[Nix-dev] [PATCH] Make sure /dev/pts/ptmx is world-writable
Ludovic Courtès
ludo at gnu.org
Thu Apr 3 09:28:07 CEST 2014
Hello!
Lluís Batlle i Rossell <viric at viric.name> skribis:
> 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.)
Actually the doc confirms that:
https://www.kernel.org/doc/Documentation/filesystems/devpts.txt
>> There’s still the problem that people without
>> CONFIG_DEVPTS_MULTIPLE_INSTANCES=y are screwed (as noted in build.cc),
>> 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
> chroot?
We do want to mount /dev/pts, yes. What’s the ‘ptmxmode variable’?
Ludo’.
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