From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754397AbYFBEbI (ORCPT ); Mon, 2 Jun 2008 00:31:08 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1750987AbYFBEa5 (ORCPT ); Mon, 2 Jun 2008 00:30:57 -0400 Received: from pentafluge.infradead.org ([213.146.154.40]:46624 "EHLO pentafluge.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750928AbYFBEa4 (ORCPT ); Mon, 2 Jun 2008 00:30:56 -0400 Date: Sun, 1 Jun 2008 21:15:36 -0700 From: Arjan van de Ven To: "Justin Mattock" Cc: "Linux Kernel Mailing List" Subject: Re: BUG kmalloc-2048: Poison overwritten Message-ID: <20080601211536.1e3ba47c@infradead.org> In-Reply-To: References: <20080601190138.4d86dc66@infradead.org> Organization: Intel X-Mailer: Claws Mail 3.3.1 (GTK+ 2.12.9; i386-redhat-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-SRS-Rewrite: SMTP reverse-path rewritten from by pentafluge.infradead.org See http://www.infradead.org/rpr.html Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon, 2 Jun 2008 03:53:43 +0000 "Justin Mattock" wrote: > On Mon, Jun 2, 2008 at 2:01 AM, Arjan van de Ven > wrote: > > On Sun, 1 Jun 2008 23:13:51 +0000 > > "Justin Mattock" wrote: > > > >> I received this after the second simultaneous suspend: (I will try > >> and see if this is re creatable or not) > >> > >> [ 232.270737] BUG: unable to handle kernel paging request at > >> 6b6b6c6b > > > > bad bad bad > > > > > >> [ 232.270743] IP: [] module_put+0x12/0x2b > >> [ 232.270750] *pde = 00000000 > >> [ 232.270753] Oops: 0002 [#1] SMP > >> [ 232.270757] Modules linked in: hci_usb cpufreq_ondemand > >> cpufreq_performance cpufreq_powersave rfcomm hidp l2cap bluetooth > >> fan ipmi_watchdog ipmi_msghandler uinput wlan_tkip > >> ieee80211_crypt_tkip ieee80211_crypt arpt_mangle arptable_filter > >> arp_tables nf_conntrack_ipv4 nf_conntrack iptable_mangle > >> iptable_filter ip_tables x_tables intelfb i2c_i810 i2c_algo_bit > >> coretemp eeprom acpi_cpufreq fglrx(P) applesmc joydev uvcvideo > >> appletouch wlan_scan_sta > > ^^^^^ > > > > naughty > > > >> ath_rate_sample firewire_ohci firewire_core snd_hda_intel ath_pci > >> snd_pcm wlan ohci1394 intel_agp evdev ath_hal(P) snd_timer ieee1394 > > ^^^^^^^^^^ > > > > worse > > > > > >> Hopefully this is nothing serious, > >> regards; > > > > actually it's very serious, something is scribbling all over your > > memory, it's just a matter of time before that overwrites something > > important on your filesystem, and then you have a high risk of > > losing most of your data. > > > > However, since you're using 2 proprietary kernel modules, you > > really ought to contact the vendors for those modules for support; > > they're a very likely cause for problems > > (for example, these two are the cause for the number 1, 2, 5 and 7 > > of the top 10 kernel oopses/crashes for the last week) > > > > > > > great!!! Well The problem I have with these modules is A) madwifi > "waiting until support is in the kernel for this one, you mean the ath5k driver which already is in the kernel? If it doesnt work for you, have you filed a bugzilla ? > for now I > just have to deal with risking loosing any data". B) graphics driver I > can unload the driver but then loose suspend to mem "argh!!" A current ATI driver in X.org ought to be close to getting this one right. > aside from that, I just performed the test again of simultaneously > suspending to memory and didn't receive this message, sure the corruption this time wasn't in a redzone.. but maybe elsewhere. > so now I'm at a > lost for words as to what is happening. The positive side is there > isn't any important data on my system i.g. important doc's etc..., but > good luck. -- If you want to reach me at my work email, use arjan@linux.intel.com For development, discussion and tips for power savings, visit http://www.lesswatts.org