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SubjectRe: [PATCH 1/2] arm64: avoid alloc memory on offline node
From
Date
Hi Punit,


On 2018/6/14 1:39, Punit Agrawal wrote:
> Punit Agrawal <punit.agrawal@arm.com> writes:
>
>
> [...]
>
>>
>> CONFIG_HAVE_MEMORYLESS node is not enabled on arm64 which means we end
>> up returning the original node in the fallback path.
>>
>> Xie, does the below patch help? I can submit a proper patch if this
>> fixes the issue for you.
>>
>> -- >8 --
>> Subject: [PATCH] arm64/numa: Enable memoryless numa nodes
>>
>> Signed-off-by: Punit Agrawal <punit.agrawal@arm.com>
>> ---
>> arch/arm64/Kconfig | 4 ++++
>> arch/arm64/mm/numa.c | 2 ++
>> 2 files changed, 6 insertions(+)
>>
>> diff --git a/arch/arm64/Kconfig b/arch/arm64/Kconfig
>> index eb2cf4938f6d..5317e9aa93ab 100644
>> --- a/arch/arm64/Kconfig
>> +++ b/arch/arm64/Kconfig
>> @@ -756,6 +756,10 @@ config USE_PERCPU_NUMA_NODE_ID
>> def_bool y
>> depends on NUMA
>>
>> +config HAVE_MEMORYLESS_NODES
>> + def_bool y
>> + depends on NUMA
>> +
>> config HAVE_SETUP_PER_CPU_AREA
>> def_bool y
>> depends on NUMA
>> diff --git a/arch/arm64/mm/numa.c b/arch/arm64/mm/numa.c
>> index dad128ba98bf..c699dcfe93de 100644
>> --- a/arch/arm64/mm/numa.c
>> +++ b/arch/arm64/mm/numa.c
>> @@ -73,6 +73,8 @@ EXPORT_SYMBOL(cpumask_of_node);
>> static void map_cpu_to_node(unsigned int cpu, int nid)
>> {
>> set_cpu_numa_node(cpu, nid);
>> + set_numa_mem(local_memory_node(nid));
>
> Argh, this should be
>
> set_cpu_numa_mem(cpu, local_memory_node(nid));
>
> There is not guarantee that map_cpu_to_node() will be called on the
> local cpu.
>
> Hanjun, Xie - can you try with the update please?

I've tested this patch, but it does not help.
The boot message is attached.

I tested on a arm board with 128 cores 4 numa nodes, but I set CONFIG_NR_CPUS=72.
Then node 3 is not be created, because node 3 has no memory, and no cpu.
But some pci device may related to node 3, which be set in ACPI table.

165 /* Interface called from ACPI code to setup PCI host controller */
166 struct pci_bus *pci_acpi_scan_root(struct acpi_pci_root *root)
167 {
168 int node = acpi_get_node(root->device->handle);
169 struct acpi_pci_generic_root_info *ri;
170 struct pci_bus *bus, *child;
171 struct acpi_pci_root_ops *root_ops;
172
// this node may be not created.
177 ri = kzalloc_node(sizeof(*ri), GFP_KERNEL, node);
178 if (!ri)
179 return NULL;
180
181 root_ops = kzalloc_node(sizeof(*root_ops), GFP_KERNEL, node);
182 if (!root_ops) {
183 kfree(ri);
184 return NULL;
185 }
186
187 ri->cfg = pci_acpi_setup_ecam_mapping(root);
188 if (!ri->cfg) {
189 kfree(ri);
190 kfree(root_ops);
191 return NULL;
192 }


>
> Thanks,
> Punit
>
>> +
>> if (nid >= 0)
>> cpumask_set_cpu(cpu, node_to_cpumask_map[nid]);
>> }
>
> .
