Never saw any of those during testing of all 3.9 rc releases.
[ 1.023422] Intel PMU driver.
[ 1.025859] perf_event_intel: PEBS disabled due to CPU errata, please upgrade microcode
[ 1.032534] ... version: 3
[ 1.036078] ... bit width: 48
[ 1.039506] ... generic registers: 8
[ 1.042856] ... value mask: 0000ffffffffffff
[ 1.047382] ... max period: 000000007fffffff
[ 1.052229] ... fixed-purpose events: 3
[ 1.055641] ... event mask: 00000007000000ff
[ 1.065070] smpboot: Booting Node 0, Processors #1
[ 1.082422] BUG: unable to handle kernel NULL pointer dereference at 0000000000000048
[ 1.089361] IP: [<ffffffff810a73af>] tick_do_broadcast+0x6f/0xb0
[ 1.094455] PGD 0
[ 1.096126] Oops: 0000 [#1] SMP
[ 1.098793] Modules linked in:
[ 1.101464] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
[ 1.106487] Hardware nt DL120 G7, BIOS J01 02/01/2012
[ 1.510871] task: ffff8802041c8000 ti: ffff8802041c2000 task.ti: ffff8802041c2000
[ 1.517310] RIP: 0010:[<ffffffff810a73af>] [<ffffffff810a73af>] tick_do_broadcast+0x6f/0xb0
[ 1.524408] RSP: 0000:ffff88020f403d10 EFLAGS: 00010002
[ 1.528867] RAX: 0000000000000000 RBX: ffff88020705a0d0 RCX: 0000000000000001
[ 1.535019] RDX: 0000000000000001 RSI: 0000000000000040 RDI: ffff88020705a0d0
[ 1.540963] RBP: ffff88020f403d20 R08: 0000000000000002 R09: 0000000000000001
[ 1.546980] R10: 0000000000000002 R11: 000000000000b37c R12: 000000000000d9a0
[ 1.553124] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[ 1.559060] FS: 0000000000000000(0000) GS:ffff88020f400000(0000) knlGS:0000000000000000
[ 1.566007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1.570771] CR2: 0000000000000048 CR3: 00000000018d5000 CR4: 00000000000407f0
[ 1.576792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1.582933] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
[ 1.588880] Stack:
[ 1.590563] ffffffff818dca80 ffffffff818e8400 ffff88020f403d30 ffffffff810a75b1
[ 1.596932] ffff88020f403d50 ffffffff810a75d4 0 0000000000000000
[ 2.002208] ffff88020f403d60 ffffffff81004935 ffff88020f403db0 ffffffff810df624
[ 2.008450] Call Trace:
[ 2.010471] <IRQ>
[ 2.012057] [<ffffffff810a75b1>] tick_do_periodic_broadcast+0x41/0x50
[ 2.017847] [<ffffffff810a75d4>] tick_handle_periodic_broadcast+0x14/0x50
[ 2.023640] [<ffffffff81004935>] timer_interrupt+0x15/0x20
[ 2.028291] [<ffffffff810df624>] handle_irq_event_percpu+0x54/0x1e0
[ 2.033810] [<ffffffff8108a7be>] ? task_tick_fair+0x16e/0x550
[ 2.038626] [<ffffffff810df7f2>] handle_irq_event+0x42/0x70
[ 2.043418] [<ffffffff810e20ff>] handle_edge_irq+0x6f/0x110
[ 2.048508] [<ffffffff8100415f>] handle_irq+0xbf/0x150
[ 2.052945] [<ffffffff810569c1>] ? irq_enter+0x51/0x90
[ 2.057362] [<ffffffff8108915c>] ? update_curr+0xec/0x170
[ 2.062044] [<ffffffff816011fa>] do_IRQ+0x5a/0xe0
[ 2.066110] [<ffffffff815f78ea>] common_interrupt+0x6a/0x6a
