Closed hygoni closed 3 years ago
Booting the kernel.
[ 0.000000] Linux version 5.15.0-rc2+ (root@debian) (gcc (Debian 8.3.0-6) 8.3.0, GNU l1
[ 0.000000] Command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-rc2+ root=UUID=c80e81d2-107aY
[ 0.000000] x86/fpu: x87 FPU will use FXSAVE
[ 0.000000] signal: max sigframe size: 1440
[ 0.000000] BIOS-provided physical RAM map:
[ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
[ 0.000000] BIOS-e820: [mem 0x000000000009fc00-0x000000000009ffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000000f0000-0x00000000000fffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bffdefff] usable
[ 0.000000] BIOS-e820: [mem 0x00000000bffdf000-0x00000000bfffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000feffc000-0x00000000feffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x00000000fffc0000-0x00000000ffffffff] reserved
[ 0.000000] BIOS-e820: [mem 0x0000000100000000-0x000000023fffffff] usable
[ 0.000000] printk: bootconsole [earlyser0] enabled
[ 0.000000] NX (Execute Disable) protection: active
[ 0.000000] SMBIOS 2.8 present.
[ 0.000000] DMI: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-1 04/01/2014
[ 0.000000] tsc: Fast TSC calibration failed
[ 0.000000] last_pfn = 0x240000 max_arch_pfn = 0x400000000
[ 0.000000] x86/PAT: PAT not supported by the CPU.
[ 0.000000] x86/PAT: Configuration [0-7]: WB WT UC- UC WB WT UC- UC
Memory KASLR using RDTSC...
[ 0.000000] last_pfn = 0xbffdf max_arch_pfn = 0x400000000
[ 0.000000] found SMP MP-table at [mem 0x000f5c50-0x000f5c5f]
[ 0.000000] RAMDISK: [mem 0x37343000-0x37998fff]
[ 0.000000] ACPI: Early table checksum verification disabled
[ 0.000000] ACPI: RSDP 0x00000000000F5C10 000014 (v00 BOCHS )
[ 0.000000] ACPI: RSDT 0x00000000BFFE143E 000030 (v01 BOCHS BXPCRSDT 00000001 BXPC 00)
[ 0.000000] ACPI: FACP 0x00000000BFFE12E2 000074 (v01 BOCHS BXPCFACP 00000001 BXPC 00)
[ 0.000000] ACPI: DSDT 0x00000000BFFDFC80 001662 (v01 BOCHS BXPCDSDT 00000001 BXPC 00)
[ 0.000000] ACPI: FACS 0x00000000BFFDFC40 000040
[ 0.000000] ACPI: APIC 0x00000000BFFE1356 0000B0 (v01 BOCHS BXPCAPIC 00000001 BXPC 00)
[ 0.000000] ACPI: HPET 0x00000000BFFE1406 000038 (v01 BOCHS BXPCHPET 00000001 BXPC 00)
[ 0.000000] ACPI: Reserving FACP table memory at [mem 0xbffe12e2-0xbffe1355]
[ 0.000000] ACPI: Reserving DSDT table memory at [mem 0xbffdfc80-0xbffe12e1]
[ 0.000000] ACPI: Reserving FACS table memory at [mem 0xbffdfc40-0xbffdfc7f]
[ 0.000000] ACPI: Reserving APIC table memory at [mem 0xbffe1356-0xbffe1405]
[ 0.000000] ACPI: Reserving HPET table memory at [mem 0xbffe1406-0xbffe143d]
[ 0.000000] No NUMA configuration found
[ 0.000000] Faking a node at [mem 0x0000000000000000-0x000000023fffffff]
[ 0.000000] NODE_DATA(0) allocated [mem 0x23fff8000-0x23fffbfff]
[ 0.000000] Zone ranges:
[ 0.000000] DMA [mem 0x0000000000001000-0x0000000000ffffff]
[ 0.000000] DMA32 [mem 0x0000000001000000-0x00000000ffffffff]
[ 0.000000] Normal [mem 0x0000000100000000-0x000000023fffffff]
[ 0.000000] Movable zone start for each node
[ 0.000000] Early memory node ranges
[ 0.000000] node 0: [mem 0x0000000000001000-0x000000000009efff]
[ 0.000000] node 0: [mem 0x0000000000100000-0x00000000bffdefff]
[ 0.000000] node 0: [mem 0x0000000100000000-0x000000023fffffff]
[ 0.000000] Initmem setup node 0 [mem 0x0000000000001000-0x000000023fffffff]
[ 0.000000] On node 0, zone DMA: 1 pages in unavailable ranges
[ 0.000000] On node 0, zone DMA: 97 pages in unavailable ranges
[ 0.000000] On node 0, zone Normal: 33 pages in unavailable ranges
[ 0.000000] ACPI: PM-Timer IO Port: 0x608
