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While running an Ubuntu kernel (not a mainline or third-party kernel)
please enter the following command in a terminal window:
apport-collect 1890467
and then change the status of the bug to 'Confirmed'.
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This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
** Tags added: focal
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https://bugs.launchpad.net/bugs/1890467
Title:
wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control method not
found
Status in linux package in Ubuntu:
Incomplete
Bug description:
I run the kernel 5.4.0-42-generic on a fully up-to-date Ubuntu "focal" on
Dell Latitude E6440.
While scrolling through the output of `journalctl -b` I came across a warning
(marked yellow):
[ 0.659825] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query
control method not found
Now, since this is a warning, I get, ergo, warned. What is it that I
get warned about? Is it just a printf or is some action required? As
every computer, the laptop suffers from various problems from time to
time (e.g., boot or wakeup silently hangs up while the manufacturer
splash screen is displayed), so, I don't know whether this message
could be related to any of such problems.
Here is the context of this warning in dmesg:
# dmesg | grep -B 10 -A 5 "method not found"
[ 0.518379] rtc_cmos 00:02: setting system clock to 2020-08-05T15:23:54
UTC (1596641034)
[ 0.519455] Freeing unused decrypted memory: 2040K
[ 0.520119] Freeing unused kernel image memory: 2712K
[ 0.531430] Write protecting the kernel read-only data: 22528k
[ 0.532242] Freeing unused kernel image memory: 2008K
[ 0.532805] Freeing unused kernel image memory: 1192K
[ 0.540186] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 0.540514] x86/mm: Checking user space page tables
[ 0.547468] x86/mm: Checked W+X mappings: passed, no W+X pages found.
[ 0.547786] Run /init as init process
[ 0.659825] wmi_bus wmi_bus-PNP0C14:00: WQBC data block query control
method not found
[ 0.659921] ACPI Warning: SystemIO range
0x0000000000001828-0x000000000000182F conflicts with OpRegion
0x0000000000001800-0x000000000000183F (\_SB.PCI0.EHC2.E1PM)
(20190816/utaddress-204)
[ 0.661768] ACPI Warning: SystemIO range
0x0000000000001828-0x000000000000182F conflicts with OpRegion
0x0000000000001800-0x000000000000183F (\_SB.PCI0.EHC1.E1PM)
(20190816/utaddress-204)
[ 0.663121] ACPI Warning: SystemIO range
0x0000000000001828-0x000000000000182F conflicts with OpRegion
0x0000000000001800-0x000000000000187F (\PMIO) (20190816/utaddress-204)
[ 0.664516] ACPI: If an ACPI driver is available for this device, you
should use it instead of the native driver
[ 0.666167] e1000e: Intel(R) PRO/1000 Network Driver - 3.2.6-k
Some more info:
# ls -la /sys/devices/platform/PNP0C14:00
drwxr-xr-x 4 root root 0 Aug 5 17:23 .
drwxr-xr-x 29 root root 0 Aug 5 17:23 ..
lrwxrwxrwx 1 root root 0 Aug 5 17:23 driver ->
../../../bus/platform/drivers/acpi-wmi
-rw-r--r-- 1 root root 4096 Aug 5 18:09 driver_override
lrwxrwxrwx 1 root root 0 Aug 5 18:09 firmware_node ->
../../LNXSYSTM:00/LNXSYBUS:00/PNP0C14:00
-r--r--r-- 1 root root 4096 Aug 5 18:09 modalias
drwxr-xr-x 2 root root 0 Aug 5 18:09 power
lrwxrwxrwx 1 root root 0 Aug 5 17:23 subsystem -> ../../../bus/platform
-rw-r--r-- 1 root root 4096 Aug 5 17:23 uevent
drwxr-xr-x 3 root root 0 Aug 5 17:23 wmi_bus
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