[Bug 66240] New: [HSW] Boot up with error information in dmesg

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=66240

          Priority: medium
            Bug ID: 66240
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [HSW] Boot up with error information in dmesg
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: All
          Reporter: yangweix.shui at intel.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 81528
  --> https://bugs.freedesktop.org/attachment.cgi?id=81528&action=edit
dmesg: HSW mobile error information

Environment:
--------------------------------
Kernel: (drm-intel-next-queued)6dd8224ec64c809dad5ceceac299918f5d9c7c31
Some additional commit info:
Author: Ville Syrjälä <ville.syrjala at linux.intel.com>
Date:   Wed Jun 26 17:44:15 2013 +0300

    drm/i915: Mask out hardware status bits from VLV DPLL register

HSW mobile:
MSI Haswell Notebook MSI MS-16GC Notebook 15.6; Host bridge ID=0x0c04 (rev
06);VGA ID=0x0416 (rev06);CPU: i7-4700MQ 2.4GHz stepping c3; BIOS: E16GCIMS.509
(04/24/2013) EC: 16GCEMS1 ver5.00 (04/12/2013);ME: 9.0.2.1345; MEM: 8G ;

HSW ULT:
Harris Beach SDS Ultrabook PVT1 C0 stepping C1 (id=0x0a26, rev 09),Lynx
Point-LP 03 (B1 stepping) and Host bridge id=0x0a04 (rev 09) 2Cores/4Thread,
CPU i7-4350U 1.40GHz,cpu MHz:1400 GT3（0x20) 1100MHz; BIOS version: V130 (old
V115.RA6); KSC version:V1.27(old V1.22); ME: 9.5.0.1406; Mem: 4G 1600MHz;

Description:
---------------------------------
Test with latest -next-queued or -nightly kernel, there's error messages we
could easily found in dmesg. 

On HSW mobile and ULT:
--------------
[    0.253964] ACPI Error: No handler for Region [EC__] (ffff88024609bc18)
[EmbeddedControl] (20130328/evregion-161)
[    0.253967] ACPI Error: Region EmbeddedControl (ID=3) has no handler
(20130328/exfldio-305)
[    0.253969] ACPI Error: Method parse/execution failed
[\_SB_.PCI0.LPCB.EC__._REG] (Node ffff88024609c2f8), AE_NOT_EXIST
(20130328/psparse-537)
[    2.959373] ACPI Error: [\_SB_.PCI0.GFX0.DD02._BCL] Namespace lookup
failure, AE_NOT_FOUND (20130328/psargs-359)
[    2.959377] ACPI Error: Method parse/execution failed
[\_SB_.PCI0.PEG0.PEGP.DD02._BCL] (Node ffff8802460cc820), AE_NOT_FOUND
(20130328/psparse-537)
[   10.522884] ALSA sound/pci/hda/hda_intel.c:3817 Error request power-well
from i915

On HSW desktop:
--------------
[    2.001977] ALSA sound/pci/hda/hda_intel.c:3817 Error request power-well
from i915

Reproduce step:
-------------
1. reboot machine.
2. dmesg | grep -i "error"

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