<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Hard lock when unplugging and reconnecting external USB-C DP display" href="https://bugs.freedesktop.org/show_bug.cgi?id=103474#c17">Comment # 17</a> on <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Hard lock when unplugging and reconnecting external USB-C DP display" href="https://bugs.freedesktop.org/show_bug.cgi?id=103474">bug 103474</a> from <a class="email" href="mailto:daniel.playfair.cal@gmail.com" title="Daniel Playfair Cal <daniel.playfair.cal@gmail.com>"> Daniel Playfair Cal</a> <pre>I just experienced this again In case its useful, I just experienced a system crash as per <a class="bz_bug_link bz_status_REOPENED " title="REOPENED - Hard lock when unplugging and reconnecting external USB-C DP display" href="show_bug.cgi?id=103474">https://bugs.freedesktop.org/show_bug.cgi?id=103474</a> There is no "invalid global wl_output" in the logs, but the stacktrace is similar. It happenned while I was debugging this issue: <a href="https://gitlab.gnome.org/GNOME/mutter/issues/122">https://gitlab.gnome.org/GNOME/mutter/issues/122</a># System log with drm.debug=0xff: <a href="https://www.dropbox.com/s/82gkxjctnt86t4v/log_mutter_flash.txt?dl=0">https://www.dropbox.com/s/82gkxjctnt86t4v/log_mutter_flash.txt?dl=0</a> Xwayland stack trace: #0 0x00007fa18dc14860 in raise () from /usr/lib/libc.so.6 No symbol table info available. #1 0x00007fa18dc15ec9 in abort () from /usr/lib/libc.so.6 No symbol table info available. #2 0x00005568fb9f3cda in OsAbort () No symbol table info available. #3 0x00005568fb9f97f3 in ?? () No symbol table info available. #4 0x00005568fb9fa615 in FatalError () No symbol table info available. #5 0x00005568fb88560c in ?? () No symbol table info available. #6 0x00007fa18fc1381c in wl_log (fmt=<optimized out>) at src/wayland-util.c:406 argp = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7ffcd8e13950, reg_save_area = 0x7ffcd8e13890}} #7 0x00007fa18fc0fb1a in display_handle_error (data=<optimized out>, display=0x5568fd193ad0, object=0x5568fd197fa0, code=0, message=<optimized out>) at src/wayland-client.c:810 proxy = 0x5568fd197fa0 object_id = <optimized out> interface = <optimized out> #8 0x00007fa18d38017e in ffi_call_unix64 () at ../src/x86/unix64.S:76 No locals. #9 0x00007fa18d37faef in ffi_call (cif=cif@entry=0x7ffcd8e13a80, fn=<optimized out>, rvalue=<optimized out>, rvalue@entry=0x0, avalue=avalue@entry=0x7ffcd8e13b50) at ../src/x86/ffi64.c:525 classes = {X86_64_INTEGER_CLASS, X86_64_NO_CLASS, X86_64_SSE_CLASS, X86_64_NO_CLASS} stack = <optimized out> argp = <optimized out> arg_types = <optimized out> gprcount = 5 ssecount = <optimized out> ngpr = 1 nsse = 0 i = <optimized out> avn = <optimized out> ret_in_memory = <optimized out> reg_args = <optimized out> #10 0x00007fa18fc12399 in wl_closure_invoke (closure=0x5568fde2f810, flags=1, target=<optimized out>, opcode=0, data=<optimized out>) at src/connection.c:935 count = <optimized out> cif = {abi = FFI_UNIX64, nargs = 5, arg_types = 0x7ffcd8e13aa0, rtype = 0x7fa18d380570 <ffi_type_void>, bytes = 0, flags = 0} ffi_types = {0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d3804d0 <ffi_type_uint32>, 0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d3804b0 <ffi_type_sint32>, 0x7fa18d3804b0 <ffi_type_sint32>, 0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d380450 <ffi_type_pointer>, 0x7fa18d3804b0 <ffi_type_sint32>, 0x0, 0x0, 0x50000, 0xffffffffffffffff, 0x0, 0x7fa18dfa8a68 <recvmsg+104>, 0x34, 0x3, 0x34, 0x5568fd193c40, 0x34, 0x7fa18fc111ac <wl_buffer_copy+112>} ffi_args = {0x7ffcd8e13a70, 0x7ffcd8e13a78, 0x5568fde2f828, 0x5568fde2f830, 0x5568fde2f838, 0x7fa18fc114eb <wl_connection_copy+9>, 0x34, 0x7fa18fc13013 <wl_connection_demarshal+1205>, 0x7ffcd8e13bd0, 0x5568fde2f914, 0x5568fd193c40, 0x25b, 0x7fa18fe17d20 <wl_display_events>, 0x5568fd193b48, 0x34, 0x7fa18fc121e0 <wl_closure_lookup_objects+160>, 0x5568fd193b48, 0x7fa18fe17d20 <wl_display_events>, 0x4b673, 0x7fa18fc0f6aa <increase_closure_args_refcount+74>, 0xfdf2d273, 0xfefc75eb563b5d00} implementation = <optimized out> #11 0x00007fa18fc0ff7a in dispatch_event (display=display@entry=0x5568fd193ad0, queue=queue@entry=0x5568fd193b80) at src/wayland-client.c:1310 closure = 0x5568fde2f810 proxy = 0x5568fd193ad0 opcode = 0 proxy_destroyed = <optimized out> #12 0x00007fa18fc0ffbe in dispatch_queue (display=display@entry=0x5568fd193ad0, queue=queue@entry=0x5568fd193b98) at src/wayland-client.c:1449 count = 0 #13 0x00007fa18fc10c52 in wl_display_dispatch_queue_pending (display=0x5568fd193ad0, queue=0x5568fd193b98) at src/wayland-client.c:1698 ret = <optimized out> #14 0x00007fa18fc10c73 in wl_display_dispatch_pending (display=<optimized out>) at src/wayland-client.c:1761 No locals. #15 0x00005568fb885bbb in ?? () No symbol table info available. #16 0x00005568fb9f1851 in ?? () No symbol table info available. #17 0x00005568fb9ea6fb in WaitForSomething () No symbol table info available. #18 0x00005568fb9b6503 in ?? () No symbol table info available. #19 0x00005568fb9ba7a0 in ?? () No symbol table info available. #20 0x00007fa18dc00f4a in __libc_start_main () from /usr/lib/libc.so.6 No symbol table info available. #21 0x00005568fb88523a in _start () No symbol table info available.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are on the CC list for the bug.</li> <li>You are the assignee for the bug.</li> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>