Bug#1012746: libwebkit2gtk-4.0-37: 2.36.3-1~deb11u1 fails messily over glx

[Alberto Garcia]

On Tue, Jun 21, 2022 at 11:40:49AM +0200, Markus Demleitner wrote:
> Well, given that I just tried to get a trackback and discovered
> that's harder than just following the advice and running
> 
>   ssh -tX <host> env GDK_SYNCHRONIZE=1 gdb luakit
> 
> and breaking on gdk_x_error; I figure it's because that breakpoint is
> never reached in the UI process, only in the WebKitWebProcess.
> A quick web search hasn't brought up quick advice on how to debug
> things in there -- is there a quick howto somewhere?

If the web process crashes and you have the systemd-coredump package
you should be able to see the core dump with coredumpctl.

It not you can connect gdb to a running WebProcess with 'gdb -p PID'

Berto