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Date: Wed, 20 Jul 2011 11:35:30 -0700 From: Darren Hart <dvhart@...ux.intel.com> To: Thomas Gleixner <tglx@...utronix.de> CC: LKML <linux-kernel@...r.kernel.org>, linux-rt-users <linux-rt-users@...r.kernel.org>, Peter Zijlstra <peterz@...radead.org>, Ingo Molnar <mingo@...e.hu>, Carsten Emde <ce@...g.ch>, Clark Williams <williams@...hat.com>, "Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>, Kumar Gala <galak@...e.crashing.org>, Ralf Baechle <ralf@...ux-mips.org> Subject: Re: [ANNOUNCE] 3.0-rc7-rt0 (hang then panic on dual socket xeon) Full dmesg with LOG_BUF_SHIFT = 21 per tglx's request appended below: On 07/20/2011 10:02 AM, Darren Hart wrote: > On 07/19/2011 05:37 PM, Thomas Gleixner wrote: > >> What's needed? >> >> - Testing, testing, testing ... you know the drill (good bug >> reports are 98% of the solution) >> > > Hi Thomas, > > I built 3.0.0-rc7-rt0 for a dual socket xeon x5680 (12 cores, 24 threads), .config attached. [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Linux version 3.0.0-rc7-rt0+ (dvhart@...e) (gcc version 4.4.5 (Ubuntu/Linaro 4.4.4-14ubuntu5) ) #2 SMP PREEMPT Wed Jul 20 11:25:36 PDT 2011 [ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-3.0.0-rc7-rt0+ root=UUID=3b6dee75-6fe1-4b61-ad27-51aa7d29daf9 ro console=tty0 console=ttyS1,115200n8 [ 0.000000] BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: 0000000000000000 - 0000000000099800 (usable) [ 0.000000] BIOS-e820: 0000000000099800 - 00000000000a0000 (reserved) [ 0.000000] BIOS-e820: 00000000000e4000 - 0000000000100000 (reserved) [ 0.000000] BIOS-e820: 0000000000100000 - 00000000bf790000 (usable) [ 0.000000] BIOS-e820: 00000000bf790000 - 00000000bf79e000 (ACPI data) [ 0.000000] BIOS-e820: 00000000bf79e000 - 00000000bf7d0000 (ACPI NVS) [ 0.000000] BIOS-e820: 00000000bf7d0000 - 00000000bf7e0000 (reserved) [ 0.000000] BIOS-e820: 00000000bf7ec000 - 00000000c0000000 (reserved) [ 0.000000] BIOS-e820: 00000000e0000000 - 00000000f0000000 (reserved) [ 0.000000] BIOS-e820: 00000000fee00000 - 00000000fee01000 (reserved) [ 0.000000] BIOS-e820: 00000000ffc00000 - 0000000100000000 (reserved) [ 0.000000] BIOS-e820: 0000000100000000 - 0000000440000000 (usable) [ 0.000000] NX (Execute Disable) protection: active [ 0.000000] DMI present. [ 0.000000] No AGP bridge found [ 0.000000] last_pfn = 0x440000 max_arch_pfn = 0x400000000 [ 0.000000] x86 PAT enabled: cpu 0, old 0x7040600070406, new 0x7010600070106 [ 0.000000] last_pfn = 0xbf790 max_arch_pfn = 0x400000000 [ 0.000000] found SMP MP-table at [ffff8800000ff780] ff780 [ 0.000000] Using GB pages for direct mapping [ 0.000000] init_memory_mapping: 0000000000000000-00000000bf790000 [ 0.000000] init_memory_mapping: 0000000100000000-0000000440000000 [ 0.000000] RAMDISK: 36df9000 - 37ff0000 [ 0.000000] ACPI: RSDP 00000000000fabe0 00024 (v02 ACPIAM) [ 0.000000] ACPI: XSDT 00000000bf790100 0006C (v01 SMCI 20110105 MSFT 00000097) [ 0.000000] ACPI: FACP 00000000bf790290 000F4 (v03 010511 FACP1122 20110105 MSFT 00000097) [ 0.000000] ACPI: DSDT 00000000bf7906a0 0655C (v01 10006 10006000 00000000 INTL 20051117) [ 