From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-0.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 609A3C6786F for ; Tue, 30 Oct 2018 15:36:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 93DCE2075D for ; Tue, 30 Oct 2018 15:36:07 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 93DCE2075D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727244AbeJaAaC (ORCPT ); Tue, 30 Oct 2018 20:30:02 -0400 Received: from szxga07-in.huawei.com ([45.249.212.35]:41915 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726537AbeJaAaC (ORCPT ); Tue, 30 Oct 2018 20:30:02 -0400 Received: from DGGEMS414-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id CBCEAF32A590F; Tue, 30 Oct 2018 23:35:51 +0800 (CST) Received: from [127.0.0.1] (10.202.226.41) by DGGEMS414-HUB.china.huawei.com (10.3.19.214) with Microsoft SMTP Server id 14.3.408.0; Tue, 30 Oct 2018 23:35:42 +0800 Subject: Re: Crash report: Broken NUMA distance map causes crash on arm64 system To: Peter Zijlstra References: <20181030092640.GE1459@hirez.programming.kicks-ass.net> CC: "devicetree@vger.kernel.org" , "Anshuman Khandual" , Catalin Marinas , Will Deacon , , Linuxarm , Rob Herring , Frank Rowand , Ingo Molnar , "linux-arm-kernel@lists.infradead.org" From: John Garry Message-ID: Date: Tue, 30 Oct 2018 15:35:35 +0000 User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.3.0 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset="windows-1252"; format=flowed Content-Transfer-Encoding: 7bit X-Originating-IP: [10.202.226.41] X-CFilter-Loop: Reflected Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 30/10/2018 09:55, John Garry wrote: > On 30/10/2018 09:26, Peter Zijlstra wrote: >> On Tue, Oct 23, 2018 at 11:30:11AM +0100, John Garry wrote: >>> Hi all, >>> >>> I have stumbled upon this crash on my arm64 system: >>> >>> [ 7.040874] SMP: Total of 64 processors activated. >>> [ 7.045720] CPU features: detected: GIC system register CPU interface >>> [ 7.052240] CPU features: detected: 32-bit EL0 Support >>> [ 7.144026] CPU: All CPU(s) started at EL2 >>> [ 7.148298] alternatives: patching kernel code >>> [ 7.155277] Unable to handle kernel NULL pointer dereference at >>> virtual >>> address 0000000000000000 >>> [ 7.164163] Mem abort info: >>> [ 7.166978] ESR = 0x96000004 >>> [ 7.170061] Exception class = DABT (current EL), IL = 32 bits >>> [ 7.176043] SET = 0, FnV = 0 >>> [ 7.179121] EA = 0, S1PTW = 0 >>> [ 7.182291] Data abort info: >>> [ 7.185193] ISV = 0, ISS = 0x00000004 >>> [ 7.189066] CM = 0, WnR = 0 >>> [ 7.192056] [0000000000000000] user address but active_mm is swapper >>> [ 7.198480] Internal error: Oops: 96000004 [#1] PREEMPT SMP >>> [ 7.204107] Modules linked in: >>> [ 7.207189] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W >>> 4.19.0-00002-g3ed52fd-dirty #807 >>> [ 7.216596] Hardware name: Hisilicon Hip07 D05 Development Board (DT) >>> [ 7.223102] pstate: 20000005 (nzCv daif -PAN -UAO) >>> [ 7.227946] pc : __ll_sc_atomic_sub_return+0x4/0x20 >>> [ 7.232873] lr : free_sched_groups.part.1+0x40/0x98 >>> [ 7.237797] sp : ffff00000947bc60 >>> [ 7.241138] x29: ffff00000947bc60 x28: ffff801fb49ba000 >>> [ 7.246504] x27: ffff000009109b38 x26: ffff801fb4a38000 >>> [ 7.251869] x25: ffff801fb48cc000 x24: ffff000009109000 >>> [ 7.257235] x23: 0000000000000010 x22: 0000000000000001 >>> [ 7.262599] x21: ffff801fb4a0b000 x20: ffff801fb4a65f00 >>> [ 7.267964] x19: ffff801fb4a65f80 x18: 0000000000000400 >>> [ 7.273329] x17: 00000000ffffffff x16: 0000000000000000 >>> [ 7.278694] x15: ffff801ffbffef80 x14: ffff7e007ed14bc0 >>> [ 7.284059] x13: 00000000000000c0 x12: 000000000000003f >>> [ 7.289423] x11: ffff801fb62258b8 x10: 0000000000000001 >>> [ 7.294788] x9 : ffff801fb44b0100 x8 : 000000000000000f >>> [ 7.300153] x7 : ffff801fb48b1900 x6 : 0000801ff2efb000 >>> [ 7.305518] x5 : ffff0000091096f0 x4 : 0000000000000400 >>> [ 7.310882] x3 : ffff801fb4a65000 x2 : ffff801fb4a0b000 >>> [ 7.316247] x1 : 0000000000000000 x0 : 0000000000000001 >>> [ 7.321613] Process swapper/0 (pid: 1, stack limit = >>> 0x(____ptrval____)) >>> [ 7.328382] Call trace: >>> [ 7.330847] __ll_sc_atomic_sub_return+0x4/0x20 >>> [ 7.335420] destroy_sched_domain+0x20/0x70 >>> [ 7.339642] cpu_attach_domain+0xc8/0x2e8 >>> [ 7.343687] build_sched_domains+0xd44/0xde0 >>> [ 7.347996] sched_init_domains+0x68/0x88 >>> [ 7.352044] sched_init_smp+0x2c/0x7c >>> [ 7.355738] kernel_init_freeable+0xdc/0x244 >>> [ 7.360049] kernel_init+0x10/0x108 >>> [ 7.363567] ret_from_fork+0x10/0x18 >>> [ 7.367174] Code: 88107c31 35ffffb0 d65f03c0 f9800031 (885f7c31) >>> [ 7.373400] ---[ end trace 8150af869a14363f ]--- >>> [ 7.378076] Kernel panic - not syncing: Attempted to kill init! >>> exitcode=0x0000000b >>> [ 7.378076] >>> [ 7.387320] SMP: stopping secondary CPUs >>> [ 7.391297] ---[ end Kernel panic - not syncing: Attempted to kill >>> init! >>> exitcode=0x0000000b >>> [ 7.391297] ]--- >>> >>> I will straightaway note that I have been fiddling with my board's >>> device >>> tree, specifically (breaking!) the NUMA distance map, like this: >>> >>> distance-matrix = <0 0 10>, >>> <0 1 15>, >>> <0 2 20>, >>> <0 3 25>, >>> <1 0 15>, >>> <1 1 10>, >>> <1 2 25>, >>> <1 3 30>, >>> <2 0 20>, >>> <2 1 25>, >>> <2 2 10>, >>> <2 3 15>, >>> <3 0 10>,* should be same as 0->3 and > 10 >>> <3 1 10>,* should be same as 1->3 and > 10 >>> <3 2 15>, >>> <3 3 15>;* should be 10 >>> >>> However I don't think that this should crash the kernel. I'd say >>> of_numa_parse_distance_map_v1() should robustly handle broken maps, >>> probably >>> by erroring