Bug#985197: gdb bt
coredumpctl gdb 1920
PID: 1920 (kwin_wayland)
UID: 1000 (myname)
GID: 1000 (myname)
Signal: 11 (SEGV)
Timestamp: Sun 2021-04-04 09:10:40 CEST (7min ago)
Command Line: /usr/bin/kwin_wayland --xwayland --exit-with-session=/usr/lib/
x86_64-linux-gnu/libexec/startplasma-waylandsession
Executable: /usr/bin/kwin_wayland
Control Group: /user.slice/user-1000.slice/session-3.scope
Unit: session-3.scope
Slice: user-1000.slice
Session: 3
Owner UID: 1000 (myname)
Boot ID: 0ae3171f524a465e9acb992a202f814b
Machine ID: f72ae64cabdcedd770963755524c666b
Hostname: systemname
Storage: /var/lib/systemd/coredump/core.kwin_wayland.
1000.0ae3171f524a465e9acb992a202f814b.1920.1617520240000000.zst (truncated)
Message: Process 1920 (kwin_wayland) of user 1000 dumped core.
Stack trace of thread 1920:
#0 0x00007f65188b9268 n/a (n/a + 0x0)
GNU gdb (Debian 10.1-1.7) 10.1.90.20210103-git
Copyright (C) 2021 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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Reading symbols from /usr/bin/kwin_wayland...
(No debugging symbols found in /usr/bin/kwin_wayland)
BFD: warning: /tmp/user/1000/coredump-ySV5m6 is truncated: expected core file
size >= 2365169664, found: 2147483648
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 anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /tmp/#730 (deleted) during file-backed mapping note
processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /tmp/#164 (deleted) during file-backed mapping note
processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /run/user/1000/xwayland-shared-P4Yrw8 (deleted) during
file-backed mapping note processing
warning: Can't open file /run/user/1000/xwayland-shared-ioLr48 (deleted) during
file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /memfd:JSGCHeap:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file /memfd:JSVMStack:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file /tmp/#110 (deleted) during file-backed mapping note
processing
warning: Can't open file /memfd:unknown-usage:QtQml (deleted) during file-backed
mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
warning: Can't open file anon_inode:i915.gem which was expanded to
anon_inode:i915.gem during file-backed mapping note processing
[New LWP 1920]
[New LWP 1921]
[New LWP 1922]
[New LWP 1923]
[New LWP 1929]
[New LWP 1926]
[New LWP 1924]
[New LWP 1925]
[New LWP 1927]
[New LWP 1932]
Cannot access memory at address 0x7f6518ff0088
Cannot access memory at address 0x7f6518ff0080
Failed to read a valid object file image from memory.
Core was generated by `/usr/bin/kwin_wayland --xwayland --exit-with-session=/
usr/lib/x86_64-linux-gnu/'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0 0x00007f65188b9268 in ?? ()
[Current thread is 1 (LWP 1920)]
(gdb) set pagination off
(gdb) bt
#0 0x00007f65188b9268 in ?? ()
Backtrace stopped: Cannot access memory at address 0x7ffe4826c860
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