From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from static.146.197.76.144.clients.your-server.de ([144.76.197.146]:53629 "EHLO desertbit.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756125AbcH2H5u (ORCPT ); Mon, 29 Aug 2016 03:57:50 -0400 Received: from localhost (localhost [127.0.0.1]) by desertbit.com (Postfix) with ESMTP id BD0CF75A10B3 for ; Mon, 29 Aug 2016 09:57:47 +0200 (CEST) Received: from desertbit.com ([127.0.0.1]) by localhost (mail.desertbit.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id bxL1+eJxN9nV for ; Mon, 29 Aug 2016 09:57:45 +0200 (CEST) Subject: Re: Kernel Freeze with American Megatrends BIOS To: linux-pci@vger.kernel.org References: <004c7dbe-2014-c691-29d1-7a45f3b73dfa@desertbit.com> From: Roland Singer Message-ID: <4b63bcfa-e69e-dba5-a69e-1f4706a219b3@desertbit.com> Date: Mon, 29 Aug 2016 09:56:36 +0200 MIME-Version: 1.0 In-Reply-To: <004c7dbe-2014-c691-29d1-7a45f3b73dfa@desertbit.com> Content-Type: text/plain; charset=utf-8 Sender: linux-pci-owner@vger.kernel.org List-ID: Updated the affected machines list: - Clevo P651RA (i7-6700HQ/GTX 965M, part of the P6xxRx family which are also affected) - MSI GE62 Apache Pro (i7-6700HQ/GTX 960M) - Gigabyte P35V5 (i7-6700HQ/GTX 970M) - Razer Blade 14" (2016) (i7-6700HQ/GTX 970M) (BIOS 5.11, 04/07/2016) - Dell Inspiron 7559 (i7-6700HQ/GTX 960M) (BIOS 1.1.3, 11/05/2015) Am 23.08.2016 um 11:23 schrieb Roland Singer: > Hi, > > hope somebody can help me fix this kernel problem which affects the following machines: > > - Clevo P651RA (i7-6700HQ/GTX 965M, part of the P6xxRx family which are also affected) > - MSI GE62 Apache Pro (i7-6700HQ/GTX 960M) > - Gigabyte P35V5 (i7-6700HQ/GTX 970M) > - Razer Blade 14" (2016) (i7-6700HQ/GTX 970M) (BIOS 5.11, 04/07/2016) > > > The kernel freezes if the graphical user session (Xorg & Wayland) is > started with a switched off discrete GPU card (NVIDIA). > If the discrete GPU is switched off after the graphical session start, > then everything works as expected, until the graphical session is restarted. > > This problem seams to be linked to specific BIOS settings. If the computer > is started with the following command line: > > acpi_osi=! acpi_osi="Windows 2009" > > then the kernel freeze does not occur anymore. However this required a special > ACPI DSDT firmware patch for the Razer Blade 2016 laptop: > > https://github.com/m4ng0squ4sh/razer_blade_14_2016_acpi_dsdt > > I strongly recommend to fix this in the kernel and I am ready to help and solve > this problem with some help. > > Here is a link to the GitHub issue with further information: > > https://github.com/Bumblebee-Project/Bumblebee/issues/764#issuecomment-241212595 > > Here are some more detailed information: > > https://github.com/Lekensteyn/acpi-stuff/blob/master/Clevo-P651RA/notes.txt > > Hope somebody can help. > > Thanks! > > Roland Singer > -- > To unsubscribe from this list: send the line "unsubscribe linux-pci" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html >