0.000000] ACPI: FACS 00000000bf79e000 00040 [ 0.000000] ACPI: APIC 00000000bf790390 0011E (v01 010511 APIC1122 20110105 MSFT 00000097) [ 0.000000] ACPI: MCFG 00000000bf7904b0 0003C (v01 010511 OEMMCFG 20110105 MSFT 00000097) [ 0.000000] ACPI: SLIT 00000000bf7904f0 00030 (v01 010511 OEMSLIT 20110105 MSFT 00000097) [ 0.000000] ACPI: OEMB 00000000bf79e040 00085 (v01 010511 OEMB1122 20110105 MSFT 00000097) [ 0.000000] ACPI: SRAT 00000000bf79a6a0 00250 (v01 010511 OEMSRAT 00000001 INTL 00000001) [ 0.000000] ACPI: HPET 00000000bf79a8f0 00038 (v01 010511 OEMHPET 20110105 MSFT 00000097) [ 0.000000] ACPI: DMAR 00000000bf79e0d0 00128 (v01 AMI OEMDMAR 00000001 MSFT 00000097) [ 0.000000] ACPI: SSDT 00000000bf7a6140 00363 (v01 DpgPmm CpuPm 00000012 INTL 20051117) [ 0.000000] SRAT: PXM 0 -> APIC 0x00 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x02 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x04 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x10 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x12 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x14 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x01 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x03 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x05 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x11 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x13 -> Node 0 [ 0.000000] SRAT: PXM 0 -> APIC 0x15 -> Node 0 [ 0.000000] SRAT: PXM 1 -> APIC 0x20 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x22 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x24 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x30 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x32 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x34 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x21 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x23 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x25 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x31 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x33 -> Node 1 [ 0.000000] SRAT: PXM 1 -> APIC 0x35 -> Node 1 [ 0.000000] SRAT: Node 0 PXM 0 0-a0000 [ 0.000000] SRAT: Node 0 PXM 0 100000-c0000000 [ 0.000000] SRAT: Node 0 PXM 0 100000000-240000000 [ 0.000000] SRAT: Node 1 PXM 1 240000000-440000000 [ 0.000000] NUMA: Node 0 [0,a0000) + [100000,c0000000) -> [0,c0000000) [ 0.000000] NUMA: Node 0 [0,c0000000) + [100000000,240000000) -> [0,240000000) [ 0.000000] Initmem setup node 0 0000000000000000-0000000240000000 [ 0.000000] NODE_DATA [000000023fffb000 - 000000023fffffff] [ 0.000000] Initmem setup node 1 0000000240000000-0000000440000000 [ 0.000000] NODE_DATA [000000043fffa000 - 000000043fffefff] [ 0.000000] Zone PFN ranges: [ 0.000000] DMA 0x00000010 -> 0x00001000 [ 0.000000] DMA32 0x00001000 -> 0x00100000 [ 0.000000] Normal 0x00100000 -> 0x00440000 [ 0.000000] Movable zone start PFN for each node [ 0.000000] early_node_map[4] active PFN ranges [ 0.000000] 0: 0x00000010 -> 0x00000099 [ 0.000000] 0: 0x00000100 -> 0x000bf790 [ 0.000000] 0: 0x00100000 -> 0x00240000 [ 0.000000] 1: 0x00240000 -> 0x00440000 [ 0.000000] ACPI: PM-Timer IO Port: 0x808 [ 