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Date:      Mon, 27 Jul 2026 17:01:09 +0000
From:      bugzilla-noreply@freebsd.org
To:        ports-bugs@FreeBSD.org
Subject:   [Bug 297092] net/ucx: Fix VFS inotify watch on FreeBSD
Message-ID:  <bug-297092-7788@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=297092

            Bug ID: 297092
           Summary: net/ucx: Fix VFS inotify watch on FreeBSD
           Product: Ports & Packages
           Version: Latest
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: Individual Port(s)
          Assignee: ports-bugs@FreeBSD.org
          Reporter: laurent@FreeBSD.org
                CC: rikka.goering@outlook.de, thierry@FreeBSD.org
             Flags: maintainer-feedback?(rikka.goering@outlook.de)

Created attachment 273223
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=273223&action=edit
Fix ucx vfs errors

See bug 296182 comment 1:
When OpenMPI is built with UCX, the various IMB-??-openmpi emit a lot of:
[1785080535.013281] [nitro:94631:f]        vfs_fuse.c:312  UCX  WARN 
inotify_add_watch(/var/run/user/1001/ucx) failed: Invalid argument. Disabling
VFS live updates.


It looks like it's a relatively simple code path to fix. Here is a proposed
patch. After regenerating UCX, openmpi and imb-openmpi the issue is gone for
me.

Note that this fixes only the watch, but ucx_vfs doesn't work in FreeBSD yet.
I'll open PR for that.

If you tell me that the attached patch is OK with you Rikka and Thierry I can
push the change to net/ucx. Let me know.

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