Ack: dell-mwi: Demote unknown WMI event message to pr_debug
 

On Fri, Dec 09, 2011 at 11:08:00AM -0600, Seth Forshee wrote:
> This message is informational in nature, but frequently users see it and
> believe that there is a problem on their system. Dell has signaled their
> intention to add support upstream for the events causing these messages
> in the coming weeks. I'd like to silence this message in all affected
> kernels to prevent new bugs from being reported.
>
> == SRU Justification ==
>
> Impact: Many Dell systems send WMI events that are unknown to the
> dell-wmi driver, and in response dell-wmi prints a "Received unknwon WMI
> event ..." message. This is harmless; some minimal functionality may be
> missing from not knowing how to interpret the events, but there is no
> problem with leaving the events unprocessed. However, the messages can
> clutter up the kernel logs and can also cause users to fear that there
> is a problem with their system.
>
> Fix: Demote these messages to pr_debug until we know how to handle them,
> causing them to no longer be printed by default.
>
> Test Case: Using a patched driver results in the messages no longer
> appearing in the kernel log.
>
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