and causing NUMA to be disabled. >> >> If build with CONFIG_SCHED_DEBUG=y and boot with "sched_debug" I think >> sched_init_numa() should yell at you for the above 'mistake'. >> > > Right, I have since turned on debug and it was complaining - I'll > provide a log. As promised: EFI stub: Booting Linux Kernel... SmiGraphicsOutputQueryMode + SmiGraphicsOutputQueryMode - SmiGraphicsOutputQueryMode + SmiGraphicsOutputQueryMode - EFI stub: Using DTB from configuration table EFI stub: Exiting boot services and installing virtual address map... [SAL_ClearAffiliationSMP,325]it is going to hard reset dev:0x500E004AAAAAAA1F SAS ExitBootServicesEvent GMAC ExitBootServicesEvent GMAC ExitBootServicesEvent GMAC ExitBootServicesEvent GMAC ExitBootServicesEvent OHCI ExitBootServicesEvent IPMI ExitBootService Event TransferSmbiosToBMC EVENT. Transfer Smbios Table To iBMC Success. GetVariable Status : Not Found. [ 0.000000] Booting Linux on physical CPU 0x0000010000 [0x410fd082] [ 0.000000] Linux version 4.19.0-rc6-00002-gea67197-dirty (johnpgarry@johnpgarry-ThinkCentre-M93p) (gcc version 7.3.1 20180425 [linaro-7.3-2018.05-rc1 revision 38aec9a676236eaa42ca03ccb3a6c1dd0182c29f] (Linaro GCC 7.3-2018.05-rc1)) #877 SMP PREEMPT Tue Oct 30 15:10:30 GMT 2018 [ 0.000000] Machine model: Hisilicon Hip07 D05 Development Board [ 0.000000] earlycon: pl11 at MMIO 0x00000000602b0000 (options '') [ 0.000000] bootconsole [pl11] enabled [ 0.000000] efi: Getting EFI parameters from FDT: [ 0.000000] efi: EFI v2.60 by EDK II [ 0.000000] efi: SMBIOS=0x3f050000 SMBIOS 3.0=0x39b00000 ACPI=0x39bd0000 ACPI 2.0=0x39bd0014 MEMATTR=0x3cc99018 [ 0.000000] crashkernel reserved: 0x0000000002000000 - 0x0000000012000000 (256 MB) [ 0.000000] cma: Reserved 32 MiB at 0x000000003d000000 [ 0.000000] earlycon: pl11 at MMIO32 0x00000000602b0000 (options '115200n8') [ 0.000000] ------------[ cut here ]------------ [ 0.000000] console 'pl11' already registered [ 0.000000] WARNING: CPU: 0 PID: 0 at kernel/printk/printk.c:2586 register_console+0x58/0x3c8 [ 0.000000] Modules linked in: [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 4.19.0-rc6-00002-gea67197-dirty #877 [ 0.000000] Hardware name: Hisilicon Hip07 D05 Development Board (DT) [ 0.000000] pstate: 60000085 (nZCv daIf -PAN -UAO) [ 0.000000] pc : register_console+0x58/0x3c8 [ 0.000000] lr : register_console+0x58/0x3c8 [ 0.000000] sp : ffff000009113de0 [ 0.000000] x29: ffff000009113de0 x28: 0000000000fc0018 [ 0.000000] x27: 000000003cc81018 x26: ffff0000090e2098 [ 0.000000] x25: 0000000000004b10 x24: ffff0000090f5348 [ 0.000000] x23: ffff0000090e2098 x22: ffff000009274000 [ 0.000000] x21: ffff00000920e6d0 x20: 0000000000004b10 [ 0.000000] x19: ffff00000920e6d0 x18: ffffffffffffffff [ 0.000000] x17: 0000000000000000 x16: 0000000000000000 [ 0.000000] x15: ffff0000091196c8 x14: ffff0000892746ef [ 0.000000] x13: ffff0000092746fd x12: ffff000009119940 [ 0.000000] x11: ffff0000085f42b8 x10: ffff000009113ab0 [ 0.000000] x9 : 000000000000000d x8 : 722079646165726c [ 0.000000] x7 : 61202731316c7027 x6 : 000000000000000d [ 0.000000] x5 : 0000000000000000 x4 : 0000000000000000 [ 0.000000] x3 : ffffffffffffffff x2 : ffff000009131640 [ 0.000000] x1 : 0000000000000000 x0 : 0000000000000000 [ 0.000000] Call trace: [ 0.000000] register_console+0x58/0x3c8 [ 0.000000] of_setup_earlycon+0x20c/0x22c [ 0.000000] early_init_dt_scan_chosen_stdout+0x158/0x19c [ 0.000000] acpi_boot_table_init+0x150/0x184 [ 0.000000] setup_arch+0x1cc/0x514 [ 0.000000] start_kernel+0x80/0x418 [ 0.000000] random: get_random_bytes called from print_oops_end_marker+0x48/0x68 with crng_init=0 [ 0.000000] ---[ end trace 0000000000000000 ]--- [ 0.000000] OF: NUMA: parsing numa-distance-map-v1 [ 0.000000] NUMA: Warning: invalid distance parameter, from=3 to=3 distance=15 [ 0.000000] NUMA: NODE_DATA [mem 0x1ffbffe840-0x1ffbffffff] [ 0.000000] NUMA: Initmem setup node 1 [] [ 0.000000] NUMA: NODE_DATA [mem 0x41ffbf41fc0-0x41ffbf4377f] [ 0.000000] NUMA: NODE_DATA(1) on node 2 [ 0.000000] NUMA: NODE_DATA [mem 0x41ffbf40800-0x41ffbf41fbf] [ 0.000000] NUMA: Initmem setup node 3 [] [ 0.000000] NUMA: NODE_DATA [mem 0x41ffbf3f040-0x41ffbf407ff] [ 0.000000] NUMA: NODE_DATA(3) on node 2 [ 0.000000] Zone ranges: [ 0.000000] DMA32 [mem 0x0000000000000000-0x00000000ffffffff] [ 0.000000] Normal [mem 0x0000000100000000-0x0000041ffbffffff] [ 0.000000] Movable zone start for each node [ 0.000000] Early memory node ranges [ 0.000000] node 0: [mem 0x0000000000000000-0x0000000031902fff] [ 0.000000] node 0: [mem 0x0000000031903000-0x0000000031906fff] [ 0.000000] node 0: [mem 0x0000000031907000-0x000000003999ffff] [ 0.000000] node 0: [mem 0x00000000399a0000-0x0000000039a3ffff] [ 0.000000] node 0: [mem 0x0000000039a40000-0x0000000039a8ffff] [ 0.000000] node 0: [mem 0x0000000039a90000-0x0000000039a9ffff] [ 0.000000] node 0: [mem 0x0000000039aa0000-0x0000000039aeffff] [ 0.000000] node 0: [mem 0x0000000039af0000-0x0000000039bbffff] [ 0.000000] node 0: [mem 0x0000000039bc0000-0x0000000039bdffff] [ 0.000000] node 0: [mem 0x0000000039be0000-0x000000003a05ffff] [ 0.000000] node 0: [mem 0x000000003a060000-0x000000003f04ffff] [ 0.000000] node 0: [mem 0x000000003f050000-0x000000003f07ffff] [ 0.000000] node 0: [mem 0x000000003f080000-0x000000003fbfffff] [ 0.000000] node 0: [mem 0x0000001040000000-0x0000001ffbffffff] [ 0.000000] node 2: [mem 0x0000041000000000-0x0000041ffbffffff] [ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x0000001ffbffffff] [ 0.000000] Could not find start_pfn for node 1 [ 0.000000] Initmem setup node 1 [mem 