On Fri, 30 Jul 2010 16:12:34 +1000 Dave Airlie <[email protected]> wrote:
> Current testing machine is an HP 2740p with Ironlake graphics. > > Test sequence: > > boot with no VGA plugged in. > get up to gnome logged in, > plug in VGA, > > one of three things occur, > a) it works, > b) it hangs in FDI link training (endless while loop wtf?) > c) it gets past the hang but nothing on the monitor. > > If (a) happens and I suspend/resume the monitor invariably gets wrong > timings, in this case > it appears we set the fbcon mode, but when we go to change to the X > mode, the PCH DPLL won't accept the new values. > It won't even dpms off. > > Just posting in case anyone else can reproduce or has any insight, I'm > not running a fully upstream kernel (testing on RHEL6 with lots of > backports). > and we don't seem to have a tree with all the patches on the list collected. We have a few bugs open that sound similar, for some reason VGA seems to commonly fail on Ironlake. I'll try to reproduce on a couple of systems I have here... -- Jesse Barnes, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/intel-gfx
