Keith Packard, le Thu 15 Sep 2011 00:43:36 -0500, a écrit : > On Thu, 15 Sep 2011 01:27:17 +0200, Samuel Thibault <samuel.thibault@xxxxxxxxxxxx> wrote: > Non-text part: multipart/mixed > > Hello, > > > > I'm trying to upgrade from 3.0 to 3.1-rcsomething on a DELL latitude > > E6420, but dual head is broken. Here is the scenario: > > > > - Turn computer on with VGA1 connected. Both LVDS1 and VGA1 show the > > text console fine. > > - Start X. VGA1 shows X fine, but LVDS1 (1600x900 resolution) shows an > > odd screen: completely black on the left part (about 1060x900), sort > > of gray on the right part (about 540x900). Playing with xrandr doesn't > > help, I can at best make it completely black with --off, and not get > > it back again with --auto or anything else. > > Can you try disabling frame buffer compression? > > i915.i915_enable-fbc=0 > > I'm about to send a patch to disable this by default; I've gotten two > people saying that this helps them already. Absolutely. I have no issue any more, and the error messages are gone. Samuel _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
