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Message-ID: <20111025092831.GA32744@zhy> Date: Tue, 25 Oct 2011 17:28:31 +0800 From: Yong Zhang <yong.zhang0@...il.com> To: Thomas Gleixner <tglx@...utronix.de> Cc: LKML <linux-kernel@...r.kernel.org>, linux-rt-users <linux-rt-users@...r.kernel.org> Subject: Re: [ANNOUNCE] 3.0.7-rt20 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.523951] [<ffffffff81134c23>] kmem_cache_free+0x43/0x240 [ 356.523956] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.523960] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.523964] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.523969] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.523973] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.523978] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.523981] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.523986] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.523991] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.523996] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.524000] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524005] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.524009] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524013] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.524017] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.524021] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.524040] [<ffffffff81134c99>] kmem_cache_free+0xb9/0x240 [ 356.524044] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.524048] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.524051] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.524055] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.524058] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.524062] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524065] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524069] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.524073] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524077] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.524081] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524085] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.524089] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524093] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.524097] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.524100] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.524116] [<ffffffff81134cb0>] kmem_cache_free+0xd0/0x240 [ 356.524120] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.524123] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.524127] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.524130] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.524134] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.524138] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524141] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524145] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.524149] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524153] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.524157] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524161] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.524165] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524169] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.524173] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.524176] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.524193] [<ffffffff81134648>] unlock_slab_and_free_delayed+0x28/0xf0 [ 356.524197] [<ffffffff81134ce5>] kmem_cache_free+0x105/0x240 [ 356.524201] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.524204] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.524208] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.524212] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.524215] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.524219] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524222] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524226] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.524230] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524234] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.524238] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524242] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.524246] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524250] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.524254] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.524257] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.524273] [<ffffffff8113467d>] unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.524277] [<ffffffff81134ce5>] kmem_cache_free+0x105/0x240 [ 356.524281] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.524284] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.524288] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.524292] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.524295] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.524299] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524302] [<ffffffff810793b0>] ? cpu_timer_fire+0xa0/0xa0 [ 356.524306] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.524310] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.524314] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.524318] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524322] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.524326] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.524330] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.524334] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.524337] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.528453] [<ffffffff81134c23>] kmem_cache_free+0x43/0x240 [ 356.528457] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.528461] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.528464] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.528468] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.528472] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.528478] [<ffffffff810bd9a0>] ? watchdog_enable+0x220/0x220 [ 356.528482] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.528486] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528491] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.528495] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528499] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.528503] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528507] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.528511] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.528515] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.528534] [<ffffffff81134c99>] kmem_cache_free+0xb9/0x240 [ 356.528538] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.528541] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.528544] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.528548] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.528552] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.528556] [<ffffffff810bd9a0>] ? watchdog_enable+0x220/0x220 [ 356.528560] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.528564] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528568] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.528572] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528576] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.528579] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528583] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.528587] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.528591] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.528606] [<ffffffff81134cb0>] kmem_cache_free+0xd0/0x240 [ 356.528610] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.528613] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.528617] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.528621] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.528624] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.528628] [<ffffffff810bd9a0>] ? watchdog_enable+0x220/0x220 [ 356.528632] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.528636] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528640] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.528644] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528648] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.528652] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528656] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.528660] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.528663] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.528679] [<ffffffff81134648>] unlock_slab_and_free_delayed+0x28/0xf0 [ 356.528683] [<ffffffff81134ce5>] kmem_cache_free+0x105/0x240 [ 356.528687] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.528690] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.528694] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.528698] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.528701] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.528705] [<ffffffff810bd9a0>] ? watchdog_enable+0x220/0x220 [ 356.528709] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.528713] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528717] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.528721] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528725] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.528729] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528733] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.528737] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.528740] [<ffffffff815c1a50>] ? 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] [<ffffffff81357db0>] debug_smp_processor_id+0x110/0x130 [ 356.528757] [<ffffffff8113467d>] unlock_slab_and_free_delayed+0x5d/0xf0 [ 356.528761] [<ffffffff81134ce5>] kmem_cache_free+0x105/0x240 [ 356.528765] [<ffffffff8104c577>] __cleanup_sighand+0x27/0x30 [ 356.528768] [<ffffffff81052e76>] release_task+0x246/0x540 [ 356.528771] [<ffffffff81052c4d>] ? release_task+0x1d/0x540 [ 356.528775] [<ffffffff815bfe55>] ? _raw_spin_unlock+0x35/0x60 [ 356.528779] [<ffffffff81054c9e>] do_exit+0x65e/0x8e0 [ 356.528783] [<ffffffff810bd9a0>] ? watchdog_enable+0x220/0x220 [ 356.528787] [<ffffffff81076600>] kthread+0xa0/0xb0 [ 356.528791] [<ffffffff815be17e>] ? rt_spin_lock_slowunlock+0x1e/0x80 [ 356.528795] [<ffffffff81037d29>] ? sub_preempt_count+0xa9/0xe0 [ 356.528799] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528803] [<ffffffff815c1a54>] kernel_thread_helper+0x4/0x10 [ 356.528807] [<ffffffff815bfdeb>] ? _raw_spin_unlock_irq+0x3b/0x70 [ 356.528811] [<ffffffff815c0184>] ? retint_restore_args+0xe/0xe [ 356.528815] [<ffffffff81076560>] ? kthreadd+0x160/0x160 [ 356.528818] [<ffffffff815c1a50>] ? gs_change+0xb/0xb [ 357.967865] CPU 21 MCA banks CMCI:2 CMCI:3 CMCI:5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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