This bug is fixed in recent kernels.
Thanks:
** Changed in: linux (Ubuntu)
Status: Confirmed => Fix Released
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https://bugs.launchpad.net/bugs/1806437
Title:
acpi
** Changed in: linux
Status: Confirmed => Fix Released
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Title:
acpi PNP0C14:02: duplicate WMI GUID
Operating System: Kubuntu 20.04
KDE Plasma Version: 5.18.3
KDE Frameworks Version: 5.67.0
Qt Version: 5.12.5
Kernel Version: 5.4.0-18-generic
OS Type: 64-bit
Processors: 12 × Intel® Core™ i7-9750H CPU @ 2.60GHz
Memory: 15.4 GiB of RAM
Dell Precision 7540
Ubuntu Certified
Machine came with Ubuntu
** Attachment added: "acpi-dump.bin"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1806437/+attachment/5341270/+files/acpi-dump.bin
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Same story here on a Lenovo S340 Ideapad with Xubuntu 19.10. More details can
be found here https://superuser.com/q/1524979/865660
[1.045638] acpi PNP0C14:02: duplicate WMI GUID
05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01)
[1.045676] acpi PNP0C14:03: duplicate
>From the Superuser link I left above, I suspect that this causes suspend
issues.
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Title:
acpi PNP0C14:02: duplicate WMI GUID
_SB.WTBT._HID = "PNP0C14"
_SB.AMW0._HID = "PNP0C14"
_SB.AMW4._HID = "PNP0C14"
_SB.AMW2._HID = "PNP0C14"
So this system does have duplicated WMI devices, and they have different
functions. However, like what I said, WMI is not really a part of ACPI
specification, but a Microsoft specific standard.
Here is an ACPI dump on a Dell Latitude 5590 with kernel 5.5.3.
** Attachment added: "ACPI dump"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1806437/+attachment/5327674/+files/acpi-dump.bin
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https://github.com/torvalds/linux/blob/master/drivers/platform/x86/wmi.c#L1173
Such duplicated entries are dumped without further processing. Unless we find
further info, especially from ACPI standard, this is probably a WONTFIX.
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If possible, please attach your acpi dump for inspection:
$ sudo apt install acpica-tools
$ sudo acpidump -o acpi-dump.bin
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** Tags added: cscc
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Title:
acpi PNP0C14:02: duplicate WMI GUID
05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on
I get this bug on Ubuntu 18.10 with the kernel upgraded to 5.0.2 from the
ubuntu repository. My machine is an Acer Predator Helios 500 Ryzen.
acpi PNP0C14:01: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first
instance was on PNP0C14:00)
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Me also on a Lenovo X1 6 Gen on Debian 9:
dmesg =>
[2.611547] thinkpad_acpi: ThinkPad ACPI Extras v0.26
[2.611547] thinkpad_acpi: http://ibm-acpi.sf.net/
[2.611548] thinkpad_acpi: ThinkPad BIOS N23ET59W (1.34 ), EC unknown
[2.611549] thinkpad_acpi: Lenovo ThinkPad X1 Carbon 6th,
I experience this problem on HP Spectre x360 15-df0850nz, when trying to boot
from usb.
These lines are displayed and soon after the computer freezes.
Can this be the reason it fails to start?
acpi PNP0C14:04: duplicate WMI GUID 05901221-D566-11D1-B2F0-00A0C9062910 (first
instance was on
** Tags removed: hp-pavilion-360-14-cd0008la
** Tags added: hp-pavilion-x360-14-cd0008la
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Title:
acpi PNP0C14:02: duplicate WMI
** Tags added: hp hp-pavilion-360-14-cd0008la
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Title:
acpi PNP0C14:02: duplicate WMI GUID
05901221-D566-11D1-B2F0-00A0C9062910
Launchpad has imported 1 comments from the remote bug at
https://bugzilla.kernel.org/show_bug.cgi?id=201885.
If you reply to an imported comment from within Launchpad, your comment
will be sent to the remote bug automatically. Read more about
Launchpad's inter-bugtracker facilities at
** Bug watch added: Linux Kernel Bug Tracker #201885
https://bugzilla.kernel.org/show_bug.cgi?id=201885
** Also affects: linux via
https://bugzilla.kernel.org/show_bug.cgi?id=201885
Importance: Unknown
Status: Unknown
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dmesg 4.20.0-042000rc5-generic:
[1.880322] acpi PNP0C14:02: duplicate WMI GUID
05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01)
** Attachment added: "dmesg_4.20.0-042000rc5-generic.txt"
dmesg 4.19.0-7-generic:
[ 14.263457] acpi PNP0C14:02: duplicate WMI GUID
05901221-D566-11D1-B2F0-00A0C9062910 (first instance was on PNP0C14:01)
** Attachment added: "dmesg_4.19.0-7-generic.txt"
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