Woody Suwalski wrote: > Rafael J. Wysocki wrote: >> On Monday 18 May 2009, Randy Dunlap wrote: >> >>> On Mon, 18 May 2009 21:01:06 +0200 Rafael J. Wysocki wrote: >>> >>> >>>> Adding CCs. >>>> >>>> On Monday 18 May 2009, you wrote: >>>> >>>>> (First post, so please CC to zorael@xxxxxxxxx in case it doesn't >>>>> automatically.) >>>>> >>>>> >>>>> I'm trying to compile 2.6.30-rc6 to enable kernel mode-setting *per >>>>> default*, for my Intel 945GME video chipset. Alas, when compiling, it >>>>> halts with the following tidbit: >>>>> >>>>> ... >>>>> LD .tmp_vmlinux1 >>>>> drivers/built-in.o: In function `intel_opregion_free': >>>>> /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:422: undefined >>>>> reference to `acpi_video_exit' >>>>> drivers/built-in.o: In function `intel_opregion_init': >>>>> /usr/src/linux/drivers/gpu/drm/i915/i915_opregion.c:393: undefined >>>>> reference to `acpi_video_register' >>>>> make[1]: *** [.tmp_vmlinux1] Error 1 >>>>> make[1]: Leaving directory `/usr/src/linux-2.6.29' >>>>> make: *** [debian/stamp/build/kernel] Error 2 >>>>> >>>>> >>>>> grepping acpi_video_register recursively I see it's defined as an >>>>> empty function in ./include/acpi/video.h, and as a more proper >>>>> function in ./drivers/acpi/video.c. Does somehow setting it to use KMS >>>>> per default via CONFIG_DRM_I915_KMS=y stop it from reading those >>>>> files? >>>>> >>>>> I used to run with KMS by default in the early -30rc*s, but at some >>>>> point (rc2?), it stopped compiling succesfully. If I don't enable it >>>>> per default, it *does* compile, though I don't know how to explicitly >>>>> enable it at boot-time. So I'm living without KMS for the time being. >>>>> Woe. >>>>> >>>>> Anything obvious I'm doing wrong? >>>>> >>> Len posted a patch for this. It's below. >>> Len, do you have this patch queued for Linus? >>> >> >> Ah, it's commit ecb4aed78dcf09e48c8c34c8c2fa7f5c69344be6, which went in >> slightly after -rc6. So it should be fixed. >> >> Zorael, please test the current Linus' tree. >> >> > Len's patch idea does not work for me - if ACPI is build as a module, I > have no way to force acpi-video to be built in. > And kernel with i915 built-in breaks... > So to summarize: acpi=m with i915=y is broken... > > For now I am simply commenting-out the i915 acpi-video calls, but that > is not a good way... > We need to move the core acpi-video to the main kernel... Please post your troublesome kernel .config file. Thanks, -- ~Randy LPC 2009, Sept. 23-25, Portland, Oregon http://linuxplumbersconf.org/2009/ -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
