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Re: [Nix-dev] [PATCH] Make sure /dev/pts/ptmx is world-writable

From: Lluís Batlle i Rossell
Subject: Re: [Nix-dev] [PATCH] Make sure /dev/pts/ptmx is world-writable
Date: Thu, 3 Apr 2014 08:53:03 +0200
User-agent: Mutt/1.5.23 (2014-03-12)

On Wed, Apr 02, 2014 at 11:41:11PM +0200, Ludovic Courtès wrote:
> Hello,
> While running Python 3’s test suite, we noticed that on some systems
> /dev/pts/ptmx is created with permissions 0 (that’s the case with my
> Nixpkgs-originating 3.0.43 kernel, but someone with a Debian-originating
> 3.10-3 reported not having this problem.)
> There’s still the problem that people without
> CONFIG_DEVPTS_MULTIPLE_INSTANCES=y are screwed (as noted in,
> but I don’t see how we could work around it.
> Thoughts?
> Ludo’.

Usually it's handled with the devpts special mountable device. The
"ptmxmode" variable handles that. Don't you want to mount that in the

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