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Re: [Nix-dev] /dev/shm inconsistency in chroot

From: Mark H Weaver
Subject: Re: [Nix-dev] /dev/shm inconsistency in chroot
Date: Fri, 24 Jan 2014 12:13:21 -0500
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

Shea Levy <address@hidden> writes:

> On 01/24/2014 05:16 AM, Sree Harsha Totakura wrote:
>> Hash: SHA1
>> On 01/23/2014 08:56 PM, Mark H Weaver wrote:
>>> We should not inherit /dev from the host system at all, but rather
>>> create it from scratch with just the things we need.  IMO, that's
>>> the only truly proper solution.
>> We can try creating a fixed set of device nodes, for example:
>> /dev/null, /dev/random, /dev/urandom, /dev/sda etc.  Has anyone tried
>> this before?
> Another option is to mount  a devtmpfs there, for systems which support it.

The thing is, we don't actually want most of the system's devices to be
in the build environment, do we?  These are all impurities.  I don't
think we want /dev/sda, for example.


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