From owner-freebsd-ports-bugs@FreeBSD.ORG Mon Apr 16 15:40:10 2012 Return-Path: Delivered-To: freebsd-ports-bugs@hub.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 77E8610657AC for ; Mon, 16 Apr 2012 15:40:10 +0000 (UTC) (envelope-from gnats@FreeBSD.org) Received: from freefall.freebsd.org (freefall.freebsd.org [IPv6:2001:4f8:fff6::28]) by mx1.freebsd.org (Postfix) with ESMTP id 2DA1D8FC18 for ; Mon, 16 Apr 2012 15:40:10 +0000 (UTC) Received: from freefall.freebsd.org (localhost [127.0.0.1]) by freefall.freebsd.org (8.14.5/8.14.5) with ESMTP id q3GFeAIs084539 for ; Mon, 16 Apr 2012 15:40:10 GMT (envelope-from gnats@freefall.freebsd.org) Received: (from gnats@localhost) by freefall.freebsd.org (8.14.5/8.14.5/Submit) id q3GFeAl8084538; Mon, 16 Apr 2012 15:40:10 GMT (envelope-from gnats) Resent-Date: Mon, 16 Apr 2012 15:40:10 GMT Resent-Message-Id: <201204161540.q3GFeAl8084538@freefall.freebsd.org> Resent-From: FreeBSD-gnats-submit@FreeBSD.org (GNATS Filer) Resent-To: freebsd-ports-bugs@FreeBSD.org Resent-Reply-To: FreeBSD-gnats-submit@FreeBSD.org, Andreas Tobler Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id A8B381065670 for ; Mon, 16 Apr 2012 15:30:44 +0000 (UTC) (envelope-from nobody@FreeBSD.org) Received: from red.freebsd.org (red.freebsd.org [IPv6:2001:4f8:fff6::22]) by mx1.freebsd.org (Postfix) with ESMTP id 93C9F8FC1F for ; Mon, 16 Apr 2012 15:30:44 +0000 (UTC) Received: from red.freebsd.org (localhost [127.0.0.1]) by red.freebsd.org (8.14.4/8.14.4) with ESMTP id q3GFUios084145 for ; Mon, 16 Apr 2012 15:30:44 GMT (envelope-from nobody@red.freebsd.org) Received: (from nobody@localhost) by red.freebsd.org (8.14.4/8.14.4/Submit) id q3GFUilS084144; Mon, 16 Apr 2012 15:30:44 GMT (envelope-from nobody) Message-Id: <201204161530.q3GFUilS084144@red.freebsd.org> Date: Mon, 16 Apr 2012 15:30:44 GMT From: Andreas Tobler To: freebsd-gnats-submit@FreeBSD.org X-Send-Pr-Version: www-3.1 Cc: Subject: ports/166998: [patch] fix radeon driver for powerpc(64) xf84-video-ati (6.14.3) X-BeenThere: freebsd-ports-bugs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Ports bug reports List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Apr 2012 15:40:10 -0000 >Number: 166998 >Category: ports >Synopsis: [patch] fix radeon driver for powerpc(64) xf84-video-ati (6.14.3) >Confidential: no >Severity: non-critical >Priority: low >Responsible: freebsd-ports-bugs >State: open >Quarter: >Keywords: >Date-Required: >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Mon Apr 16 15:40:09 UTC 2012 >Closed-Date: >Last-Modified: >Originator: Andreas Tobler >Release: -CURRENT >Organization: none >Environment: FreeBSD helium.andreas.nets 10.0-CURRENT FreeBSD 10.0-CURRENT #17 r234280:234281M: Sat Apr 14 23:04:49 CEST 2012 andreast@helium.andreas.nets:/usr/obj/export/devel/fbsd/src/sys/GENERIC32_G5 powerpc >Description: A longstanding bug in the RADEONCopySwap routine causes a Bus Error on FreeBSD powerpc during init. The fix is present in the ati-git repo. Tested on FreeBSD/ppc 32-bit (me) and 64-bit Ian Chapman >How-To-Repeat: >Fix: Put the attached file into the files directory of xf86-video-ati. Further details here: http://cgit.freedesktop.org/xorg/driver/xf86-video-ati/commit/?id=66b586b9b9cdaf70f0fcd547b5a04f044d848d44 Patch attached with submission follows: --- src/radeon_accel.c.orig 2012-04-15 19:36:08.000000000 +0200 +++ src/radeon_accel.c 2012-04-15 19:36:15.000000000 +0200 @@ -982,10 +982,9 @@ for (; nwords > 0; --nwords, ++d, ++s) #ifdef __powerpc__ - asm volatile("stwbrx %0,0,%1" : : "r" (*s), "r" (d)); + asm volatile("sthbrx %0,0,%1" : : "r" (*s), "r" (d)); #else - *d = ((*s >> 24) & 0xff) | ((*s >> 8) & 0xff00) - | ((*s & 0xff00) << 8) | ((*s & 0xff) << 24); + *d = (*s >> 8) | (*s << 8); #endif return; } >Release-Note: >Audit-Trail: >Unformatted: