Re: [gentoo-embedded] mdev problems

[Ned Ludd <solar@gentoo.org>]

On Thu, 2006-05-11 at 19:37 +0000, Pierre Cassimans wrote:
> Hi,
> 
> i would like to use mdev on my device, but got some problems implementing 
> it. First of all the device is booted over the network with pxe and the root 
> is mounted over nfs read only.
> 
> If i use the normal baselayout, i can boot the device and login without 
> problems.
> 
> I wanted to mount the /dev dir read/write so i can use mdev to populate the 
> dir. I tried it with mount -n -t ramfs none /dev in the inittab, but now the 
> system hangs right after "Freeing unused kernel memory".
> 
> Here are my config files:
> 
> /etc/inittab:
> =======
> # Startup the system
> #null::sysinit:/bin/mount -o remount,rw /
> null::sysinit:/bin/mount -t proc none /proc
> null::sysinit:/bin/mount -t sysfs none /sys
> null::sysinit:/bin/mount -n -t ramfs none /dev
> null::sysinit:/bin/mkdir /dev/pts
> null::sysinit:/bin/mount -t devpts -o gid=4,mode=620 none /dev/pts
> null::sysinit:/bin/mount -t tmpfs none /dev/shm
> null::sysinit:/bin/mount -a
> null::sysinit:/sbin/mdev -s
> null::sysinit:/bin/hostname -F /etc/hostname
> null::sysinit:/sbin/ifconfig lo 127.0.0.1 up
> null::sysinit:/sbin/route add -net 127.0.0.0 netmask 255.0.0.0 lo
> # now run any rc scripts
> ::sysinit:/etc/init.d/rcS
> 
> # Set up a couple of getty's
> tty1::respawn:/sbin/getty 38400 tty1
> #tty2::respawn:/sbin/getty 38400 tty2
> 
> # Put a getty on the serial port
> #ttyS0::respawn:/sbin/getty -L ttyS0 115200 vt100
> 
> # Logging junk
> null::sysinit:/bin/touch /var/log/messages
> #null::respawn:/sbin/syslogd -n -m 0
> null::respawn:/sbin/klogd -n
> #tty3::respawn:/bin/tail -f /var/log/messages
> 
> # Stuff to do for the 3-finger salute
> ::ctrlaltdel:/sbin/reboot
> 
> # Stuff to do before rebooting
> null::shutdown:/etc/init.d/rcK
> null::shutdown:/bin/killall klogd
> null::shutdown:/bin/killall syslogd
> null::shutdown:/bin/umount -a -r
> null::shutdown:/sbin/swapoff -a
> 
> 
> /etc/mdev.conf
> =========
> SLEEP=10
That line is a debug line. Does not exist or do anything.

> 
> MAKEDEV -> ../sbin/MAKEDEV
> /proc/core -> kcore
> fd -> /proc/self/fd
> ram -> ram1
> stderr -> fd/2
> stdin -> fd/0
> stdout -> fd/1
> vbi -> vbi0
> video -> video0
> 
> null 0:0 777
> zero 0:0 666
> 
> urandom 0:0 444
> console 0:5 0600
> fd0 0:11 0660
> kmem 0:9 000
> mem 0:9 0640
> port 0:9 0640
> ptmx 0:5 0660
> 
> tty 0:5 0660
> 
> tty0* 0:5 0660
> tty1* 0:5 0660
> tty2* 0:5 0660
> 
> ttyS* 0:20 640
> 
> 
> i'm using Busybox-1.1.2 and uclibc-0.9.28


there might be a bug in 0.9.28 with getdents(). Mike would know best.

> 
> Any help would be appriciated :)
> 
> Pierre
> 
> 
-- 
Ned Ludd <solar@gentoo.org>
Gentoo Linux

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