Bug 201881

Summary: hp_wmi: query 0xd returned error 0x5
Product: Platform Specific/Hardware Reporter: Cristian Aravena Romero (caravena)
Component: x86-64Assignee: platform_x86_64 (platform_x86_64)
Status: NEW ---    
Severity: normal CC: colin.king, kernel-NTEO
Priority: P1    
Hardware: All   
OS: Linux   
Kernel Version: Ubuntu 4.18.0-11.12-generic 4.18.12 Tree: Mainline
Regression: No

Description Cristian Aravena Romero 2018-12-04 12:15:04 UTC

Open bug in launchpad.net

hp_wmi: query 0xd returned error 0x5

Best regards,
Cristian Aravena Romero (caravena)
Comment 1 Colin Ian King 2018-12-04 12:28:47 UTC
This does not appear to be an error to worry about. The WMI driver for your machine is performing a feature query with the ACPI driver with HPWMI_FEATURE2_QUERY. This seems to be a feature that is enabled on HP WMI firmware from around 2009 onwards. Some machines may support this, however it seems that your firmware does not seem to have support for this, hence the query failure.

The kernel throws a warning message to indicate that this feature is not supported. I doubt this is something you need to worry about.
Comment 2 Cristian Aravena Romero 2018-12-04 12:40:17 UTC
A more friendly message?
Comment 3 Colin Ian King 2018-12-04 12:43:30 UTC
If we fill the kernel up with friendly messages it will be massive. It's already got >100,000 kernel messages.
Comment 4 Colin Ian King 2018-12-04 12:45:32 UTC
Most warnings like this are really for the per driver kernel developers.
Comment 5 NotTheEvilOne 2019-01-06 09:08:23 UTC

This issue seems not to be only a warning / developer specific log message. An "HP Elite x2 1013 G3" has no working "hp-wmi" sysfs entries at all. E.g. trying to output "/sys/devices/platform/hp-wmi/als" results in the reported log message. As error code 0x05 indicates "invalid parameters" my guess would be that another variant of the "hp_wmi_bios_2009_later()" would be required or that the WMI methods have been removed. I would appreciate to provide more details if guided how to further debug / receive details needed.