Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261268AbVAUAEe (ORCPT ); Thu, 20 Jan 2005 19:04:34 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261253AbVAUAEe (ORCPT ); Thu, 20 Jan 2005 19:04:34 -0500 Received: from gate.crashing.org ([63.228.1.57]:62861 "EHLO gate.crashing.org") by vger.kernel.org with ESMTP id S261274AbVAUAE0 (ORCPT ); Thu, 20 Jan 2005 19:04:26 -0500 Subject: Re: Radeon framebuffer weirdness in -mm2 From: Benjamin Herrenschmidt To: Andrew Morton Cc: Matt Mackall , Linux Kernel list , ajoshi@shell.unixbox.com, Linux Fbdev development list In-Reply-To: <20050120153921.11d7c4fa.akpm@osdl.org> References: <20050120232122.GF3867@waste.org> <20050120153921.11d7c4fa.akpm@osdl.org> Content-Type: text/plain Date: Fri, 21 Jan 2005 11:03:14 +1100 Message-Id: <1106265794.18397.17.camel@gaston> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1147 Lines: 31 On Thu, 2005-01-20 at 15:39 -0800, Andrew Morton wrote: > Matt Mackall wrote: > > > > I'm seeing radeonfb on my ThinkPad T30 go weird on reboot (lots of > > horizontal lines) and require powercycling to fix. Worked fine with 2.6.10. > > Which radeon driver? CONFIG_FB_RADEON_OLD or CONFIG_FB_RADEON? > > (cc Ben, who is the likely cuprit ;) > > Which -mm2, btw? 2.6.10-mm2 or 2.6.11-rc1-mm2? > > Did you try the corresponding -mm1? /me curses possible BIOS crap ... radeonfb tries to restore initial mode when the module is closed, which wouldn't work for a VGA text thing in fact... I suspect something cause driver remove() routines to be called on reboot, can you confirm ? Or is it a module that gets removed ? It may well be a problem that has always been there (regardless of the radeon driver version) and just triggered by something the kernel does on reboot... Ben. - 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/