0.000000] ACPI: LAPIC (acpi_id[0x01] lapic_id[0x00] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x02] lapic_id[0x02] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x03] lapic_id[0x04] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x04] lapic_id[0x10] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x05] lapic_id[0x12] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x06] lapic_id[0x14] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x07] lapic_id[0x20] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x08] lapic_id[0x22] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x09] lapic_id[0x24] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0a] lapic_id[0x30] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0b] lapic_id[0x32] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0c] lapic_id[0x34] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0d] lapic_id[0x01] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0e] lapic_id[0x03] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x0f] lapic_id[0x05] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x10] lapic_id[0x11] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x11] lapic_id[0x13] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x12] lapic_id[0x15] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x13] lapic_id[0x21] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x14] lapic_id[0x23] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x15] lapic_id[0x25] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x16] lapic_id[0x31] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x17] lapic_id[0x33] enabled) [ 0.000000] ACPI: LAPIC (acpi_id[0x18] lapic_id[0x35] enabled) [ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1]) [ 0.000000] ACPI: IOAPIC (id[0x06] address[0xfec00000] gsi_base[0]) [ 0.000000] IOAPIC[0]: apic_id 6, version 32, address 0xfec00000, GSI 0-23 [ 0.000000] ACPI: IOAPIC (id[0x07] address[0xfec8a000] gsi_base[24]) [ 0.000000] IOAPIC[1]: apic_id 7, version 32, address 0xfec8a000, GSI 24-47 [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl) [ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level) [ 0.000000] Using ACPI (MADT) for SMP configuration information [ 0.000000] ACPI: HPET id: 0x8086a301 base: 0xfed00000 [ 0.000000] SMP: Allowing 24 CPUs, 0 hotplug CPUs [ 0.000000] PM: Registered nosave memory: 0000000000099000 - 000000000009a000 [ 0.000000] PM: Registered nosave memory: 000000000009a000 - 00000000000a0000 [ 0.000000] PM: Registered nosave memory: 00000000000a0000 - 00000000000e4000 [ 0.000000] PM: Registered nosave memory: 00000000000e4000 - 0000000000100000 [ 0.000000] PM: Registered nosave memory: 00000000bf790000 - 00000000bf79e000 [ 0.000000] PM: Registered nosave memory: 00000000bf79e000 - 00000000bf7d0000 [ 0.000000] PM: Registered nosave memory: 00000000bf7d0000 - 00000000bf7e0000 [ 0.000000] PM: Registered nosave memory: 00000000bf7e0000 - 00000000bf7ec000 [ 0.000000] PM: Registered nosave memory: 00000000bf7ec000 - 00000000c0000000 [ 0.000000] PM: Registered nosave memory: 00000000c0000000 - 00000000e0000000 [ 0.000000] PM: Registered