From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752954AbYC1NpN (ORCPT ); Fri, 28 Mar 2008 09:45:13 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752100AbYC1No6 (ORCPT ); Fri, 28 Mar 2008 09:44:58 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:2877 "EHLO spitz.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751466AbYC1No6 (ORCPT ); Fri, 28 Mar 2008 09:44:58 -0400 Date: Fri, 28 Mar 2008 14:44:51 +0100 From: Pavel Machek To: Ingo Molnar Cc: Andi Kleen , kernel list Subject: Re: agpgart: when telling user you'll corrupt his data, at least do it at KERN_CRIT Message-ID: <20080328134451.GB4544@ucw.cz> References: <20080328112507.GA10774@elf.ucw.cz> <20080328113528.GA8077@elte.hu> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20080328113528.GA8077@elte.hu> User-Agent: Mutt/1.5.9i Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri 2008-03-28 12:35:28, Ingo Molnar wrote: > > * Pavel Machek wrote: > > > IOMMU off means very bad stuff may happen, like data corruption on > > your hard drives. At least tells users this is serious... > > ouch. Please at minimum lets turn this into a panic(), but best would be > to trim memory in this case, hm? Andi tells me we already fallback to swiotlb, so messages are not on wrong loglevel; they contain confusing/obsolete text. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html