From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mika Westerberg Subject: Re: [PATCH] platform/x86: intel-wmi-thunderbolt: Add dynamic debugging Date: Wed, 26 Sep 2018 21:34:29 +0300 Message-ID: <20180926183429.GP2664@lahna.fi.intel.com> References: <1537978258-2907-1-git-send-email-mario.limonciello@dell.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1537978258-2907-1-git-send-email-mario.limonciello@dell.com> Sender: linux-kernel-owner@vger.kernel.org To: Mario Limonciello Cc: dvhart@infradead.org, Andy Shevchenko , LKML , platform-driver-x86@vger.kernel.org List-Id: platform-driver-x86.vger.kernel.org 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 > Signed-off-by: Mario Limonciello Reviewed-by: Mika Westerberg