From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Rafael J. Wysocki" Subject: Re: commit 'ACPICA: Minimize the differences between linux GPE code and ACPICA code base' breaks EC GPE on my system Date: Fri, 11 Jun 2010 22:34:39 +0200 Message-ID: <201006112234.39747.rjw@sisk.pl> References: <1276256839.4251.7.camel@maxim-laptop> <201006112143.54654.rjw@sisk.pl> <1276288322.2651.4.camel@maxim-laptop> Mime-Version: 1.0 Content-Type: Text/Plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: Received: from ogre.sisk.pl ([217.79.144.158]:54347 "EHLO ogre.sisk.pl" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932215Ab0FKUg3 (ORCPT ); Fri, 11 Jun 2010 16:36:29 -0400 In-Reply-To: <1276288322.2651.4.camel@maxim-laptop> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Maxim Levitsky Cc: "linux-acpi@vger.kernel.org" , mjg59 , len.brown@intel.com, "Moore, Robert" , Linux PM On Friday, June 11, 2010, Maxim Levitsky wrote: > On Fri, 2010-06-11 at 21:43 +0200, Rafael J. Wysocki wrote: > > On Friday, June 11, 2010, Rafael J. Wysocki wrote: > > > On Friday, June 11, 2010, Maxim Levitsky wrote: > > > > Just bisected it. > > > > > > > > I also tried linux-acpi-next/test, and no change. > > > > > > > > The sympthoms are that EC does't sent any GPEs, and therefore battery > > > > insert/removal events don't show up. > > > > > > > > It can be see by doing 'grep . /sys/firmware/acpi/interrupts/*' > > > > With regression the line is shown like this: > > > > > > > > > > > > /sys/firmware/acpi/interrupts/gpe1C: 1 enabled > > > > > > > > Without regression it is > > > > > > > > /sys/firmware/acpi/interrupts/gpe1C: 22889 enabled > > > > > > > > and steadily increasing. > > > > > > > > After suspend/resume, regression disappears. > > > > > > Hmm. > > > > > > Can you please apply the following patches: > > > > > > https://patchwork.kernel.org/patch/104903/ > > > https://patchwork.kernel.org/patch/104912/ > > > https://patchwork.kernel.org/patch/104909/ > > > https://patchwork.kernel.org/patch/104911/ > > > https://patchwork.kernel.org/patch/104910/ > > > > > > on top of current -git and see if the problem is still there? > > > > Also, regardless of whether or not this helps, please try to revert only the > > changes made by the "guilty" commit in drivers/acpi/acpica/evxface.c and see > > if that helps (this revert will conflict with the patches above, so you'll need > > to unapply them before). > > > > Thanks, > > Rafael > > -- > > To unsubscribe from this list: send the line "unsubscribe linux-acpi" in > > the body of a message to majordomo@vger.kernel.org > > More majordomo info at http://vger.kernel.org/majordomo-info.html > > Yes, reverting changes in 'drivers/acpi/acpica/evxface.c' do restore > correct behavior. Good. I think we'll need to revert them for .35, then. I'll prepare a patch and send it to Len. Rafael