[ 2.070846] [<ffffffff810567a4>] ? __do_softirq+0x94/0x220
[ 2.075555] [<ffffffff81056761>] ? __do_softirq+0x51/0x220
[ 2.080335] [<ffffffff81056aa5>] irq_exit+0xa5/0xb0
[ 2.084518] [<ffffffff816012ee>] smp_apic_timer_interrupt+0x6e/0x99
[ 2.089842] [<ffffffff8160057a>] apic_timer_interrupt+0x6a/0x70
[ 2.095022] <EOI>
[ 2.096597] [<ffffffff815e0b30>] ? native_cpu_up+0x157.309461] [<ffffffff815e21ea>] _cpu_up+0xc0/0x133
[ 2.505201] [<ffffffff815e2334>] cpu_up+0xd7/0xea
[ 2.509184] [<ffffffff81a0eec3>] smp_init+0x76/0xa6
[ 2.513717] [<ffffffff819f1f55>] kernel_init_freeable+0xdb/0x1ec
[ 2.518789] [<ffffffff815d50d0>] ? rest_init+0x80/0x80
[ 2.523207] [<ffffffff815d50de>] kernel_init+0xe/0xf0
[ 2.527647] [<ffffffff815ff89c>] ret_from_fork+0x7c/0xb0
[ 2.532127] [<ffffffff815d50d0>] ? rest_init+0x80/0x80
[ 2.536569] Code: c3 0f 1f 00 48 63 35 15 8e 92 00 48 89 df 49 c7 c4 a0 d9 00 00 e8 52 e0 24 00 89 c0 48 89 df 48 8b 04 c5 e0 43 9c 81 4a 8b 04 20 <ff> 50 48 48 8b 5d f0 4c 8b 65 f8 c9 c3 0f 1f 40 00 f0 0f b3 07
[ 2.552724] RIP [<ffffffff810a73af>] tick_do_broadcast+0x6f/0xb0
[ 2.558161] RSP <ffff88020f403d10>
[ 2.561059] CR2: 0000000000000048
[ 2.563901] ---[ end trace e29222d88d06c928 ]---
[ 2.567755] Kernel panic - not syncing: Fatal exception in interrupt
[ 3.600013] Shutting down cpus with NMI
CAI Qian
----- Original Message -----
> From: CAI Qian <[email protected]>
> Date: 2013/5/6
> Subject: 3.9.0: panic during boot at tick_do_broadcast
> To: LKML vger.kernel.org>
I bisected it, and found the murderer was this commit:
b352bc1cbc29 tick: Convert broadcast cpu bitmaps to cpumask_var_t
(CC'ed the patches' author Thomas.)
Hello Thomas, could you have a look at this issue?
Thanks,
Zhouping
>
>
> Never saw any of those during testing of all 3.9 rc releases.
>
> [ 1.023422] Intel PMU driver.
> [ 1.025859] perf_event_intel: PEBS disabled due to CPU errata, please
> upgrade microcode
> [ 1.032534] ... version: 3
> [ 1.036078] ... bit width: 48
> [ 1.039506] ... generic registers: 8
> [ 1.042856] ... value mask: 0000ffffffffffff
> [ 1.047382] ... max period: 000000007fffffff
> [ 1.052229] ... fixed-purpose events: 3
> [ 1.055641] ... event mask: 00000007000000ff
> [ 1.065070] smpboot: Booting Node 0, Processors #1
> [ 1.082422] BUG: unable to handle kernel NULL pointer dereference at
> 0000000000000048
> [ 1.089361] IP: [] tick_do_broadcast+0x6f/0xb0
> [ 1.094455] PGD 0
> [ 1.096126] Oops: 0000 [#1] SMP
> [ 1.098793] Modules linked in:
> [ 1.101464] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 3.9.0+ #1
> [ 1.106487] Hardware nt DL120 G7, BIOS J01 02/01/2012
> [ 1.510871] task: ffff8802041c8000 ti: ffff8802041c2000 task.ti:
> ffff8802041c2000
> [ 1.517310] RIP: 0010:[] []
> tick_do_broadcast+0x6f/0xb0
> [ 1.524408] RSP: 0000:ffff88020f403d10 EFLAGS: 00010002