[ 0.000000] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[ 0.000000] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[ 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 5 global_irq 5 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[ 0.000000] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[ 0.000000] ACPI: Using ACPI (MADT) for SMP configuration information
[ 0.000000] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[ 0.000000] smpboot: Allowing 8 CPUs, 0 hotplug CPUs
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0x00000000-0x00000fff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0x0009f000-0x0009ffff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0x000a0000-0x000effff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0x000f0000-0x000fffff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0xbffdf000-0xbfffffff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0xc0000000-0xfeffbfff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0xfeffc000-0xfeffffff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0xff000000-0xfffbffff]
[ 0.000000] PM: hibernation: Registered nosave memory: [mem 0xfffc0000-0xffffffff]
[ 0.000000] [mem 0xc0000000-0xfeffbfff] available for PCI devices
[ 0.000000] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, maxs
[ 0.000000] setup_percpu: NR_CPUS:64 nr_cpumask_bits:64 nr_cpu_ids:8 nr_node_ids:1
[ 0.000000] percpu: Embedded 48 pages/cpu s157976 r8192 d30440 u262144
[ 0.000000] Built 1 zonelists, mobility grouping on. Total pages: 2064095
[ 0.000000] Policy zone: Normal
[ 0.000000] Kernel command line: BOOT_IMAGE=/boot/vmlinuz-5.15.0-rc2+ root=UUID=c80e81Y
[ 0.000000] Unknown command line parameters: BOOT_IMAGE=/boot/vmlinuz-5.15.0-rc2+
[ 0.000000] Dentry cache hash table entries: 1048576 (order: 11, 8388608 bytes, linear)
[ 0.000000] Inode-cache hash table entries: 524288 (order: 10, 4194304 bytes, linear)
[ 0.000000] mem auto-init: stack:off, heap alloc:off, heap free:off
[ 0.000000] Memory: 8138632K/8388084K available (14350K kernel code, 2581K rwdata, 362)
[ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=8, Nodes=1
[ 0.000000] Kernel/User page tables isolation: enabled
[ 0.000000] rcu: Hierarchical RCU implementation.
[ 0.000000] rcu: RCU event tracing is enabled.
[ 0.000000] rcu: RCU restricting CPUs from NR_CPUS=64 to nr_cpu_ids=8.
[ 0.000000] rcu: RCU calculated value of scheduler-enlistment delay is 100 jiffies.
[ 0.000000] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=8
[ 0.000000] NR_IRQS: 4352, nr_irqs: 488, preallocated irqs: 16
[ 0.000000] random: get_random_bytes called from start_kernel+0x4a8/0x677 with crng_in0
[ 0.000000] Console: colour VGA+ 80x25
[ 0.000000] printk: console [tty0] enabled
[ 0.000000] printk: console [ttyS0] enabled
[ 0.000000] printk: console [ttyS0] enabled
[ 0.000000] printk: bootconsole [earlyser0] disabled
[ 0.000000] printk: bootconsole [earlyser0] disabled
[ 0.000000] ACPI: Core revision 20210730
[ 0.000000] clocksource: hpet: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1s
[ 0.001000] APIC: Switch to symmetric I/O mode setup
[ 0.002000] ..TIMER: vector=0x30 apic1=0 pin1=2 apic2=-1 pin2=-1
[ 0.010000] tsc: Unable to calibrate against PIT
[ 0.011000] tsc: using HPET reference calibration
[ 0.012000] tsc: Detected 2799.688 MHz processor
[ 0.000016] clocksource: tsc-early: mask: 0xffffffffffffffff max_cycles: 0x285b19d397cs
[ 0.013775] Calibrating delay loop (skipped), value calculated using timer frequency..)
[ 0.014769] pid_max: default: 32768 minimum: 301
[ 0.015790] LSM: Security Framework initializing
[ 0.016782] SELinux: Initializing.
[ 0.017809] Mount-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
[ 0.018786] Mountpoint-cache hash table entries: 16384 (order: 5, 131072 bytes, linear)
Poking KASLR using RDTSC...
