353826 in _libc_abort () at /usr/src/lib/libc/stdlib/abort.c:51 #3 0x16ac775a in OsAbort () from /usr/X11R6/bin/Xorg #4 0x16acd748 in AbortServer () from /usr/X11R6/bin/Xorg #5 0x16acc5f0 in FatalError () from /usr/X11R6/bin/Xorg #6 0x16ac4cab in OsSigHandler () from /usr/X11R6/bin/Xorg #7 #8 0x0b8a3d9d in drmmode_load_cursor_argb_check () from /usr/X11R6/lib/modules/drivers/modesetting_drv.so #9 0x169b7b59 in xf86_crtc_convert_cursor_to_argb () from /usr/X11R6/bin/Xorg #10 0x169b7556 in xf86_load_cursor_image () from /usr/X11R6/bin/Xorg #11 0x169c4859 in xf86ScreenSetCursor () from /usr/X11R6/bin/Xorg #12 0x169c45e3 in xf86SetCursor () from /usr/X11R6/bin/Xorg #13 0x169c3343 in xf86CursorSetCursor () from /usr/X11R6/bin/Xorg #14 0x16aab761 in miPointerUpdateSprite () from /usr/X11R6/bin/Xorg #15 0x16aaac9e in miPointerDisplayCursor () from /usr/X11R6/bin/Xorg #16 0x169d0faf in CursorDisplayCursor () from /usr/X11R6/bin/Xorg #17 0x16a18cfd in AnimCurDisplayCursor () from /usr/X11R6/bin/Xorg #18 0x16949bc9 in UpdateSpriteForScreen () from /usr/X11R6/bin/Xorg #19 0x16aab3e8 in miPointerWarpCursor () from /usr/X11R6/bin/Xorg #20 0x1697c2ae in xf86WarpCursor () from /usr/X11R6/bin/Xorg #21 0x16aaaf09 in miPointerSetCursorPosition () from /usr/X11R6/bin/Xorg #22 0x16a18eab in AnimCurSetCursorPosition () from /usr/X11R6/bin/Xorg #23 0x1694997b in InitializeSprite () from /usr/X11R6/bin/Xorg #24 0x1692f665 in EnableDevice () from /usr/X11R6/bin/Xorg #25 0x16930af9 in InitCoreDevices () from /usr/X11R6/bin/Xorg #26 0x1693fc3a in dix_main () from /usr/X11R6/bin/Xorg #27 0x169287e2 in main () from /usr/X11R6/bin/Xorg Current language: auto; currently asm (gdb) quit ml$ ^D ---- And dmesg: ---- OpenBSD 7.8-current (GENERIC.MP) #194: Mon Dec 29 00:57:20 MST 2025 deraadt@i386.openbsd.org:/usr/src/sys/arch/i386/compile/GENERIC.MP real mem = 2138259456 (2039MB) avail mem = 2081382400 (1984MB) random: good seed from bootblocks mpath0 at root scsibus0 at mpath0: 256 targets mainbus0 at root bios0 at mainbus0: date 12/21/09, BIOS32 rev. 0 @ 0xf0010, SMBIOS rev. 2.5 @ 0xfc3e0 (29 entries) bios0: vendor American Megatrends Inc. version "1.0J-1585-0513" date 12/21/2009 bios0: KOHJINSHA CO.,LTD. ML Series acpi0 at bios0: ACPI 2.0 acpi0: sleep states S0 S3 S4 S5 acpi0: tables DSDT FACP APIC MCFG SLIC OEMB HPET ASF! SSDT acpi0: wakeup devices P0P4(S0) P0P6(S4) acpitimer0 at acpi0: 3579545 Hz, 24 bits acpimadt0 at acpi0 addr 0xfee00000: PC-AT compat cpu0 at mainbus0: apid 0 (boot processor) cpu0: Genuine Intel(R) CPU N270 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz, 06-1c-02, patch 00000218 cpu0: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,NXE,LAHF,PERF,SENSOR,MELTDOWN