The failures,
method: Detected error 'Not found' when evaluating
'\_SB_.PCI0.PEG0.PEGP.DD02._BCL'.
method: Detected error 'Not found' when evaluating
'\_SB_.PCI0.PEG0.PEGP.DD02._BCM'.
method: Detected error 'Not found' when evaluating
'\_SB_.PCI0.PEG0.PEGP.DD02._BQC'.
klog: HIGH Kernel message: [ 10.541990] ACPI Error:
[\_SB_.PCI0.GFX0.DD02._BCL] Namespace lookup failure, AE_NOT_FOUND
(20131115/psargs-359)
klog: HIGH Kernel message: [ 10.541998] ACPI Error: Method parse/execution
failed [\_SB_.PCI0.PEG0.PEGP.DD02._BCL] (Node ffff880070754a28), AE_NOT_FOUND
(20131115/psparse-536)
these failures are from buggy firmware that implements _BCL, _BCM and
_BQC on '\_SB_.PCI0.PEG0.PEGP.DD02 that uses the _BCL, _BCM and _BQC on
\_SB.PCI0.GFX0.DD02, but the _BCL, _BCM and _BQC are not implemented.
these ACPI methods, might affect the brightness control, but brightness
seems controlled by the_BCL, _BCM from \_SB_.PCI0.PEG0.PEGP.DD01. Need
to confirm if there are no brightness issue on this machine.
** Changed in: linux-lts-trusty (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux-lts-trusty (Ubuntu)
Status: New => Won't Fix
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https://bugs.launchpad.net/bugs/1362532
Title:
[Dell Inspiron 3421] HIGH / CRITICAL failures found in fwts test on
12.04.5
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