Upstream seems to have a patch for this.
commit e284175a96e5af087ea7806b3e38282b524ff5b9
Author: Jiang Liu jiang@linux.intel.com
Date: Thu Feb 20 17:23:16 2014 +0800
ACPI / nouveau: fix probing regression related to _DSM
Fix regression caused by commit b072e53, which breaks
Some additional information for #6:
nouveau_acpi.c calls _DSM with params[3].type = ACPI_TYPE_BUFFER and
params[3].type = ACPI_TYPE_INTEGER, and the errors complains that
driver's implementation does not meet ACPI's spec. NV's closed-source
driver seem to have the same problem. I suspect whether
** Attachment added: results.log
https://bugs.launchpad.net/ubuntu/+source/fwts/+bug/1297207/+attachment/4090668/+files/results.log
** Changed in: fwts (Ubuntu)
Status: In Progress = Won't Fix
** Changed in: linux-lts-saucy (Ubuntu)
Status: In Progress = Won't Fix
** Changed
The below error message is very common and it won't cause obvious errors
except pcie hotplug - it can be safely ignored.
FAILED [HIGH] KlogOscRequestFailed: Test 1, HIGH Kernel message: [
0.186127] acpi PNP0A08:00: ACPI _OSC request failed (AE_SUPPORT),
returned control mask: 0x04
--
You
I executed fwts klog with fwts: Version V14.03.01, and errors in #2 are
gone.
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https://bugs.launchpad.net/bugs/1297207
Title:
[Lenovo W540] klog failures: KlogAcpiSleepStateEvalFailed,
The below error messages seem to be the result of kernel module calling
_DSM incorrectly, meaning not a BIOS bug. However, if Switch Graphics is
out-of-scope, it is not a blocker.
FAILED [HIGH] KlogAcpiBadAmlCode: Test 1, HIGH Kernel message: [ 7.995697] ACPI
Warning: \_SB_.PCI0.PEG_.VID_._DSM:
The below two errors are no longer HIGH with latest fwts - as it is
kernel which is incorrectly implemented; however they are harmless.
FAILED [HIGH] KlogAcpiSleepStateEvalFailed: Test 1, HIGH Kernel message: [
0.167688] ACPI Exception: AE_NOT_FOUND, While evaluating Sleep State [\_S1_]
@Yung,
Please attach acpidump.
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https://bugs.launchpad.net/bugs/1297207
Title:
[Lenovo W540] klog failures: KlogAcpiSleepStateEvalFailed,
KlogOscRequestFailed, KlogAcpiBadAmlCode
** Changed in: fwts (Ubuntu)
Assignee: Yang Kun (YK) (dayangkuncn) = Alex Hung (alexhung)
** Changed in: linux-lts-saucy (Ubuntu)
Assignee: (unassigned) = Alex Hung (alexhung)
** Changed in: fwts (Ubuntu)
Status: New = Incomplete
** Changed in: fwts (Ubuntu)
Status:
@Alex,
This is an acpidump log from fresh installed 12.04.4 on the same
hardware.
** Attachment added: acpidump.log for 201308-14114 on 12.04.4
https://bugs.launchpad.net/ubuntu/+source/fwts/+bug/1297207/+attachment/4090638/+files/201308-14114_12.04.4_acpidump.log
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** Changed in: linux-lts-saucy (Ubuntu)
Importance: Undecided = Medium
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Title:
[Lenovo W540] klog failures: KlogAcpiSleepStateEvalFailed,
** Also affects: linux-lts-saucy (Ubuntu)
Importance: Undecided
Status: New
** Changed in: fwts (Ubuntu)
Assignee: (unassigned) = Yang Kun (YK) (dayangkuncn)
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** Changed in: fwts (Ubuntu)
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/1297207
Title:
[Lenovo W540] klog failures: KlogAcpiSleepStateEvalFailed,
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