[ 0.024884] Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
[ 0.025767] Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
[ 0.026774] Spectre V1 : Mitigation: usercopy/swapgs barriers and __user pointer sanitn
[ 0.027768] Spectre V2 : Mitigation: Full generic retpoline
[ 0.028768] Spectre V2 : Spectre v2 / SpectreRSB mitigation: Filling RSB on context swh
[ 0.029768] Speculative Store Bypass: Vulnerable
[ 0.030773] MDS: Vulnerable: Clear CPU buffers attempted, no microcode
[ 0.034183] Freeing SMP alternatives memory: 44K
[ 0.137524] smpboot: CPU0: Intel QEMU Virtual CPU version 2.5+ (family: 0x6, model: 0x)
[ 0.137894] Performance Events: PMU not available due to virtualization, using softwar.
[ 0.140083] rcu: Hierarchical SRCU implementation.
[ 0.141050] smp: Bringing up secondary CPUs ...
[ 0.142064] x86: Booting SMP configuration:
[ 0.142769] .... node #0, CPUs: #1
[ 0.000763] smpboot: CPU 1 Converting physical 0 to logical die 1
[ 0.217770] #2
[ 0.000763] smpboot: CPU 2 Converting physical 0 to logical die 2
[ 0.288058] #3
[ 0.000763] smpboot: CPU 3 Converting physical 0 to logical die 3
[ 0.360056] #4
[ 0.000763] smpboot: CPU 4 Converting physical 0 to logical die 4
[ 0.433078] #5
[ 0.000763] smpboot: CPU 5 Converting physical 0 to logical die 5
[ 0.504050] #6
[ 0.000763] smpboot: CPU 6 Converting physical 0 to logical die 6
[ 0.577052] #7
[ 0.000763] smpboot: CPU 7 Converting physical 0 to logical die 7
[ 0.648967] smp: Brought up 1 node, 8 CPUs
[ 0.649771] smpboot: Max logical packages: 8
[ 0.650768] smpboot: Total of 8 processors activated (44804.57 BogoMIPS)
[ 0.656931] devtmpfs: initialized
[ 0.658030] clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_nss
[ 0.659773] futex hash table entries: 2048 (order: 5, 131072 bytes, linear)
[ 0.661765] PM: RTC time: 14:28:42, date: 2021-09-25
[ 0.663939] NET: Registered PF_NETLINK/PF_ROUTE protocol family
[ 0.664884] audit: initializing netlink subsys (disabled)
[ 0.666846] audit: type=2000 audit(1632580121.667:1): state=initialized audit_enabled=1
[ 0.667062] thermal_sys: Registered thermal governor 'step_wise'
[ 0.667769] thermal_sys: Registered thermal governor 'user_space'
[ 0.668927] cpuidle: using governor menu
[ 0.670843] ACPI: bus type PCI registered
[ 0.673062] PCI: Using configuration type 1 for base access
[ 0.675662] Kprobes globally optimized
[ 0.677028] HugeTLB registered 2.00 MiB page size, pre-allocated 0 pages
[ 0.677893] cryptomgr_test (56) used greatest stack depth: 15168 bytes left
[ 0.691910] ACPI: Added _OSI(Module Device)
[ 0.692769] ACPI: Added _OSI(Processor Device)
[ 0.693768] ACPI: Added _OSI(3.0 _SCP Extensions)
[ 0.694768] ACPI: Added _OSI(Processor Aggregator Device)
[ 0.695769] ACPI: Added _OSI(Linux-Dell-Video)
[ 0.696768] ACPI: Added _OSI(Linux-Lenovo-NV-HDMI-Audio)
[ 0.697768] ACPI: Added _OSI(Linux-HPI-Hybrid-Graphics)
[ 0.699952] ACPI: 1 ACPI AML tables successfully acquired and loaded
[ 0.703021] ACPI: Interpreter enabled
[ 0.703782] ACPI: PM: (supports S0 S3 S4 S5)
[ 0.704766] ACPI: Using IOAPIC for interrupt routing
[ 0.705794] PCI: Using host bridge windows from ACPI; if necessary, use "pci=nocrs" ang
[ 0.706988] ACPI: Enabled 2 GPEs in block 00 to 0F
[ 0.711851] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-ff])
[ 0.712775] acpi PNP0A03:00: _OSC: OS supports [ASPM ClockPM Segments MSI HPX-Type3]
[ 0.713786] acpi PNP0A03:00: fail to add MMCONFIG information, can't access extended P.