0x0000000000000000-0x0000000000000000] [ 0.000000] Initmem setup node 2 [mem 0x0000041000000000-0x0000041ffbffffff] [ 0.000000] Could not find start_pfn for node 3 [ 0.000000] Initmem setup node 3 [mem 0x0000000000000000-0x0000000000000000] [ 0.000000] percpu: Embedded 23 pages/cpu @(____ptrval____) s56408 r8192 d29608 u94208 [ 0.000000] Detected PIPT I-cache on CPU0 [ 0.000000] CPU features: enabling workaround for EL2 vector hardening [ 0.000000] CPU features: detected: Kernel page table isolation (KPTI) [ 0.000000] Built 4 zonelists, mobility grouping on. Total pages: 32996880 [ 0.000000] Policy zone: Normal [ 0.000000] Kernel command line: BOOT_IMAGE=/john/Image rdinit=/init crashkernel=256M@32M console=ttyAMA0,115200 earlycon=pl011,mmio,0x602b0000 acpi=off pcie_aspm=off earlycon sched_debug [ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes [ 0.000000] log_buf_len total cpu_extra contributions: 258048 bytes [ 0.000000] log_buf_len min size: 131072 bytes [ 0.000000] log_buf_len: 524288 bytes [ 0.000000] early log buf free: 123328(94%) [ 0.000000] software IO TLB: mapped [mem 0x359a0000-0x399a0000] (64MB) [ 0.000000] Memory: 131332180K/134082560K available (10684K kernel code, 1374K rwdata, 4896K rodata, 1344K init, 384K bss, 2717612K reserved, 32768K cma-reserved) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=64, Nodes=4 [ 0.000000] rcu: Preemptible hierarchical RCU implementation. [ 0.000000] Tasks RCU enabled. [ 0.000000] NR_IRQS: 64, nr_irqs: 64, preallocated irqs: 0 [ 0.000000] GICv3: GIC: Using split EOI/Deactivate mode [ 0.000000] GICv3: Distributor has no Range Selector support [ 0.000000] GICv3: VLPI support, direct LPI support [ 0.000000] ITS [mem 0x4c000000-0x4c03ffff] [ 0.000000] ITS@0x000000004c000000: Using ITS number 0 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x000000004c000000: allocated 524288 Devices @1fbb000000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x000000004c000000: allocated 65536 Virtual CPUs @1fbb980000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x000000004c000000: allocated 512 Interrupt Collections @1fbb929000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x6c000000-0x6c03ffff] [ 0.000000] ITS@0x000000006c000000: Using ITS number 1 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x000000006c000000: allocated 524288 Devices @1fbac00000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x000000006c000000: allocated 65536 Virtual CPUs @1fbba00000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x000000006c000000: allocated 512 Interrupt Collections @1fbb92a000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0xc6000000-0xc603ffff] [ 0.000000] ITS@0x00000000c6000000: Using ITS number 2 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x00000000c6000000: allocated 524288 Devices @1fba800000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x00000000c6000000: allocated 65536 Virtual CPUs @1fbba80000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x00000000c6000000: allocated 512 Interrupt Collections @1fbb92c000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x8c6000000-0x8c603ffff] [ 0.000000] ITS@0x00000008c6000000: Using ITS number 3 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x00000008c6000000: allocated 524288 Devices @1fba400000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x00000008c6000000: allocated 65536 Virtual CPUs @1fbbb00000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x00000008c6000000: allocated 512 Interrupt Collections @1fbb92e000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x4004c000000-0x4004c03ffff] [ 0.000000] ITS@0x000004004c000000: Using ITS number 4 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x000004004c000000: allocated 524288 Devices @1fba000000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x000004004c000000: allocated 65536 Virtual CPUs @1fbbb80000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x000004004c000000: allocated 512 Interrupt Collections @1fbb92f000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x4006c000000-0x4006c03ffff] [ 0.000000] ITS@0x000004006c000000: Using ITS number 5 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x000004006c000000: allocated 524288 Devices @1fb9800000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x000004006c000000: allocated 65536 Virtual CPUs @1fb9c80000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x000004006c000000: allocated 512 Interrupt Collections @1fb9c10000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x400c6000000-0x400c603ffff] [ 0.000000] ITS@0x00000400c6000000: Using ITS number 6 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x00000400c6000000: allocated 524288 Devices @1fb9400000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x00000400c6000000: allocated 65536 Virtual CPUs @1fb9d00000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x00000400c6000000: allocated 512 Interrupt Collections @1fb9c11000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS [mem 0x408c6000000-0x408c603ffff] [ 0.000000] ITS@0x00000408c6000000: Using ITS number 7 [ 0.000000] GIC: enabling workaround for ITS: Hip07 erratum 161600802 [ 0.000000] ITS@0x00000408c6000000: allocated 524288 Devices @1fb9000000 (flat, esz 8, psz 16K, shr 1) [ 0.000000] ITS@0x00000408c6000000: allocated 65536 Virtual CPUs @1fb9d80000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] ITS@0x00000408c6000000: allocated 512 Interrupt Collections @1fb9c13000 (flat, esz 8, psz 4K, shr 1) [ 0.000000] GIC: using LPI property table @0x0000001fb9c40000 [ 0.000000] ITS: Using DirectLPI for VPE invalidation [ 0.000000] ITS: Enabling GICv4 support [ 0.000000] GICv3: CPU0: found redistributor 10000 region 0:0x000000004d100000 [ 0.000000] CPU0: using LPI pending table @0x0000001fb9c50000 [ 0.000000] arch_timer: cp15 timer(s) running at 50.00MHz (phys). [ 0.000000] clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0xb8812736b, max_idle_ns: 440795202655 ns [ 0.000001] sched_clock: 56 bits at 50MHz, resolution 20ns, wraps every 4398046511100ns [ 0.008253] Console: colour dummy device 80x25 [ 0.012797] mempolicy: Enabling automatic NUMA balancing. Configure with numa_balancing= or the kernel.numa_balancing sysctl [ 0.024161] Calibrating delay loop (skipped), value calculated using timer frequency.. 