Saturday, August 24, 2019

Linux Kernel Known Bug

"Dell Latitude D630 Laptop and the Known Bug with the Linux Kernel"

There is a known bug in one or some of the Linux kernels that is missing the appropriate drivers for the Intel graphics chips in some older laptops.

https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1685442

The Dell Latitude D630's are one of the affected models.


 There is no questioning your laptop is affected by this when your fresh install of your favorite distro takes 4-1/2 minutes to boot.

That's right, 4.5 minutes.

For some reason the computer is busy looking for an S video connector, but there isn't one.

The first fix I came across was adding a kernel boot parameter

 GRUB_CMDLINE_LINUX_DEFAULT="quiet splash video=SVIDEO-1:d"

That may have helped a little bit, but it didn't help me anywhere near as much as other users reported.

The next suggestion was to remove some video drivers with

sudo apt-get remove xserver-xorg-video-intel

but, since they weren't installed in the first place, that didn't help.

Since the problem is at the kernel level, change the kernel.

There is a very nice tutorial here:

https://phoenixnap.com/kb/how-to-update-kernel-ubuntu

Skip to "Option C: Manually Update the Kernel..."

sudo apt-add-repository ppa:teejee2008/ppa
sudo apt-get update 
sudo apt-get install ukuu


Then run

sudo ukuu-gtk


I chose kernel 5.2.

The start from reboot took 1-1/2 minutes (instead of the previous 4-1/2). Start from cold boot 1-1/4 minutes.

Nice.

I used the Ukuu tool on Xubuntu 18.04.3 and Peppermint 10.


I'd imagine this would help with Zorin 15 too.



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