Andrew Morton wrote: > On Fri, 05 Jun 2009 11:02:21 +0300 > Pekka Enberg wrote: > > >> Hi Jesse, >> >> (I am cc'ing linux-kernel.) >> >> On Mon, 01 Jun 2009 22:31:13 +0300 >> >>> Pekka Enberg wrote: >>> >>> >>>> Hi Jesse, >>>> >>>> I am seeing this on my Eee PC 701 which is running a Ubuntu >>>> 2.6.28-11.42-generic stock kernel: >>>> >>>> [ 76.826966] [drm:i915_gem_detect_bit_6_swizzle] *ERROR* Couldn't >>>> read from MCHBAR. Disabling tiling. >>>> [ 76.827215] [drm] Initialized i915 1.6.0 20080730 on minor 0 >>>> [ 76.834037] [drm:i915_setparam] *ERROR* unknown parameter 4 >>>> [ 76.834104] [drm:i915_getparam] *ERROR* Unknown parameter 6 >>>> >>>> Google turned up this patch >>>> >>>> http://lists.freedesktop.org/archives/intel-gfx/2009-January/001186.html >>>> >>>> but I don't seem to find it mainline kernel. >>>> >>>> Was the bug fixed in some other way? It seem that distributions have >>>> not yet picked up your patch and I am unsure if it's in any of the >>>> -stable kernels. >>>> >> On Thu, 2009-06-04 at 11:27 +0100, Jesse Barnes wrote: >> >>> I think Eric acked it but may not have pushed it to drm-intel-next >>> yet. Should happen in the next week or two though as we prepare the >>> merge window series. >>> >> OK, thanks for the info! FYI, I tested 2.6.30-rc8 with your patch >> applied and everything works smoothly on my EeePC 701. I did not test >> plain 2.6.30-rc8 as I expect it to show same kind of behavior as Ubuntu >> distro kernel. Is this correct or do you want me to test 2.6.30-rc8 too? >> >> I wonder why the patch hasn't received more attention as it's a pretty >> critical bug. The _default_ Ubuntu 9.04 netbook remix installation is >> completely broken for EeePC 701 (and probably others as well) without >> the patch. And it's not as if I'm the only one that suffers from it. A >> quick Google search reveals that a lot of people are hitting it. >> >> So I really do think we need to merge this patch to the upcoming 2.6.31 >> ASAP and backport it to -stable after it has gotten some more testing. >> >> > > Wanna show us the patch? > > Because the world could certainly do with more i915 bugfixes :( > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > Here is Jesse's patch from http://lists.freedesktop.org/archives/intel-gfx/2009-January/001186.html adopted for 2.6.30-rc8... (needed to redo hunk #3 for i915_gem_tile.c) Woody -- Woody Suwalski, Xandros, Ottawa, Canada, 1-613-842-3498 x414