From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752660Ab1JJQXb (ORCPT ); Mon, 10 Oct 2011 12:23:31 -0400 Received: from e24smtp04.br.ibm.com ([32.104.18.25]:40066 "EHLO e24smtp04.br.ibm.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751928Ab1JJQXa (ORCPT ); Mon, 10 Oct 2011 12:23:30 -0400 Message-ID: <4E931BF6.6070706@linux.vnet.ibm.com> Date: Mon, 10 Oct 2011 13:23:18 -0300 From: Rajiv Andrade User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.6; rv:7.0.1) Gecko/20110929 Thunderbird/7.0.1 MIME-Version: 1.0 To: Stefan Berger CC: =?UTF-8?B?QXJrYWRpdXN6IE1pxZtraWV3aWN6?= , linux-kernel@vger.kernel.org, tpmdd-devel@lists.sourceforge.net, Debora Velarde , Marcel Selhorst Subject: Re: Linux 3.1-rc9 References: <201110092251.15618.a.miskiewicz@gmail.com> <4E925873.2020501@linux.vnet.ibm.com> In-Reply-To: <4E925873.2020501@linux.vnet.ibm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit x-cbid: 11101016-8936-0000-0000-000004B71F27 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 09/10/11 23:29, Stefan Berger wrote: > On 10/09/2011 04:51 PM, Arkadiusz Miśkiewicz wrote: >> On Wednesday 05 of October 2011, Linus Torvalds wrote: >>> Another week, another -rc. >> suspend to ram regression is annoying (still visible on rc9; >> https://lkml.org/lkml/2011/9/24/76) but unfortunately maintainers are >> silent. >> > I tried -rc9 on my Lenovo W500 with that same TPM. I cannot reproduce > the 'scheduling while atomic' problem you had reported earlier. I also > could suspend / resume fine as long as I did the following: > > - suspended with the tpm_tis driver as module in the kernel > - once a suspend was done without the tpm_tis driver the subsequent > suspends were all done without the tpm_tis driver > > Once I had done a suspend/resume with the tpm_tis driver *not* in the > kernel and then again a suspend with the tpm_tis driver in the kernel, > it did not resume anymore. I believe previously (previous version of > kernel and/or Fedora) it refused to even suspend. The reason why this > doesn't work properly is that the driver has to send a command to the > TPM upon suspend and the BIOS then sends the corresponding wakeup > command. > > Did you maybe previously suspend/resume without a tpm_tis driver and > then try to suspend with it ? > > Also, my Lenovo W500 shows particularly odd behavior when I switch > from Windows to Linux. The first suspend with a Linux booted after > Windows (with or without tpm_tis driver) does *not* resume (reboot > required). A subsequently rebooted Linux makes the suspend/resume work > fine. > > Stefan > Arkadiusz, Do you still see the issue with this patch [1][2] applied? [1] - http://marc.info/?l=linux-kernel&m=131824905826280&w=2 [2] - github.com/srajiv/tpm.git for-james Thanks, Rajiv