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bug#23194: Benign error in installation image: "stty: standard input: In
bug#23194: Benign error in installation image: "stty: standard input: Input/output error"
Mon, 04 Apr 2016 17:10:20 +0200
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (gnu/linux)
Chris Marusich <address@hidden> skribis:
> In the installation image for GuixSD v0.10.0, I get some I/O errors on
> the terminal just before/during/after the MOTD is displayed:
> "stty: standard input: Input/output error"
With a patch like this, the issue vanishes:
diff --git a/gnu/services/base.scm b/gnu/services/base.scm
index b168543..aa34aa8 100644
@@ -482,6 +482,7 @@ strings or string-valued gexps."
(let ((pid (primitive-fork)))
+ (sleep 1)
(dup2 (open-fdes #$tty O_RDONLY) 0)
This hints at a race condition.
I *think* that the problem is that at the time the ‘console-font-X’
service starts and invokes ‘unicode_start’, it may be that mingetty
hasn’t opened the tty yet.
Indeed, the ‘term-ttyX’ services are considered started as soon as
mingetty is running, but there’s a chance that it’s running and has not
opened the tty yet.
I think we should use another implementation that doesn’t have this
problem (agetty?). Given that mingetty.c is 400 lines, we might as well
do it in Scheme.