mtrr: Pentium Pro MTRR support, 8 var ranges, 88 fixed ranges cpu0: apic clock running at 133MHz cpu0: mwait min=64, max=64, C-substates=0.2.2.0.2, IBE cpu1 at mainbus0: apid 1 (application processor) cpu1: Genuine Intel(R) CPU N270 @ 1.60GHz ("GenuineIntel" 686-class) 1.60 GHz, 06-1c-02, patch 00000218 cpu1: FPU,V86,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,CFLUSH,DS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE,SSE3,DTES64,MWAIT,DS-CPL,EST,TM2,SSSE3,xTPR,PDCM,MOVBE,NXE,LAHF,PERF,SENSOR,MELTDOWN ioapic0 at mainbus0: apid 2 pa 0xfec00000, version 20, 24 pins, remapped acpimcfg0 at acpi0 acpimcfg0: addr 0xe0000000, bus 0-255 acpihpet0 at acpi0: 14318179 Hz acpiprt0 at acpi0: bus 0 (PCI0) acpiprt1 at acpi0: bus 5 (P0P1) acpiprt2 at acpi0: bus -1 (P0P5) acpiprt3 at acpi0: bus 2 (P0P6) acpiec0 at acpi0 "PNP0A08" at acpi0 not configured acpicmos0 at acpi0 "PNP0303" at acpi0 not configured "SYN1918" at acpi0 not configured acpibtn0 at acpi0: PWRB "IEC2007" at acpi0 not configured acpibtn1 at acpi0: LID_ acpibat0 at acpi0: BAT0 model "NBP3A62-3S1P" serial 1371 type Li-ion acpiac0 at acpi0: AC unit online acpicpu0 at acpi0: C1(1000@1 mwait.1), PSS acpicpu1 at acpi0: C1(1000@1 mwait.1), PSS acpitz0 at acpi0 acpitz0: critical temperature is 110 degC acpivideo0 at acpi0: GFX0 acpivout0 at acpivideo0: DD04 bios0: ROM list: 0xc0000/0xec00! 0xcf000/0x1000 0xd0000/0x1000 cpu0: Enhanced SpeedStep 1597 MHz: speeds: 1600, 1333, 1067, 800 MHz pci0 at mainbus0 bus 0: configuration mode 1 (bios) pchb0 at pci0 dev 0 function 0 "Intel 82945GME Host" rev 0x03 inteldrm0 at pci0 dev 2 function 0 "Intel 82945GME Video" rev 0x03 drm0 at inteldrm0 intagp0 at inteldrm0 agp0 at intagp0: aperture at 0xd0000000, size 0x10000000 inteldrm0: apic 2 int 16, I945GM, gen 3 "Intel 82945GM Video" rev 0x03 at pci0 dev 2 function 1 not configured azalia0 at pci0 dev 27 function 0 "Intel 82801GB HD Audio" rev 0x02: msi azalia0: codecs: Realtek ALC262 audio0 at azalia0 ppb0 at pci0 dev 28 function 0 "Intel 82801GB PCIE" rev 0x02: apic 2 int 16 pci1 at ppb0 bus 1 re0 at pci1 dev 0 function 0 "Realtek 8101E" rev 0x02: RTL8102E (0x3480), msi, address 00:1e:33:18:5f:81 rlphy0 at re0 phy 7: RTL8201L, rev. 1 ppb1 at pci0 dev 28 function 2 "Intel 82801GB PCIE" rev 0x02: apic 2 int 18 pci2 at ppb1 bus 2 uhci0 at pci0 dev 29 function 0 "Intel 82801GB USB" rev 0x02: apic 2 int 23 uhci1 at pci0 dev 29 function 1 "Intel 82801GB USB" rev 0x02: apic 2 int 19 uhci2 at pci0 dev 29 function 2 "Intel 82801GB USB" rev 0x02: apic 2 int 18 uhci3 at pci0 dev 29 function 3 "Intel 82801GB USB" rev 0x02: apic 2 int 16 ehci0 at pci0 dev 29 function 7 "Intel 82801GB