8.10 gfx issue

[knightsotor]

after installing 8.10 this morning i'm getting gfx corruption when i put the resolution up to 1280 x 800 (native).its fine at 1024x768. any ideas?

screenshot attached

edit: not using proprietary drivers, i have an intel mobile x3100 for graphics

[knightsotor]

fixed... but im not really sure how