On Thu, 19 Mar 2015, Daniel Vetter <dan...@ffwll.ch> wrote: > On Thu, Mar 19, 2015 at 03:38:19PM +0200, David Weinehall wrote: >> On Thu, Mar 19, 2015 at 06:17:00PM +0530, Deepak S wrote: >> > >> > >> > On Thursday 19 March 2015 05:14 PM, David Weinehall wrote: >> > >On Thu, Mar 19, 2015 at 04:09:44PM +0530, deepa...@linux.intel.com wrote: >> > >>From: Deepak S <deepa...@linux.intel.com> >> > >> >> > >>Unfortunately WaGsvRC0ResidencyMethod causing system freeze on some >> > >>of the baytrail systems :(. Switching back to legacy mode rps. >> > >Is there any way to identify either what systems it's OK to use on, >> > >or to identif what Baytrail systems it isn't OK to use on? >> > > >> > >Just reverting this completely seems overly broad if it's possible to >> > >tell the difference between working and non-working systems. >> > >> > Restricting the changes to few system will be the right way to go. >> > How do we get details of now working system? >> >> That depends. Who reported the non-working Baytrail-systems? >> And just as importantly, do we have Baytrail systems where this is >> confirmed to work? >> >> If we can identify the respective revisions of the systems >> we might be able to discern the pattern and continue from there. > > My experience with random crashes with rps on snb/ivb is that there's no > solid systems, just systems where no one has bothered to be really evil > yet. > > I'd be really cautious with whitelisting since it tends to not really > solve the underlying bug (if there is one), usually blows up really fast > in size and is long-term unmaintainable. We've been there a few times with > other hacks and issues :(
Plenty of talk but no final verdict on the patch either way, and the bug is still open too. :( Deepak, is this patch still needed? BR, Jani. > -Daniel > -- > Daniel Vetter > Software Engineer, Intel Corporation > http://blog.ffwll.ch > _______________________________________________ > Intel-gfx mailing list > Intel-gfx@lists.freedesktop.org > http://lists.freedesktop.org/mailman/listinfo/intel-gfx -- Jani Nikula, Intel Open Source Technology Center _______________________________________________ Intel-gfx mailing list Intel-gfx@lists.freedesktop.org http://lists.freedesktop.org/mailman/listinfo/intel-gfx
