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List:       debian-user
Subject:    Re: Strange emacs behavior after upgrade to bullseye
From:       Greg Wooledge <greg () wooledge ! org>
Date:       2021-04-20 15:11:56
Message-ID: YH7vPLgH3jP7fwtQ () wooledge ! org
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On Tue, Apr 20, 2021 at 11:08:57AM -0400, Stefan Monnier wrote:
> > 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`.

Ah, good old dot-locking.  Well, perhaps the OP can test whether it's
possible to create a symlink in that directory.

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