GNU bug report logs - #22053
'call-with-container' fails when CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set

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Message #14 received at 22053 <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Efraim Flashner <efraim <at> flashner.co.il>
Cc: David Thompson <dthompson2 <at> worcester.edu>, 22053 <at> debbugs.gnu.org
Subject: Re: bug#22053: silent failure on guix environment foo --container
Date: Mon, 30 Nov 2015 13:22:34 +0100

Efraim Flashner <efraim <at> flashner.co.il> skribis:

> On Sun, 29 Nov 2015 22:20:33 +0100
> ludo <at> gnu.org (Ludovic Courtès) wrote:
>
>> Efraim Flashner <efraim <at> flashner.co.il> skribis:
>> 
>>  [...]  
>> 
>> The failure is:
>> 
>> --8<---------------cut here---------------start------------->8---
>> 21228 mount("none", "/tmp/guix-directory.5sVcGc//dev/pts", "devpts", MS_NOSUID|MS_NOEXEC, "newinstance,ptmxmode=0666,mode=6"...) = -1 EPERM (Operation not permitted)
>> 21228 exit_group(1)                     = ?
>> --8<---------------cut here---------------end--------------->8---
>> 
>> The problem may be that the kernel does not support
>> CONFIG_DEVPTS_MULTIPLE_INSTANCES.  Could you check that in
>> /proc/config.gz or similar?
>
> # CONFIG_DEVPTS_MULTIPLE_INSTANCES is not set

QED.  :-)  However, the daemon needs it too.  Don’t you have problems
with guix-daemon as well, when building things locally on that machine?

Ludo’.

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