100.00 BogoMIPS (lpj=200000) [ 0.034714] pid_max: default: 65536 minimum: 512 [ 0.039437] Security Framework initialized [ 0.066552] Dentry cache hash table entries: 8388608 (order: 14, 67108864 bytes) [ 0.085423] Inode-cache hash table entries: 4194304 (order: 13, 33554432 bytes) [ 0.093195] Mount-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.100677] Mountpoint-cache hash table entries: 131072 (order: 8, 1048576 bytes) [ 0.152289] ASID allocator initialised with 32768 entries [ 0.157776] rcu: Hierarchical SRCU implementation. [ 0.170653] Platform MSI: interrupt-controller@4c000000 domain created [ 0.177254] Platform MSI: interrupt-controller@6c000000 domain created [ 0.183853] Platform MSI: interrupt-controller@c6000000 domain created [ 0.190452] Platform MSI: interrupt-controller@8,c6000000 domain created [ 0.197227] Platform MSI: interrupt-controller@400,4c000000 domain created [ 0.204178] Platform MSI: interrupt-controller@400,6c000000 domain created [ 0.211129] Platform MSI: interrupt-controller@400,c6000000 domain created [ 0.218079] Platform MSI: interrupt-controller@408,c6000000 domain created [ 0.225076] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@4c000000 domain created [ 0.233960] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@6c000000 domain created [ 0.242844] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@c6000000 domain created [ 0.251729] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@8,c6000000 domain created [ 0.260790] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@400,4c000000 domain created [ 0.270026] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@400,6c000000 domain created [ 0.279261] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@400,c6000000 domain created [ 0.288497] PCI/MSI: /interrupt-controller@4d000000/interrupt-controller@408,c6000000 domain created [ 0.298192] Remapping and enabling EFI services. [ 0.310865] smp: Bringing up secondary CPUs ... [ 0.398048] Detected PIPT I-cache on CPU1 [ 0.398060] GICv3: CPU1: found redistributor 10001 region 0:0x000000004d140000 [ 0.398118] CPU1: using LPI pending table @0x0000041fb81e0000 [ 0.398238] CPU1: Booted secondary processor 0x0000010001 [0x410fd082] [ 0.480668] Detected PIPT I-cache on CPU2 [ 0.480674] GICv3: CPU2: found redistributor 10002 region 0:0x000000004d180000 [ 0.480730] CPU2: using LPI pending table @0x0000041fb81f0000 [ 0.480833] CPU2: Booted secondary processor 0x0000010002 [0x410fd082] [ 0.563294] Detected PIPT I-cache on CPU3 [ 0.563301] GICv3: CPU3: found redistributor 10003 region 0:0x000000004d1c0000 [ 0.563360] CPU3: using LPI pending table @0x0000041fb8200000 [ 0.563466] CPU3: Booted secondary processor 0x0000010003 [0x410fd082] [ 0.645921] Detected PIPT I-cache on CPU4 [ 0.645929] GICv3: CPU4: found redistributor 10100 region 0:0x000000004d200000 [ 0.645988] CPU4: using LPI pending table @0x0000041fb8210000 [ 0.646092] CPU4: Booted secondary processor 0x0000010100 [0x410fd082] [ 0.728547] Detected PIPT I-cache on CPU5 [ 0.728554] GICv3: CPU5: found redistributor 10101 region 0:0x000000004d240000 [ 0.728611] CPU5: using LPI pending table @0x0000041fb8220000 [ 0.728714] CPU5: Booted secondary processor 0x0000010101 [0x410fd082] [ 0.811174] Detected PIPT I-cache on CPU6 [ 0.811181] GICv3: CPU6: found redistributor 10102 region 0:0x000000004d280000 [ 0.811238] CPU6: using LPI pending table @0x0000041fb8230000 [ 0.811342] CPU6: Booted secondary processor 0x0000010102 [0x410fd082] [ 0.893801] Detected PIPT I-cache on CPU7 [ 0.893808] GICv3: CPU7: found redistributor 10103 region 0:0x000000004d2c0000 [ 0.893864] CPU7: using LPI pending table @0x0000041fb8240000 [ 0.893969] CPU7: Booted secondary processor 0x0000010103 [0x410fd082] [ 0.976430] Detected PIPT I-cache on CPU8 [ 0.976438] GICv3: CPU8: found redistributor 10200 region 0:0x000000004d300000 [ 0.976494] CPU8: using LPI pending table @0x0000041fb8250000 [ 0.976599] CPU8: Booted secondary processor 0x0000010200 [0x410fd082] [ 1.059056] Detected PIPT I-cache on CPU9 [ 1.059063] GICv3: CPU9: found redistributor 10201 region 0:0x000000004d340000 [ 1.059118] CPU9: using LPI pending table @0x0000041fb8260000 [ 1.059221] CPU9: Booted secondary processor 0x0000010201 [0x410fd082] [ 1.141682] Detected PIPT I-cache on CPU10 [ 1.141689] GICv3: CPU10: found redistributor 10202 region 0:0x000000004d380000 [ 1.141745] CPU10: using LPI pending table @0x0000041fb8270000 [ 1.141848] CPU10: Booted secondary processor 0x0000010202 [0x410fd082] [ 1.224310] Detected PIPT I-cache on CPU11 [ 1.224317] GICv3: CPU11: found redistributor 10203 region 0:0x000000004d3c0000 [ 1.224375] CPU11: using LPI pending table @0x0000041fb8280000 [ 1.224477] CPU11: Booted secondary processor 0x0000010203 [0x410fd082] [ 1.306938] Detected PIPT I-cache on CPU12 [ 1.306948] GICv3: CPU12: found redistributor 10300 region 0:0x000000004d400000 [ 1.307004] CPU12: using LPI pending table @0x0000041fb8290000 [ 1.307110] CPU12: Booted secondary processor 0x0000010300 [0x410fd082] [ 1.389564] Detected PIPT I-cache on CPU13 [ 1.389571] GICv3: CPU13: found redistributor 10301 region 0:0x000000004d440000 [ 1.389629] CPU13: using LPI pending table @0x0000041fb82a0000 [ 1.389733] CPU13: Booted secondary processor 0x0000010301 [0x410fd082] [ 1.472190] Detected PIPT I-cache on CPU14 [ 1.472198] GICv3: CPU14: found redistributor 10302 region 0:0x000000004d480000 [ 1.472252] CPU14: using LPI pending table @0x0000041fb82b0000 [ 1.472598] CPU14: Booted secondary processor 0x0000010302 [0x410fd082] [ 1. 