Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751427Ab2FRMdl (ORCPT ); Mon, 18 Jun 2012 08:33:41 -0400 Received: from mailout.rz.uni-frankfurt.de ([141.2.22.233]:55158 "EHLO mailout.rz.uni-frankfurt.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751056Ab2FRMdk (ORCPT ); Mon, 18 Jun 2012 08:33:40 -0400 Message-ID: <4FDF201E.2090408@med.uni-frankfurt.de> Date: Mon, 18 Jun 2012 14:33:34 +0200 From: Thomas Sattler User-Agent: Mozilla/5.0 (X11; Linux i686; rv:13.0) Gecko/20120614 Thunderbird/13.0.1 MIME-Version: 1.0 To: Linux Kernel Mailing List CC: Ingo Molnar , Thomas Gleixner Subject: Re: BUG: scheduling while atomic: chcpu/6197/0x00000002 References: <4FDF00CB.7090703@med.uni-frankfurt.de> In-Reply-To: <4FDF00CB.7090703@med.uni-frankfurt.de> X-Enigmail-Version: 1.4.2 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: 7bit X-MailScanner: Found to be clean Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 10112 Lines: 182 Vanilla 3.4.3 seems to work, but 3.4.3-rt10 bugs too: [ 247.758134] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.758137] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.758157] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.758159] Call Trace: [ 247.758168] [] __schedule_bug+0x3d/0x42 [ 247.758173] [] __schedule+0x68/0x571 [ 247.758179] [] ? enqueue_entity+0x313/0x3d8 [ 247.758183] [] ? resched_task+0x3c/0x5a [ 247.758187] [] schedule+0x60/0x70 [ 247.758191] [] schedule_timeout+0x17/0x160 [ 247.758195] [] ? check_preempt_curr+0x29/0x64 [ 247.758200] [] wait_for_common+0xa3/0xff [ 247.758204] [] ? try_to_wake_up+0x391/0x391 [ 247.758208] [] wait_for_completion+0x12/0x14 [ 247.758213] [] kthread_create_on_node+0x71/0xb5 [ 247.758217] [] ? put_online_cpus+0x44/0x44 [ 247.758222] [] ? init_amd+0x50f/0x64f [ 247.758227] [] _cpu_down+0x106/0x2b4 [ 247.758231] [] ? put_online_cpus+0x44/0x44 [ 247.758236] [] cpu_down+0x25/0x34 [ 247.758240] [] store_online+0x29/0x70 [ 247.758244] [] ? acpi_processor_start+0xf7/0xf7 [ 247.758248] [] dev_attr_store+0x1b/0x23 [ 247.758254] [] sysfs_write_file+0xae/0xe7 [ 247.758259] [] vfs_write+0x8c/0x122 [ 247.758263] [] ? sysfs_poll+0x77/0x77 [ 247.758267] [] sys_write+0x3b/0x60 [ 247.758272] [] sysenter_do_call+0x12/0x2c [ 247.758297] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.758299] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.758315] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.758317] Call Trace: [ 247.758322] [] __schedule_bug+0x3d/0x42 [ 247.758326] [] __schedule+0x68/0x571 [ 247.758331] [] ? _raw_spin_unlock_irqrestore+0x1a/0x2f [ 247.758335] [] ? __hrtimer_start_range_ns+0x2cf/0x2f6 [ 247.758340] [] schedule+0x60/0x70 [ 247.758344] [] schedule_hrtimeout_range_clock+0xc5/0xec [ 247.758348] [] ? update_rmtp+0x68/0x68 [ 247.758352] [] schedule_hrtimeout_range+0xa/0xc [ 247.758356] [] schedule_hrtimeout+0xc/0xe [ 