From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755970Ab1JYJ2n (ORCPT ); Tue, 25 Oct 2011 05:28:43 -0400 Received: from mail-wy0-f174.google.com ([74.125.82.174]:44434 "EHLO mail-wy0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751182Ab1JYJ2m (ORCPT ); Tue, 25 Oct 2011 05:28:42 -0400 Date: Tue, 25 Oct 2011 17:28:31 +0800 From: Yong Zhang To: Thomas Gleixner Cc: LKML , linux-rt-users Subject: Re: [ANNOUNCE] 3.0.7-rt20 Message-ID: <20111025092831.GA32744@zhy> Reply-To: Yong Zhang References: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wed, Oct 19, 2011 at 11:59:09AM +0200, Thomas Gleixner wrote: > Dear RT Folks, > > I'm pleased to announce the 3.0.7-rt20 release. > > 3.0.7-rt19 is an not announced intermediate release, which only > updates to 3.0.7. No rt changes except dropping patches which made it > into 3.0.7. > Got below warning during cpu hotplug: [ 356.523928] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: posixcputmr/9/63 [ 356.523935] caller is kmem_cache_free+0x43/0x240 [ 356.523937] Pid: 63, comm: posixcputmr/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.523939] Call Trace: [ 356.523947] [] debug_smp_processor_id+0x110/0x130 [ 356.523951] [] kmem_cache_free+0x43/0x240 [ 356.523956] [] __cleanup_sighand+0x27/0x30 [ 356.523960] [] release_task+0x246/0x540 [ 356.523964] [] ? release_task+0x1d/0x540 [ 356.523969] [] ? _raw_spin_unlock+0x35/0x60 [ 356.523973] [] do_exit+0x65e/0x8e0 [ 356.523978] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.523981] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.523986] [] kthread+0xa0/0xb0 [ 356.523991] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.523996] [] ? sub_preempt_count+0xa9/0xe0 [ 356.524000] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524005] [] kernel_thread_helper+0x4/0x10 [ 356.524009] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524013] [] ? retint_restore_args+0xe/0xe [ 356.524017] [] ? kthreadd+0x160/0x160 [ 356.524021] [] ? gs_change+0xb/0xb [ 356.524026] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: posixcputmr/9/63 [ 356.524029] caller is kmem_cache_free+0xb9/0x240 [ 356.524031] Pid: 63, comm: posixcputmr/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.524032] Call Trace: [ 356.524036] [] debug_smp_processor_id+0x110/0x130 [ 356.524040] [] kmem_cache_free+0xb9/0x240 [ 356.524044] [] __cleanup_sighand+0x27/0x30 [ 356.524048] [] release_task+0x246/0x540 [ 356.524051] [] ? release_task+0x1d/0x540 [ 356.524055] [] ? _raw_spin_unlock+0x35/0x60 [ 356.524058] [] do_exit+0x65e/0x8e0 [ 356.524062] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524065] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524069] [] kthread+0xa0/0xb0 [ 356.524073] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524077] [] ? sub_preempt_count+0xa9/0xe0 [ 356.524081] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524085] [] kernel_thread_helper+0x4/0x10 [ 356.524089] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524093] [] ? retint_restore_args+0xe/0xe [ 356.524097] [] ? kthreadd+0x160/0x160 [ 356.524100] [] ? gs_change+0xb/0xb [ 356.524103] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: posixcputmr/9/63 [ 356.524105] caller is kmem_cache_free+0xd0/0x240 [ 356.524107] Pid: 63, comm: posixcputmr/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.524108] Call Trace: [ 356.524112] [] debug_smp_processor_id+0x110/0x130 [ 356.524116] [] kmem_cache_free+0xd0/0x240 [ 356.524120] [] __cleanup_sighand+0x27/0x30 [ 356.524123] [] release_task+0x246/0x540 [ 356.524127] [] ? release_task+0x1d/0x540 [ 356.524130] [] ? _raw_spin_unlock+0x35/0x60 [ 356.524134] [] do_exit+0x65e/0x8e0 [ 356.524138] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524141] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524145] [] kthread+0xa0/0xb0 [ 356.524149] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524153] [] ? sub_preempt_count+0xa9/0xe0 [ 356.524157] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524161] [] kernel_thread_helper+0x4/0x10 [ 356.524165] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524169] [] ? retint_restore_args+0xe/0xe [ 356.524173] [] ? kthreadd+0x160/0x160 [ 356.524176] [] ? gs_change+0xb/0xb [ 356.524179] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: posixcputmr/9/63 [ 356.524182] caller is unlock_slab_and_free_delayed+0x28/0xf0 [ 356.524183] Pid: 63, comm: posixcputmr/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.524185] Call Trace: [ 356.524189] [] debug_smp_processor_id+0x110/0x130 [ 356.524193] [] unlock_slab_and_free_delayed+0x28/0xf0 [ 356.524197] [] kmem_cache_free+0x105/0x240 [ 356.524201] [] __cleanup_sighand+0x27/0x30 [ 356.524204] [] release_task+0x246/0x540 [ 356.524208] [] ? release_task+0x1d/0x540 [ 356.524212] [] ? _raw_spin_unlock+0x35/0x60 [ 356.524215] [] do_exit+0x65e/0x8e0 [ 356.524219] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524222] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524226] [] kthread+0xa0/0xb0 [ 356.524230] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524234] [] ? sub_preempt_count+0xa9/0xe0 [ 356.524238] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524242] [] kernel_thread_helper+0x4/0x10 [ 356.524246] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524250] [] ? retint_restore_args+0xe/0xe [ 356.524254] [] ? kthreadd+0x160/0x160 [ 356.524257] [] ? gs_change+0xb/0xb [ 356.524259] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: posixcputmr/9/63 [ 356.524262] caller is unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.524264] Pid: 63, comm: posixcputmr/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.524265] Call Trace: [ 356.524269] [] debug_smp_processor_id+0x110/0x130 [ 356.524273] [] unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.524277] [] kmem_cache_free+0x105/0x240 [ 356.524281] [] __cleanup_sighand+0x27/0x30 [ 356.524284] [] release_task+0x246/0x540 [ 356.524288] [] ? release_task+0x1d/0x540 [ 356.524292] [] ? _raw_spin_unlock+0x35/0x60 [ 356.524295] [] do_exit+0x65e/0x8e0 [ 356.524299] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524302] [] ? cpu_timer_fire+0xa0/0xa0 [ 356.524306] [] kthread+0xa0/0xb0 [ 356.524310] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524314] [] ? sub_preempt_count+0xa9/0xe0 [ 356.524318] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524322] [] kernel_thread_helper+0x4/0x10 [ 356.524326] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524330] [] ? retint_restore_args+0xe/0xe [ 356.524334] [] ? kthreadd+0x160/0x160 [ 356.524337] [] ? gs_change+0xb/0xb [ 356.528436] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: watchdog/9/68 [ 356.528440] caller is kmem_cache_free+0x43/0x240 [ 356.528442] Pid: 68, comm: watchdog/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.528443] Call Trace: [ 356.528449] [] debug_smp_processor_id+0x110/0x130 [ 356.528453] [] kmem_cache_free+0x43/0x240 [ 356.528457] [] __cleanup_sighand+0x27/0x30 [ 356.528461] [] release_task+0x246/0x540 [ 356.528464] [] ? release_task+0x1d/0x540 [ 356.528468] [] ? _raw_spin_unlock+0x35/0x60 [ 356.528472] [] do_exit+0x65e/0x8e0 [ 356.528478] [] ? watchdog_enable+0x220/0x220 [ 356.528482] [] kthread+0xa0/0xb0 [ 356.528486] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528491] [] ? sub_preempt_count+0xa9/0xe0 [ 356.528495] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528499] [] kernel_thread_helper+0x4/0x10 [ 356.528503] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528507] [] ? retint_restore_args+0xe/0xe [ 356.528511] [] ? kthreadd+0x160/0x160 [ 356.528515] [] ? gs_change+0xb/0xb [ 356.528520] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: watchdog/9/68 [ 356.528523] caller is kmem_cache_free+0xb9/0x240 [ 356.528525] Pid: 68, comm: watchdog/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.528526] Call Trace: [ 356.528530] [] debug_smp_processor_id+0x110/0x130 [ 356.528534] [] kmem_cache_free+0xb9/0x240 [ 356.528538] [] __cleanup_sighand+0x27/0x30 [ 356.528541] [] release_task+0x246/0x540 [ 356.528544] [] ? release_task+0x1d/0x540 [ 356.528548] [] ? _raw_spin_unlock+0x35/0x60 [ 356.528552] [] do_exit+0x65e/0x8e0 [ 356.528556] [] ? watchdog_enable+0x220/0x220 [ 356.528560] [] kthread+0xa0/0xb0 [ 356.528564] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528568] [] ? sub_preempt_count+0xa9/0xe0 [ 356.528572] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528576] [] kernel_thread_helper+0x4/0x10 [ 356.528579] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528583] [] ? retint_restore_args+0xe/0xe [ 356.528587] [] ? kthreadd+0x160/0x160 [ 356.528591] [] ? gs_change+0xb/0xb [ 356.528593] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: watchdog/9/68 [ 356.528596] caller is kmem_cache_free+0xd0/0x240 [ 356.528597] Pid: 68, comm: watchdog/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.528599] Call Trace: [ 356.528602] [] debug_smp_processor_id+0x110/0x130 [ 356.528606] [] kmem_cache_free+0xd0/0x240 [ 356.528610] [] __cleanup_sighand+0x27/0x30 [ 356.528613] [] release_task+0x246/0x540 [ 356.528617] [] ? release_task+0x1d/0x540 [ 356.528621] [] ? _raw_spin_unlock+0x35/0x60 [ 356.528624] [] do_exit+0x65e/0x8e0 [ 356.528628] [] ? watchdog_enable+0x220/0x220 [ 356.528632] [] kthread+0xa0/0xb0 [ 356.528636] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528640] [] ? sub_preempt_count+0xa9/0xe0 [ 356.528644] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528648] [] kernel_thread_helper+0x4/0x10 [ 356.528652] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528656] [] ? retint_restore_args+0xe/0xe [ 356.528660] [] ? kthreadd+0x160/0x160 [ 356.528663] [] ? gs_change+0xb/0xb [ 356.528666] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: watchdog/9/68 [ 356.528668] caller is unlock_slab_and_free_delayed+0x28/0xf0 [ 356.528670] Pid: 68, comm: watchdog/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.528671] Call Trace: [ 356.528675] [] debug_smp_processor_id+0x110/0x130 [ 356.528679] [] unlock_slab_and_free_delayed+0x28/0xf0 [ 356.528683] [] kmem_cache_free+0x105/0x240 [ 356.528687] [] __cleanup_sighand+0x27/0x30 [ 356.528690] [] release_task+0x246/0x540 [ 356.528694] [] ? release_task+0x1d/0x540 [ 356.528698] [] ? _raw_spin_unlock+0x35/0x60 [ 356.528701] [] do_exit+0x65e/0x8e0 [ 356.528705] [] ? watchdog_enable+0x220/0x220 [ 356.528709] [] kthread+0xa0/0xb0 [ 356.528713] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528717] [] ? sub_preempt_count+0xa9/0xe0 [ 356.528721] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528725] [] kernel_thread_helper+0x4/0x10 [ 356.528729] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528733] [] ? retint_restore_args+0xe/0xe [ 356.528737] [] ? kthreadd+0x160/0x160 [ 356.528740] [] ? gs_change+0xb/0xb [ 356.528743] BUG: using smp_processor_id() in preemptible [00000000 00000000] code: watchdog/9/68 [ 356.528746] caller is unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.528747] Pid: 68, comm: watchdog/9 Tainted: G W 3.0.7-rt20-00826-g3a88799 #3 [ 356.528749] Call Trace: [ 356.528752] [] debug_smp_processor_id+0x110/0x130 [ 356.528757] [] unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.528761] [] kmem_cache_free+0x105/0x240 [ 356.528765] [] __cleanup_sighand+0x27/0x30 [ 356.528768] [] release_task+0x246/0x540 [ 356.528771] [] ? release_task+0x1d/0x540 [ 356.528775] [] ? _raw_spin_unlock+0x35/0x60 [ 356.528779] [] do_exit+0x65e/0x8e0 [ 356.528783] [] ? watchdog_enable+0x220/0x220 [ 356.528787] [] kthread+0xa0/0xb0 [ 356.528791] [] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528795] [] ? sub_preempt_count+0xa9/0xe0 [ 356.528799] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528803] [] kernel_thread_helper+0x4/0x10 [ 356.528807] [] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528811] [] ? retint_restore_args+0xe/0xe [ 356.528815] [] ? kthreadd+0x160/0x160 [ 356.528818] [] ? gs_change+0xb/0xb [ 357.967865] CPU 21 MCA banks CMCI:2 CMCI:3 CMCI:5