From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexey Starikovskiy Subject: Re: The regression about EC GPE storm on the latest linus git tree Date: Thu, 13 Nov 2008 11:32:57 +0300 Message-ID: <491BE639.6070407@suse.de> References: <1226539214.4006.70.camel@yakui_zhao.sh.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from charybdis-ext.suse.de ([195.135.221.2]:42087 "EHLO emea5-mh.id5.novell.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750824AbYKMIdB (ORCPT ); Thu, 13 Nov 2008 03:33:01 -0500 In-Reply-To: <1226539214.4006.70.camel@yakui_zhao.sh.intel.com> Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Zhao Yakui Cc: lenb@kernel.org, linux-acpi@vger.kernel.org Hi Yakui, Does your latest kernel include yesterday pool of patches? Thanks, Alex. Zhao Yakui wrote: > Hi, Alexey > I do some tests on the latest kernel and find that there exists the > EC GPE storm on the three laptops. And then EC will work in polling > mode. One is Asus EEEPC 1000. The other are HP laptops. > > I do the similar test on the previous kernel(for example: > 2.6.27-rc6, 2.6.27.4) and there is no EC GPE storm on the three laptops. > The EC works in EC GPE interrupt mode. > After the EC debug is used on the 2.6.27-rc6 kernel, I find that at > most 8 EC interrupts are triggered in each EC transaction(This includes > the effective EC GPE interrupts). In such case it should not be regarded > as EC GPE storm. > > The attached are the dmesg info on the Asus EEEPC 1000. (One is > based on the latest git tree. One is based on 2.6.27-rc6 kernel). > If you need to investigate the root cause about the EC GPE storm, > please tell me what I should do. I will try my best to test the patch > from you and give response. > > Thanks. > Yakui > >