Comment 223 for bug 541492

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Brian Rogers (brian-rogers) wrote : Re: MASTER: [i845] GPU lockup (apport-crash) (Should KMS be blacklisted?)

2.6.35-20 blacklists KMS on the problematic cards. X is then supposed to fall back to vesa. If it doesn't, a bug should be filed for that. If falling back to vesa has enough problems of its own, that decision might be reversed.

i915.modeset=1 will override the blacklist, so you can always turn KMS back on with the new kernel. Also, my own graphics-fixes kernel undoes the blacklist.