>

--
Thanks,
Xie XiuQi
[ 0.000000] Booting Linux on physical CPU 0x0000030000 [0x480fd010]
[ 0.000000] Linux version 4.16.0-rc1-00491-g204a6cc-dirty (xiexiuqi@localhost.localdomain) (gcc version 6.3.1 20170404 (Linaro GCC 6.3-2017.05)) #17 SMP PREEMPT Tue Jun 19 16:33:32 CST 2018
[ 0.000000] earlycon: pl11 at MMIO32 0x0000000094080000 (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 3.0=0x3eb60000 ACPI 2.0=0x39710000 MEMATTR=0x3b106418
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x0000000039710000 000024 (v02 HISI )
[ 0.000000] ACPI: XSDT 0x0000000039700000 000074 (v01 HISI HIP08 00000000 01000013)
[ 0.000000] ACPI: FACP 0x0000000039630000 000114 (v06 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: DSDT 0x00000000395C0000 006A1A (v02 HISI HIP08 00000000 INTL 20170929)
[ 0.000000] ACPI: GTDT 0x0000000039620000 000060 (v02 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: DBG2 0x0000000039610000 00005A (v00 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: MCFG 0x0000000039600000 00003C (v01 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: SLIT 0x00000000395F0000 00003C (v01 HISI HIP07 00000000 INTL 20151124)
[ 0.000000] ACPI: SRAT 0x00000000395E0000 0009C0 (v03 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: APIC 0x00000000395D0000 00286C (v04 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: IORT 0x00000000395B0000 00110C (v00 HISI HIP08 00000000 INTL 20170929)
[ 0.000000] ACPI: PPTT 0x00000000311F0000 0037D0 (v01 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: SPMI 0x00000000311E0000 000041 (v05 HISI HIP08 00000000 INTL 20151124)
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30000 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30001 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30002 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30003 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30100 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30101 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30102 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30103 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30200 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30201 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30202 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30203 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30300 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30301 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30302 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30303 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30400 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30401 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30402 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30403 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30500 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30501 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30502 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30503 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30600 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30601 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30602 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30603 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30700 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30701 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30702 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 0 -> MPIDR 0x30703 -> Node 0
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10000 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10001 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10002 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10003 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10100 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10101 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10102 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10103 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10200 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10201 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10202 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10203 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10300 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10301 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10302 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10303 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10400 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10401 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10402 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10403 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10500 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10501 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10502 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10503 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10600 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10601 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10602 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10603 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10700 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10701 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10702 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 1 -> MPIDR 0x10703 -> Node 1
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70000 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70001 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70002 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70003 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70100 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70101 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70102 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: PXM 2 -> MPIDR 0x70103 -> Node 2
[ 0.000000] ACPI: NUMA: SRAT: cpu_to_node_map[72] is too small, may not be able to use all cpus
[ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x2080000000-0x23ffffffff]
[ 0.000000] ACPI: SRAT: Node 0 PXM 0 [mem 0x00000000-0x7fffffff]
[ 0.000000] ACPI: SRAT: Node 2 PXM 2 [mem 0x402000000000-0x4023ffffffff]
[ 0.000000] NUMA: NODE_DATA [mem 0x23ffffe780-0x23ffffffff]
[ 0.000000] NUMA: Initmem setup node 1 [<memory-less node>]
[ 0.000000] NUMA: NODE_DATA [mem 0x4023fffed780-0x4023fffeefff]
[ 0.000000] NUMA: NODE_DATA(1) on node 2
[ 0.000000] NUMA: NODE_DATA [mem 0x4023fffebf00-0x4023fffed77f]
[ 0.000000] Zone ranges:
[ 0.000000] DMA32 [mem 0x0000000000000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x00004023ffffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000000000-0x000000003942ffff]
[ 0.000000] node 0: [mem 0x0000000039430000-0x000000003956ffff]
[ 0.000000] node 0: [mem 0x0000000039570000-0x000000003963ffff]
[ 0.000000] node 0: [mem 0x0000000039640000-0x00000000396fffff]
[ 0.000000] node 0: [mem 0x0000000039700000-0x000000003971ffff]
[ 0.000000] node 0: [mem 0x0000000039720000-0x0000000039b6ffff]
[ 0.000000] node 0: [mem 0x0000000039b70000-0x000000003eb5ffff]
[ 0.000000] node 0: [mem 0x000000003eb60000-0x000000003eb8ffff]
[ 0.000000] node 0: [mem 0x000000003eb90000-0x000000003fbfffff]
[ 0.000000] node 0: [mem 0x0000002080000000-0x00000023ffffffff]
[ 0.000000] node 2: [mem 0x0000402000000000-0x00004023ffffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000000000-0x00000023ffffffff]
[ 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 0x0000402000000000-0x00004023ffffffff]
[ 0.000000] psci: probing for conduit method from ACPI.
[ 0.000000] psci: PSCIv1.0 detected in firmware.
[ 0.000000] psci: Using standard PSCI v0.2 function IDs
[ 0.000000] psci: MIGRATE_INFO_TYPE not supported.
[ 0.000000] psci: SMC Calling Convention v1.0
[ 0.000000] random: fast init done
[ 0.000000] percpu: Embedded 24 pages/cpu @ (ptrval) s59432 r8192 d30680 u98304
[ 0.000000] Detected VIPT I-cache on CPU0
[ 0.000000] Built 3 zonelists, mobility grouping on. Total pages: 7998480
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: earlycon=pl011,mmio32,0x94080000 console=ttyAMA0,115200 initrd=minifs.cpio.gz acpi=force
[ 0.000000] log_buf_len individual max cpu contribution: 4096 bytes
[ 0.000000] log_buf_len total cpu_extra contributions: 290816 bytes
...
