Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932286AbXEYVsb (ORCPT ); Fri, 25 May 2007 17:48:31 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1763684AbXEYVr3 (ORCPT ); Fri, 25 May 2007 17:47:29 -0400 Received: from cantor2.suse.de ([195.135.220.15]:43232 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932218AbXEYVr1 (ORCPT ); Fri, 25 May 2007 17:47:27 -0400 Date: Fri, 25 May 2007 14:40:05 -0700 From: Greg KH To: Mattia Dongili Cc: Andrew Morton , Linux Kernel Mailing List , Stuart Hayes , David Brownell , linux-usb-devel@lists.sourceforge.net Subject: Re: [2.6.22-rc1-mm1] ehci-hcd - BUG: scheduling while atomic: rmmod/0x00000001/4568 Message-ID: <20070525214005.GA6925@suse.de> References: <20070521024437.GA4751@inferi.kami.home> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070521024437.GA4751@inferi.kami.home> User-Agent: Mutt/1.5.15 (2007-04-06) Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2290 Lines: 62 On Mon, May 21, 2007 at 11:44:37AM +0900, Mattia Dongili wrote: > Hello, > > with gregkh-usb-usb-ehci-cpufreq-fix.patch removing ehci-hcd causes the > following BUG: Thanks for letting me know. Stuart, any help here? thanks, greg k-h > [ 459.800033] BUG: scheduling while atomic: rmmod/0x00000001/4568 > [ 459.800045] [] dump_trace+0x63/0x1ec > [ 459.800055] [] show_trace_log_lvl+0x1a/0x30 > [ 459.800066] [] show_trace+0x12/0x14 > [ 459.800099] [] dump_stack+0x16/0x18 > [ 459.800135] [] __sched_text_start+0x56/0x7db > [ 459.800142] [] wait_for_completion+0x65/0x9b > [ 459.800147] [] synchronize_rcu+0x2d/0x33 > [ 459.800154] [] synchronize_srcu+0x23/0x5f > [ 459.800160] [] srcu_notifier_chain_unregister+0x43/0x4d > [ 459.800185] [] cpufreq_unregister_notifier+0x22/0x32 > [ 459.800203] [] ehci_stop+0x4f/0xb7 [ehci_hcd] > [ 459.800248] [] usb_remove_hcd+0x97/0xd7 [usbcore] > [ 459.800280] [] usb_hcd_pci_remove+0x18/0x6a [usbcore] > [ 459.800317] [] pci_device_remove+0x1c/0x3d > [ 459.800324] [] __device_release_driver+0x74/0x90 > [ 459.800332] [] driver_detach+0x81/0xc2 > [ 459.800337] [] bus_remove_driver+0x5d/0x7c > [ 459.800342] [] driver_unregister+0xb/0xd > [ 459.800347] [] pci_unregister_driver+0x13/0x65 > [ 459.800351] [] ehci_hcd_cleanup+0x10/0x12 [ehci_hcd] > [ 459.800360] [] sys_delete_module+0x187/0x1ae > [ 459.800367] [] sysenter_past_esp+0x5f/0x85 > [ 459.800373] [] 0xffffe410 > [ 459.800384] ======================= > > static void ehci_stop (struct usb_hcd *hcd) > { > ... > spin_lock_irq(&ehci->lock); > if (HC_IS_RUNNING (hcd->state)) > ehci_quiesce (ehci); > > #ifdef CONFIG_CPU_FREQ > cpufreq_unregister_notifier(&ehci->cpufreq_transition, > CPUFREQ_TRANSITION_NOTIFIER); > #endif > > -- > mattia > :wq! - 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/