| Summary: | SIGSEGV in notify_output_destroy during weston shutdown | ||
|---|---|---|---|
| Product: | Wayland | Reporter: | U. Artie Eoff <ullysses.a.eoff> |
| Component: | weston | Assignee: | Wayland bug list <wayland-bugs> |
| Status: | VERIFIED FIXED | QA Contact: | |
| Severity: | critical | ||
| Priority: | medium | ||
| Version: | unspecified | ||
| Hardware: | Other | ||
| OS: | All | ||
| Whiteboard: | |||
| i915 platform: | i915 features: | ||
| Attachments: | gdb backtrace | ||
Valgrind indicates the evdev's have already been destroyed: ==16962== Invalid read of size 8 ==16962== at 0x4E43D44: wl_list_insert (wayland-util.c:47) ==16962== by 0x78614A4: wl_signal_add (wayland-server.h:223) ==16962== by 0x78636DB: evdev_device_set_output (evdev.c:620) ==16962== by 0x7863660: notify_output_destroy (evdev.c:608) ==16962== by 0x407B7E: wl_signal_emit (wayland-server.h:260) ==16962== by 0x411322: weston_output_destroy (compositor.c:3196) ==16962== by 0x785ACF3: drm_output_destroy (compositor-drm.c:1149) ==16962== by 0x412C8D: weston_compositor_shutdown (compositor.c:3738) ==16962== by 0x785EAA7: drm_destroy (compositor-drm.c:2344) ==16962== by 0x413EBB: main (compositor.c:4283) ==16962== Address 0xd3ca348 is 56 bytes inside a block of size 384 free'd ==16962== at 0x4C28577: free (in /usr/lib64/valgrind/vgpreload_memcheck-amd64-linux.so) ==16962== by 0x7863B21: evdev_device_destroy (evdev.c:705) ==16962== by 0x7860E2C: udev_input_remove_devices (udev-seat.c:291) ==16962== by 0x7860F3B: udev_input_disable (udev-seat.c:310) ==16962== by 0x7861021: udev_input_destroy (udev-seat.c:335) ==16962== by 0x785EA69: drm_destroy (compositor-drm.c:2337) ==16962== by 0x413EBB: main (compositor.c:4283) commit 8259728a569e973a8895b919ba057740a813f52a Author: Kristian Høgsberg <krh@bitplanet.net> Date: Wed Jan 22 11:03:50 2014 -0800 evdev: Remove output destroy notifier on device destroy Fixes: https://bugs.freedesktop.org/show_bug.cgi?id=73895 |
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Created attachment 92539 [details] gdb backtrace When a touch device is mapped to an output, Weston crashes during shutdown in the notify_output_destroy listener. See gdb backtrace systemd (master) heads/master-0-g607553f wayland (master) heads/master-0-g47bbc6b drm (master) libdrm-2.4.50-0-g4c5de72 mesa (master) heads/master-0-g4cd8011 libva (master) libva-1.2.1-0-g88ed1eb intel-driver (master) 1.2.1-0-g8f306e3 weston (master) 1.3.93-0-g7cccfca