1.554883] CPU15: using LPI pending table @0x0000041fb82c0000 [ 1.554988] CPU15: Booted secondary processor 0x0000010303 [0x410fd082] [ 1.637107] Detected PIPT I-cache on CPU16 [ 1.637119] GICv3: CPU16: found redistributor 30000 region 1:0x000000006d100000 [ 1.637182] CPU16: using LPI pending table @0x0000041fb82d0000 [ 1.637329] CPU16: Booted secondary processor 0x0000030000 [0x410fd082] [ 1.719738] Detected PIPT I-cache on CPU17 [ 1.719747] GICv3: CPU17: found redistributor 30001 region 1:0x000000006d140000 [ 1.719806] CPU17: using LPI pending table @0x0000041fb82e0000 [ 1.719948] CPU17: Booted secondary processor 0x0000030001 [0x410fd082] [ 1.802371] Detected PIPT I-cache on CPU18 [ 1.802380] GICv3: CPU18: found redistributor 30002 region 1:0x000000006d180000 [ 1.802441] CPU18: using LPI pending table @0x0000041fb82f0000 [ 1.802585] CPU18: Booted secondary processor 0x0000030002 [0x410fd082] [ 1.885004] Detected PIPT I-cache on CPU19 [ 1.885013] GICv3: CPU19: found redistributor 30003 region 1:0x000000006d1c0000 [ 1.885074] CPU19: using LPI pending table @0x0000041fb8300000 [ 1.885215] CPU19: Booted secondary processor 0x0000030003 [0x410fd082] [ 1.967639] Detected PIPT I-cache on CPU20 [ 1.967651] GICv3: CPU20: found redistributor 30100 region 1:0x000000006d200000 [ 1.967713] CPU20: using LPI pending table @0x0000041fb8310000 [ 1.967860] CPU20: Booted secondary processor 0x0000030100 [0x410fd082] [ 2.050270] Detected PIPT I-cache on CPU21 [ 2.050279] GICv3: CPU21: found redistributor 30101 region 1:0x000000006d240000 [ 2.050341] CPU21: using LPI pending table @0x0000041fb8320000 [ 2.050483] CPU21: Booted secondary processor 0x0000030101 [0x410fd082] [ 2.132903] Detected PIPT I-cache on CPU22 [ 2.132913] GICv3: CPU22: found redistributor 30102 region 1:0x000000006d280000 [ 2.132973] CPU22: using LPI pending table @0x0000041fb8330000 [ 2.133115] CPU22: Booted secondary processor 0x0000030102 [0x410fd082] [ 2.215536] Detected PIPT I-cache on CPU23 [ 2.215546] GICv3: CPU23: found redistributor 30103 region 1:0x000000006d2c0000 [ 2.215606] CPU23: using LPI pending table @0x0000041fb8340000 [ 2.215749] CPU23: Booted secondary processor 0x0000030103 [0x410fd082] [ 2.298171] Detected PIPT I-cache on CPU24 [ 2.298184] GICv3: CPU24: found redistributor 30200 region 1:0x000000006d300000 [ 2.298248] CPU24: using LPI pending table @0x0000041fb8350000 [ 2.298394] CPU24: Booted secondary processor 0x0000030200 [0x410fd082] [ 2.380801] Detected PIPT I-cache on CPU25 [ 2.380811] GICv3: CPU25: found redistributor 30201 region 1:0x000000006d340000 [ 2.380872] CPU25: using LPI pending table @0x0000041fb8360000 [ 2.381013] CPU25: Booted secondary processor 0x0000030201 [0x410fd082] [ 2.463433] Detected PIPT I-cache on CPU26 [ 2.463443] GICv3: CPU26: found redistributor 30202 region 1:0x000000006d380000 [ 2.463504] CPU26: using LPI pending table @0x0000041fb8370000 [ 2.463646] CPU26: Booted secondary processor 0x0000030202 [0x410fd082] [ 2.546066] Detected PIPT I-cache on CPU27 [ 2.546076] GICv3: CPU27: found redistributor 30203 region 1:0x000000006d3c0000 [ 2.546139] CPU27: using LPI pending table @0x0000041fb8380000 [ 2.546282] CPU27: Booted secondary processor 0x0000030203 [0x410fd082] [ 2.628701] Detected PIPT I-cache on CPU28 [ 2.628713] GICv3: CPU28: found redistributor 30300 region 1:0x000000006d400000 [ 2.628775] CPU28: using LPI pending table @0x0000041fb8390000 [ 2.628921] CPU28: Booted secondary processor 0x0000030300 [0x410fd082] [ 2.711331] Detected PIPT I-cache on CPU29 [ 2.711342] GICv3: CPU29: found redistributor 30301 region 1:0x000000006d440000 [ 2.711403] CPU29: using LPI pending table @0x0000041fb83a0000 [ 2.711545] CPU29: Booted secondary processor 0x0000030301 [0x410fd082] [ 2.793969] Detected PIPT I-cache on CPU30 [ 2.793979] GICv3: CPU30: found redistributor 30302 region 1:0x000000006d480000 [ 2.794040] CPU30: using LPI pending table @0x0000041fb83b0000 [ 2.794184] CPU30: Booted secondary processor 0x0000030302 [0x410fd082] [ 2.876604] Detected PIPT I-cache on CPU31 [ 2.876615] GICv3: CPU31: found redistributor 30303 region 1:0x000000006d4c0000 [ 2.876677] CPU31: using LPI pending table @0x0000041fb83c0000 [ 2.876818] CPU31: Booted secondary processor 0x0000030303 [0x410fd082] [ 2.958920] Detected PIPT I-cache on CPU32 [ 2.958961] GICv3: CPU32: found redistributor 50000 region 2:0x000004004d100000 [ 2.958994] CPU32: using LPI pending table @0x0000041fb83e0000 [ 2.959149] CPU32: Booted secondary processor 0x0000050000 [0x410fd082] [ 3.041547] Detected PIPT I-cache on CPU33 [ 3.041572] GICv3: CPU33: found redistributor 50001 region 2:0x000004004d140000 [ 3.041597] CPU33: using LPI pending table @0x0000041fb83f0000 [ 3.041703] CPU33: Booted secondary processor 0x0000050001 [0x410fd082] [ 3.124194] Detected PIPT