[ 0.714842] PCI host bridge to bus 0000:00
[ 0.715770] pci_bus 0000:00: root bus resource [io 0x0000-0x0cf7 window]
[ 0.716769] pci_bus 0000:00: root bus resource [io 0x0d00-0xffff window]
[ 0.717770] pci_bus 0000:00: root bus resource [mem 0x000a0000-0x000bffff window]
[ 0.718769] pci_bus 0000:00: root bus resource [mem 0xc0000000-0xfebfffff window]
[ 0.719769] pci_bus 0000:00: root bus resource [mem 0x240000000-0x2bfffffff window]
[ 0.720771] pci_bus 0000:00: root bus resource [bus 00-ff]
[ 0.722161] pci 0000:00:00.0: [8086:1237] type 00 class 0x060000
[ 0.726233] pci 0000:00:01.0: [8086:7000] type 00 class 0x060100
[ 0.731652] pci 0000:00:01.1: [8086:7010] type 00 class 0x010180
[ 0.736081] pci 0000:00:01.1: reg 0x20: [io 0xc040-0xc04f]
[ 0.738933] pci 0000:00:01.1: legacy IDE quirk: reg 0x10: [io 0x01f0-0x01f7]
[ 0.739767] pci 0000:00:01.1: legacy IDE quirk: reg 0x14: [io 0x03f6]
[ 0.741768] pci 0000:00:01.1: legacy IDE quirk: reg 0x18: [io 0x0170-0x0177]
[ 0.742769] pci 0000:00:01.1: legacy IDE quirk: reg 0x1c: [io 0x0376]
[ 0.745187] pci 0000:00:01.3: [8086:7113] type 00 class 0x068000
[ 0.749613] pci 0000:00:01.3: quirk: [io 0x0600-0x063f] claimed by PIIX4 ACPI
[ 0.749828] pci 0000:00:01.3: quirk: [io 0x0700-0x070f] claimed by PIIX4 SMB
[ 0.753058] pci 0000:00:02.0: [1234:1111] type 00 class 0x030000
[ 0.756778] pci 0000:00:02.0: reg 0x10: [mem 0xfd000000-0xfdffffff pref]
[ 0.762778] pci 0000:00:02.0: reg 0x18: [mem 0xfebb0000-0xfebb0fff]
[ 0.774785] pci 0000:00:02.0: reg 0x30: [mem 0xfeba0000-0xfebaffff pref]
[ 0.777615] pci 0000:00:03.0: [8086:100e] type 00 class 0x020000
[ 0.779469] pci 0000:00:03.0: reg 0x10: [mem 0xfeb80000-0xfeb9ffff]
[ 0.781424] pci 0000:00:03.0: reg 0x14: [io 0xc000-0xc03f]
[ 0.788304] pci 0000:00:03.0: reg 0x30: [mem 0xfeb00000-0xfeb7ffff pref]
[ 0.792175] ACPI: PCI: Interrupt link LNKA configured for IRQ 10
[ 0.793917] ACPI: PCI: Interrupt link LNKB configured for IRQ 10
[ 0.795073] ACPI: PCI: Interrupt link LNKC configured for IRQ 11
[ 0.797100] ACPI: PCI: Interrupt link LNKD configured for IRQ 11
[ 0.797943] ACPI: PCI: Interrupt link LNKS configured for IRQ 9
[ 0.799932] iommu: Default domain type: Translated
[ 0.800767] iommu: DMA domain TLB invalidation policy: lazy mode
[ 0.801871] pci 0000:00:02.0: vgaarb: setting as boot VGA device
[ 0.802763] pci 0000:00:02.0: vgaarb: VGA device added: decodes=io+mem,owns=io+mem,loce
[ 0.802871] pci 0000:00:02.0: vgaarb: bridge control possible
[ 0.803769] vgaarb: loaded
[ 0.804967] SCSI subsystem initialized
[ 0.807029] ACPI: bus type USB registered
[ 0.807795] usbcore: registered new interface driver usbfs
[ 0.808789] usbcore: registered new interface driver hub
[ 0.809796] usbcore: registered new device driver usb
[ 0.810792] pps_core: LinuxPPS API ver. 1 registered
[ 0.811766] pps_core: Software ver. 5.3.6 - Copyright 2005-2007 Rodolfo Giometti
Why isn't it creating unique ID? :<
Hmm... just added sttaic variable slab_unique_id. ff12a03172c1 is there better way to fix?
It seems it was caused by enabling it. Close this issue I have no provision for enabling it on all slab cache of kernel.
