System Environment: -------------------------- Arch: i386 Libdrm: (master)libdrm-2.4.35-11-ga1d462d2a6f720538eaf1199a94dd27cd04e8a54 Wayland: (master)67e16be8aa9408d77dc291d9accb238fb9422c94 Mesa: (master)2f8351a5ac7bb04482eebaa73d967f7527df4d18 Xserver: (master) xorg-server-1.12.0-232-g8dc70acbf3d82611ac9ec1ec2a52edcc01934850 Xf86_video_intel: 2.19.0-317-g38f06a351fdd35fa5c6136e9a25e034a812a94c2 Cairo: (master) dbc0efad7e565558a3abf7f69d7675efddc4688d Cairo_gl: (master) 35e4ffd91cc73fb17c47a12010f515941d6f4d3d Xkbcommon: (master) 6992de408a890be7bd66f7d829dc84eb9c4b81a6 Weston: (master) 8fe8d24902a423cb34e2336321a1b5854793b132 Kernel_unstable: (drm-intel-next-queued) e3f33d46fd917747e966f8e6d25f2940223ad1ee Bug detailed description: ----------------------------- Start weston under drm mode, then run weston-terminal. Click weston-terminal and type "ls" and "enter". Nearly at the same time, press "ctrl+shift+c", then weston crash with the following info: [14:05:20.590] [000000000804d36a] -- (./weston) [14:05:20.590] [00000000b77d340c] __kernel_rt_sigreturn () [14:05:20.590] [0000000008054108] -- (./weston) [14:05:20.590] [00000000080541cf] -- (./weston) [14:05:20.590] [00000000b779122e] wl_seat_set_selection (/opt/X11R7/lib/libw ayland-server.so.0) [14:05:20.590] [00000000b77912b5] -- (/opt/X11R7/lib/libwayland-server.so.0) [14:05:20.590] [0000000046a89447] ffi_call_SYSV (/usr/lib/libffi.so.5) [14:05:20.590] [0000000046a891c0] ffi_call (/usr/lib/libffi.so.5) [14:05:20.590] [00000000b77930a3] -- (/opt/X11R7/lib/libwayland-server.so.0) [14:05:20.590] [00000000b778ead1] -- (/opt/X11R7/lib/libwayland-server.so.0) [14:05:20.590] [00000000b77913c2] -- (/opt/X11R7/lib/libwayland-server.so.0) [14:05:20.590] [00000000b7791c0a] wl_event_loop_dispatch (/opt/X11R7/lib/lib wayland-server.so.0) [14:05:20.590] [00000000b778f9a2] wl_display_run (/opt/X11R7/lib/libwayland- server.so.0) [14:05:20.590] [000000000804cd9f] -- (./weston) [14:05:20.590] [00000000466373f3] __libc_start_main (/lib/libc.so.6) [14:05:20.590] [000000000804cedd] -- (./weston) ps. 1. The time interval of two operations "ls+enter" and "ctrl+shift+c" should within 1 second. 2. This bug can not be reproduced every time, if it doesn't happen, restart weston. The reproduce rate is more or less 70%. The bug can only be reproduced under drm mode, With X mode, it is normal. Reproduce steps: ---------------------------- 1. Start weston under drm mode. 2. Start weston-terminal. 3. Click weston-terminal. 4. Type "ls" and "Enter" and instantly press "ctrl+shift+c".
Backtraces: (gdb) bt #0 clipboard_source_unref (source=0x1) at clipboard.c:57 #1 0x080541cf in clipboard_set_selection (listener=0x81512cc, data=0x8137108) at clipboard.c:228 #2 0xb7fbd22e in wl_signal_emit (data=0x8137108, signal=0x8137138) at wayland-server.h:166 #3 wl_seat_set_selection (seat=0x8137108, source=0x8169408, serial=29) at data-device.c:393 #4 0xb7fbd2b5 in data_device_set_selection (client=0x8162c70, resource=0x8208098, source_resource=0x8169408, serial=29) at data-device.c:412 #5 0x46a89447 in ffi_call_SYSV () from /usr/lib/libffi.so.5 #6 0x46a891c0 in ffi_call () from /usr/lib/libffi.so.5 #7 0xb7fbf0a3 in wl_closure_invoke (closure=0x81b8d38, target=0x8208098, func=0xb7fbd280 <data_device_set_selection>, data=0x8162c70) at connection.c:773 #8 0xb7fbaad1 in wl_client_connection_data (fd=43, mask=1, data=0x8162c70) at wayland-server.c:253 #9 0xb7fbd3c2 in wl_event_source_fd_dispatch (source=0x8162cc8, ep=0xbfffeee4) at event-loop.c:79 #10 0xb7fbdc0a in wl_event_loop_dispatch (loop=0x805d4d0, timeout=-1) at event-loop.c:410 #11 0xb7fbb9a2 in wl_display_run (display=0x805d4a0) at wayland-server.c:1045 #12 0x0804cd9f in main (argc=<optimized out>, argv=0xbffff4b4) at compositor.c:3384
With Weston commit e28fd7d5e0175ebda27d05a24a1201722722b6f7, I found I can reproduce the bug under X mode. Also the reproduce rate is 70%. FYI.
Should be fixed by: commit 340a4343d0755bb918b98743cbe3da9e65433d33 Author: Rafal Mielniczuk <rafal.mielniczuk2@gmail.com> Date: Sat Jun 30 18:33:34 2012 +0200 clipboard: initialise clipboard memory after creation In case we don't, weston segfault in clipboard_set_selection on: if (clipboard->source) clipboard_source_unref(clipboard->source);
This bug has been closed at Weston commit 340a4343d0755bb918b98743cbe3da9e65433d33 Mark this as RESOLVED AND FIXED.
Mark this as VERIFIED AND FIXED.
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