linux-kernel - kernel 3.10-rc1 p-state/cpuidle panic

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Date:	Sun, 19 May 2013 13:25:41 +0200
From:	Tommy Apel Hansen <tommyapeldk@...il.com>
To:	linux-kernel@...r.kernel.org
Subject: kernel 3.10-rc1 p-state/cpuidle panic

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
--- <IRQ stack> ---
#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

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