[ 0.141182] Platform MSI: ITS@0x400202100000 domain created
[ 0.146793] PCI/MSI: ITS@0x202100000 domain created
[ 0.151690] PCI/MSI: ITS@0x400202100000 domain created
[ 0.156906] Remapping and enabling EFI services.
[ 0.161562] EFI remap 0x0000000039430000 => (ptrval)
[ 0.167431] EFI remap 0x0000000039480000 => (ptrval)
[ 0.173299] EFI remap 0x00000000394d0000 => (ptrval)
[ 0.179167] EFI remap 0x0000000039520000 => (ptrval)
[ 0.185037] EFI remap 0x0000000039650000 => (ptrval)
[ 0.190905] EFI remap 0x00000000396b0000 => (ptrval)
[ 0.196773] EFI remap 0x0000000039720000 => (ptrval)
[ 0.202639] EFI remap 0x0000000039770000 => (ptrval)
[ 0.208505] EFI remap 0x00000000397c0000 => (ptrval)
[ 0.214371] EFI remap 0x0000000039810000 => (ptrval)
[ 0.220236] EFI remap 0x0000000039860000 => (ptrval)
[ 0.226103] EFI remap 0x00000000398b0000 => (ptrval)
[ 0.231973] EFI remap 0x0000000039900000 => (ptrval)
[ 0.237840] EFI remap 0x0000000039970000 => (ptrval)
[ 0.243710] EFI remap 0x00000000399c0000 => (ptrval)
[ 0.249577] EFI remap 0x0000000039a10000 => (ptrval)
[ 0.255445] EFI remap 0x0000000039a60000 => (ptrval)
[ 0.261313] EFI remap 0x0000000039ab0000 => (ptrval)
[ 0.267184] EFI remap 0x0000000039b00000 => (ptrval)
[ 0.273047] EFI remap 0x000000003eb60000 => (ptrval)
[ 0.278907] EFI remap 0x0000000080000000 => (ptrval)
[ 0.284766] EFI remap 0x0000000202020000 => (ptrval)
[ 0.290626] EFI remap 0x0000000204000000 => (ptrval)
[ 0.296487] EFI remap 0x0000000206200000 => (ptrval)
[ 0.318359] smp: Bringing up secondary CPUs ...
[ 0.422473] Detected VIPT I-cache on CPU1
[ 0.422481] GICv3: CPU1: found redistributor 30001 region 1:0x00000000aa140000
[ 0.422502] CPU1: using LPI pending table @0x00000023ee480000
[ 0.422543] CPU1: Booted secondary processor 0x0000030001 [0x480fd010]
[ 0.522109] Detected VIPT I-cache on CPU2
[ 0.522115] GICv3: CPU2: found redistributor 30002 region 2:0x00000000aa180000
[ 0.522135] CPU2: using LPI pending table @0x00000023ee4b0000
[ 0.522175] CPU2: Booted secondary processor 0x0000030002 [0x480fd010]
[ 0.621751] Detected VIPT I-cache on CPU3
...
[ 7.328992] CPU70: Booted secondary processor 0x0000070102 [0x480fd010]
[ 7.435880] Detected VIPT I-cache on CPU71
[ 7.435931] GICv3: CPU71: found redistributor 70103 region 71:0x00004000aa2c0000
[ 7.435958] CPU71: using LPI pending table @0x00000023ed340000
[ 7.436037] CPU71: Booted secondary processor 0x0000070103 [0x480fd010]
[ 7.436131] smp: Brought up 3 nodes, 72 CPUs
[ 9.146250] SMP: Total of 72 processors activated.
[ 9.151067] CPU features: detected feature: GIC system register CPU interface
[ 9.158247] CPU features: detected feature: Privileged Access Never
...
