[Bug 294854] sync(8) hangs and never finishes

From: <bugzilla-noreply_at_freebsd.org>
Date: Tue, 28 Apr 2026 18:07:42 UTC
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=294854

            Bug ID: 294854
           Summary: sync(8) hangs and never finishes
           Product: Base System
           Version: 15.0-STABLE
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: bin
          Assignee: bugs@FreeBSD.org
          Reporter: yuri@freebsd.org

It is hanging in the D+ state:
> $ ps axuww | grep sync
> root          17    0.0  0.0          0      16  -  DL   22:26       0:00.36 [syncer]
> yuri       13128    0.0  0.0      14176    2368  0  S+   11:05       0:00.00 grep sync
> yuri       13109    0.0  0.0      14076    2100  8  D+   11:03       0:00.22 sync

This system only has ZFS disks.

FreeBSD 15 STABLE

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