[Buildroot] /dev/ttyS0 in filesystem created by Buildroot can't be opened in Qemu

Thomas Petazzoni thomas.petazzoni at free-electrons.com
Tue Jul 10 12:46:10 UTC 2012


Le Tue, 10 Jul 2012 13:29:11 +0300,
Baruch Siach <baruch at tkos.co.il> a écrit :

> Did you make a clean build after changing the configuration? The Buildroot 
> configuration system can't detect all configuration changes so sometimes you 
> must start from clean. Specifically, make sure that your /etc/inittab has the 
> right getty command with ttyAMA0.

This specific part (munging the tty used for getty) is actually done as
a post-build process, so it's updated as per the configuration at every
build, without having to do a make clean.

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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