[Webkit-unassigned] [Bug 188654] New: [WPE][GTK] No debug symbols when running 'webkit-flatpak --gtk --gdb'

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Aug 16 08:18:46 PDT 2018


            Bug ID: 188654
           Summary: [WPE][GTK] No debug symbols when running
                    'webkit-flatpak --gtk --gdb'
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKit Gtk
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mcatanzaro at igalia.com
                CC: bugs-noreply at webkitgtk.org, tsaunier at gnome.org

I noticed that the web process crashes immediately when visiting youtube.com. I want to report a bug. Since I built webkit using update-webkitgtk-flatpak and then build-webkit, I can't use the normal system coredumpctl to get a backtrace: I have to go through webkit-flatpak. I try this:

$ webkit-flatpak --gtk -m 19974 --gdb

where 19974 is the pid of the crashing web process.

It (unexpectedly?) fetches a bunch of git repos, then opens up gdb:

Core was generated by `/home/mcatanzaro/Projects/WebKit/WebKitBuild/Debug/bin/WebKitWebProcess 5 37'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f4b2cf00629 in ?? ()
[Current thread is 1 (LWP 19974)]
(gdb) bt
#0  0x00007f4b2cf00629 in ?? ()
#1  0x00007ffc1d9d2290 in ?? ()
#2  0x00007f4b3a094b5e in ?? ()
#3  0x00007f4aa81a0788 in ?? ()
#4  0x00007f4aa81a0788 in ?? ()
#5  0x00007ffc1d9d22f0 in ?? ()
#6  0x00007f4b3a08266c in ?? ()
#7  0x0000000000000000 in ?? ()

It's really great that we have the --gdb and -m functionality built-in, but there's no debuginfo so I don't understand how to use it.

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