Re: gerneral question for linux-2.6 and udev and hotplug

[Patrick Mansfield <patmans@us.ibm.com>]

On Fri, Sep 30, 2005 at 10:51:55AM -0400, Gavin Li wrote:
> All,
> 
> I am trying migrate to 2.6 kernel from 2.4.

I didn't read the full problem report, but:

Why don't you install FC4, and go from there? 

FC3 is already old, and AFAICT it is at kernel 2.6.12-1.1378, that is
quite a ways past the 667 you mention.

-- Patrick Mansfield

> I copied RedHat FC3 kernel binary vmlinuz-2.6.9-1.667 to my harddrive, and
> /bin /sbin and /lib /usr/ are also copied.
> I didn't copy /etc to my harddrive, I installed hotplug-2004_09_23 to my
> /etc
> In my /etc/inittab, I set start script to my own start script, which is
> /etc/rc.d/rcS
> this file is:
> #!/bin/bash
> kill_init=`ls /dev | grep -c tty`
> if [ $kill_init -eq 0 ]; then
>     clear
>     mount -n -t proc  /proc /proc
>     [ -d /proc/bus/usb ] && mount -n -t usbfs /usbfs /proc/bus/usb
>     mount -n -t sysfs /sys  /sys
>     mount -n -t tmpfs /dev  /dev modeu5
>     mkdir -p /dev/shm /dev/pts
>     mount -n -t tmpfs /devshm /dev/shm
>     mount -n -t devpts -o gid=5,modeb0 /devpts /dev/pts
>     echo /sbin/udevsend > /proc/sys/kernel/hotplug
>     udevstart
>     kill -HUP 1 2>&1 > /dev/null
>     sleep 12
> fi
> 
> PATH=/bin:/sbin:/usr/bin:/usr/sbin:/usr/local/bin:/usr/local/sbin
> export PATH
> ln -s /proc/self/fd   /dev/fd
> ln -s /proc/self/fd/0 /dev/stdin
> ln -s /proc/self/fd/1 /dev/stdout
> ln -s /proc/self/fd/2 /dev/stderr
> ln -s /proc/kcore     /dev/core
> mount -t tmpfs /dev/ram0 /tmp
> cd /var && tar -cf /tmp/var.tar * && cd /
> mount -t tmpfs /dev/ram1 /var
> cd /var && tar -xf /tmp/var.tar && cd /
> 
> 
> 
> My problem is:
> when I plug in a USB flash drive, nothing happened, I can't find hotplug is
> working
> 
> Then I change echo /sbin/udevsend > /proc/sys/kernel/hotplug to echo
> /sbin/mytest > /proc/sys/kernel/hotplug
> 
> and mytest script is :
> echo "starting hotplug" > /tmp/tmp.txt
> 
> then I do plug/unplug USB flash drive, the file size of /tmp/tmp.txt is 0,
> which means mytest script is never got executed.
> 
> Anything I did wrong? or do I miss something
> 
> One more question:If I use udev-070, do I still need to compile and install
> sysfsutils and/or sysutils?
> 
> Regards,


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