Re: 7.6.1: How do I "roll back" video driver to earlier Knoppix?
Thanks for your help. I studied /var/log/Xorg.0.log for both the working
and broken systems and identified the cause of the problem: There is no
driver for my hardware in Jessie. I tried using the driver from Wheezy,
but it's rejected (Xorg.0.log reports "ABI" version number mismatch).
I downloaded the most recent source from
https://www.x.org/releases/individual/driver/ and managed to compile it,
"downgraded" the xserver to the package from Jessie to get the ABI version
numbers to match, and it runs, but it's somewhat sluggish and glitchy:
After all is said and done, it seems that this machine is going to have to
stay with Wheezy.
And since this is one of the main machines on which I run Knoppix from my
flash drive, there's no upgrading Knoppix until I replace this machine.
On Tue, June 7, 2016 14:00, Felix Miata wrote:
> Andrew composed on 2016-06-07 10:21 (UTC-0400):
>>> The place to start is to report your video hardware:
>>> lspci | grep VGA
>>> and what the software is doing (via pastebin or attachment, not copy &
>>> is what we need at least to start with.
>>> Output of dmesg might be of use as well.
>> OK. What am I looking for?
> You're looking for your video problem to go away.
>> How can I tell which driver(s) are in use and
> You read /var/log/Xorg.0.log.
>> how do I change them back to the version(s) that worked?
> Probably by reinstalling whichever Knoppix version you were using that last
> worked. Other possible options depend on you providing the information
requested by my first thread response:
> 1.Provide output of the 'lspci | grep VGA' command.
> 2.Either attach /var/log/Xorg.0.log to your response, or pastebin it,
preferably the latter.
> 3.Ditto the output of the dmesg command.
> A solution other than "rolling back the driver" is likely to be
> while "rolling back the driver" is probably impossible or nearly so
> reverting the entire installation to the previously working Knoppix
> "The wise are known for their understanding, and pleasant
> words are persuasive." Proverbs 16:21 (New Living Translation)
> Team OS/2 ** Reg. Linux User #211409 ** a11y rocks!
> Felix Miata *** http://fm.no-ip.com/