I-cache on CPU34 [ 3.124218] GICv3: CPU34: found redistributor 50002 region 2:0x000004004d180000 [ 3.124244] CPU34: using LPI pending table @0x0000041fb7850000 [ 3.124351] CPU34: Booted secondary processor 0x0000050002 [0x410fd082] [ 3.206841] Detected PIPT I-cache on CPU35 [ 3.206866] GICv3: CPU35: found redistributor 50003 region 2:0x000004004d1c0000 [ 3.206892] CPU35: using LPI pending table @0x0000041fb7860000 [ 3.206998] CPU35: Booted secondary processor 0x0000050003 [0x410fd082] [ 3.289488] Detected PIPT I-cache on CPU36 [ 3.289514] GICv3: CPU36: found redistributor 50100 region 2:0x000004004d200000 [ 3.289540] CPU36: using LPI pending table @0x0000041fb7870000 [ 3.289649] CPU36: Booted secondary processor 0x0000050100 [0x410fd082] [ 3.372137] Detected PIPT I-cache on CPU37 [ 3.372162] GICv3: CPU37: found redistributor 50101 region 2:0x000004004d240000 [ 3.372188] CPU37: using LPI pending table @0x0000041fb78d0000 [ 3.372294] CPU37: Booted secondary processor 0x0000050101 [0x410fd082] [ 3.454782] Detected PIPT I-cache on CPU38 [ 3.454808] GICv3: CPU38: found redistributor 50102 region 2:0x000004004d280000 [ 3.454833] CPU38: using LPI pending table @0x0000041fb78e0000 [ 3.454940] CPU38: Booted secondary processor 0x0000050102 [0x410fd082] [ 3.537432] Detected PIPT I-cache on CPU39 [ 3.537457] GICv3: CPU39: found redistributor 50103 region 2:0x000004004d2c0000 [ 3.537483] CPU39: using LPI pending table @0x0000041fb78f0000 [ 3.537589] CPU39: Booted secondary processor 0x0000050103 [0x410fd082] [ 3.620080] Detected PIPT I-cache on CPU40 [ 3.620106] GICv3: CPU40: found redistributor 50200 region 2:0x000004004d300000 [ 3.620134] CPU40: using LPI pending table @0x0000041fb7940000 [ 3.620244] CPU40: Booted secondary processor 0x0000050200 [0x410fd082] [ 3.702727] Detected PIPT I-cache on CPU41 [ 3.702752] GICv3: CPU41: found redistributor 50201 region 2:0x000004004d340000 [ 3.702778] CPU41: using LPI pending table @0x0000041fb7950000 [ 3.702885] CPU41: Booted secondary processor 0x0000050201 [0x410fd082] [ 3.785375] Detected PIPT I-cache on CPU42 [ 3.785400] GICv3: CPU42: found redistributor 50202 region 2:0x000004004d380000 [ 3.785427] CPU42: using LPI pending table @0x0000041fb7960000 [ 3.785534] CPU42: Booted secondary processor 0x0000050202 [0x410fd082] [ 3.868026] Detected PIPT I-cache on CPU43 [ 3.868052] GICv3: CPU43: found redistributor 50203 region 2:0x000004004d3c0000 [ 3.868080] CPU43: using LPI pending table @0x0000041fb79c0000 [ 3.868187] CPU43: Booted secondary processor 0x0000050203 [0x410fd082] [ 3.950673] Detected PIPT I-cache on CPU44 [ 3.950700] GICv3: CPU44: found redistributor 50300 region 2:0x000004004d400000 [ 3.950728] CPU44: using LPI pending table @0x0000041fb79d0000 [ 3.950837] CPU44: Booted secondary processor 0x0000050300 [0x410fd082] [ 4.033322] Detected PIPT I-cache on CPU45 [ 4.033348] GICv3: CPU45: found redistributor 50301 region 2:0x000004004d440000 [ 4.033374] CPU45: using LPI pending table @0x0000041fb79e0000 [ 4.033480] CPU45: Booted secondary processor 0x0000050301 [0x410fd082] [ 4.115970] Detected PIPT I-cache on CPU46 [ 4.115996] GICv3: CPU46: found redistributor 50302 region 2:0x000004004d480000 [ 4.116023] CPU46: using LPI pending table @0x0000041fb7a40000 [ 4.116131] CPU46: Booted secondary processor 0x0000050302 [0x410fd082] [ 4.198621] Detected PIPT I-cache on CPU47 [ 4.198647] GICv3: CPU47: found redistributor 50303 region 2:0x000004004d4c0000 [ 4.198674] CPU47: using LPI pending table @0x0000041fb7a50000 [ 4.198779] CPU47: Booted secondary processor 0x0000050303 [0x410fd082] [ 4.280925] Detected PIPT I-cache on CPU48 [ 4.280958] GICv3: CPU48: found redistributor 70000 region 3:0x000004006d100000 [ 4.280996] CPU48: using LPI pending table @0x0000041fb7a60000 [ 4.281148] CPU48: Booted secondary processor 0x0000070000 [0x410fd082] [ 4.363577] Detected PIPT I-cache on CPU49 [ 4.363606] GICv3: CPU49: found redistributor 70001 region 3:0x000004006d140000 [ 4.363643] CPU49: using LPI pending table @0x0000041fb7ae0000 [ 4.363788] CPU49: Booted secondary processor 0x0000070001 [0x410fd082] [ 4.446225] Detected PIPT I-cache on CPU50 [ 4.446254] GICv3: CPU50: found redistributor 70002 region 3:0x000004006d180000 [ 4.446291] CPU50: using LPI pending table @0x0000041fb7af0000 [ 4.446438] CPU50: Booted secondary processor 0x0000070002 [0x410fd082] [ 4.528875] Detected PIPT I-cache on CPU51 [ 4.528904] GICv3: CPU51: found redistributor 70003 region 3:0x000004006d1c0000 [ 4.528942] CPU51: using LPI pending table @0x0000041fb7b00000 [ 4.529089] CPU51: Booted secondary processor 0x0000070003 [0x410fd082] [ 4.611527] Detected PIPT I-cache on CPU52 [ 4.611559] GICv3: CPU52: found redistributor 70100 region 3:0x000004006d200000 [ 4.611598] CPU52: using LPI pending table @0x0000041fb7b10000 [ 4.611750] CPU52: Booted secondary processor 0x0000070100 [0x410fd082] [ 4.694176] Detected PIPT I-cache on CPU53 [ 4.694205] GICv3: CPU53: found redistributor 70101 region 3:0x000004006d240000 [ 4.694242] CPU53: using LPI pending table @0x0000041fb7b20000 [ 4.694389] CPU53: Booted secondary processor 0x0000070101 [0x410fd082] [ 4.776826] Detected PIPT I-cache on CPU54 [ 4.776855] GICv3: CPU54: found redistributor 70102 region 3:0x000004006d280000 [ 4.776892] CPU54: using LPI pending table @0x0000041fb7b30000 [ 4.777039] CPU54: Booted secondary processor 0x0000070102 [0x410fd082] [ 4.859476] Detected PIPT I-cache on CPU55 [ 4.859505] GICv3: CPU55: found redistributor 70103 region 3:0x000004006d2c0000 [ 4.859543] CPU55: using LPI pending