From owner-freebsd-current@FreeBSD.ORG Mon Dec 30 21:17:51 2013 Return-Path: <owner-freebsd-current@FreeBSD.ORG> Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 8299DBBE; Mon, 30 Dec 2013 21:17:51 +0000 (UTC) Received: from mail-qe0-x22c.google.com (mail-qe0-x22c.google.com [IPv6:2607:f8b0:400d:c02::22c]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 2CCB91168; Mon, 30 Dec 2013 21:17:51 +0000 (UTC) Received: by mail-qe0-f44.google.com with SMTP id nd7so11870663qeb.17 for <multiple recipients>; Mon, 30 Dec 2013 13:17:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=mime-version:sender:in-reply-to:references:date:message-id:subject :from:to:cc:content-type:content-transfer-encoding; bh=G7+C7YsvjEFoT/QUbNhnSIUbpEcm+526RMSQSBC83Hs=; b=SZdJP27ig1NXd1eo7X0VUABhEb2nN51P0LQNAGPM1GYDHuytBXn1C9BxT6gzQ6yrim 8dv82WYqmWqrFSDzhiFGctLOzJZVBTwd+4xnuPht++QuoIp39TSP4CPi17y4uOz1BPPw tdy9uohnVJBedPZi6vCneW0Hgvs1nKjdP2GXCWawUONg7jih7QbeLOWg5/DohaHUiqH+ H9ijtgfy3OAKrBDjA471QypDwoUGOQwNYfowh390Ofb/jtvqj5Swu9n0JTwlvf0ofx76 xxBjatjkZxoNCRFJAtmKQQycR3QuqeadmR9uF9H+Pm3MccG57JPjgpP/P02JkRt+EHe0 sLEQ== MIME-Version: 1.0 X-Received: by 10.224.13.141 with SMTP id c13mr104116223qaa.76.1388438270423; Mon, 30 Dec 2013 13:17:50 -0800 (PST) Sender: adrian.chadd@gmail.com Received: by 10.224.52.8 with HTTP; Mon, 30 Dec 2013 13:17:50 -0800 (PST) In-Reply-To: <52B14384.5060102@gmx.com> References: <527F95BE.7080908@gmx.com> <Pine.GSO.4.64.1311101135590.9459@sea.ntplx.net> <527FC05D.8080703@gmx.com> <5283E123.5000305@FreeBSD.org> <20131114113846.4dcb2037@kalimero.tijl.coosemans.org> <52858067.2060200@gmx.com> <52AEAD7A.1040205@gmx.com> <52B0C004.9010702@FreeBSD.org> <52B14384.5060102@gmx.com> Date: Mon, 30 Dec 2013 13:17:50 -0800 X-Google-Sender-Auth: 6mpkJss8F6P1KBxZFV4XEVnpJ4A Message-ID: <CAJ-VmokrhMB5MGhPKFw70rFbSCy0EtD0ueaUJQs5OhYR0j=wbg@mail.gmail.com> Subject: Re: new Xorg (KMS, etc.) for Radeon 9600 From: Adrian Chadd <adrian@freebsd.org> To: dt71@gmx.com Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current <freebsd-current@freebsd.org>, =?ISO-8859-1?Q?Jean=2DS=E9bastien_P=E9dron?= <dumbbell@freebsd.org> X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.17 Precedence: list List-Id: Discussions about the use of FreeBSD-current <freebsd-current.freebsd.org> List-Unsubscribe: <http://lists.freebsd.org/mailman/options/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=unsubscribe> List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current/> List-Post: <mailto:freebsd-current@freebsd.org> List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help> List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>, <mailto:freebsd-current-request@freebsd.org?subject=subscribe> X-List-Received-Date: Mon, 30 Dec 2013 21:17:51 -0000 On 17 December 2013 22:41, <dt71@gmx.com> wrote: > Jean-S=E9bastien P=E9dron wrote, On 12/17/2013 22:20: > >> On 16.12.2013 08:36, dt71@gmx.com wrote: >>> >>> Still nobody wants to apply Robert Noland's DRM patch? >> >> >> What problem(s) does this patch fix? > > > It fixes non-deterministic lockups when the (old, drm1) r300 drivers are > used. > > According to John Baldwin [1]: "The drm code is doing a copyin() while > holding a mutex (which is not allowed)." The latest version of the patch > (also the one I used for years) is at [2], linked from [3]. Hm. Well, can we add some lock assertions to the dri code to panic whenever this is done? -a