Pali, This seems to be a likely culprit. Would you mind building a kernel before that commit was merged in order to test if it works. Regards Nick On 2014-12-27 03:19 AM, Pali Rohár wrote: > Hello, > > in attachment is output of ls -l /sys/bus/acpi/devices from both > 3.13 and 3.19 kernels. > > Anyway Gabriele Mazzotta wrote me that new acpi devices could be > created after commit faae404ebdc6bba (ACPICA: Add "Windows 2013" > string to _OSI support). > > Maybe this another output could help you: > > $ cat /sys/bus/acpi/devices/INT33C5\:00/status > 0 > $ cat /sys/bus/acpi/devices/INT33C5\:00/power_state > (unknown) > > Device INT33C5 is in that dmesg log: > acpi INT33C5:00: Cannot transition to non-D0 state from D3 > > And status 0 in sysnode could indicate that acpi device is not > present right? > > On Thursday 25 December 2014 17:59:36 nick wrote: >> 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