table @0x0000041fb7b40000 [ 4.859689] CPU55: Booted secondary processor 0x0000070103 [0x410fd082] [ 4.942127] Detected PIPT I-cache on CPU56 [ 4.942160] GICv3: CPU56: found redistributor 70200 region 3:0x000004006d300000 [ 4.942197] CPU56: using LPI pending table @0x0000041fb7b50000 [ 4.942352] CPU56: Booted secondary processor 0x0000070200 [0x410fd082] [ 5.024775] Detected PIPT I-cache on CPU57 [ 5.024804] GICv3: CPU57: found redistributor 70201 region 3:0x000004006d340000 [ 5.024841] CPU57: using LPI pending table @0x0000041fb7b60000 [ 5.024988] CPU57: Booted secondary processor 0x0000070201 [0x410fd082] [ 5.107423] Detected PIPT I-cache on CPU58 [ 5.107453] GICv3: CPU58: found redistributor 70202 region 3:0x000004006d380000 [ 5.107489] CPU58: using LPI pending table @0x0000041fb7b70000 [ 5.107635] CPU58: Booted secondary processor 0x0000070202 [0x410fd082] [ 5.190075] Detected PIPT I-cache on CPU59 [ 5.190105] GICv3: CPU59: found redistributor 70203 region 3:0x000004006d3c0000 [ 5.190143] CPU59: using LPI pending table @0x0000041fb7b80000 [ 5.190289] CPU59: Booted secondary processor 0x0000070203 [0x410fd082] [ 5.272725] Detected PIPT I-cache on CPU60 [ 5.272758] GICv3: CPU60: found redistributor 70300 region 3:0x000004006d400000 [ 5.272795] CPU60: using LPI pending table @0x0000041fb7b90000 [ 5.272950] CPU60: Booted secondary processor 0x0000070300 [0x410fd082] [ 5.355374] Detected PIPT I-cache on CPU61 [ 5.355403] GICv3: CPU61: found redistributor 70301 region 3:0x000004006d440000 [ 5.355441] CPU61: using LPI pending table @0x0000041fb7ba0000 [ 5.355587] CPU61: Booted secondary processor 0x0000070301 [0x410fd082] [ 5.438022] Detected PIPT I-cache on CPU62 [ 5.438052] GICv3: CPU62: found redistributor 70302 region 3:0x000004006d480000 [ 5.438089] CPU62: using LPI pending table @0x0000041fb7bb0000 [ 5.438235] CPU62: Booted secondary processor 0x0000070302 [0x410fd082] [ 5.520675] Detected PIPT I-cache on CPU63 [ 5.520705] GICv3: CPU63: found redistributor 70303 region 3:0x000004006d4c0000 [ 5.520743] CPU63: using LPI pending table @0x0000041fb7bc0000 [ 5.520888] CPU63: Booted secondary processor 0x0000070303 [0x410fd082] [ 5.520975] smp: Brought up 4 nodes, 64 CPUs [ 7.042259] SMP: Total of 64 processors activated. [ 7.047105] CPU features: detected: GIC system register CPU interface [ 7.053625] CPU features: detected: 32-bit EL0 Support [ 7.145591] CPU: All CPU(s) started at EL2 [ 7.149856] alternatives: patching kernel code [ 7.154740] ERROR: Node-distance not symmetric [ 7.154740] [ 7.160724] 10 15 20 25 [ 7.163456] 15 10 25 30 [ 7.166190] 20 25 10 15 [ 7.168921] 10 10 15 10 [ 7.171655] [ 7.175589] ERROR: groups don't span domain->span [ 7.180352] ERROR: groups don't span domain->span [ 7.185164] ERROR: groups don't span domain->span [ 7.189926] ERROR: groups don't span domain->span [ 7.194734] ERROR: groups don't span domain->span [ 7.199495] ERROR: groups don't span domain->span [ 7.204303] ERROR: groups don't span domain->span [ 7.209064] ERROR: groups don't span domain->span [ 7.213872] ERROR: groups don't span domain->span [ 7.218632] ERROR: groups don't span domain->span [ 7.223440] ERROR: groups don't span domain->span [ 7.228201] ERROR: groups don't span domain->span [ 7.233009] ERROR: groups don't span domain->span [ 7.237770] ERROR: groups don't span domain->span [ 7.242577] ERROR: groups don't span domain->span [ 7.247337] ERROR: groups don't span domain->span [ 7.252144] ERROR: groups don't span domain->span [ 7.256905] ERROR: groups don't span domain->span [ 7.261714] ERROR: groups don't span domain->span [ 7.266474] ERROR: groups don't span domain->span [ 7.271282] ERROR: groups don't span domain->span [ 7.276042] ERROR: groups don't span domain->span [ 7.280851] ERROR: groups don't span domain->span [ 7.285611] ERROR: groups don't span domain->span [ 7.290420] ERROR: groups don't span domain->span [ 7.295180] ERROR: groups don't span domain->span [ 7.299988] ERROR: groups don't span domain->span [ 7.304748] ERROR: groups don't span domain->span [ 7.309555] ERROR: groups don't span domain->span [ 7.314315] ERROR: groups don't span domain->span [ 7.319122] ERROR: groups don't span domain->span [ 7.323883] ERROR: groups don't span domain->span [ 7.328642] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000 [ 7.337525] Mem abort info: [ 7.340339] ESR = 0x96000004 [ 7.343421] Exception class = DABT (current EL), IL = 32 bits [ 7.349403] SET = 0, FnV = 0 [ 7.352482] EA = 0, S1PTW = 0 [ 7.355651] Data abort info: [ 7.358554] ISV = 0, ISS = 0x00000004 [ 7.362427] CM = 0, WnR = 0 [ 7.365418] [0000000000000000] user address but active_mm is swapper [ 7.371840] Internal error: Oops: 96000004 [#1] PREEMPT SMP [ 7.377468] Modules linked in: [ 7.380550] CPU: 0 PID: 1 Comm: swapper/0 Tainted: G W 4.19.0-rc6-00002-gea67197-dirty #877 [ 7.390308] Hardware name: Hisilicon Hip07 D05 Development Board (DT) [ 7.396815] pstate: 20000005 (nzCv daif -PAN -UAO) [ 7.401659] pc : __ll_sc_atomic_sub_return+0x4/0x20 [ 7.406585] lr : free_sched_groups.part.1+0x40/0x98 [ 7.411509] sp : ffff00000947bc40 [ 7.414851] x29: ffff00000947bc40 x28: ffff801fb4eae000 [ 7.420216] x27: 0000000000000010 x26: ffff000009119000 [ 7.425581] x25: 0000000000000010 x24: ffff801fb4e30000 [ 7.430946] x23: ffffffffffffe830 x22: 0000000000000001 [ 7.436311] x21: ffff801fb4e83000 x20: ffff801fb4eddf00 [ 7.441675] x19: ffff801fb4eddf80 x18: ffffffffffffffff [ 7.447040] x17: 00000000ffffffff x16: 0000000000000000 [ 7.452405] x15: ffff0000091196c8 x14: ffff0000892746ef [ 7.457770] x13: