Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S263575AbVBDQQR (ORCPT ); Fri, 4 Feb 2005 11:16:17 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S266292AbVBDQQR (ORCPT ); Fri, 4 Feb 2005 11:16:17 -0500 Received: from gprs215-42.eurotel.cz ([160.218.215.42]:28388 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S263575AbVBDQQI (ORCPT ); Fri, 4 Feb 2005 11:16:08 -0500 Date: Fri, 4 Feb 2005 17:15:29 +0100 From: Pavel Machek To: Carl-Daniel Hailfinger Cc: Oliver Neukum , ncunningham@linuxmail.org, ACPI List , Linux Kernel Mailing List Subject: Re: [RFC] Reliable video POSTing on resume Message-ID: <20050204161529.GB1290@elf.ucw.cz> References: <20050122134205.GA9354@wsc-gmbh.de> <4202DF7B.2000506@gmx.net> <20050204074802.GD1086@elf.ucw.cz> <200502041126.14386.oliver@neukum.org> <42035D5A.2030703@gmx.net> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <42035D5A.2030703@gmx.net> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1055 Lines: 26 Hi! > >>What about simply blocking all video accesses before disk (etc) is > >>resumed, so that "normal" (not locked in memory) application can be > >>used? > > > > Very bad for debugging. Genuine serial ports are becoming rarer. > > As a bonus, even genuine serial ports may be in undefined state after > resume. I'm unfortunate enough to have a brand new notebook with > serial port, but the serial console code will print garbage after > resume until I do a > echo foo >/dev/ttyS0 It seems that open helps here. Can you confirm with >/dev/ttyS0 (i.e. without echo foo?). If it helps, all you need to do is simulate open/close from _resume() routine.... Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - 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/