From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnout Vandecappelle Date: Sun, 20 May 2012 21:47:58 +0200 Subject: [Buildroot] Problems at booting U-Boot and loading Kernel In-Reply-To: <4FB81086.8080609@onlinehome.de> References: <4FB81086.8080609@onlinehome.de> Message-ID: <4FB94A6E.5000808@mind.be> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On 05/19/12 23:28, Tobias Sachs wrote: > The second problem is a bit more frustrating. I tried to load a 3.3.5 Kernel after U-Boot boot but it fails with the > message "can't open /dev/ttyAMA0 permission denied". At this point I tried everything I could imagine. > I used Static device table and entered the permissions to /"target/generic/device_table.txt" and > "/target/generic/device/table_dev.txt". > I tried to use udev and created a file in output/target/etc/udev/rules.d with the name "50-udev.rules" which contains > the following ***KERNEL="tty[A-Z]*", NAME="%k", GROUP="uucp", MODE="666"*** > In both cases I tried various permissions from 644 to 777. But every time I try to boot these Kernel the error are the > same. This type of issue often appears because you attempt to use the output/target directory directly (as an nfs-root). You should always use one of the generated filesystems in the output/images directory. Which type of rootfs did you select? Regards, Arnout -- Arnout Vandecappelle arnout at mind be Senior Embedded Software Architect +32-16-286540 Essensium/Mind http://www.mind.be G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle GPG fingerprint: 7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F