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Re: open-pipe deadlocked

From: Ludovic Courtès
Subject: Re: open-pipe deadlocked
Date: Thu, 01 Sep 2011 23:45:37 +0200
User-agent: Gnus/5.110018 (No Gnus v0.18) Emacs/24.0.50 (gnu/linux)

Hi Cédric,

address@hidden skribis:

> I attached 2 files:
> - "guile deadlock.scm > /tmp/log" deadlocks after around 12k lines of output 
> for me

AFAICS the problem does not occur with Guile 2.0.

For 1.8, could you try running Helgrind and see what happens?

> - more surprisingly, "guile crash.scm > /dev/log" segfaults with this
>   backtrace :

Well yes, ports still aren’t thread-safe ;-) so this is bound to crash
in unexpected ways.

With Guile 2.0, it always ends up with:

--8<---------------cut here---------------start------------->8---
ERROR: In procedure display:
ERROR: In procedure fport_write: Bad address
--8<---------------cut here---------------end--------------->8---


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