Il 13/04/2017 16:49, Martin Gräßlin ha scritto: > Am 2017-04-13 16:08, schrieb Germano Massullo: >> Il 13/04/2017 13:12, David Edmundson ha scritto: >>> "echo 0 | sudo tee /proc/sys/kernel/yama/ptrace_scope" (or run GDB >>> as root) >>> >>> David >> As root in tty3 I attached GDB to kwin_wayland and as soon I got back to >> the graphical session, the system got stuck and I could not neither >> return back to tty3, so I had to use Magic SysRq key to restart the >> system. >> The wiki says to try to use SSH, but it would be useless too since I am >> not able to use the graphical session if kwin_wayland is attached to GDB > > Of course you need to continue once you attached gdb. I'm not sure > what you want to achieve but debugging the running display manager on > the same system - well it's even more impossible than debugging the > running window manager on X11. I'm working with nested kwin_wayland > running in gdb to do debugging. > > Cheers > Martin >
A running from bash Plasma, when it crashes[1], sends a message like > The Wayland connection broke. Did the Wayland compositor die? so I was trying to figure out if kwin_wayland crashes too [1]: https://bugs.kde.org/show_bug.cgi?id=378707