*** This bug is a duplicate of bug 1731911 ***
https://bugs.launchpad.net/bugs/1731911
This is probably a duplicate of 1728588 (which itself is marked as a
duplicate of 1731911).
apport-retrace gives me this Xwayland stack trace:
(gdb) bt
#0 __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:51
#1 0x00007fce6a322f5d in __GI_abort () at abort.c:90
#2 0x0000558934f5713a in OsAbort () at ../../../../os/utils.c:1361
#3 0x0000558934f5cc53 in AbortServer () at ../../../../os/log.c:877
#4 0x0000558934f5da75 in FatalError (f=f@entry=0x558934f66fa6 "%s") at
../../../../os/log.c:1015
#5 0x0000558934de2e6c in xwl_log_handler (format=<optimized out>,
args=<optimized out>) at ../../../../../hw/xwayland/xwayland.c:885
#6 0x00007fce6c7728ca in wl_log (fmt=<optimized out>) at
../src/wayland-util.c:406
#7 0x00007fce6c76e2d8 in display_handle_error (data=<optimized out>,
display=0x558935d07e30, object=0x558935d0c300, code=0, message=<optimized out>)
at ../src/wayland-client.c:810
#8 0x00007fce69c60e18 in ffi_call_unix64 () at ../src/x86/unix64.S:76
#9 0x00007fce69c6087a in ffi_call (cif=cif@entry=0x7ffd318ba470, fn=<optimized
out>, rvalue=<optimized out>, rvalue@entry=0x0,
avalue=avalue@entry=0x7ffd318ba540) at ../src/x86/ffi64.c:525
#10 0x00007fce6c771a1b in wl_closure_invoke (closure=<optimized out>,
flags=<optimized out>, target=<optimized out>, opcode=0, data=<optimized out>)
at ../src/connection.c:935
#11 0x00007fce6c76e5b8 in dispatch_event (display=display@entry=0x558935d07e30,
queue=<optimized out>) at ../src/wayland-client.c:1310
#12 0x00007fce6c76f847 in dispatch_queue (queue=0x558935d07ef8,
display=0x558935d07e30) at ../src/wayland-client.c:1449
#13 wl_display_dispatch_queue_pending (display=0x558935d07e30,
queue=0x558935d07ef8) at ../src/wayland-client.c:1698
#14 0x00007fce6c76f8cc in wl_display_dispatch_pending (display=<optimized out>)
at ../src/wayland-client.c:1761
#15 0x0000558934de341b in xwl_read_events (xwl_screen=0x558935cffa40) at
../../../../../hw/xwayland/xwayland.c:598
#16 0x0000558934f54cb1 in ospoll_wait (ospoll=0x558935cf4a20,
timeout=<optimized out>) at ../../../../os/ospoll.c:412
#17 0x0000558934f4dcbb in WaitForSomething (are_ready=<optimized out>) at
../../../../os/WaitFor.c:226
#18 0x0000558934f199f3 in Dispatch () at ../../../../dix/dispatch.c:422
#19 0x0000558934f1dc90 in dix_main (argc=11, argv=0x7ffd318bb4f8,
envp=<optimized out>) at ../../../../dix/main.c:287
#20 0x00007fce6a30b1c1 in __libc_start_main (main=0x558934de2a60 <main>,
argc=11, argv=0x7ffd318bb4f8, init=<optimized out>, fini=<optimized out>,
rtld_fini=<optimized out>, stack_end=0x7ffd318bb4e8) at
../csu/libc-start.c:308
#21 0x0000558934de2a9a in _start ()
** This bug has been marked a duplicate of bug 1731911
Xwayland crashed with SIGABRT in OsAbort() from AbortServer() from
FatalError() from xwl_read_events() from ospoll_wait()
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https://bugs.launchpad.net/bugs/1747910
Title:
Crashes on DP hotplug (wl_registry@2: error 0: invalid global
wl_output (29))
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