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Date:      Mon, 28 Aug 2023 22:23:37 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 273414] linuxulator regression in symlinks under zfs
Message-ID:  <bug-273414-227@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D273414

            Bug ID: 273414
           Summary: linuxulator regression in symlinks under zfs
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Some People
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: freebsd@darkain.com

This commit broke symlinks when using Linuxulator:
https://reviews.freebsd.org/D40090

Further information can be found in:
https://reviews.freebsd.org/D40479

Repro steps, tested with latest 14.0-ALPHA3 ISO fresh install:

sysrc linux_enable=3D"YES"
service linux start
pkg install fontconfig linux-c7-fontconfig font-adobe-75dpi

This command completes correctly:
fc-list

This command errors out:
/compat/linux/usr/bin/fc-list


After further testing, it was found that this issue only happens with ZFS f=
ile
systems. UFS file systems are unaffected by this issue.

The initial issue was discovered because due to fontconfig no longer being =
able
to see its own config file, Linux apps no longer had font rendering support.
The small test above is a smaller test case without requiring a full desktop
installation to see the issue.

A full video recording of the repro was also produced:
https://www.youtube.com/watch?v=3DN46TGrCK4t8

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