[ 1.769788] Initialise system trusted keyrings [ 1.774538] workingset: timestamp_bits=56 max_order=22 bucket_order=0 [ 1.781716] sysfs: cannot create duplicate filename '/kernel/slab/:0000256' [ 1.788785] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-rc2+ #17 [ 1.793170] Freeing initrd memory: 23148K [ 1.789780] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.789780] Call Trace: [ 1.789780] dump_stack_lvl+0x34/0x44 [ 1.789780] sysfs_warn_dup.cold+0x17/0x24 [ 1.789780] sysfs_create_dir_ns+0xb7/0xd0 [ 1.789780] kobject_add_internal+0xa1/0x270 [ 1.789780] kobject_init_and_add+0x71/0xa0 [ 1.789780] ? kmem_cache_alloc_trace+0x3a/0x1a0 [ 1.789780] sysfs_slab_add+0xff/0x1e0 [ 1.789780] ? kmem_cache_init+0x16a/0x16a [ 1.789780] slab_sysfs_init+0x7a/0xe9 [ 1.789780] ? kmem_cache_init+0x16a/0x16a [ 1.789780] do_one_initcall+0x3c/0x1b0 [ 1.789780] kernel_init_freeable+0x1ba/0x202 [ 1.789780] ? rest_init+0xb0/0xb0 [ 1.789780] kernel_init+0x11/0x110 [ 1.789780] ret_from_fork+0x1f/0x30 [ 1.872165] kobject_add_internal failed for :0000256 with -EEXIST, don't try to register things with the same name in the same directory. [ 1.884617] SLUB: Unable to add boot slab pool_workqueue to sysfs [ 1.891217] SLUB: Unable to add boot slab alias posix_timers_cache to sysfs [ 1.898330] SLUB: Unable to add boot slab alias rpc_tasks to sysfs [ 1.904628] SLUB: Unable to add boot slab alias bio-216 to sysfs [ 1.910759] SLUB: Unable to add boot slab alias biovec-16 to sysfs [ 1.917052] SLUB: Unable to add boot slab alias filp to sysfs [ 1.922906] SLUB: Unable to add boot slab alias key_jar to sysfs [ 1.929085] sysfs: cannot create duplicate filename '/kernel/slab/:0000256' [ 1.936154] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-rc2+ #17 [ 1.937144] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 1.937144] Call Trace: [ 1.937144] dump_stack_lvl+0x34/0x44 [ 1.937144] sysfs_warn_dup.cold+0x17/0x24 [ 1.937144] sysfs_create_dir_ns+0xb7/0xd0 [ 1.937144] kobject_add_internal+0xa1/0x270 [ 1.937144] kobject_init_and_add+0x71/0xa0 [ 1.937144] ? kmem_cache_alloc_trace+0x3a/0x1a0 [ 1.937144] sysfs_slab_add+0xff/0x1e0 [ 1.937144] __kmem_cache_create+0x3df/0x540 [ 1.937144] kmem_cache_create_usercopy+0x1b9/0x300 [ 1.937144] ? aio_setup+0x74/0x74 [ 1.937144] kmem_cache_create+0xd/0x10 [ 1.937144] io_uring_init+0x1e/0x28 [ 1.937144] do_one_initcall+0x3c/0x1b0 [ 1.937144] kernel_init_freeable+0x1ba/0x202 [ 1.937144] ? rest_init+0xb0/0xb0 [ 1.937144] kernel_init+0x11/0x110 [ 1.937144] ret_from_fork+0x1f/0x30 [ 2.023629] kobject_add_internal failed for :0000256 with -EEXIST, don't try to register things with the same name in the same directory. [ 2.036081] Kernel panic - not syncing: kmem_cache_create_usercopy: Failed to create slab 'io_kiocb'. Error -17 [ 2.037069] CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.15.0-rc2+ #17 [ 2.037069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 2.037069] Call Trace: [ 2.037069] dump_stack_lvl+0x34/0x44 [ 2.037069] panic+0xe8/0x29f [ 2.037069] kmem_cache_create_usercopy.cold+0x4a/0x4a [ 2.037069] ? aio_setup+0x74/0x74 [ 2.037069] kmem_cache_create+0xd/0x10 [ 2.037069] io_uring_init+0x1e/0x28 [ 2.037069] do_one_initcall+0x3c/0x1b0 [ 2.037069] kernel_init_freeable+0x1ba/0x202 [ 2.037069] ? rest_init+0xb0/0xb0 [ 2.037069] kernel_init+0x11/0x110 [ 2.037069] ret_from_fork+0x1f/0x30 [ 2.037069] Kernel Offset: 0x3c000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 2.037069] ---[ end Kernel panic - not syncing: kmem_cache_create_usercopy: Failed to create slab 'io_kiocb'. Error -17 ]---