https://bugs.kde.org/show_bug.cgi?id=436700
--- Comment #8 from Romans Shvets <pom...@gmail.com> ---
Got it, thanks!
➜ ~ coredumpctl 3247
Unknown command verb 3247.
➜ ~ coredumpctl debug 3247
PID: 3247 (kwin_wayland)
UID: 1000 (pomaxa)
GID: 1000 (pomaxa)
Signal: 6 (ABRT)
Timestamp: Mon 2021-05-10 15:23:00 EEST (4h 59min ago)
Command Line: kwin_wayland --wayland_fd 4 --xwayland
/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 (pomaxa)
Boot ID: f3d223b4b31e412aa1ca8ff4715da4a3
Machine ID: 3e62459180a14d6388629a98cb537065
Hostname: MS7C84
Storage:
/var/lib/systemd/coredump/core.kwin_wayland.1000.f3d223b4b31e412aa1ca8ff4715da4a3.3247.1620649380000000.zst
(truncated)
Message: Process 3247 (kwin_wayland) of user 1000 dumped core.
Stack trace of thread 3247:
#0 0x00007ff092766fbb n/a (n/a + 0x0)
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Reading symbols from /usr/bin/kwin_wayland...
(No debugging symbols found in /usr/bin/kwin_wayland)
BFD: warning: /var/tmp/coredump-Od4mEu is truncated: expected core file
size >= 2825560064, found: 2147483648
warning: Can't open file /memfd:wayland-shm (deleted) 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 /memfd:gdk-wayland (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:JITCode:QtQml (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 /tmp/#44304042 (deleted) during file-backed
mapping note processing
warning: Can't open file /memfd:xwayland-shared (deleted) during
file-backed mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.1 (deleted) during
file-backed mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.0 (deleted) during
file-backed mapping note processing
warning: Can't open file /tmp/#44304054 (deleted) during file-backed
mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.2 (deleted) during
file-backed mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.5 (deleted) during
file-backed mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.4 (deleted) during
file-backed mapping note processing
warning: Can't open file /dev/shm/wayland.mozilla.ipc.3 (deleted) during
file-backed mapping note processing
warning: Can't open file /tmp/#44303609 (deleted) during file-backed
mapping note processing
warning: Can't open file /tmp/#44303571 (deleted) during file-backed
mapping note processing
warning: Can't open file /tmp/#44302368 (deleted) during file-backed
mapping note processing
[New LWP 3247]
[New LWP 3472]
[New LWP 3326]
[New LWP 3460]
[New LWP 3465]
[New LWP 3467]
[New LWP 3345]
[New LWP 3464]
[New LWP 3463]
[New LWP 3476]
[New LWP 3469]
[New LWP 3311]
[New LWP 3461]
[New LWP 3473]
[New LWP 3468]
[New LWP 3471]
[New LWP 3478]
[New LWP 3462]
[New LWP 3470]
[New LWP 3520]
[New LWP 8018]
[New LWP 3466]
[New LWP 3482]
[New LWP 3492]
[New LWP 3475]
[New LWP 3477]
[New LWP 3484]
[New LWP 3485]
[New LWP 3480]
[New LWP 3481]
[New LWP 3479]
[New LWP 3489]
[New LWP 3487]
[New LWP 22856]
[New LWP 3491]
[New LWP 3490]
[New LWP 3474]
[New LWP 3582]
[New LWP 3483]
[New LWP 22857]
[New LWP 3488]
[New LWP 3486]
warning: Error reading shared library list entry at 0x78627225403820
warning: Error reading shared library list entry at 0x2dcdb00000000
Failed to read a valid object file image from memory.
Core was generated by `kwin_wayland --wayland_fd 4 --xwayland
/usr/lib/x86_64-linux-gnu/libexec/startp'.
Program terminated with signal SIGABRT, Aborted.
#0 0x00007ff092766fbb in ?? ()
[Current thread is 1 (LWP 3247)]
(gdb)
On Mon, May 10, 2021 at 3:47 PM Alois Wohlschlager <bugzilla_nore...@kde.org>
wrote:
> https://bugs.kde.org/show_bug.cgi?id=436700
>
> --- Comment #7 from Alois Wohlschlager <alo...@gmx-topmail.de> ---
> I'm sorry, you don't have a useful coredump because I forgot to mention one
> step. Please edit the file /etc/systemd/coredump.conf the following way:
>
> * Find a line like "#ExternalSizeMax=2G".
> * Replace it with "ExternalSizeMax=6G" (do not include the quote signs).
>
> After that, try to make it crash again. Then, run "coredumpctl" again and
> note
> the PID column of kwin_wayland (it was 3247 in your example). Run
> "coredumpctl
> debug PID" where you replace PID with that number. Then enter "bt" when
> the GDB
> prompt appears and copy the backtrace that appears.
>
> --
> You are receiving this mail because:
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