ffff0000092746fd x12: ffff000009119940 [ 7.463134] x11: ffff801fb62258b8 x10: 0000000000000001 [ 7.468499] x9 : ffff801fb49e4100 x8 : 000000000000000f [ 7.473865] x7 : ffff801fb4d25700 x6 : 0000801ff2eea000 [ 7.479229] x5 : ffff0000091196f0 x4 : 0000000000000400 [ 7.484594] x3 : ffff801fb4edd000 x2 : ffff801fb4e83000 [ 7.489959] x1 : 0000000000000000 x0 : 0000000000000001 [ 7.495325] Process swapper/0 (pid: 1, stack limit = 0x(____ptrval____)) [ 7.502094] Call trace: [ 7.504559] __ll_sc_atomic_sub_return+0x4/0x20 [ 7.509133] destroy_sched_domain+0x20/0x70 [ 7.513354] cpu_attach_domain+0xd8/0x688 [ 7.517401] build_sched_domains+0xd60/0xe38 [ 7.521709] sched_init_domains+0x6c/0x98 [ 7.525757] sched_init_smp+0x2c/0x7c [ 7.529452] kernel_init_freeable+0xdc/0x244 [ 7.533762] kernel_init+0x10/0x108 [ 7.537281] ret_from_fork+0x10/0x18 [ 7.540888] Code: 88107c31 35ffffb0 d65f03c0 f9800031 (885f7c31) [ 7.547113] ---[ end trace 137e0781b6e939ab ]--- [ 7.551789] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 7.551789] [ 7.561033] SMP: stopping secondary CPUs [ 7.565010] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b [ 7.565010] ]--- I also note that if I apply the patch, below, to reject the invalid NUMA distance, we're still getting a warning/error: [ 7.144407] CPU: All CPU(s) started at EL2 [ 7.148678] alternatives: patching kernel code [ 7.153557] ERROR: Node-0 not representative [ 7.153557] [ 7.159365] 10 15 20 25 [ 7.162097] 15 10 25 30 [ 7.164832] 20 25 10 15 [ 7.167562] 25 30 15 10 [ 7.170296] [ 7.175103] ERROR: groups don't span domain->span [ 7.179929] ERROR: groups don't span domain->span [ 7.184751] ERROR: groups don't span domain->span [ 7.189572] ERROR: groups don't span domain->span [ 7.194392] ERROR: groups don't span domain->span [ 7.199212] ERROR: groups don't span domain->span [ 7.204032] ERROR: groups don't span domain->span [ 7.208851] ERROR: groups don't span domain->span [ 7.213672] ERROR: groups don't span domain->span [ 7.218492] ERROR: groups don't span domain->span [ 7.223313] ERROR: groups don't span domain->span [ 7.228133] ERROR: groups don't span domain->span [ 7.232952] ERROR: groups don't span domain->span [ 7.237773] ERROR: groups don't span domain->span [ 7.242591] ERROR: groups don't span domain->span [ 7.247412] ERROR: groups don't span domain->span [ 7.252238] ERROR: groups don't span domain->span [ 7.257063] ERROR: groups don't span domain->span [ 7.261888] ERROR: groups don't span domain->span [ 7.266712] ERROR: groups don't span domain->span [ 7.271536] ERROR: groups don't span domain->span [ 7.276361] ERROR: groups don't span domain->span [ 7.281185] ERROR: groups don't span domain->span [ 7.286010] ERROR: groups don't span domain->span [ 7.290835] ERROR: groups don't span domain->span [ 7.295659] ERROR: groups don't span domain->span [ 7.300483] ERROR: groups don't span domain->span [ 7.305307] ERROR: groups don't span domain->span [ 7.310132] ERROR: groups don't span domain->span [ 7.314957] ERROR: groups don't span domain->span [ 7.319782] ERROR: groups don't span domain->span [ 7.324609] ERROR: groups don't span domain->span [ 7.329432] ERROR: groups don't span domain->span [ 7.334254] ERROR: groups don't span domain->span [ 7.339080] ERROR: groups don't span domain->span [ 7.343903] ERROR: groups don't span domain->span [ 7.348725] ERROR: groups don't span domain->span [ 7.353547] ERROR: groups don't span domain->span [ 7.358368] ERROR: groups don't span domain->span [ 7.363191] ERROR: groups don't span domain->span [ 7.368012] ERROR: groups don't span domain->span [ 7.372835] ERROR: groups don't span domain->span [ 7.377658] ERROR: groups don't span domain->span [ 7.382480] ERROR: groups don't span domain->span [ 7.387303] ERROR: groups don't span domain->span [ 7.392124] ERROR: groups don't span domain->span [ 7.396949] ERROR: groups don't span domain->span [ 7.401771] ERROR: groups don't span domain->span [ 7.406601] ERROR: groups don't span domain->span [ 7.411428] ERROR: groups don't span domain->span [ 7.416256] ERROR: groups don't span domain->span [ 7.421086] ERROR: groups don't span domain->span [ 7.425913] ERROR: groups don't span domain->span [ 7.430740] ERROR: groups don't span domain->span [ 7.435566] ERROR: groups don't span domain->span [ 7.440393] ERROR: groups don't span domain->span [ 7.445220] ERROR: groups don't span domain->span [ 7.450047] ERROR: groups don't span domain->span [ 7.454877] ERROR: groups don't span domain->span [ 7.459705] ERROR: groups don't span domain->span [ 7.464533] ERROR: groups don't span domain->span [ 7.469361] ERROR: groups don't span domain->span [ 7.474189] ERROR: groups don't span domain->span [ 7.479016] ERROR: groups don't span domain->span [ 7.483786] root domain span: 0-63 (max cpu_capacity = 1024) [ 7.504868] devtmpfs: initialized [ 7.510342] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 7645041785100000 ns John > >>> However I am interested to know if the scheduler crash is a real >>> problem. >> >> Ideally we'd not crash of course.. let me see if I can still make sense >> of that topology code. > > JFYI, https://lkml.org/lkml/2018/10/26/527 > > So it seems to be that setting the distance between separate nodes to > LOCAL_DISTANCE causes the problem. x86 NUMA code - like arm64 - allows > this. However ACPI SLIT validation rejects this, unlike OF distance map > parsing. > > Thanks, > John > > _______________________________________________ > Linuxarm mailing list > Linuxarm@huawei.com > http://hulk.huawei.com/mailman/listinfo/linuxarm > > . >