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Using sway, I often have a crash when launching a new terminal (kitty). Here is the callstack:
```
❯ sudo coredumpctl debug sway
PID: 122354 (sway)
UID: 1000 (qdii)
GID: 1000 (qdii)
Signal: 6 (ABRT)
Timestamp: Sun 2025-09-28 20:45:16 CEST (9min ago)
Command Line: sway --unsupported-gpu --verbose
Executable: /usr/bin/sway
Control Group: /user.slice/user-1000.slice/session-c1.scope
Unit: session-c1.scope
Slice: user-1000.slice
Session: c1
Owner UID: 1000 (qdii)
Boot ID: 71dba4ee7b47447c9760a28702ef2b71
Machine ID: aba73115a8564d2b9f37b6f82b9fef60
Hostname: limo.dodges.it
Storage: /var/lib/systemd/coredump/core.sway.1000.71dba4ee7b47447c9760a28702ef2b71.122354.1759085116000000.zst (present)
Size on Disk: 4.3M
Message: Process 122354 (sway) of user 1000 dumped core.
Stack trace of thread 122354:
#0 0x00007f9cbb89894c n/a (libc.so.6 + 0x9894c)
#1 0x00007f9cbb83e410 raise (libc.so.6 + 0x3e410)
#2 0x00007f9cbb82557a abort (libc.so.6 + 0x2557a)
#3 0x00007f9cbb8254e3 n/a (libc.so.6 + 0x254e3)
#4 0x00007f9cbbb8f533 n/a (libwlroots-0.19.so + 0x25533)
#5 0x00007f9cbbbdb367 n/a (libwlroots-0.19.so + 0x71367)
#6 0x00007f9cbbbdb712 n/a (libwlroots-0.19.so + 0x71712)
#7 0x00007f9cbbbdb94a n/a (libwlroots-0.19.so + 0x7194a)
#8 0x00007f9cbbbdb96f n/a (libwlroots-0.19.so + 0x7196f)
#9 0x00007f9cbbbdb96f n/a (libwlroots-0.19.so + 0x7196f)
#10 0x00007f9cbbbdb9dd wlr_scene_subsurface_tree_set_clip (libwlroots-0.19.so + 0x719dd)
#11 0x00005630fc6bf43a n/a (/usr/bin/sway + 0x6043a)
#12 0x00005630fc681907 n/a (/usr/bin/sway + 0x22907)
#13 0x00005630fc682633 n/a (/usr/bin/sway + 0x23633)
#14 0x00007f9cbbcae427 wl_event_loop_dispatch (libwayland-server.so.0 + 0xa427)
#15 0x00007f9cbbcb0297 wl_display_run (libwayland-server.so.0 + 0xc297)
#16 0x00005630fc66f0a3 n/a (/usr/bin/sway + 0x100a3)
#17 0x00007f9cbb827675 n/a (libc.so.6 + 0x27675)
#18 0x00007f9cbb827729 __libc_start_main (libc.so.6 + 0x27729)
#19 0x00005630fc66f4f5 n/a (/usr/bin/sway + 0x104f5)
Stack trace of thread 122372:
#0 0x00007f9cbb91876d syscall (libc.so.6 + 0x11876d)
#1 0x00007f9cbbea47ee g_cond_wait (libglib-2.0.so.0 + 0x8f7ee)
#2 0x00007f9cbbe3b1cd n/a (libglib-2.0.so.0 + 0x261cd)
#3 0x00007f9cbbe3b23d g_async_queue_pop (libglib-2.0.so.0 + 0x2623d)
#4 0x00007f9cbb03a51c n/a (libpangoft2-1.0.so.0 + 0xc51c)
#5 0x00007f9cbbeac87c n/a (libglib-2.0.so.0 + 0x9787c)
#6 0x00007f9cbb8969cb n/a (libc.so.6 + 0x969cb)
#7 0x00007f9cbb91aa0c n/a (libc.so.6 + 0x11aa0c)
ELF object binary architecture: AMD x86-64
GNU gdb (GDB) 16.3
Copyright (C) 2024 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
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Type "show configuration" for configuration details.
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<https://www.gnu.org/software/gdb/bugs/>.
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Reading symbols from /usr/bin/sway...
