https://bugs.kde.org/show_bug.cgi?id=458636
--- Comment #1 from Yaroslav Sidlovsky <zawer...@gmail.com> ---
Additional output from gdb:
```
(gdb) frame 1
#1 0x00007fffe1b141ff in KrfbXCBEventFilter::KrfbXCBEventFilter
(owner=0x5555556b1ed0, this=0x5555556b1fc0) at
/usr/src/debug/krfb-22.08.0-2.fc36.x86_64/framebuffers/xcb/xcb_framebuffer.cpp:52
52 const xcb_query_extension_reply_t *xdamage_data =
xcb_get_extension_data(
(gdb) list
47 KrfbXCBEventFilter::KrfbXCBEventFilter(XCBFrameBuffer *owner):
48 xdamageBaseEvent(0), xdamageBaseError(0),
49 xshmBaseEvent(0), xshmBaseError(0), xshmAvail(false),
50 fb_owner(owner)
51 {
52 const xcb_query_extension_reply_t *xdamage_data =
xcb_get_extension_data(
53 QX11Info::connection(), &xcb_damage_id);
54 if (xdamage_data) {
55 // also query extension version!
56 // ATTENTION: if we don't do that, xcb_damage_create() will
always FAIL!
(gdb) p QX11Info::connection()
$1 = (xcb_connection_t *) 0x0
```
Why QX11Info::connection() is called in Wayland session, is it OK?
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