nosave memory: 00000000e0000000 - 00000000f0000000 [ 0.000000] PM: Registered nosave memory: 00000000f0000000 - 00000000fee00000 [ 0.000000] PM: Registered nosave memory: 00000000fee00000 - 00000000fee01000 [ 0.000000] PM: Registered nosave memory: 00000000fee01000 - 00000000ffc00000 [ 0.000000] PM: Registered nosave memory: 00000000ffc00000 - 0000000100000000 [ 0.000000] Allocating PCI resources starting at c0000000 (gap: c0000000:20000000) [ 0.000000] Booting paravirtualized kernel on bare hardware [ 0.000000] setup_percpu: NR_CPUS:24 nr_cpumask_bits:24 nr_cpu_ids:24 nr_node_ids:2 [ 0.000000] PERCPU: Embedded 25 pages/cpu @ffff88023fc00000 s72704 r8192 d21504 u131072 [ 0.000000] Built 2 zonelists in Zone order, mobility grouping on. Total pages: 4131092 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-3.0.0-rc7-rt0+ root=UUID=3b6dee75-6fe1-4b61-ad27-51aa7d29daf9 ro console=tty0 console=ttyS1,115200n8 [ 0.000000] PID hash table entries: 4096 (order: 3, 32768 bytes) [ 0.000000] Checking aperture... [ 0.000000] No AGP bridge found [ 0.000000] Memory: 16435728k/17825792k available (5986k kernel code, 1057692k absent, 332372k reserved, 5056k data, 836k init) [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] NR_IRQS:4352 nr_irqs:1280 16 [ 0.000000] Extended CMOS year: 2000 [ 0.000000] Console: colour VGA+ 80x25 [ 0.000000] console [tty0] enabled < Sits here for ~60 seconds > [ 0.000000] console [ttyS1] enabled [ 0.000000] allocated 536870912 bytes of page_cgroup [ 0.000000] please try 'cgroup_disable=memory' option if you don't want memory cgroups [ 0.000000] hpet clockevent registered [ 0.000000] Fast TSC calibration using PIT [ 0.010000] Detected 3333.451 MHz processor. [ 0.000006] Calibrating delay loop (skipped), value calculated using timer frequency.. 6666.90 BogoMIPS (lpj=33334510) [ 0.000009] pid_max: default: 32768 minimum: 301 [ 0.000152] Security Framework initialized [ 0.000162] AppArmor: AppArmor initialized [ 0.002594] Dentry cache hash table entries: 2097152 (order: 12, 16777216 bytes) [ 0.006613] Inode-cache hash table entries: 1048576 (order: 11, 8388608 bytes) [ 0.007978] Mount-cache hash table entries: 256 [ 0.008219] Initializing cgroup subsys cpuacct [ 0.008224] Initializing cgroup subsys memory [ 0.008247] Initializing cgroup subsys devices [ 0.008249] Initializing cgroup subsys freezer [ 0.008250] Initializing cgroup subsys net_cls [ 0.008303] CPU: Physical Processor ID: 0 [ 0.008303] CPU: Processor Core ID: 0 [ 0.008307] mce: CPU supports 9 MCE banks [ 0.008315] CPU0: Thermal monitoring enabled (TM1) [ 0.008322] using mwait in idle threads. [ 0.008944] ACPI: Core revision 20110413 [ 0.040258] ftrace: allocating 22348 entries in 88 pages [ 0.045593] DMAR: Host address width 40 [ 0.045595] DMAR: DRHD base: 0x000000fbffe000 flags: 0x1 [ 0.045605] IOMMU 0: reg_base_addr fbffe000 ver 1:0 cap c90780106f0462 ecap f020fe [ 0.045607] DMAR: RMRR base: 0x000000000e4000 end: 0x000000000e7fff [ 0.045608] DMAR: RMRR base: 0x000000bf7ec000 end: 0x000000bf7fffff [ 0.045609] DMAR: ATSR flags: 0x0 [ 0.045708] IOAPIC id 6 under DRHD base 0xfbffe000 IOMMU 0 [ 