(No debugging symbols found in /usr/bin/sway)
warning: Can't open file /memfd:/.glXXXXXX (deleted) during file-backed mapping note processing
warning: Can't open file /memfd:wayland-cursor (deleted) during file-backed mapping note processing
warning: Can't open file /memfd:wayland-shm (deleted) during file-backed mapping note processing
warning: Can't open file /memfd:gdk-wayland (deleted) during file-backed mapping note processing
[New LWP 122354]
[New LWP 122372]
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/usr/lib/libthread_db.so.1".
Core was generated by `/sbin/sway --unsupported-gpu --verbose'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007f9cbb89894c in ?? () from /usr/lib/libc.so.6
[Current thread is 1 (Thread 0x7f9cbad41a00 (LWP 122354))]
warning: File "/home/qdii/.gdbinit" auto-loading has been declined by your `auto-load safe-path' set to "$debugdir:$datadir/auto-load".
To enable execution of this file add
add-auto-load-safe-path /home/qdii/.gdbinit
line to your configuration file "/root/.config/gdb/gdbinit".
To completely disable this security protection add
set auto-load safe-path /
line to your configuration file "/root/.config/gdb/gdbinit".
For more information about this security protection see the
"Auto-loading safe path" section in the GDB manual. E.g., run from the shell:
info "(gdb)Auto-loading safe path"
(gdb) bt
#0 0x00007f9cbb89894c in ??? () at /usr/lib/libc.so.6
#1 0x00007f9cbb83e410 in raise () at /usr/lib/libc.so.6
#2 0x00007f9cbb82557a in abort () at /usr/lib/libc.so.6
#3 0x00007f9cbb8254e3 in ??? () at /usr/lib/libc.so.6
#4 0x00007f9cbbb8f533 in wlr_linux_drm_syncobj_v1_state_signal_release_with_buffer (state=<optimized out>, buffer=<optimized out>) at ../wlroots0.19/types/wlr_linux_drm_syncobj_v1.c:490
#5 0x00007f9cbbbdb367 in surface_reconfigure (scene_surface=scene_surface@entry=0x563117354e40) at ../wlroots0.19/types/scene/surface.c:208
#6 0x00007f9cbbbdb712 in scene_surface_set_clip (surface=0x563117354e40, clip=0x7ffd9c384c80) at ../wlroots0.19/types/scene/surface.c:343
#7 scene_surface_set_clip (surface=0x563117354e40, clip=0x7ffd9c384c80) at ../wlroots0.19/types/scene/surface.c:332
#8 subsurface_tree_reconfigure_clip (subsurface_tree=subsurface_tree@entry=0x5631174829c0) at ../wlroots0.19/types/scene/subsurface_tree.c:97
#9 0x00007f9cbbbdb94a in subsurface_tree_set_clip (node=node@entry=0x563117472780, clip=clip@entry=0x7ffd9c384d70) at ../wlroots0.19/types/scene/subsurface_tree.c:350
#10 0x00007f9cbbbdb96f in subsurface_tree_set_clip (node=node@entry=0x56311751b130, clip=clip@entry=0x7ffd9c384d70) at ../wlroots0.19/types/scene/subsurface_tree.c:356
#11 0x00007f9cbbbdb96f in subsurface_tree_set_clip (node=<optimized out>, clip=0x7ffd9c384d70) at ../wlroots0.19/types/scene/subsurface_tree.c:356
#12 0x00007f9cbbbdb9dd in wlr_scene_subsurface_tree_set_clip (node=<optimized out>, clip=<optimized out>) at ../wlroots0.19/types/scene/subsurface_tree.c:367
#13 0x00005630fc6bf43a in ??? ()
#14 0x00005630fc681907 in ??? ()
#15 0x00005630fc682633 in ??? ()
#16 0x00007f9cbbcae427 in wl_event_loop_dispatch () at /usr/lib/libwayland-server.so.0
#17 0x00007f9cbbcb0297 in wl_display_run () at /usr/lib/libwayland-server.so.0
#18 0x00005630fc66f0a3 in ??? ()
#19 0x00007f9cbb827675 in ??? () at /usr/lib/libc.so.6
#20 0x00007f9cbb827729 in __libc_start_main () at /usr/lib/libc.so.6
#21 0x00005630fc66f4f5 in ??? ()
(gdb)
```
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