Attachment 11749 Details for Bug 26942 – Backtrace from second segfault (starting Xorg session)

Backtrace from second segfault (starting Xorg session)

backtrace-xorg.txt (text/plain), 2.39 KB, created by Martin Whitaker on 2020-07-13 10:16:17 CEST

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Creator: Martin Whitaker

Created: 2020-07-13 10:16:17 CEST

Size: 2.39 KB

patch

obsolete

>Core was generated by `/usr/bin/gnome-shell'.
>Program terminated with signal SIGSEGV, Segmentation fault.
>#0  0xb6bbf7a4 in meta_gpu_get_backend (gpu=0x0) at ../src/backends/meta-gpu.c:98
>98	  return priv->backend;
>[Current thread is 1 (Thread 0xb2e7f040 (LWP 1693))]
>(gdb) bt
>#0  0xb6bbf7a4 in meta_gpu_get_backend (gpu=0x0) at ../src/backends/meta-gpu.c:98
>#1  0xb6be851e in xdisplay_from_gpu (gpu=<optimized out>) at ../src/backends/x11/meta-output-xrandr.c:59
>#2  xdisplay_from_output (output=output@entry=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:71
>#3  0xb6be92d6 in output_get_boolean_property (propname=0xb6ccad11 "_MUTTER_PRESENTATION_OUTPUT", output=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:281
>#4  output_get_presentation_xrandr (output=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:281
>#5  meta_output_xrandr_new (gpu_xrandr=<optimized out>, xrandr_output=<optimized out>, output_id=<optimized out>, primary_output=<optimized out>)
>    at ../src/backends/x11/meta-output-xrandr.c:886
>#6  0xb6bdeacb in meta_gpu_xrandr_read_current (gpu=0x8bafa10, error=0xbfcd234c) at ../src/backends/x11/meta-gpu-xrandr.c:201
>#7  0xb6bbf759 in meta_gpu_read_current (gpu=0x8bafa10, error=0xbfcd234c) at ../src/backends/meta-gpu.h:31
>#8  0xb6bd0924 in meta_monitor_manager_real_read_current_state (manager=0x8c13828) at ../src/backends/meta-monitor-manager.c:2755
>#9  0xb6be6de6 in meta_monitor_manager_xrandr_read_current_state (manager=0x8c13828) at ../src/backends/x11/meta-monitor-manager-xrandr.c:158
>#10 0xb6bd431c in meta_monitor_manager_setup (manager=0x8c13828) at ../src/backends/meta-monitor-manager.c:758
>#11 0xb6bba0e2 in meta_backend_real_post_init (backend=0x8baf148) at ../src/backends/meta-backend.c:518
>#12 0xb6bdc842 in meta_backend_x11_post_init (backend=0x8baf148) at ../src/meta/meta-backend.h:36
>#13 0xb6bdafdc in meta_backend_x11_cm_post_init (backend=0x8baf148) at ../src/backends/x11/cm/meta-backend-x11-cm.c:90
>#14 0xb6bbac13 in meta_backend_post_init (backend=0x8baf148) at ../src/backends/meta-backend.c:1008
>#15 meta_backend_initable_init (initable=0x8baf148, cancellable=0x0, error=0xbfcd252c) at ../src/backends/meta-backend.c:1008
>#16 0xb6bbb213 in meta_init_backend (backend_gtype=146462144) at ../src/backends/meta-backend.c:1361
>#17 0xb6c1c197 in meta_init () at ../src/core/main.c:594
>#18 0x0804a556 in main (argc=<optimized out>, argv=<optimized out>) at ../src/main.c:513
>

Core was generated by `/usr/bin/gnome-shell'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0xb6bbf7a4 in meta_gpu_get_backend (gpu=0x0) at ../src/backends/meta-gpu.c:98
98	  return priv->backend;
[Current thread is 1 (Thread 0xb2e7f040 (LWP 1693))]
(gdb) bt
#0  0xb6bbf7a4 in meta_gpu_get_backend (gpu=0x0) at ../src/backends/meta-gpu.c:98
#1  0xb6be851e in xdisplay_from_gpu (gpu=<optimized out>) at ../src/backends/x11/meta-output-xrandr.c:59
#2  xdisplay_from_output (output=output@entry=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:71
#3  0xb6be92d6 in output_get_boolean_property (propname=0xb6ccad11 "_MUTTER_PRESENTATION_OUTPUT", output=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:281
#4  output_get_presentation_xrandr (output=0x8bac720) at ../src/backends/x11/meta-output-xrandr.c:281
#5  meta_output_xrandr_new (gpu_xrandr=<optimized out>, xrandr_output=<optimized out>, output_id=<optimized out>, primary_output=<optimized out>)
    at ../src/backends/x11/meta-output-xrandr.c:886
#6  0xb6bdeacb in meta_gpu_xrandr_read_current (gpu=0x8bafa10, error=0xbfcd234c) at ../src/backends/x11/meta-gpu-xrandr.c:201
#7  0xb6bbf759 in meta_gpu_read_current (gpu=0x8bafa10, error=0xbfcd234c) at ../src/backends/meta-gpu.h:31
#8  0xb6bd0924 in meta_monitor_manager_real_read_current_state (manager=0x8c13828) at ../src/backends/meta-monitor-manager.c:2755
#9  0xb6be6de6 in meta_monitor_manager_xrandr_read_current_state (manager=0x8c13828) at ../src/backends/x11/meta-monitor-manager-xrandr.c:158
#10 0xb6bd431c in meta_monitor_manager_setup (manager=0x8c13828) at ../src/backends/meta-monitor-manager.c:758
#11 0xb6bba0e2 in meta_backend_real_post_init (backend=0x8baf148) at ../src/backends/meta-backend.c:518
#12 0xb6bdc842 in meta_backend_x11_post_init (backend=0x8baf148) at ../src/meta/meta-backend.h:36
#13 0xb6bdafdc in meta_backend_x11_cm_post_init (backend=0x8baf148) at ../src/backends/x11/cm/meta-backend-x11-cm.c:90
#14 0xb6bbac13 in meta_backend_post_init (backend=0x8baf148) at ../src/backends/meta-backend.c:1008
#15 meta_backend_initable_init (initable=0x8baf148, cancellable=0x0, error=0xbfcd252c) at ../src/backends/meta-backend.c:1008
#16 0xb6bbb213 in meta_init_backend (backend_gtype=146462144) at ../src/backends/meta-backend.c:1361
#17 0xb6c1c197 in meta_init () at ../src/core/main.c:594
#18 0x0804a556 in main (argc=<optimized out>, argv=<optimized out>) at ../src/main.c:513

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Attachments on bug 26942: 11748 | 11749 | 11751