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Debian bug tracking system administrator (administrator, Debian Bugs database) -------------------------------------- Received: (at submit) by bugs.debian.org; 30 Nov 2005 06:12:08 +0000 >From [EMAIL PROTECTED] Tue Nov 29 22:12:08 2005 Return-path: <[EMAIL PROTECTED]> Received: from ms01.sssup.it ([193.205.80.99] helo=sssup.it) by spohr.debian.org with esmtp (Exim 4.50) id 1EhLCI-0001aa-VM for [EMAIL PROTECTED]; Tue, 29 Nov 2005 22:12:08 -0800 Received: by sssup.it (CommuniGate Pro PIPE 4.1.8) with PIPE id 17646421; Wed, 30 Nov 2005 07:03:34 +0100 Received: from [193.205.81.254] (HELO localhost.localdomain) by sssup.it (CommuniGate Pro SMTP 4.1.8) with ESMTP id 17646420; Wed, 30 Nov 2005 07:03:29 +0100 Content-Type: multipart/mixed; boundary="===============1853542441==" MIME-Version: 1.0 From: Riccardo Brigo <[EMAIL PROTECTED]> To: Debian Bug Tracking System <[EMAIL PROTECTED]> Subject: Ati driver crashes when hw acceleration is disabled X-Mailer: reportbug 3.17 Date: Wed, 30 Nov 2005 07:09:55 +0100 Message-ID: <[EMAIL PROTECTED]> Delivered-To: [EMAIL PROTECTED] X-Spam-Checker-Version: SpamAssassin 2.60-bugs.debian.org_2005_01_02 (1.212-2003-09-23-exp) on spohr.debian.org X-Spam-Level: X-Spam-Status: No, hits=-8.0 required=4.0 tests=BAYES_00,HAS_PACKAGE autolearn=no version=2.60-bugs.debian.org_2005_01_02 This is a multi-part MIME message sent by reportbug. --===============1853542441== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline Package: xserver-xorg Version: 6.8.2.dfsg.1-11 Severity: normal Tags: patch A bug into one of ati driver's sources (radeon_video.c) causes Xorg server to crash when using it with option "NoAccel", due to erroneous dereferencing of uninitialized pointer. The bug should be reproducible by anyone using "ati" driver: 1 - add 'Option "NoAccel"' to the device section of video card into xorg.conf 2 - restart Xorg 3 - launch any video player (I have personally tested it with totem, xine and mplayer -- the latter using xv output, x11 doesn't crash the server) I'm sure that many other programs are able to trigger this bug, but playing a video is the one by which I've discovered the problem. I'm attaching a patch that modifies the single line of code involved and that solves the problem. -- System Information: Debian Release: testing/unstable APT prefers unstable APT policy: (990, 'unstable'), (500, 'testing'), (500, 'stable') Architecture: i386 (i686) Shell: /bin/sh linked to /bin/bash Kernel: Linux 2.6.14-r4 Locale: [EMAIL PROTECTED], [EMAIL PROTECTED] (charmap=ISO-8859-15) (ignored: LC_ALL set to [EMAIL PROTECTED]) Versions of packages xserver-xorg depends on: ii debconf [debconf-2.0] 1.4.59 Debian configuration management sy ii libc6 2.3.5-8.1 GNU C Library: Shared libraries an ii libgcc1 1:4.0.2-4 GCC support library ii libxau6 6.8.2.dfsg.1-11 X Authentication library ii libxdmcp6 6.8.2.dfsg.1-11 X Display Manager Control Protocol ii xserver-common 6.8.2.dfsg.1-11 files and utilities common to all ii zlib1g 1:1.2.3-8 compression library - runtime Versions of packages xserver-xorg recommends: pn discover | discover1 <none> (no description available) pn laptop-detect <none> (no description available) pn mdetect <none> (no description available) ii xlibs 6.8.2.dfsg.1-11 X Window System client libraries m pn xresprobe <none> (no description available) -- debconf information excluded --===============1853542441== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: attachment; filename="patch_radeon_missing_accelOn.diff" --- xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_video.c.orig 2005-10-16 15:58:58.000000000 +0200 +++ xc/programs/Xserver/hw/xfree86/drivers/ati/radeon_video.c 2005-10-16 15:59:34.000000000 +0200 @@ -993,7 +993,7 @@ RADEONPortPrivPtr pPriv = (RADEONPortPrivPtr)data; Bool setTransform = FALSE; - info->accel->Sync(pScrn); + if (info->accelOn) info->accel->Sync(pScrn); #define RTFSaturation(a) (1.0 + ((a)*1.0)/1000.0) #define RTFBrightness(a) (((a)*1.0)/2000.0) --===============1853542441==-- --------------------------------------- Received: (at 341351-done) by bugs.debian.org; 8 Jan 2006 23:51:19 +0000 >From [EMAIL PROTECTED] Sun Jan 08 15:51:19 2006 Return-path: <[EMAIL PROTECTED]> Received: from vms042pub.verizon.net ([206.46.252.42]) by spohr.debian.org with esmtp (Exim 4.50) id 1EvkJj-0000Sj-Gc for [EMAIL PROTECTED]; Sun, 08 Jan 2006 15:51:19 -0800 Received: from squee ([129.44.187.7]) by vms042.mailsrvcs.net (Sun Java System Messaging Server 6.2-4.02 (built Sep 9 2005)) with ESMTPA id <[EMAIL PROTECTED]> for [EMAIL PROTECTED]; Sun, 08 Jan 2006 17:51:19 -0600 (CST) Received: by squee (Postfix, from userid 1000) id A255B46DA8; Sun, 08 Jan 2006 18:51:19 -0500 (EST) Date: Sun, 08 Jan 2006 18:51:19 -0500 From: David Nusinow <[EMAIL PROTECTED]> Subject: Closing To: [EMAIL PROTECTED] Message-id: <[EMAIL PROTECTED]> MIME-version: 1.0 Content-type: text/plain; charset=us-ascii Content-disposition: inline User-Agent: Mutt/1.5.11 X-Spam-Checker-Version: SpamAssassin 2.60-bugs.debian.org_2005_01_02 (1.212-2003-09-23-exp) on spohr.debian.org X-Spam-Level: X-Spam-Status: No, hits=-1.0 required=4.0 tests=BAYES_00,ONEWORD, RCVD_IN_SORBS autolearn=no version=2.60-bugs.debian.org_2005_01_02 This bug was fixed in a previous upload. Closing. - David Nusinow -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]