Fixes for problems in Ubuntu and Kubuntu

Make screensaver auto-starting work in KDE 3.5.3

Follow the instructions on the KDE 3.5.3 broken screensaver fix page.

Work around Bug #35779: kdm starts usplash when switching users.

One workaround for Bug #35779: kdm starts usplash when switching users. is to do the following

1. Edit /boot/grub/menu.lst and change the following line from:

   # defoptions=quiet splash

2. to:

   # defoptions=quiet

3. Save the file and the run the following command:

   sudo update-grub

Fix "Conversation with su failed" error

Follow instructions in the Conversation with su failed? topic in the Ubuntu forums.

If that does not work then try running the program on the command line. For example:

sudo synaptic

Note: I haven't been running into this problem anymore on Dapper Drake 6.06

Get Smooth DVD playback

Enable DMA by adding something like this to the bottom of/etc/hdparm.conf and then rebooting (Change /dev/hdc to the name of the device of your DVD drive):

/dev/hdc {          dma = on         interrupt_unmask = on         io32_support = 0  }