Hey, Op 25-01-13 02:45, Dave Airlie schreef: > On Fri, Jan 25, 2013 at 11:06 AM, Dave Airlie <airlied@xxxxxxxxx> wrote: >> On Fri, Jan 25, 2013 at 10:53 AM, Linus Torvalds >> <torvalds@xxxxxxxxxxxxxxxxxxxx> wrote: >>> On Thu, Jan 24, 2013 at 4:42 PM, Dave Airlie <airlied@xxxxxxxx> wrote: >>>> These patches have been sailing around long enough, waiting for a maintainer >>>> to reappear, so I've decided enough is enough, lockdep is kinda useful to have. >>> Last this was tried, these patches failed miserably. >>> >>> They caused instant lockdep splat and then a total lockup with efifb. >>> It may be that Takashi's patch helps fix that problem, but it's in no >>> way clear that it does, so the patch series isn't at all obviously >>> stable. >>> >>> Yes, lockdep is indeed "kinda useful", and there clearly are locking >>> problems in fbdev. But I'm not seeing myself pulling these for 3.8. >>> They've been too problematic to pull in at this late stage. >>> >> Okay I'll fix the efifb problem and then maybe queue them for -next. > Okay I've just sent out another fbcon patch to fix the locking harder. > > There was a path going into set_con2fb_path if an fb driver was > already registered, I just pushed the locking out further on anyone > going in there. > > it boots on my EFI macbook here. > I cherry picked those patches to my tree, and the full series no longer triggers a lockdep warning. It also no longer locks up during modprobing or vga-switcheroo either. Tested-by: Maarten Lankhorst <maarten.lankhorst@xxxxxxxxxxxxx> ~Maarten _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel
