From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thomas Renninger Subject: Re: [RESEND] [PATCH 2/3] Introduce acpi_root_table=rsdt boot param and dmi list to force rsdt Date: Tue, 21 Oct 2008 11:53:49 +0200 Message-ID: <200810211153.52380.trenn@suse.de> References: <200810192350.57993.trenn@suse.de> <20081020184754.GL18277@khazad-dum.debian.net> <20081020185241.GA14155@srcf.ucam.org> Mime-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Return-path: Received: from mx2.suse.de ([195.135.220.15]:55557 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752024AbYJUJxz (ORCPT ); Tue, 21 Oct 2008 05:53:55 -0400 In-Reply-To: <20081020185241.GA14155@srcf.ucam.org> Content-Disposition: inline Sender: linux-acpi-owner@vger.kernel.org List-Id: linux-acpi@vger.kernel.org To: Matthew Garrett Cc: Henrique de Moraes Holschuh , Len Brown , linux-acpi , Zhao Yakui , me@markdoughty.co.uk, linux-thinkpad , "devel@acpica.org" On Monday 20 October 2008 20:52:41 Matthew Garrett wrote: > On Mon, Oct 20, 2008 at 04:47:54PM -0200, Henrique de Moraes Holschuh wrote: > > On Mon, 20 Oct 2008, Matthew Garrett wrote: > > > C state transitions, not S state. Working properly here means not > > > hanging the moment ACPI processor power management starts. > > > > I see, but my point remains. Does a version of Windows that was tested > > to do C-state transitions on the R50e and R40e even use the XSDT? > > Vista is known to run on the R50e. See > http://forums.lenovo.com/lnv/board/message?board.id=R_Series_Thinkpads&thre >ad.id=3467 , for instance. Linux is also known to run with the R50e: Hardware Environment: IBM Thinkpad R51e Problem Description: Since kernel 2.6.20 the acpi modules take an unacceptable time to load. Later: Ok I can confirm this patch works. Finally after using 2.6.22 for ages i can update. Thank you all for your effort. The C-state problem which gets fixed by these is the R40e. Thomas