Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965807AbXBOKkv (ORCPT ); Thu, 15 Feb 2007 05:40:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965822AbXBOKkv (ORCPT ); Thu, 15 Feb 2007 05:40:51 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:54682 "EHLO amd.ucw.cz" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S965807AbXBOKku (ORCPT ); Thu, 15 Feb 2007 05:40:50 -0500 Date: Thu, 15 Feb 2007 11:40:32 +0100 From: Pavel Machek To: =?iso-8859-1?B?Uy7HYT8/bGFy?= Onur Cc: lkml Subject: Re: [BUG] at drivers/char/vt.c:3332 do_blank_screen() on resume Message-ID: <20070215104032.GL26240@elf.ucw.cz> References: <200702090838.21060.caglar@pardus.org.tr> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200702090838.21060.caglar@pardus.org.tr> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.11+cvs20060126 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1197 Lines: 30 Hi! > With 2.6.20, resuming from disk sometimes cannot returns on vt7 where X runs > but everything seems working, so just changing to vt1 and returning to vt7 > solves the problem. But dmesg shows some BUG() output like [1] whenever this > problem occurs > > I'm using 20070207 snapshot of suspend, s2disk is used to suspend2disk, > machine is a Sony Vaio FS-215B which is in the whitelist and works well with > 2.6.16/17/18 (all have fbsplash and vesafb-tng patches [from gentoo] > applied). > > [1] http://cekirdek.pardus.org.tr/~caglar/dmesg.2.6.20 Contact fbcon people... They are calling do_blank_screen+0x4e/0x218 from fbcon_event_notify+0x8f1/0xa1e ... probably without taking neccessary locks. Aha, it seems their blanking code triggers _while_ resuming, which is not exactly nice. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html - 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/