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Date: Thu, 2 May 2013 13:54:17 -0700 From: Yinghai Lu <yinghai@...nel.org> To: Thomas Gleixner <tglx@...utronix.de> Cc: Dave Jones <davej@...hat.com>, Linux Kernel <linux-kernel@...r.kernel.org> Subject: Re: clockevents_program_event WARN_ON preventing boot. On Thu, May 2, 2013 at 12:58 PM, Thomas Gleixner <tglx@...utronix.de> wrote: > > The check should be: > > if (td->evtdev && tick_device_is_functional(td->evtdev)) still happens. [ 3.457866] checking TSC synchronization [CPU#0 -> CPU#10]: passed. [ 3.460806] SMP alternatives: lockdep: fixing up alternatives [ 3.464282] ------------[ cut here ]------------ [ 3.464297] WARNING: at kernel/time/clockevents.c:209 clockevents_program_event+0x3b/0x100() [ 3.464300] Modules linked in: [ 3.464306] CPU: 10 PID: 0 Comm: swapper/10 Not tainted 3.9.0-yh-08066-g1252014-dirty #1537 [ 3.464308] Hardware name: Oracle Corporation unknown / , BIOS 11016600 05/17/2011 [ 3.464327] 0000000000000009 ffff88203e203ed8 ffffffff82091022 ffff88203e203f18 [ 3.464343] ffffffff81088990 ffff88203e203f08 80000000003d08ff 80000000003d08ff [ 3.464359] 000000000000000a ffff881027557fd8 0000000000000000 ffff88203e203f28 [ 3.464361] Call Trace: [ 3.464379] <IRQ> [<ffffffff82091022>] dump_stack+0x19/0x1b [ 3.464392] [<ffffffff81088990>] warn_slowpath_common+0x70/0xa0 [ 3.464395] [<ffffffff810889da>] warn_slowpath_null+0x1a/0x20 [ 3.464399] [<ffffffff810e312b>] clockevents_program_event+0x3b/0x100 [ 3.464403] [<ffffffff810e35ec>] tick_handle_periodic+0x4c/0x80 [ 3.464409] [<ffffffff820ae8cd>] smp_apic_timer_interrupt+0x8d/0xa3 [ 3.464418] [<ffffffff820adbef>] apic_timer_interrupt+0x6f/0x80 [ 3.464426] <EOI> [<ffffffff810527f7>] ? default_idle+0x57/0xd0 [ 3.464430] [<ffffffff810527f5>] ? default_idle+0x55/0xd0 [ 3.464434] [<ffffffff81053078>] arch_cpu_idle+0x18/0x20 [ 3.464438] [<ffffffff810dbec5>] cpu_startup_entry+0x165/0x210 [ 3.464446] [<ffffffff8207f3ad>] start_secondary+0x1df/0x1e6 [ 3.464469] ---[ end trace 89673eac7a3370c6 ]--- [ 3.717988] smpboot: Booting processor 11 APIC 0x26 ip 0x90000 > >> a clue: If I disable CONFIG_SLUB_DEBUG, or even boot with slub_debug=- then it boots fine. > > Huch? That does not make any sense. I don't have that CONFIG_SLUB_DEBUG in .config Yinghai -- 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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