** Tags added: cscc
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Title:
acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
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* Acer TravelMate B117-M
* Lubuntu 16.04 LTS HWE 64 bit up-to-date
I can see this error since I installed the system for the first time.
$ zgrep "disabling ASPM" /var/log/*
acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
Kernels 4.10.0.40-generic, 4.13.0-26-generic, 4.13.0-31-generic
Good to see that it was a BIOS tweakable setting that could fix this.
BTW, the FADT is an ACPI table "Fixed ACPI Description Table" that
contains setting mainly for power management as well as other hardware
resources. See: http://wiki.osdev.org/FADT
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I found the reason for error message. It was caused by my system BIOS setting.
Motherboard: ASUS Z170M-Plus
Driver: Z170M-PLUS BIOS 3301 updated 2017/03/02 (latest driver when posting
this comment)
In BIOS main, I went to Advanced --> Platform Msc Configuration.
In this page, I had to set:
- PCI
@colin-king. Noted. So what is causing the "acpi PNP0A08:00: _OSC failed
(AE_ERROR); disabling ASPM"?
Btw, what is a FADT?
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Title:
acpi
@SunBear. I very much doubt PCIe ASPM being disabled is any connection
with the USB charging not working.
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Title:
acpi PNP0A08:00: _OSC failed
I am reporting the same issue in UBUNTU 16.04 LTS 4.4.0-64-generic.
[0.186376] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
I noticed the following messages preceding this error message.
[0.144970] ACPI FADT declares the system doesn't support PCIe ASPM, so
disable it
[
Attaching a dump from Lenovo T560p. Is issue with the firmware as
described above?
** Attachment added: "t560p acpidump"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349740/+attachment/4829019/+files/acpitables.log
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@Alex,
Your ACPI DSDT contains the following ACPI code:
Name (GUID, ToUUID ("33db4d5b-1ff7-401c-9657-7441c03dd766") /* PCI
Host Bridge Device */)
Name (SUPP, Zero)
Name (CTRL, Zero)
Name (XCNT, Zero)
Method (_OSC, 4, Serialized) //
Dear again,
Sorry for the noise.
I use Debian 8.7 and the kernel 4.8.
I've upgraded acpidump and now I can provide you a log :
http://sprunge.us/HjIG
Best regards.
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Hey Colin,
When I run following command "sudo acpidump > acpitables.log", I obtain a error
message :
http://paste.ubuntu.com/23893961/
Best regards.
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@Musbach:
decode_osc_support(root, "OS supports", support);
status = acpi_pci_osc_support(root, support);
if (ACPI_FAILURE(status)) {
dev_info(>dev, "_OSC failed (%s); disabling ASPM\n",
acpi_format_exception(status));
The bug is still present in 16.04.1 LTS. The BIOS settings don't
influence the behavior: ASPM on or off. It is a bug in the kernel.
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Title:
acpi
So, just to add some more clarification, this is not a kernel bug, but a
"feature" in your BIOS firmware and hence can't be fixed. The above
notes do explain how to workaround this, but beware that it may not be a
viable fix for your machine.
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This error message occurs when the kernel runs the root PCI bridge _OSC
control method in your firmware and the execution fails, perhaps due to
a bug in the firmware or perhaps it does not exist. The kernel hence
cannot determine the features supported or capabilities provided by the
device (as
I have this bug in Ubuntu 15.10 x86_64
[0.284016] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
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Title:
acpi PNP0A08:00: _OSC
Also affects kernel 3.19.0-22-generic in Ubuntu 15.04 x86_64
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Title:
acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
To manage
Bug is present in upstream Kernel 4.0.4 as well.
Kernerl: 4.0.4-generic x86_64
Distro : Kubuntu 15.04
Hardware:
Processor: Quad Core Intel i7-4700qm
GPU : Nvidia 740M (unused, nouveau blacklisted and proprietary
drivers not installed) and Intel 4600M (driver version 06)
RAM
Kernel: 3.19.0-16-generic x86_64 (64 bit, gcc: 4.9.2)
Distro: Lubuntu 15.04 vivid
Hardware: HP ENVY 14-k018tx laptop
CPU: Quad core Intel Core i7-4500U
$ dmesg | grep failed
[ 4.060556] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
** Attachment added: output of grep -i
Kernel: 4.1.0-999-generic x86_64 (64 bit, gcc: 4.6.3)
Desktop: LXDE (Openbox 3.5.2) Distro: Ubuntu 15.04 vivid
System: LENOVO product: 12989YG version: ThinkPad Edge E320
Mobo: LENOVO model: 12989YG Bios: LENOVO version: 8NET36WW (1.20 ) date:
03/01/2013
CPU: Dual core Intel Core i5-2450M
The same with Ubuntu 14.04.1 LTS, kernel 3.14
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Title:
acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
To manage notifications about
I have all the latest updates. But some times my machine suddenly
crashes. So I looked at the /var/log/syslog and I reached this bug
report.
I am attaching the file.
** Attachment added: syslog.zip
Affect by this bug too.
** Attachment added: dmesg.txt
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349740/+attachment/4288661/+files/dmesg.txt
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Same issue on stock Dell Inspiron 17R SE 7720, Ubuntu 14.04 w/EnhanceIO
ssd caching, Win 7 w/Intel iRST ssd caching, Linux 3.17.4 kernel.
An hour of googling led to kernel parameter pci=nocrs without any change
except, clearing up the message kernel: [0.211061] PCI: Ignoring
host bridge
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=85931
Importance: Unknown
Status: Unknown
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Title:
acpi
Having this problem myself on Acer Aspire E5-511. Can't poweroff (but
can halt) and there are a few suspect dmesg entries for a cause, but it
may help lead to a solution, assuming the upcming 3.18 kernel won't hold
great untold treasures of course!
See bug report upstream
[Expired for linux (Ubuntu) because there has been no activity for 60
days.]
** Changed in: linux (Ubuntu)
Status: Incomplete = Expired
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Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.16 kernel[0].
If this bug is fixed in the mainline kernel, please add the following
tag 'kernel-fixed-upstream'.
If the mainline kernel does not fix
[0.186187] acpi PNP0A08:00: _OSC failed (AE_ERROR); disabling ASPM
** Attachment added: dmesg_v3.16-rc7.log
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1349740/+attachment/4165341/+files/dmesg_v3.16-rc7.log
** Tags added: kernel-bug-exists-upstream
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