> [ 1.528867] RAX: 0000000000000000 RBX: ffff88020705a0d0 RCX:
> 0000000000000001
> [ 1.535019] RDX: 0000000000000001 RSI: 0000000000000040 RDI:
> ffff88020705a0d0
> [ 1.540963] RBP: ffff88020f403d20 R08: 0000000000000002 R09:
> 0000000000000001
> [ 1.546980] R10: 0000000000000002 R11: 000000000000b37c R12:
> 000000000000d9a0
> [ 1.553124] R13: 0000000000000000 R14: 0000000000000000 R15:
> 0000000000000001
> [ 1.559060] FS: 0000000000000000(0000) GS:ffff88020f400000(0000)
> knlGS:0000000000000000
> [ 1.566007] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
> [ 1.570771] CR2: 0000000000000048 CR3: 00000000018d5000 CR4:
> 00000000000407f0
> [ 1.576792] DR0: 0000000000000000 DR1: 0000000000000000 DR2:
> 0000000000000000
> [ 1.582933] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7:
> 0000000000000400
> [ 1.588880] Stack:
> [ 1.590563] ffffffff818dca80 ffffffff818e8400 ffff88020f403d30
> ffffffff810a75b1
> [ 1.596932] ffff88020f403d50 ffffffff810a75d4 0 0000000000000000
> [ 2.002208] ffff88020f403d60 ffffffff81004935 ffff88020f403db0
> ffffffff810df624
> [ 2.008450] Call Trace:
> [ 2.010471]
> [ 2.012057] [] tick_do_periodic_broadcast+0x41/0x50
> [ 2.017847] []
> tick_handle_periodic_broadcast+0x14/0x50
> [ 2.023640] [] timer_interrupt+0x15/0x20
> [ 2.028291] [] handle_irq_event_percpu+0x54/0x1e0
> [ 2.033810] [] ? task_tick_fair+0x16e/0x550
> [ 2.038626] [] handle_irq_event+0x42/0x70
> [ 2.043418] [] handle_edge_irq+0x6f/0x110
> [ 2.048508] [] handle_irq+0xbf/0x150
> [ 2.052945] [] ? irq_enter+0x51/0x90
> [ 2.057362] [] ? update_curr+0xec/0x170
> [ 2.062044] [] do_IRQ+0x5a/0xe0
> [ 2.066110] [] common_interrupt+0x6a/0x6a
> [ 2.070846] [] ? __do_softirq+0x94/0x220
> [ 2.075555] [] ? __do_softirq+0x51/0x220
> [ 2.080335] [] irq_exit+0xa5/0xb0
> [ 2.084518] [] smp_apic_timer_interrupt+0x6e/0x99
> [ 2.089842] [] apic_timer_interrupt+0x6a/0x70
> [ 2.095022]
> [ 2.096597] [] ? native_cpu_up+0x157.309461]
> [] _cpu_up+0xc0/0x133
> [ 2.505201] [] cpu_up+0xd7/0xea
> [ 2.509184] [] smp_init+0x76/0xa6
> [ 2.513717] [] kernel_init_freeable+0xdb/0x1ec
> [ 2.518789] [] ? rest_init+0x80/0x80
> [ 2.523207] [] kernel_init+0xe/0xf0
> [ 2.527647] [] ret_from_fork+0x7c/0xb0
> [ 2.532127] [] ? rest_init+0x80/0x80
> [ 2.536569] Code: c3 0f 1f 00 48 63 35 15 8e 92 00 48 89 df 49 c7 c4 a0
> d9 00 00 e8 52 e0 24 00 89 c0 48 89 df 48 8b 04 c5 e0 43 9c 81 4a 8b 04 20
> 50 48 48 8b 5d f0 4c 8b 65 f8 c9 c3 0f 1f 40 00 f0 0f b3 07
> [ 2.552724] RIP [] tick_do_broadcast+0x6f/0xb0
> [ 2.558161] RSP
> [ 2.561059] CR2: 0000000000000048
> [ 2.563901] ---[ end trace e29222d88d06c928 ]---
> [ 2.567755] Kernel panic - not syncing: Fatal exception in interrupt
> [ 3.600013] Shutting down cpus with NMI
>
> CAI Qian
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--
Thanks,
Zhouping