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[Ltib] Missing device nodes


From: Thierry Pierret
Subject: [Ltib] Missing device nodes
Date: Wed, 3 Dec 2008 11:54:25 +0100


Hi,

I'm using LTIB  8.1.2 on my i686 laptop under Ubuntu 8.10 (GNU/Linux 2-6.27-8-genberic) to create an image for armv6l iMX31 3-Stack platform. This image is based on the 2.6.24 Linux kernel.

All the device nodes in the ltib/bin/device_table.txt file are not created. This is the case for the IDE driver nodes (/dev/hda* & /dev/hdb*). However here is what is configured in the device_table.txt file :

[...]
/dev/hda        b        640        0        0        3        0        0        0        -
/dev/hda        b        640        0        0        3        0        0        0        8
/dev/hdb        b        640        0        0        3        0        0        0        -
/dev/hdb        b        640        0        0        3        0        0        0        8
[...]

The current issue may be linked to the error message at the deployment stage : "mkfs.jffs2: skipping device table entry '/dev': no parent directory".
All the nodes are present in the rootfs target, but they do not appear anymore in the compressed image (rootfs.jffs2). If it may help, here is the command used to create this compressed image : "mkfs.jffs2 -n -s 4096 -D <path_to>/device_table.txt -U -l -e 128 -d <path_to>/rootfs.tmp -o ./rootfs.jffs2"

I tested the revisions 1.50 and 1.60 of the mkfs.jffs2 command.
I also applied the patch mentionned in the http://lists.infradead.org/pipermail/linux-mtd/2008-June/022008.html page. The error message disappears but the IDE device nodes, specified in the device_table.txt file, remain absent in the compressed image.

What am I doing wrong ? How can I get those missing nodes ?

Thanks in advance.
Regards.
Thierry Pierret
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