Pali, This was probably to either add better power management or enable some new features related to acpi. Can you send me the files they created in kernel 3.19 r1 as I can probably trace it back to the bad commit. Regards Nick On 2014-12-25 03:48 AM, Pali Rohár wrote: > I know how to use git... first I wanted to report errors because > maybe it could be known problem or somebody else can come with > quick patch even without bisetcing (like for other problems which > I reported). > > Anyway those acpi devices which are mentioned in log do not exist > in 3.13 kernel (I do not see them in /sys/devices) > > Any idea why 3.19 kernel create new acpi devices which 3.13 > kernel did not? > > On Thursday 25 December 2014 05:28:27 nick wrote: >> Pali, >> Do you known how to run git bisect as this is probably the >> best way to continue. Otherwise, I can teach you how it's not >> hard if your willing to learn :). Cheers Nick >> >> On 2014-12-24 01:51 PM, Pali Rohár wrote: >>> Hello! >>> >>> With new 3.19-rc1 kernel every time when I open LID on my >>> laptop, kernel prints these error lines to dmesg: >>> >>> [25566.368133] [drm:hsw_unclaimed_reg_detect.isra.6 [i915]] >>> *ERROR* Unclaimed register detected. Please use the >>> i915.mmio_debug=1 to debug this problem. [25566.368134] >>> [drm:intel_uncore_check_errors [i915]] *ERROR* Unclaimed >>> register before interrupt [25566.368192] >>> [drm:hsw_unclaimed_reg_detect.isra.6 [i915]] *ERROR* >>> Unclaimed register detected. Please use the >>> i915.mmio_debug=1 to debug this problem. [25566.368232] >>> [drm:hsw_unclaimed_reg_detect.isra.6 [i915]] *ERROR* >>> Unclaimed register detected. Please use the >>> i915.mmio_debug=1 to debug this problem.<4>[25568.446011] >>> i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has >>> bogus alignment >>> [25568.447018] pci_bus 0000:02: Allocating resources >>> [25568.447055] pci_bus 0000:03: Allocating resources >>> [25568.447135] pci_bus 0000:04: Allocating resources >>> [25568.447168] pci_bus 0000:05: Allocating resources >>> [25568.447195] pci_bus 0000:06: Allocating resources >>> [25568.447228] pci_bus 0000:0e: Allocating resources >>> [25568.447323] i915 0000:00:02.0: BAR 6: [??? 0x00000000 >>> flags 0x2] has bogus alignment [25568.447557] i915 >>> 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus >>> alignment [25568.447735] i915 0000:00:02.0: BAR 6: [??? >>> 0x00000000 flags 0x2] has bogus alignment [25568.447847] >>> i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has >>> bogus alignment [25568.448399] i915 0000:00:02.0: BAR 6: >>> [??? 0x00000000 flags 0x2] has bogus alignment >>> [25568.448438] i915 0000:00:02.0: BAR 6: [??? 0x00000000 >>> flags 0x2] has bogus alignment [25568.448566] acpi >>> MSFT1111:00: Cannot transition to power state D3cold for >>> parent in (unknown) [25568.448572] acpi INT33C2:00: Cannot >>> transition to non-D0 state from D3 [25568.448577] acpi >>> MSFT0002:00: Cannot transition to power state D3cold for >>> parent in (unknown) [25568.448581] acpi ELAN1010:00: Cannot >>> transition to power state D3cold for parent in (unknown) >>> [25568.448587] acpi INT33C3:00: Cannot transition to non-D0 >>> state from D3 [25568.448590] acpi INT33C0:00: Cannot >>> transition to non-D0 state from D3 [25568.448594] acpi >>> INT33C1:00: Cannot transition to non-D0 state from D3 >>> [25568.448598] acpi INT33C4:00: Cannot transition to non-D0 >>> state from D3 [25568.448602] acpi INT33C5:00: Cannot >>> transition to non-D0 state from D3 [25568.448623] acpi >>> device:41: Cannot transition to power state D3cold for >>> parent in (unknown) [25568.448627] acpi INT33C6:00: Cannot >>> transition to non-D0 state from D3 [25568.448890] pci_bus >>> 0000:01: Allocating resources [25568.448905] i915 >>> 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has bogus >>> alignment [25568.449064] i915 0000:00:02.0: BAR 6: [??? >>> 0x00000000 flags 0x2] has bogus alignment [25568.449472] >>> i915 0000:00:02.0: BAR 6: [??? 0x00000000 flags 0x2] has >>> bogus alignment >>> >>> With older kernel (3.13) I do not see these errors, so it is >>> regression. Can you look at it? If it is needed, I can >>> provide other logs, ACPI/DSTD dumps, etc. >>> >>> >>> >>> _______________________________________________ >>> Intel-gfx mailing list >>> Intel-gfx@xxxxxxxxxxxxxxxxxxxxx >>> http://lists.freedesktop.org/mailman/listinfo/intel-gfx > _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