0.045709] IOAPIC id 7 under DRHD base 0xfbffe000 IOMMU 0 [ 0.045879] Enabled Interrupt-remapping [ 0.045883] Switched APIC routing to physical flat. [ 0.046344] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1 [ 0.146290] CPU0: Intel(R) Xeon(R) CPU X5680 @ 3.33GHz stepping 02 [ 0.269078] APIC calibration not consistent with PM-Timer: 109ms instead of 100ms [ 0.269079] APIC delta adjusted to PM-Timer: 833362 (916698) [ 0.269084] Performance Events: PEBS fmt1+, Westmere events, Intel PMU driver. [ 0.269088] ... version: 3 [ 0.269089] ... bit width: 48 [ 0.269090] ... generic registers: 4 [ 0.269090] ... value mask: 0000ffffffffffff [ 0.269091] ... max period: 000000007fffffff [ 0.269092] ... fixed-purpose events: 3 [ 0.269093] ... event mask: 000000070000000f [ 0.429024] Booting Node 0, Processors #1 [ 0.429028] smpboot cpu 1: start_ip = 94000 [ 0.668891] #2 [ 0.668894] smpboot cpu 2: start_ip = 94000 [ 0.908749] #3 [ 0.908752] smpboot cpu 3: start_ip = 94000 [ 1.148594] #4 [ 1.148596] smpboot cpu 4: start_ip = 94000 [ 1.388448] #5 [ 1.388451] smpboot cpu 5: start_ip = 94000 [ 1.628301] Ok. [ 1.628303] Booting Node 1, Processors #6 [ 1.628306] smpboot cpu 6: start_ip = 94000 [ 1.868145] #7 [ 1.868147] smpboot cpu 7: start_ip = 94000 [ 2.108000] #8 [ 2.108002] smpboot cpu 8: start_ip = 94000 [ 2.347850] #9 [ 2.347852] smpboot cpu 9: start_ip = 94000 [ 2.587708] #10 [ 2.587710] smpboot cpu 10: start_ip = 94000 [ 2.827551] #11 [ 2.827553] smpboot cpu 11: start_ip = 94000 [ 3.067411] Ok. [ 3.067413] Booting Node 0, Processors #12 [ 3.067418] smpboot cpu 12: start_ip = 94000 [ 3.307266] #13 [ 3.307269] smpboot cpu 13: start_ip = 94000 [ 3.547112] #14 [ 3.547115] smpboot cpu 14: start_ip = 94000 [ 3.786968] #15 [ 3.786972] smpboot cpu 15: start_ip = 94000 [ 7.958852] calibrate_delay_direct() dropping max bogoMips estimate 4 = 13415527832 [ 32.091103] #16 [ 32.091105] smpboot cpu 16: start_ip = 94000 [ 37.133978] CPU16: Stuck ?? [ 60.245289] #17 [ 60.245290] smpboot cpu 17: start_ip = 94000 [ 65.288458] CPU17: Stuck ?? [ 88.399516] Ok. [ 88.399517] Booting Node 1, Processors #18 [ 88.399519] smpboot cpu 18: start_ip = 94000 [ 92.421531] BUG: unable to handle kernel NULL pointer dereference at (null) [ 92.421534] IP: [<ffffffff81154b2f>] kfree+0x15f/0x2f0 [ 92.421540] PGD 0 [ 92.421541] Oops: 0000 [#1] PREEMPT SMP [ 92.421544] CPU 16 [ 92.421544] Modules linked in: [ 92.421546] [ 92.421547] Pid: 0, comm: kworker/0:1 Not tainted 3.0.0-rc7-rt0+ #2 Supermicro X8DTL/X8DTL [ 92.421550] RIP: 0010:[<ffffffff81154b2f>] [<ffffffff81154b2f>] kfree+0x15f/0x2f0 [ 92.421553] RSP: 0000:ffff880227081e08 EFLAGS: 00010046 [ 92.421555] RAX: 0000000000000000 RBX: ffff88023f800580 RCX: ffff880227623c40 [ 92.421557] RDX: 0200000000000080 RSI: 0000000000000000 RDI: ffff88022778b3c0 [ 92.421558] RBP: ffff880227081e48 R08: 0000000000000001 R09: 0000000000000000 [ 92.421560] R10: 0000000000000009 R11: 00000000ffffffff R12: 0000000000000000 [ 92.421562] R13: ffff88022778b3c0 R14: 0000000000000000 R15: 0000000000000000 [ 92.421564] FS: 0000000000000000(0000) GS:ffff88023fd40000(0000) knlGS:0000000000000000 [ 