Debian SID (was Re: Debian 10) update results in graphics issue

Correction, the MacBook-Pro is running Debian SID, not Debian 10.

On 8/6/22 1:42 PM, Stan Johnson wrote:
> Hello,
> 
> I updated Debian 10 ("apt-get update" then "apt-get upgrade") on a 2010
> MacBook Pro. Everything updated as expected, but after rebooting, the
> graphics in Xfce was garbled. The garbled appearance was over the entire
> screen, and it changed slightly every time I hit a key (the keyboard
> still worked, so I was able to reboot from a previously-opened terminal
> window).
> 
> Interestingly, when I disabled wdm and simply ran "startx" from a text
> login, I didn't see any problems with the graphics. So it's not clear
> whether this is an Xorg, Xfce, xdm, Debian, or possibly a firmware issue
> (the graphics hardware is NVIDIA GeForce 320M).
> 
> I was able to restore my system from a backup, so I should be able to
> duplicate the problem.
> 
> thanks for any suggestions
> 
> -Stan Johnson
>