Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755470Ab3ETKC5 (ORCPT ); Mon, 20 May 2013 06:02:57 -0400 Received: from mail-oa0-f52.google.com ([209.85.219.52]:40077 "EHLO mail-oa0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754133Ab3ETKCy (ORCPT ); Mon, 20 May 2013 06:02:54 -0400 MIME-Version: 1.0 In-Reply-To: <20130520050837.GA12848@pd.tnic> References: <1368962741.30275.17.camel@workstation-home> <20130520050837.GA12848@pd.tnic> Date: Mon, 20 May 2013 12:02:53 +0200 Message-ID: Subject: Re: kernel 3.10-rc1 p-state/cpuidle panic From: Tommy Apel To: Borislav Petkov Cc: Dirk Brandewie , linux-kernel@vger.kernel.org Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 4186 Lines: 107 I think it's worth mentioning that this happens on a dual cpu system, I'm running the exact same kernel on a Xeon E3 and has not had this problem. I also changed back to the regular dyntick and after that the dual cpu system has been stabil. /Tommy On May 20, 2013 7:08 AM, "Borislav Petkov" wrote: > > Hmm, > > divide by 0, it seems. > > + Dirk Brandewie. > > On Sun, May 19, 2013 at 01:25:41PM +0200, Tommy Apel Hansen wrote: > > Hello guys, I'm getting this with the current 3.10-rc1, I've enabled the new full-NOHZ > > I'm not sure though if that has something to do with this or if something is changed in the > > p-state code. > > > > System : > > vendor_id : GenuineIntel > > cpu family : 6 > > model : 45 > > model name : Intel(R) Xeon(R) CPU E5-2609 0 @ 2.40GHz > > stepping : 7 > > microcode : 0x70b > > cpu MHz : 1176.000 > > cache size : 10240 KB > > physical id : 1 > > siblings : 4 > > core id : 3 > > cpu cores : 4 > > apicid : 38 > > initial apicid : 38 > > fpu : yes > > fpu_exception : yes > > cpuid level : 13 > > wp : yes > > flags : [lots of stuff] > > bogomips : 4800.56 > > clflush size : 64 > > cache_alignment : 64 > > address sizes : 46 bits physical, 48 bits virtual > > power management: > > > > crash bt: > > PID: 0 TASK: ffff88085c585950 CPU: 5 COMMAND: "swapper/5" > > #0 [ffff88107fc83b80] machine_kexec at ffffffff8102aad6 > > #1 [ffff88107fc83bc0] crash_kexec at ffffffff810e57d0 > > #2 [ffff88107fc83c90] oops_end at ffffffff810073b8 > > #3 [ffff88107fc83cb0] do_divide_error at ffffffff810040c2 > > #4 [ffff88107fc83d50] divide_error at ffffffff81637348 > > [exception RIP: intel_pstate_timer_func+1071] > > RIP: ffffffff814f501f RSP: ffff88107fc83e08 RFLAGS: 00010246 > > RAX: 0000000000000000 RBX: ffff8808555b9e00 RCX: ffff8808555b9e40 > > RDX: 0000000000000000 RSI: 0000000000000064 RDI: 0000000000000001 > > RBP: 0000025debb95955 R8: ffff8808555b9f70 R9: 00000000000003e0 > > R10: dead000000200200 R11: 0000000000000000 R12: 0000001877f8d1d3 > > R13: 000000009a45ae19 R14: 0000001d27d3d1d8 R15: 0000000000000040 > > ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018 > > #5 [ffff88107fc83e00] intel_pstate_timer_func at ffffffff814f4fa2 > > #6 [ffff88107fc83e60] call_timer_fn at ffffffff8109edc3 > > #7 [ffff88107fc83e90] run_timer_softirq at ffffffff810a097e > > #8 [ffff88107fc83f10] __do_softirq at ffffffff810990f1 > > #9 [ffff88107fc83f80] irq_exit at ffffffff810993ce > > #10 [ffff88107fc83f90] smp_apic_timer_interrupt at ffffffff81026448 > > #11 [ffff88107fc83fb0] apic_timer_interrupt at ffffffff81636eca > > --- --- > > #12 [ffff88085c587db8] apic_timer_interrupt at ffffffff81636eca > > [exception RIP: cpuidle_enter_state+72] > > RIP: ffffffff814f5978 RSP: ffff88085c587e68 RFLAGS: 00000216 > > RAX: 000000000001c61d RBX: ffffffff810a11e8 RCX: 0000000000000018 > > RDX: 0000000225c17d03 RSI: ffff88085c587fd8 RDI: ffffffff81a12500 > > RBP: 0000000000000002 R8: 0000000000000030 R9: 0000000000000001 > > R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff810c48dd > > R13: ffff88085c173950 R14: 0000000000000086 R15: 0000000000000000 > > ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018 > > #13 [ffff88085c587eb0] cpuidle_idle_call at ffffffff814f5aca > > #14 [ffff88085c587ef0] arch_cpu_idle at ffffffff8100cef9 > > #15 [ffff88085c587f00] cpu_startup_entry at ffffffff810ce5af > > > > kernel config: > > http://pastebin.com/AmEqQNZx > > > > /Tommy > > > > -- > > 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/ > > > > -- > Regards/Gruss, > Boris. > > Sent from a fat crate under my desk. Formatting is fine. > -- -- 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/