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Date:      Sun, 21 Mar 2021 18:32:33 +0000
From:      bugzilla-noreply@freebsd.org
To:        gnome@FreeBSD.org
Subject:   [Bug 254024] devel/gvfs: gvfsd-trash latches to zfs volumes
Message-ID:  <bug-254024-6497-qvDm3j3fLC@https.bugs.freebsd.org/bugzilla/>
In-Reply-To: <bug-254024-6497@https.bugs.freebsd.org/bugzilla/>
References:  <bug-254024-6497@https.bugs.freebsd.org/bugzilla/>

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=3D254024

--- Comment #6 from Damjan Jovanovic <damjan.jov@gmail.com> ---
Created attachment 223490
  --> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=3D223490&action=
=3Dedit
hack to disable kqueue in glib

Somehow after much rebuilding and restarting gvfs and logging out and back =
in,
I finally managed to reproduce this bug. gvfsd-trash opened directories und=
er
/ztrash in "lsof", and then I couldn't zfs export.

With this hack to glib, I managed to disable kqueue, after which gvfsd-trash
didn't stop zfs export any more, but it also didn't have any directories op=
en
in "lsof", and clicking on the trashcan in Thunar shows an empty directory.
Other directory changes are not picked up in Thunar until I refresh.

I was hoping by removing kqueue, it would fall back to dumber file change
scanning, eg. by repeated opendir()/readdir() every few seconds, but appare=
ntly
it completely stops all file monitoring instead?

Looks like a different debugging approach will have to be used: isolate whe=
re
in the gvfs code it starts monitoring trash on mountpoints (it seems to beg=
in
in daemon/trashlib/trashwatcher.c), and follow from there.

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