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Re: 7.6.1: How do I "roll back" video driver to earlier Knoppix?



> 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 &
> paste)
>
> 	/var/log/Xorg.0.log
>
> is what we need at least to start with.
>
> Output of dmesg might be of use as well.

OK.  What am I looking for?  How can I tell which driver(s) are in use and
how do I change them back to the version(s) that worked?

Best regards,
Andrew


On Mon, June 6, 2016 17:34, Felix Miata wrote:
> Andrew composed on 2016-06-06 09:57 (UTC-0400):
>
>> My video is broken with 7.6.1, but used to work fine with earlier
>> Knoppix
>> versions.  How can I "roll back" the driver(s)?
>
>> I tried upgrading to 7.4.2 when it came out, but couldn't get the video
>> to
>> work on this machine (it had been working fine Knoppix 6 versions).  I
>> figured I'd just have to wait for the next version.  I tried Knoppix
>> 7.6.1
>> and it has the same problems:
>
>> 1. Without cheatcodes, video comes up 800x600 x 8 bits.
>> 2. I tried boot: fb labels and the gui is almost usable, except that
>> video
>> is extremely sluggish.
>> 3. I tried screen, depth, and video cheatcodes, and, instead of a speed
>> problem, many screen updates are getting lost (objects leaving a trail
>> of
>> 'debris' when moved across the screen and not appearing where they
>> actually 'are', etc.)
>
>> What do I need to do to get 7.6.1 to handle my video like Knoppix (3, 4,
>> 5, and) 6 did?
>
> 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 &
> paste)
>
> 	/var/log/Xorg.0.log
>
> is what we need at least to start with.
>
> Output of dmesg might be of use as well.
> --
> "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/
>
>



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