[ 11.535050] pci 0000:74:02.0: BAR 5: assigned [mem 0xa2000000-0xa2007fff]
[ 11.541829] pci 0000:74:03.0: BAR 5: assigned [mem 0xa2008000-0xa2008fff]
[ 11.548610] pci 0000:75:00.0: BAR 2: assigned [mem 0x144000000-0x1443fffff 64bit pref]
[ 11.556518] pci 0000:75:00.0: BAR 9: assigned [mem 0x144400000-0x1447effff 64bit pref]
[ 11.564426] pci 0000:74:00.0: PCI bridge to [bus 75]
[ 11.569382] pci 0000:74:00.0: bridge window [mem 0x144000000-0x1447fffff 64bit pref]
[ 11.577332] ACPI: PCI Root Bridge [PCI6] (domain 0000 [bus 80-9f])
[ 11.583505] acpi PNP0A08:06: _OSC: OS supports [ExtendedConfig ASPM ClockPM Segments MSI]
[ 11.591850] acpi PNP0A08:06: _OSC: OS now controls [PCIeHotplug PME AER PCIeCapability]
[ 11.599851] CPU002: pci_acpi_scan_root: 175 node 3, online 0
[ 11.605503] Unable to handle kernel paging request at virtual address 00001530
[ 11.612712] Mem abort info:
[ 11.615492] ESR = 0x96000004
[ 11.618534] Exception class = DABT (current EL), IL = 32 bits
[ 11.624440] SET = 0, FnV = 0
[ 11.627481] EA = 0, S1PTW = 0
[ 11.630608] Data abort info:
[ 11.633476] ISV = 0, ISS = 0x00000004
[ 11.637299] CM = 0, WnR = 0
[ 11.640254] [0000000000001530] user address but active_mm is swapper
[ 11.646594] Internal error: Oops: 96000004 [#1] PREEMPT SMP
[ 11.652154] Modules linked in:
[ 11.655198] CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.16.0-rc1-00491-g204a6cc-dirty #17
[ 11.663361] Hardware name: Huawei, 06/02/2018
[ 11.673174] pstate: 20c00089 (nzCv daIf +PAN +UAO)
[ 11.677955] pc : ___slab_alloc+0x60/0x590
[ 11.681952] lr : __slab_alloc.isra.24+0x58/0x70
[ 11.686469] sp : ffff00000981b870
[ 11.689771] x29: ffff00000981b870 x28: ffffc023eb8d8000
[ 11.695071] x27: ffff7e008fafd600 x26: ffff8023f0407c00
[ 11.700372] x25: ffff8023f0407c00 x24: ffff000008098da0
[ 11.705671] x23: 0000000000000003 x22: 00000000014080c0
[ 11.710971] x21: 0000000000000000 x20: 0000000000000003
[ 11.716271] x19: ffff8023f0b40870 x18: ffffffffffffffff
[ 11.721571] x17: 0000000000000000 x16: 000000000001c200
[ 11.726871] x15: ffff000009423b88 x14: ffff00008958c94f
[ 11.732171] x13: ffff00000958c95d x12: ffff00000943e858
[ 11.737471] x11: ffff00000943e000 x10: 0000000005f5e0ff
[ 11.742771] x9 : 00000000ffffffd0 x8 : 65646f6e20353731
[ 11.748071] x7 : 203a746f6f725f6e x6 : 00000000000002e8
[ 11.753371] x5 : 000000000000000a x4 : ffff8023f0b40870
[ 11.758670] x3 : ffff000008098da0 x2 : 0000000000000003
[ 11.763970] x1 : 0000000000000000 x0 : 0000000000000000
[ 11.769271] Process swapper/0 (pid: 1, stack limit = 0x00000000b21a776c)
[ 11.775958] Call trace:
[ 11.778392] ___slab_alloc+0x60/0x590
[ 11.782041] __slab_alloc.isra.24+0x58/0x70
[ 11.786212] kmem_cache_alloc_node+0xe0/0x240
[ 11.790556] pci_acpi_scan_root+0xb0/0x270
[ 11.794642] acpi_pci_root_add+0x29c/0x498
[ 11.798726] acpi_bus_attach+0x104/0x210
[ 11.802635] acpi_bus_attach+0xa4/0x210
[ 11.806458] acpi_bus_attach+0xa4/0x210
[ 11.810282] acpi_bus_scan+0x4c/0xb0
[ 11.813846] acpi_scan_init+0xec/0x24c
[ 11.817582] acpi_init+0x300/0x36c
[ 11.820972] do_one_initcall+0x50/0x158
[ 11.824797] kernel_init_freeable+0x188/0x228
[ 11.829141] kernel_init+0x10/0x100
[ 11.832617] ret_from_fork+0x10/0x18
[ 11.836181] Code: 90009081 93407e82 912ec021 f8627821 (f94a9821)
[ 11.842316] ---[ end trace 6b7476446f4b95ab ]---
[ 11.846936] Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 11.846936]
[ 11.856079] SMP: stopping secondary CPUs
[ 11.860027] ---[ end Kernel panic - not syncing: Attempted to kill init! exitcode=0x0000000b
[ 11.860027]
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