92.421566] CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b [ 92.421568] CR2: 0000000000000000 CR3: 0000000001a06000 CR4: 00000000000006e0 [ 92.421570] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 92.421572] DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 [ 92.421574] Process kworker/0:1 (pid: 0, threadinfo ffff880227080000, task ffff88022707e1c0) [ 92.421576] Stack: [ 92.421577] 000000000000bb18 ffff88022778b3c0 0000000000000000 000000000000bc58 [ 92.421579] 0000000000000010 0000000000000009 ffff88023fd4ad80 000000000000ad80 [ 92.421582] ffff880227081ea8 ffffffff8101c575 ffff880227081e88 ffffffff8102042b [ 92.421584] Call Trace: [ 92.421589] [<ffffffff8101c575>] intel_pmu_cpu_starting+0x125/0x1b0 [ 92.421591] [<ffffffff8102042b>] ? __mcheck_cpu_init_timer+0xbb/0xc0 [ 92.421595] [<ffffffff815c1645>] x86_pmu_notifier+0x57/0x65 [ 92.421599] [<ffffffff815d1326>] notifier_call_chain+0x56/0x80 [ 92.421603] [<ffffffff81089a5e>] __raw_notifier_call_chain+0xe/0x10 [ 92.421605] [<ffffffff810610f0>] __cpu_notify+0x20/0x40 [ 92.421608] [<ffffffff815c4cda>] notify_cpu_starting+0x29/0x2b [ 92.421610] [<ffffffff815c3435>] start_secondary+0x112/0x1c9 [ 92.421612] Code: 0f 88 63 01 00 00 48 8b 10 84 d2 0f 89 54 01 00 00 48 8b 40 30 44 0f b7 78 28 65 8b 04 25 08 d5 00 00 41 39 c7 0f 85 cd 00 00 00 [ 92.421622] 8b 06 41 3b 46 04 0f 83 ad 00 00 00 89 c2 83 c0 01 4d 89 6c [ 92.421627] RIP [<ffffffff81154b2f>] kfree+0x15f/0x2f0 [ 92.421629] RSP <ffff880227081e08> [ 92.421630] CR2: 0000000000000000 [ 93.033042] ---[ end trace 0000000000000001 ]--- [ 93.033045] Kernel panic - not syncing: Attempted to kill the idle task! [ 93.033047] Pid: 0, comm: kworker/0:1 Tainted: G D 3.0.0-rc7-rt0+ #2 [ 93.033049] Call Trace: [ 93.033051] [<ffffffff815cab60>] panic+0x9b/0x1a8 [ 93.033054] [<ffffffff81064093>] do_exit+0x6d3/0x910 [ 93.033057] [<ffffffff8105f732>] ? kmsg_dump+0xd2/0x110 [ 93.033060] [<ffffffff815ceec0>] oops_end+0xb0/0xf0 [ 93.033063] [<ffffffff8103c70b>] no_context+0xfb/0x260 [ 93.033066] [<ffffffff8103c995>] __bad_area_nosemaphore+0x125/0x1e0 [ 93.033068] [<ffffffff8103ca63>] bad_area_nosemaphore+0x13/0x20 [ 93.033070] [<ffffffff815d0f16>] do_page_fault+0x336/0x550 [ 93.033073] [<ffffffff815bea77>] ? cpuid4_cache_lookup_regs+0x3bf/0x427 [ 93.033076] [<ffffffff815ce245>] page_fault+0x25/0x30 [ 93.033078] [<ffffffff81154b2f>] ? kfree+0x15f/0x2f0 [ 93.033080] [<ffffffff81154ade>] ? kfree+0x10e/0x2f0 [ 93.033082] [<ffffffff8101c575>] intel_pmu_cpu_starting+0x125/0x1b0 [ 93.033085] [<ffffffff8102042b>] ? __mcheck_cpu_init_timer+0xbb/0xc0 [ 93.033087] [<ffffffff815c1645>] x86_pmu_notifier+0x57/0x65 [ 93.033089] [<ffffffff815d1326>] notifier_call_chain+0x56/0x80 [ 93.033092] [<ffffffff81089a5e>] __raw_notifier_call_chain+0xe/0x10 [ 93.033094] [<ffffffff810610f0>] __cpu_notify+0x20/0x40 [ 93.033096] [<ffffffff815c4cda>] notify_cpu_starting+0x29/0x2b [ 93.033098] [<ffffffff815c3435>] start_secondary+0x112/0x1c9 -- Darren Hart Intel Open Source Technology Center Yocto Project - Linux Kernel -- 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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