[Bug 292854] firefox 147 eat 100% cpu under sway+wayland

From: <bugzilla-noreply_at_freebsd.org>
Date: Sun, 01 Feb 2026 08:11:43 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=292854

            Bug ID: 292854
           Summary: firefox 147 eat 100% cpu under sway+wayland
           Product: Ports & Packages
           Version: Latest
          Hardware: amd64
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: huanghwh@gmail.com

I found the thread waylandProxy of firefox is very often high CPU under
sway+wayland, specially copy strings from firefox to eclipse. After paste,
eclipse no response until switch to another window.

setting MOZ_DISABLE_WAYLAND_PROXY=1 can fix this problem.

# uname -a
FreeBSD mbxp.jopens.cn 15.0-RELEASE-p2 FreeBSD 15.0-RELEASE-p2
releng/15.0-n281005-5fb0f8e9e61d GENERIC amd64

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