GNU bug report logs - #22088
Non-deterministic daemon protocol errors

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Mark H Weaver <mhw <at> netris.org>
To: bug-guix <at> gnu.org
Subject: Non-deterministic daemon protocol errors
Date: Thu, 03 Dec 2015 16:57:03 -0500

Since updating my guix client (but not yet my server) to include the
recent commits related to the protocol update, I'm seeing these errors
non-deterministically while building things.  Retrying usually results
in success.

mhw <at> jojen:~/guix$ guix build -K openssl --cores=1
substitute: updating list of substitutes from 'http://hydra.gnu.org'... 100.0%
The following derivation will be built:
   /gnu/store/5hzf27bgygjp5ah3bfy8m0aa93yazgk3-openssl-1.0.2e.drv
guix build: error: build failed: EOF expected (protocol error?)

       Mark

Message #8 received at 22088 <at> debbugs.gnu.org (full text, mbox):

From: Leo Famulari <leo <at> famulari.name>
To: Mark H Weaver <mhw <at> netris.org>
Cc: 22088 <at> debbugs.gnu.org
Subject: Re: bug#22088: Non-deterministic daemon protocol errors
Date: Thu, 3 Dec 2015 17:33:32 -0500

On Thu, Dec 03, 2015 at 04:57:03PM -0500, Mark H Weaver wrote:
> Since updating my guix client (but not yet my server) to include the
> recent commits related to the protocol update, I'm seeing these errors
> non-deterministically while building things.  Retrying usually results
> in success.
> 
> mhw <at> jojen:~/guix$ guix build -K openssl --cores=1
> substitute: updating list of substitutes from 'http://hydra.gnu.org'... 100.0%
> The following derivation will be built:
>    /gnu/store/5hzf27bgygjp5ah3bfy8m0aa93yazgk3-openssl-1.0.2e.drv
> guix build: error: build failed: EOF expected (protocol error?)
> 
>        Mark
> 
> 
> 
+1

Message #13 received at 22088-done <at> debbugs.gnu.org (full text, mbox):

From: ludo <at> gnu.org (Ludovic Courtès)
To: Mark H Weaver <mhw <at> netris.org>
Cc: 22088-done <at> debbugs.gnu.org
Subject: Re: bug#22088: Non-deterministic daemon protocol errors
Date: Fri, 04 Dec 2015 11:40:38 +0200

Mark H Weaver <mhw <at> netris.org> skribis:

> Since updating my guix client (but not yet my server) to include the
> recent commits related to the protocol update, I'm seeing these errors
> non-deterministically while building things.  Retrying usually results
> in success.
>
> mhw <at> jojen:~/guix$ guix build -K openssl --cores=1
> substitute: updating list of substitutes from 'http://hydra.gnu.org'... 100.0%
> The following derivation will be built:
>    /gnu/store/5hzf27bgygjp5ah3bfy8m0aa93yazgk3-openssl-1.0.2e.drv
> guix build: error: build failed: EOF expected (protocol error?)

This is because the ‘build-things’ RPC would always use the new
protocol, even when talking to old daemons.

Fixed in 2734cbb.

Thanks, and sorry for the confusion!

Ludo’.

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