[Webkit-unassigned] [Bug 259537] New: UI process hang when loading Element or SchildiChat

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=259537

            Bug ID: 259537
           Summary: UI process hang when loading Element or SchildiChat
           Product: WebKit
           Version: Other
          Hardware: PC
                OS: Linux
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: WebKitGTK
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: two at envs.net
                CC: bugs-noreply at webkitgtk.org

Epiphany 44.4 on WebKitGTK 2.40.4 stops responding some time after opening Element or SchildiChat while the loading indicator is shown. there is no high CPU usage or crash, it just waits forever. this can happen even if the tab is not currently visible.

this happens on my laptop only when power profile is set to power saving.

backtrace from gdb:

```
#0  0x00007f9f1e48bbb4 in __futex_abstimed_wait_common ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libc.so.6
#1  0x00007f9f1e48e4d1 in pthread_cond_wait () from /proc/78399/root/usr/lib/x86_64-linux-gnu/libc.so.6
#2  0x00007f9f176cdbd5 in read_events ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#3  0x00007f9f176cdcb3 in wl_display_read_events ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#4  0x00007f9f176cdfc6 in wl_display_dispatch_queue ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libwayland-client.so.0
#5  0x00007f9f1ec72209 in gdk_wayland_display_dispatch_queue ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libgtk-4.so.1
#6  0x00007f9f1ec7e7db in gdk_wayland_toplevel_focus ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libgtk-4.so.1
#7  0x00007f9f1eab6a2d in gtk_window_present_with_time ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libgtk-4.so.1
#8  0x00007f9f1f553e03 in ?? () from /proc/78399/root/app/lib/epiphany/libephymain.so
#9  0x00007f9f1f2d6a4f in g_timeout_dispatch ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#10 0x00007f9f1f2d5d49 in g_main_context_dispatch ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#11 0x00007f9f1f2d62a8 in g_main_context_iterate.constprop ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#12 0x00007f9f1f2d6343 in g_main_context_iteration ()
   from /proc/78399/root/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0
#13 0x00007f9f1f17735d in g_application_run () from /proc/78399/root/usr/lib/x86_64-linux-gnu/libgio-2.0.so.0
#14 0x0000565420d470e6 in ?? ()
#15 0x00007f9f1463ded8 in std::wclog () from /proc/78399/root/usr/lib/x86_64-linux-gnu/libstdc++.so.6
#16 0x00007f9f00000000 in ?? ()
#17 0x00007fff3c3c53a8 in ?? ()
#18 0x000000011463e040 in ?? ()
#19 0x00007fff3c3c5240 in ?? ()
#20 0x0000000000000000 in ?? ()
```

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