247.758361] [] wait_task_inactive+0xc5/0xd6 [ 247.758365] [] kthread_bind+0x13/0x4b [ 247.758369] [] _cpu_down+0x121/0x2b4 [ 247.758374] [] cpu_down+0x25/0x34 [ 247.758378] [] store_online+0x29/0x70 [ 247.758381] [] ? acpi_processor_start+0xf7/0xf7 [ 247.758385] [] dev_attr_store+0x1b/0x23 [ 247.758390] [] sysfs_write_file+0xae/0xe7 [ 247.758394] [] vfs_write+0x8c/0x122 [ 247.758398] [] ? sysfs_poll+0x77/0x77 [ 247.758402] [] sys_write+0x3b/0x60 [ 247.758406] [] sysenter_do_call+0x12/0x2c [ 247.761021] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.761024] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.761040] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.761042] Call Trace: [ 247.761048] [] __schedule_bug+0x3d/0x42 [ 247.761052] [] __schedule+0x68/0x571 [ 247.761058] [] ? sched_clock+0x9/0xd [ 247.761062] [] ? sched_clock_local+0x11/0x12f [ 247.761067] [] schedule+0x60/0x70 [ 247.761070] [] schedule_timeout+0x17/0x160 [ 247.761075] [] wait_for_common+0xa3/0xff [ 247.761079] [] ? try_to_wake_up+0x391/0x391 [ 247.761083] [] wait_for_completion+0x12/0x14 [ 247.761087] [] _cpu_down+0x130/0x2b4 [ 247.761092] [] cpu_down+0x25/0x34 [ 247.761095] [] store_online+0x29/0x70 [ 247.761099] [] ? acpi_processor_start+0xf7/0xf7 [ 247.761103] [] dev_attr_store+0x1b/0x23 [ 247.761108] [] sysfs_write_file+0xae/0xe7 [ 247.761112] [] vfs_write+0x8c/0x122 [ 247.761116] [] ? sysfs_poll+0x77/0x77 [ 247.761120] [] sys_write+0x3b/0x60 [ 247.761124] [] sysenter_do_call+0x12/0x2c [ 247.761159] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.761161] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.761177] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.761179] Call Trace: [ 247.761184] [] __schedule_bug+0x3d/0x42 [ 247.761188] [] __schedule+0x68/0x571 [ 247.761193] [] ? sched_clock+0x9/0xd [ 247.761197] [] ? sched_clock_local+0x11/0x12f [ 247.761201] [] schedule+0x60/0x70 [ 247.761205] [] schedule_timeout+0x17/0x160 [ 247.761210] [] wait_for_common+0xa3/0xff [ 247.761214] [] ? try_to_wake_up+0x391/0x391 [ 247.761218] [] wait_for_completion+0x12/0x14 [ 247.761222] [] kthread_stop+0x2d/0x4b [ 247.761227] [] destroy_worker+0x54/0x74 [ 247.761231] [] workqueue_cpu_down_callback+0x193/0x251 [ 247.761236] [] ? compute_batch_value+0x19/0x29 [ 247.761240] [] ? percpu_counter_hotcpu_callback+0x13/0x8b [ 247.761245] [] notifier_call_chain+0x26/0x48 [ 247.761249] [] __raw_notifier_call_chain+0xe/0x10 [ 247.761253] [] __cpu_notify+0x15/0x29 [ 247.761257] [] _cpu_down+0x158/0x2b4 [ 247.761262] [] cpu_down+0x25/0x34 [ 247.761266] [] store_online+0x29/0x70 [ 247.761269] [] ? acpi_processor_start+0xf7/0xf7 [ 247.761273] [] dev_attr_store+0x1b/0x23 [ 247.761278] [] sysfs_write_file+0xae/0xe7 [ 247.761282] [] vfs_write+0x8c/0x122 [ 247.761286] [] ? sysfs_poll+0x77/0x77 [ 247.761290] [] sys_write+0x3b/0x60 [ 247.761294] [] sysenter_do_call+0x12/0x2c [ 