Messages in this thread | | | Date | Thu, 2 May 2013 14:36:14 -0700 | Subject | Re: clockevents_program_event WARN_ON preventing boot. | From | Yinghai Lu <> |
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On Thu, May 2, 2013 at 2:19 PM, Thomas Gleixner <tglx@linutronix.de> wrote: > Can you please apply the following debug patch and provide the output? > > diff --git a/kernel/time/clockevents.c b/kernel/time/clockevents.c > index c6d6400..b4d9622 100644 > --- a/kernel/time/clockevents.c > +++ b/kernel/time/clockevents.c > @@ -207,6 +207,8 @@ int clockevents_program_event(struct clock_event_device *dev, ktime_t expires, > > if (unlikely(expires.tv64 < 0)) { > WARN_ON_ONCE(1); > + printk_once(KERN_INFO "expires %llx, dev->next %llx\n", > + expires.tv64, dev->next_event.tv64); > return -ETIME; > } >
[ 3.450968] SMP alternatives: lockdep: fixing up alternatives [ 3.454454] ------------[ cut here ]------------ [ 3.454470] WARNING: at kernel/time/clockevents.c:209 clockevents_program_event+0x3e/0x120() [ 3.454473] Modules linked in: [ 3.454479] CPU: 10 PID: 0 Comm: swapper/10 Not tainted 3.9.0-yh-08066-g1252014-dirty #1538 [ 3.454481] Hardware name: Oracle Corporation unknown / , BIOS 11016600 05/17/2011 [ 3.454500] 0000000000000009 ffff88203e203ed8 ffffffff82091042 ffff88203e203f18 [ 3.454518] ffffffff81088990 ffff88203e203f08 ffff88203e20d000 80000000003d08ff [ 3.454526] 000000000000000a ffff881027557fd8 0000000000000000 ffff88203e203f28 [ 3.454527] Call Trace: [ 3.454540] <IRQ> [<ffffffff82091042>] dump_stack+0x19/0x1b [ 3.454548] [<ffffffff81088990>] warn_slowpath_common+0x70/0xa0 [ 3.454552] [<ffffffff810889da>] warn_slowpath_null+0x1a/0x20 [ 3.454556] [<ffffffff810e312e>] clockevents_program_event+0x3e/0x120 [ 3.454560] [<ffffffff810e360c>] tick_handle_periodic+0x4c/0x80 [ 3.454566] [<ffffffff820ae8cd>] smp_apic_timer_interrupt+0x8d/0xa3 [ 3.454575] [<ffffffff820adbef>] apic_timer_interrupt+0x6f/0x80 [ 3.454583] <EOI> [<ffffffff810527f7>] ? default_idle+0x57/0xd0 [ 3.454587] [<ffffffff810527f5>] ? default_idle+0x55/0xd0 [ 3.454591] [<ffffffff81053078>] arch_cpu_idle+0x18/0x20 [ 3.454595] [<ffffffff810dbec5>] cpu_startup_entry+0x165/0x210 [ 3.454603] [<ffffffff8207f3cd>] start_secondary+0x1df/0x1e6 [ 3.454626] ---[ end trace 2f2f1a2adee9c881 ]--- [ 3.454628] expires 80000000003d08ff, dev->next 7fffffffffffffff
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