Comment # 21 on bug 102013 from Michel Dänzer

(In reply to Ilia Mirkin from comment #20)
> does EXA support DRI3?

DRI3 is disabled by default with EXA due to bug 95475 (probably unfixable with
the current EXA design).

> If not, does disabling DRI3 with glamor "fix" things?

Good question; checking the attachment from comment 19 shows that DRI3 is
disabled, so the answer is no.