From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751314AbdAUJLJ (ORCPT ); Sat, 21 Jan 2017 04:11:09 -0500 Received: from mail.linuxfoundation.org ([140.211.169.12]:57684 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750874AbdAUJLC (ORCPT ); Sat, 21 Jan 2017 04:11:02 -0500 Date: Sat, 21 Jan 2017 10:11:12 +0100 From: Greg KH To: Mario.Limonciello@dell.com Cc: dvhart@infradead.org, rafael.j.wysocki@intel.com, pmenzel@molgen.mpg.de, linux@leemhuis.info, tomas.winkler@intel.com, jan@gondor.com, alexander.usyskin@intel.com, linux-kernel@vger.kernel.org, yu.c.chen@intel.com, tomi.p.sarvela@intel.com, daniel@quora.org, len.brown@intel.com, linux-pm@vger.kernel.org Subject: Re: Regression on Dell XPS13 (was: [char-misc for 4.10-rc4 V2] mei: bus: enable OS version only for SPT and newer) Message-ID: <20170121091112.GD27048@kroah.com> References: <5B8DA87D05A7694D9FA63FD143655C1B5437C2D3@hasmsx108.ger.corp.intel.com> <20170115105830.GD26374@kroah.com> <20170116110539.GA1307@kroah.com> <1b1feb50-2b22-b7e7-0fb8-2011340f5c47@leemhuis.info> <55b349b2-2999-94d5-9f68-b1944df1d374@molgen.mpg.de> <954f9b4e8bd844c98f8d3c12f0fe366f@ausx13mpc120.AMER.DELL.COM> <20170117182337.GB12600@kroah.com> <4fc46eab4a174e44b6d28b7ecf979ec9@ausx13mpc120.AMER.DELL.COM> <20170117233346.GA2599@wisp> <52d8844460324d62b6e10dd540f64351@ausx13mpc120.AMER.DELL.COM> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <52d8844460324d62b6e10dd540f64351@ausx13mpc120.AMER.DELL.COM> User-Agent: Mutt/1.7.2 (2016-11-26) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 20, 2017 at 11:11:45PM +0000, Mario.Limonciello@dell.com wrote: > Greg, > > > -----Original Message----- > > From: Darren Hart [mailto:dvhart@infradead.org] > > Sent: Tuesday, January 17, 2017 5:34 PM > > To: Limonciello, Mario > > Cc: gregkh@linuxfoundation.org; rafael.j.wysocki@intel.com; > > pmenzel@molgen.mpg.de; linux@leemhuis.info; tomas.winkler@intel.com; > > jan@gondor.com; alexander.usyskin@intel.com; linux-kernel@vger.kernel.org; > > yu.c.chen@intel.com; tomi.p.sarvela@intel.com; daniel@quora.org; > > len.brown@intel.com; linux-pm@vger.kernel.org > > Subject: Re: Regression on Dell XPS13 (was: [char-misc for 4.10-rc4 V2] mei: > > bus: enable OS version only for SPT and newer) > > > > On Tue, Jan 17, 2017 at 06:38:43PM +0000, Mario.Limonciello@dell.com > > wrote: > > > > -----Original Message----- > > > > From: Greg KH [mailto:gregkh@linuxfoundation.org] > > > > Sent: Tuesday, January 17, 2017 12:24 PM > > > > To: Limonciello, Mario > > > > Cc: pmenzel@molgen.mpg.de; rafael.j.wysocki@intel.com; > > > > linux@leemhuis.info; tomas.winkler@intel.com; jan@gondor.com; > > > > alexander.usyskin@intel.com; linux-kernel@vger.kernel.org; > > > > yu.c.chen@intel.com; tomi.p.sarvela@intel.com; daniel@quora.org; > > > > len.brown@intel.com; linux-pm@vger.kernel.org > > > > Subject: Re: Regression on Dell XPS13 (was: [char-misc for 4.10-rc4 V2] mei: > > > > bus: enable OS version only for SPT and newer) > > > > > > > > On Tue, Jan 17, 2017 at 04:57:49PM +0000, Mario.Limonciello@dell.com > > > > wrote: > > > > > So in the <6s scenario, the intel-hid driver is responsible to > > > > > receive the ACPI event and process accordingly. The maintainer > > > > > has a patch ready for the intel-hid portion of this work, but it's > > > > > currently being reviewed by Intel to ensure it can be legally submitted > > into the kernel. > > > > > > > > Who at Intel do I need to go kick to make this mythical legal review > > > > happen faster so we can see the code? > > > > > > > > Len and Rafael, what is going on here? > > > > > > > > > > Len and Darren are both in the loop on the discussion around this patch. > > > I don't know if they'll have any (public) comments they can add on the > > > matter yet however. > > > > Thanks Mario. Yes, there isn't much to say here in public other than to confirm > > we are keenly aware of the problem and have been actively working on fixing > > it, both for this instance, and the deeper systematic failure that resulted in this > > situation. No amount of kicking will expedite the process at this point, but > > should we feel the need, we'll reach out. > > > > The approval has come through and the patch has been submitted. > http://www.spinics.net/lists/platform-driver-x86/msg10286.html Looks like it needs some work :) And why isn't it tagged to go to the 4.10-stable kernel if it really does fix some systems? > Note: this is only half of the fix, the second half needs the ACPI subsystem to > not be frozen to be able to receive this event. Where is that change? I'm still worried about 4.10-final, is that going to be broken for these types of systems? thanks, greg k-h