Messages in this thread | | | Date | Thu, 2 Feb 2012 23:22:54 +0100 | Subject | Re: WARNING: at arch/x86/kernel/cpu/perf_event.c:989 | From | Stephane Eranian <> |
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Thanks for the bug report. I did fix a couple of those in intel_ds.c and intel_lbr.c, obviously there is another one in x86_pmu_start(). I'll post a patch to remove that warning.
On Thu, Feb 2, 2012 at 10:32 PM, Markus Trippelsdorf <markus@trippelsdorf.de> wrote: > On 2012.02.02 at 22:17 +0100, Markus Trippelsdorf wrote: >> The following warning is easily reproducible after todays >> 'perf-urgent-for-mingo' merge by just running "perf top": >> >> ------------[ cut here ]------------ >> WARNING: at arch/x86/kernel/cpu/perf_event.c:989 x86_pmu_start+0xa5/0x100() >> Hardware name: System Product Name >> Pid: 0, comm: swapper/2 Not tainted 3.3.0-rc2-00068-g24b36da-dirty #22 >> Call Trace: >> <IRQ> [<ffffffff81054ba0>] ? warn_slowpath_common+0x60/0xa0 >> [<ffffffff8103e1a5>] ? x86_pmu_start+0xa5/0x100 >> [<ffffffff8109f062>] ? perf_adjust_freq_unthr_context.part.82+0xe2/0x140 >> [<ffffffff8109f260>] ? perf_event_task_tick+0x1a0/0x280 >> [<ffffffff81078be3>] ? scheduler_tick+0xc3/0x140 >> [<ffffffff810615b5>] ? update_process_times+0x55/0x80 >> [<ffffffff8108904d>] ? tick_sched_timer+0x4d/0xa0 >> [<ffffffff81072d1b>] ? __run_hrtimer.isra.32+0x3b/0xc0 >> [<ffffffff810735e5>] ? hrtimer_interrupt+0xc5/0x1e0 >> [<ffffffff81045de3>] ? smp_apic_timer_interrupt+0x63/0xa0 >> [<ffffffff8147768b>] ? apic_timer_interrupt+0x6b/0x70 >> <EOI> [<ffffffff81039100>] ? default_idle+0x20/0x40 >> [<ffffffff81039172>] ? amd_e400_idle+0x52/0x100 >> [<ffffffff81030156>] ? cpu_idle+0xb6/0xe0 >> ---[ end trace 7dc3992f562261b6 ]--- > > Most likely caused by e050e3f0a71b : > perf: Fix broken interrupt rate throttling > > CCing Stephane. > > -- > Markus -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.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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