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List:       debian-user
Subject:    Re: Strange emacs behavior after upgrade to bullseye
From:       Stefan Monnier <monnier () iro ! umontreal ! ca>
Date:       2021-04-20 15:08:57
Message-ID: jwvpmypngoz.fsf-monnier+gmane.linux.debian.user () gnu ! org
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> Because the error says it cannot use LOCKS.
> Because you can't do Unix file locking on a non-Unix file system.
> The error does NOT say "Permission denied".

FWIW, the error comes from Emacs's own locking code which doesn't seem
to use unix file locking, so the problem comes from elsewhere.

Emacs implements its locking protocol using symlinks with names
that look like `.#<FILENAME>` and whose content looks like
`USER@HOST.PID:BOOT_TIME`.


        Stefan "still not sure exactly where it goes wrong"

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