From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754244AbYFBWVE (ORCPT ); Mon, 2 Jun 2008 18:21:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752517AbYFBWUw (ORCPT ); Mon, 2 Jun 2008 18:20:52 -0400 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:52341 "EHLO gprs189-60.eurotel.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752138AbYFBWUv (ORCPT ); Mon, 2 Jun 2008 18:20:51 -0400 Date: Tue, 3 Jun 2008 00:21:42 +0200 From: Pavel Machek To: "Rafael J. Wysocki" Cc: Justin Mattock , Linux Kernel Mailing List , Andrew Morton , marcel@holtmann.org, linux-bluetooth@vger.kernel.org Subject: hci_usb strikes again (was Re: BUG kmalloc-2048: Poison overwritten) Message-ID: <20080602222142.GB18599@elf.ucw.cz> References: <200806020125.25918.rjw@sisk.pl> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <200806020125.25918.rjw@sisk.pl> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Mon 2008-06-02 01:25:25, Rafael J. Wysocki wrote: > On Monday, 2 of June 2008, Justin Mattock wrote: > > I received this after the second simultaneous suspend: (I will try and > > see if this is re creatable or not) > > Suspend to RAM or hibernation? hci_usb... that beast is known to corrupt random data on suspend and surprise removal. > > [ 232.270737] BUG: unable to handle kernel paging request at 6b6b6c6b > > [ 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 > > 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 > > pata_acpi thermal ehci_hcd uhci_hcd snd_page_alloc snd_hwdep agpgart > > video button processor > > [ 232.270800] > > [ 232.270802] Pid: 2690, comm: btdelconn Tainted: P > > (2.6.26-rc4-00033-g5463508 #4) ...and we get oops in bluetooth. Use btusb, instead. Actually, I guess we should mark hci_usb as broken. I don't see why we should debug the same problem over and over again. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html