Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756448AbXIIMsT (ORCPT ); Sun, 9 Sep 2007 08:48:19 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1753235AbXIIMsL (ORCPT ); Sun, 9 Sep 2007 08:48:11 -0400 Received: from smtp2.linux-foundation.org ([207.189.120.14]:48583 "EHLO smtp2.linux-foundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752578AbXIIMsK (ORCPT ); Sun, 9 Sep 2007 08:48:10 -0400 Date: Sun, 9 Sep 2007 05:47:51 -0700 From: Andrew Morton To: Jiri Slaby Cc: linux-kernel@vger.kernel.org, gareth@valinux.com, dri-devel@lists.sourceforge.net, airlied@linux.ie Subject: Re: X freezes kernel during exit [Re: 2.6.23-rc3-mm1] Message-Id: <20070909054751.cbb27081.akpm@linux-foundation.org> In-Reply-To: <46E3DCB8.5010709@gmail.com> References: <20070822020648.5ea3a612.akpm@linux-foundation.org> <46D17A7A.70609@gmail.com> <46D409FC.1070305@gmail.com> <46E3DCB8.5010709@gmail.com> X-Mailer: Sylpheed 2.4.1 (GTK+ 2.8.17; x86_64-unknown-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6415 Lines: 140 On Sun, 09 Sep 2007 13:44:56 +0200 Jiri Slaby wrote: > On 08/28/2007 01:41 PM, Jiri Slaby wrote: > > Does this went through to your boxes? Any progress, clue, idea? > > > > Jiri Slaby napsal(a): > >> Andrew Morton napsal(a): > >>> ftp://ftp.kernel.org/pub/linux/kernel/people/akpm/patches/2.6/2.6.23-rc3/2.6.23-rc3-mm1/ > >> Hi, > >> > >> I've found a regression against 2.6.23-rc2-mm2. X server shutdown freezes > >> (untainted) kernel hardly. Nothing on netconsole, X output follows: > >> > >> > >> X Window System Version 1.3.0 > >> Release Date: 19 April 2007 > >> X Protocol Version 11, Revision 0, Release 1.3 > >> Build Operating System: Fedora Core 7 Red Hat, Inc. > >> Current Operating System: Linux bellona 2.6.23-rc3-mm1 #315 SMP Wed Aug 22 > >> 21:43:06 CEST 2007 i686 > >> Build Date: 11 June 2007 > >> Build ID: xorg-x11-server 1.3.0.0-9.fc7 > >> Before reporting problems, check http://wiki.x.org > >> to make sure that you have the latest version. > >> Module Loader present > >> Markers: (--) probed, (**) from config file, (==) default setting, > >> (++) from command line, (!!) notice, (II) informational, > >> (WW) warning, (EE) error, (NI) not implemented, (??) unknown. > >> (==) Log file: "/var/log/Xorg.0.log", Time: Sun Aug 26 14:22:43 2007 > >> (==) Using config file: "/etc/X11/xorg.conf" > >> (WW) RADEON: No matching Device section for instance (BusID PCI:1:0:1) found > >> (**) RADEON(0): RADEONPreInit > >> (II) Module already built-in > >> (II) Module already built-in > >> (II) Module already built-in > >> (**) RADEON(0): RADEONScreenInit f0000000 0 > >> (**) RADEON(0): Map: 0xf0000000, 0x04000000 > >> (**) RADEON(0): RADEONSave > >> (**) RADEON(0): RADEONSaveMode(0x8240870) > >> (**) RADEON(0): Read: 0x0000000c 0x00030065 0x00000000 > >> (**) RADEON(0): Read: rd=12, fd=101, pd=3 > >> (**) RADEON(0): RADEONSaveMode returns 0x8240870 > >> (**) RADEON(0): DRI New memory map param > >> (**) RADEON(0): RADEONInitMemoryMap() : > >> (**) RADEON(0): mem_size : 0x04000000 > >> (**) RADEON(0): MC_FB_LOCATION : 0xf3fff000 > >> (**) RADEON(0): MC_AGP_LOCATION : 0xffffffc0 > >> (**) RADEON(0): RADEONModeInit() > >> 1280x1024 108.00 1280 1328 1440 1688 1024 1025 1028 1066 (24,32) +H +V > >> 1280x1024 108.00 1280 1328 1440 1688 1024 1025 1028 1066 (24,32) +H +V > >> (**) RADEON(0): Pitch = 10485920 bytes (virtualX = 1280, displayWidth = 1280) > >> (**) RADEON(0): dc=10800, of=21600, fd=96, pd=2 > >> (**) RADEON(0): RADEONInit returns 0x8241220 > >> (**) RADEON(0): RADEONRestoreMode() > >> (**) RADEON(0): RADEONRestoreMode(0x8241220) > >> (**) RADEON(0): RADEONRestoreMemMapRegisters() : > >> (**) RADEON(0): MC_FB_LOCATION : 0xf3fff000 > >> (**) RADEON(0): MC_AGP_LOCATION : 0xffffffc0 > >> (**) RADEON(0): Map Changed ! Applying ... > >> (**) RADEON(0): Map applied, resetting engine ... > >> (**) RADEON(0): Updating display base addresses... > >> (**) RADEON(0): Memory map updated. > >> (**) RADEON(0): Programming CRTC1, offset: 0x00000000 > >> (**) RADEON(0): Wrote: 0x0000000c 0x00010060 0x00000000 (0x0000a400) > >> (**) RADEON(0): Wrote: rd=12, fd=96, pd=1 > >> (**) RADEON(0): GRPH_BUFFER_CNTL from 20205c5c to 20125c5c > >> (**) RADEON(0): RADEONSaveScreen(0) > >> (**) RADEON(0): Setting up initial surfaces > >> (**) RADEON(0): Initializing fb layer > >> (**) RADEON(0): Setting up accel memmap > >> (**) RADEON(0): Initializing backing store > >> (**) RADEON(0): DRI Finishing init ! > >> (**) RADEON(0): EngineRestore (32/32) > >> (**) RADEON(0): GRPH_BUFFER_CNTL from 20205c5c to 20125c5c > >> (**) RADEON(0): Setting up final surfaces > >> (**) RADEON(0): Initializing Acceleration > >> (**) RADEON(0): EngineInit (32/32) > >> (**) RADEON(0): Pitch for acceleration = 160 > >> (**) RADEON(0): EngineRestore (32/32) > >> (**) RADEON(0): Initializing DPMS > >> (**) RADEON(0): Initializing Cursor > >> (**) RADEON(0): Initializing color map > >> (**) RADEON(0): Initializing DGA > >> (**) RADEON(0): Initializing Xv > >> (**) RADEON(0): RADEONScreenInit finished > >> (**) RADEON(0): RADEONSaveScreen(2) > >> (**) RADEON(0): RADEONCloseScreen > >> (**) RADEON(0): RADEONDRIStop > >> (**) RADEON(0): EngineRestore (32/32) > >> (**) RADEON(0): RADEONDisplayPowerManagementSet(0,0x0) > >> (**) RADEON(0): RADEONRestore > >> (**) RADEON(0): RADEONRestoreMode() > >> (**) RADEON(0): RADEONRestoreMode(0x8240870) > >> (**) RADEON(0): RADEONRestoreMemMapRegisters() : > >> (**) RADEON(0): MC_FB_LOCATION : 0x1fff0000 > >> (**) RADEON(0): MC_AGP_LOCATION : 0x27ff2000 > >> (**) RADEON(0): Map Changed ! Applying ... > >> (**) RADEON(0): Map applied, resetting engine ... > >> (**) RADEON(0): Updating display base addresses... > >> (**) RADEON(0): Memory map updated. > >> (**) RADEON(0): Programming CRTC1, offset: 0x00000000 > >> (**) RADEON(0): Wrote: 0x0000000c 0x00030065 0x00000000 (0x0000a400) > >> (**) RADEON(0): Wrote: rd=12, fd=101, pd=3 > >> (**) RADEON(0): Disposing accel... > >> (**) RADEON(0): Disposing cusor info > >> (**) RADEON(0): Disposing DGA > >> (**) RADEON(0): Unmapping memory > >> (**) RADEON(0): RADEONDRICloseScreen > >> > >> > >> > >> the only difference is, that 2.6.23-rc2-mm2 writes further > >> > >> FreeFontPath: FPE "/usr/share/X11/fonts/misc:unscaled" refcount is 2, should be > >> 1; fixing. > >> > >> and exits succesfully (note that these messages are taken on remote host, X > >> runned remotely). > >> > >> Both vesa and radeon + Option "NoAccel" "true" works obviously fine. > > Also intel on integrated i915 causes this (NoAccell has no effect in this case). > Note that also 2.6.23-rc4-mm1 is affected by this behaviour. > I have a trace for you: > http://www.fi.muni.cz/~xslaby/sklad/panics/x-freeze.png > (this is the only what I'm able to grab so far) > afacit everything on that call trace is good. I guess it's possible that one of the higher-level loops has gone infinite (eg, the one in agp_remove_controller()). Are you able to get netconsole working, and run sysrq-P and sysrq-T ten or so times, see if it's always stuck in the same place on the same CPU? - 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/