Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755277AbbF0ONB (ORCPT ); Sat, 27 Jun 2015 10:13:01 -0400 Received: from mail.skyhub.de ([78.46.96.112]:55767 "EHLO mail.skyhub.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753094AbbF0OMz (ORCPT ); Sat, 27 Jun 2015 10:12:55 -0400 Date: Sat, 27 Jun 2015 16:12:37 +0200 From: Borislav Petkov To: Daniel Vetter Cc: "Luck, Tony" , "Wang, Rui Y" , Dave Airlie , "Clark, Rob" , "Roper, Matthew D" , "Chen, Gong" , Linux Kernel Mailing List Subject: Re: drm/mgag200: doesn't work in panic context Message-ID: <20150627141237.GE26543@pd.tnic> References: <1435305314-14337-1-git-send-email-rui.y.wang@intel.com> <3908561D78D1C84285E8C5FCA982C28F32AA062A@ORSMSX114.amr.corp.intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 981 Lines: 27 On Sat, Jun 27, 2015 at 03:52:56PM +0200, Daniel Vetter wrote: > Hm, what do you mean by fixing this in the allocator? I've made some > rough sketch of the problem space in > http://www.x.org/wiki/DRMJanitors/ under "Make panic handling work". > Problem is that the folks which know what to do (drm hackers) have > zero incentive to fix it (since if you blow up a drm driver any kind > of fbcon panic handling is hopeless anyway). Ok, silly question: switching the GPU output to the simplest, supported-by-all-GPUs mode before panicking is not that easy too, right? Or does that mean, one needs to reinit GPU in order to even show something... Thanks. -- Regards/Gruss, Boris. ECO tip #101: Trim your mails when you reply. -- -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/