Re: [PATCH] platform/x86: intel-wmi-thunderbolt: Add dynamic debugging

From: Mika Westerberg
Date: Wed Sep 26 2018 - 14:34:35 EST


On Wed, Sep 26, 2018 at 11:10:58AM -0500, Mario Limonciello wrote:
> Some users have been reporting issues with thunderbolt being turned off
> before fully initialized. This is suspected to be caused by userspace
> turning off the Thunderbolt controller using intel-wmi-thunderbolt
> prematurely.
>
> Details are available here:
> https://bugzilla.kernel.org/show_bug.cgi?id=201227
> https://bugzilla.kernel.org/show_bug.cgi?id=199631
>
> Userspace has already made some mitigiations for this situation:
^^^^^^^^^^^^
mitigations?

> https://github.com/hughsie/fwupd/commit/ef6f1d76983c9b66
> https://github.com/hughsie/fwupd/commit/c07ce5b4889a5384
>
> To allow easier debugging of this situation add output that can be turned
> on with dynamic debugging to better root cause this problem.
>
> Suggested-by: Mika Westerberg <mika.westerberg@xxxxxxxxx>
> Signed-off-by: Mario Limonciello <mario.limonciello@xxxxxxxx>

Reviewed-by: Mika Westerberg <mika.westerberg@xxxxxxxxxxxxxxx>