[gentoo-user] udev: lost dvd

[James <wireless@tampabay.rr.com>]

Hello,

A few weeks ago I updated all of the gentoo systems I manage to udev.
(Late to the udev party). Well I've got vlc, mplayer, and kaffeine
working splendidly on 2 different intel portables. However, an Athlon
on an Asus A7v8X-X motherboard is not happy with the dvd or the 
audio: Works fine, as audio CDs play just fine.

Hardware:
AMD Athlon(TM) XP 2400+
(from lscpi)
0000:01:00.0 VGA compatible controller: nVidia Corporation NV34 [GeForce FX
5200] (rev a1)

(from lshw)
capabilities: smbios-2.3 dmi-2.3
 product: A7V8X-X
       vendor: ASUSTeK Computer INC.
       physical id: 0
       version: REV 1.xx
description: BIOS
          vendor: Award Software, Inc.
          physical id: 0
          version: ASUS A7V8X-X ACPI BIOS Revision 1007 (11/13/2003)
              *-cdrom
                   description: IDE CD-ROM
                   product: SAMSUNG CD-ROM SC-152G
                   physical id: 0
                   bus info: ide@1.0
                   logical name: /dev/hdc
                   version: C400
                   capabilities: packet atapi cdrom removable 
       nonmagnetic dma lba iordy audio

(from dmesg)
hdc: SAMSUNG CD-ROM SC-152G, ATAPI CD/DVD-ROM drive

Kernel (miscellaneous from config file:
CONFIG_I2C_NFORCE2=m
CONFIG_SENSORS_VIA686A=y
CONFIG_VIDEO_DEV=y
CONFIG_FB=y
CONFIG_FB_NVIDIA=m
# CONFIG_FB_NVIDIA_I2C is not set

Symptoms:
When (2.6.14-gentoo-r2)booting I get this error:
AT boot time: screen errors related to lm_sensors, which I 
do not think are related to audio and DVD problems.

video:
vlc's gui fires up but nothing happens when I select to play a DVD
that plays on an intel portable..

Kaffeine gives more information:
"The source can't be read. 
Maybe you don't have enough rights for this, or the sourece doesn't 
contain data (e.g. no disc in drive). (/dev/dvd)"

Sooooooooooo:
I did notice The dvd devices are missing:
ls -alg /dev/dvd
ls: /dev/dvd: No such file or directory
likewise video is missing:   
ls -alg /dev/video
ls: /dev/video: No such file or directory

The dvd/video devices are not  being created by the boot process 
and udev, or I've munged things up in the kernel. Ideas on how to 
diagnose and fix the dvd mapping to hdc are welcome.

James

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