247.761301] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.761303] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.761319] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.761322] Call Trace: [ 247.761326] [] __schedule_bug+0x3d/0x42 [ 247.761330] [] __schedule+0x68/0x571 [ 247.761335] [] ? sched_clock+0x9/0xd [ 247.761341] [] ? sched_clock_local+0x11/0x12f [ 247.761345] [] schedule+0x60/0x70 [ 247.761349] [] schedule_timeout+0x17/0x160 [ 247.761353] [] wait_for_common+0xa3/0xff [ 247.761357] [] ? try_to_wake_up+0x391/0x391 [ 247.761361] [] wait_for_completion+0x12/0x14 [ 247.761365] [] kthread_stop+0x2d/0x4b [ 247.761369] [] destroy_worker+0x54/0x74 [ 247.761373] [] workqueue_cpu_down_callback+0x193/0x251 [ 247.761378] [] ? compute_batch_value+0x19/0x29 [ 247.761382] [] ? percpu_counter_hotcpu_callback+0x13/0x8b [ 247.761387] [] notifier_call_chain+0x26/0x48 [ 247.761391] [] __raw_notifier_call_chain+0xe/0x10 [ 247.761395] [] __cpu_notify+0x15/0x29 [ 247.761399] [] _cpu_down+0x158/0x2b4 [ 247.761404] [] cpu_down+0x25/0x34 [ 247.761407] [] store_online+0x29/0x70 [ 247.761411] [] ? acpi_processor_start+0xf7/0xf7 [ 247.761415] [] dev_attr_store+0x1b/0x23 [ 247.761420] [] sysfs_write_file+0xae/0xe7 [ 247.761424] [] vfs_write+0x8c/0x122 [ 247.761428] [] ? sysfs_poll+0x77/0x77 [ 247.761432] [] sys_write+0x3b/0x60 [ 247.761436] [] sysenter_do_call+0x12/0x2c [ 247.761455] BUG: scheduling while atomic: chcpu/2947/0x00000002 [ 247.761457] Modules linked in: loop rfcomm bnep btusb hid_microsoft usbhid hid 3c59x uhci_hcd mii ehci_hcd e1000e usbcore usb_common sg [ 247.761473] Pid: 2947, comm: chcpu Not tainted 3.4.3-rt10 #22 [ 247.761475] Call Trace: [ 247.761479] [] __schedule_bug+0x3d/0x42 [ 247.761483] [] __schedule+0x68/0x571 [ 247.761489] [] ? sched_clock+0x9/0xd [ 247.761492] [] ? sched_clock_local+0x11/0x12f [ 247.761497] [] schedule+0x60/0x70 [ 247.761501] [] schedule_timeout+0x17/0x160 [ 247.761505] [] wait_for_common+0xa3/0xff [ 247.761509] [] ? try_to_wake_up+0x391/0x391 [ 247.761513] [] wait_for_completion+0x12/0x14 [ 247.761517] [] kthread_stop+0x2d/0x4b [ 247.761521] [] destroy_worker+0x54/0x74 [ 247.761525] [] workqueue_cpu_down_callback+0x193/0x251 [ 247.761530] [] ? compute_batch_value+0x19/0x29 [ 247.761534] [] ? percpu_counter_hotcpu_callback+0x13/0x8b [ 247.761539] [] notifier_call_chain+0x26/0x48 [ 247.761543] [] __raw_notifier_call_chain+0xe/0x10 [ 247.761547] [] __cpu_notify+0x15/0x29 [ 247.761551] [] _cpu_down+0x158/0x2b4 [ 247.761556] [] cpu_down+0x25/0x34 [ 247.761560] [] store_online+0x29/0x70 [ 247.761563] [] ? acpi_processor_start+0xf7/0xf7 [ 247.761567] [] dev_attr_store+0x1b/0x23 [ 247.761572] [] sysfs_write_file+0xae/0xe7 [ 247.761576] [] vfs_write+0x8c/0x122 [ 247.761580] [] ? sysfs_poll+0x77/0x77 [ 247.761584] [] sys_write+0x3b/0x60 [ 247.761588] [] sysenter_do_call+0x12/0x2c -- 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/