USB" rev 0x02: apic 2 int 23 usb0 at ehci0: USB revision 2.0 uhub0 at usb0 configuration 1 interface 0 "Intel EHCI root hub" rev 2.00/1.00 addr 1 ppb2 at pci0 dev 30 function 0 "Intel 82801BAM Hub-to-PCI" rev 0xe2 pci3 at ppb2 bus 5 ichpcib0 at pci0 dev 31 function 0 "Intel 82801GBM LPC" rev 0x02: PM disabled pciide0 at pci0 dev 31 function 2 "Intel 82801GBM SATA" rev 0x02: DMA, channel 0 wired to compatibility, channel 1 wired to compatibility wd0 at pciide0 channel 0 drive 0: wd0: 1-sector PIO, LBA48, 122104MB, 250069680 sectors wd0(pciide0:0:0): using PIO mode 4, Ultra-DMA mode 6 ichiic0 at pci0 dev 31 function 3 "Intel 82801GB SMBus" rev 0x02: apic 2 int 19 iic0 at ichiic0 spdmem0 at iic0 addr 0x50: 2GB DDR2 SDRAM non-parity PC2-5300CL5 SO-DIMM usb1 at uhci0: USB revision 1.0 uhub1 at usb1 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb2 at uhci1: USB revision 1.0 uhub2 at usb2 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb3 at uhci2: USB revision 1.0 uhub3 at usb3 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 usb4 at uhci3: USB revision 1.0 uhub4 at usb4 configuration 1 interface 0 "Intel UHCI root hub" rev 1.00/1.00 addr 1 isa0 at ichpcib0 isadma0 at isa0 pckbc0 at isa0 port 0x60/5 irq 1 irq 12 pckbd0 at pckbc0 (kbd slot) wskbd0 at pckbd0: console keyboard pms0 at pckbc0 (aux slot) wsmouse0 at pms0 mux 0 pms0: Synaptics touchpad, firmware 7.0, 0x1a0b1 0xa00000 0x0 0xd04751 0x20000 pcppi0 at isa0 port 0x61 spkr0 at pcppi0 npx0 at isa0 port 0xf0/16: reported by CPUID; using exception 16 urtwn0 at uhub0 port 3 configuration 1 interface 0 "Realtek 802.11n WLAN Adapter" rev 2.00/2.00 addr 2 urtwn0: MAC/BB RTL8188CUS, RF 6052 1T1R, address 00:87:12:07:3c:e6 run0 at uhub0 port 4 configuration 1 interface 0 "Ralink 802.11 n WLAN" rev 2.00/1.01 addr 3 run0: MAC/BBP RT3070 (rev 0x0201), RF RT3020 (MIMO 1T1R), address 48:5d:60:2f:91:8d umass0 at uhub0 port 8 configuration 1 interface 0 "Generic USB2.0-CRW" rev 2.00/58.87 addr 4 umass0: using SCSI over Bulk-Only scsibus1 at umass0: 2 targets, initiator 0 sd0 at scsibus1 targ 1 lun 0: removable serial.0bda0158114173400000 vscsi0 at root scsibus2 at vscsi0: 256 targets softraid0 at root scsibus3 at softraid0: 256 targets root on wd0a (60edfdf827b9ccf6.a) swap on wd0b dump on wd0b inteldrm0: 1024x600, 32bpp wsdisplay0 at inteldrm0 mux 1: console (std, vt100 emulation), using wskbd0 wsdisplay0: screen 1-5 added (std, vt100 emulation) ---- I found that drmmode_load_cursor_argb_check() in /usr/xenocara/xserver/hw/xfree86/drivers/modesetting/drmmode_display.c, drmmode_crtc->cursor_bo->ptr is NULL. But I don't know why this is NULL. Hope this helps. -- SASANO Takayoshi (JG1UAA)