Linux version 4.8.13 (ubuntu@ip-172-31-23-135) (gcc version 5.4.0 20160609 (Ubuntu 5.4.0-6ubuntu1~16.04.11) ) #2 SMP Thu Jun 20 20:00:31 UTC 2019
Command line: earlyprintk=ttyS0 console=ttyS0 lpj=7999923 root=/dev/hda1
CPU: vendor_id 'M5 Simulator' unknown, using generic init.
CPU: Your system may be unstable.
x86/fpu: Legacy x87 FPU detected.
x86/fpu: Using 'eager' FPU context switches.
e820: BIOS-provided physical RAM map:
BIOS-e820: [mem 0x0000000000000000-0x000000000009fbff] usable
BIOS-e820: [mem 0x000000000009fc00-0x00000000000fffff] reserved
BIOS-e820: [mem 0x0000000000100000-0x000000007fffffff] usable
BIOS-e820: [mem 0x0000000080000000-0x00000000bfffffff] reserved
BIOS-e820: [mem 0x00000000ffff0000-0x00000000ffffffff] reserved
bootconsole [earlyser0] enabled
NX (Execute Disable) protection: active
SMBIOS 2.5 present.
AGP: No AGP bridge found
e820: last_pfn = 0x80000 max_arch_pfn = 0x400000000
MTRR: Disabled
x86/PAT: MTRRs disabled, skipping PAT initialization too.
x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC
CPU MTRRs all blank - virtualized system.
found SMP MP-table at [mem 0x000f0050-0x000f005f] mapped at [ffff8800000f0050]
ACPI: Early table checksum verification disabled
ACPI BIOS Error (bug): A valid RSDP was not found (20160422/tbxfroot-243)
Zone ranges:
  DMA      [mem 0x0000000000001000-0x0000000000ffffff]
  DMA32    [mem 0x0000000001000000-0x000000007fffffff]
  Normal   empty
Movable zone start for each node
Early memory node ranges
  node   0: [mem 0x0000000000001000-0x000000000009efff]
  node   0: [mem 0x0000000000100000-0x000000007fffffff]
Initmem setup node 0 [mem 0x0000000000001000-0x000000007fffffff]
Intel MultiProcessor Specification v1.4
MPTABLE: OEM ID:
MPTABLE: Product ID:
MPTABLE: APIC at: 0xFEE00000
Processor #0 (Bootup-CPU)
IOAPIC[0]: apic_id 1, version 20, address 0xfec00000, GSI 0-23
Processors: 1
smpboot: Allowing 1 CPUs, 0 hotplug CPUs
e820: [mem 0xc0000000-0xfffeffff] available for PCI devices
Booting paravirtualized kernel on bare hardware
clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 1910969940391419 ns
setup_percpu: NR_CPUS:8192 nr_cpumask_bits:1 nr_cpu_ids:1 nr_node_ids:1
percpu: Embedded 31 pages/cpu @ffff88007fc00000 s89496 r8192 d29288 u2097152
Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 517001
Kernel command line: earlyprintk=ttyS0 console=ttyS0 lpj=7999923 root=/dev/hda1
PID hash table entries: 4096 (order: 3, 32768 bytes)
Dentry cache hash table entries: 262144 (order: 9, 2097152 bytes)
Inode-cache hash table entries: 131072 (order: 8, 1048576 bytes)
AGP: Checking aperture...
AGP: No AGP bridge found
Memory: 2054240K/2096760K available (4240K kernel code, 593K rwdata, 1620K rodata, 992K init, 636K bss, 42520K reserved, 0K cma-reserved)
Hierarchical RCU implementation.
    Build-time adjustment of leaf fanout to 64.
    RCU restricting CPUs from NR_CPUS=8192 to nr_cpu_ids=1.
RCU: Adjusting geometry for rcu_fanout_leaf=64, nr_cpu_ids=1
NR_IRQS:524544 nr_irqs:256 16
Console: colour dummy device 80x25
console [ttyS0] enabled
console [ttyS0] enabled
bootconsole [earlyser0] disabled
bootconsole [earlyser0] disabled
tsc: Fast TSC calibration using PIT
tsc: Detected 2000.121 MHz processor
Calibrating delay loop (skipped) preset value.. 15999.84 BogoMIPS (lpj=7999923)
pid_max: default: 32768 minimum: 301
Mount-cache hash table entries: 4096 (order: 3, 32768 bytes)
Mountpoint-cache hash table entries: 4096 (order: 3, 32768 bytes)
mce: CPU supports 4 MCE banks
mce: unknown CPU type - not enabling MCE support
Last level iTLB entries: 4KB 0, 2MB 0, 4MB 0
Last level dTLB entries: 4KB 0, 2MB 0, 4MB 0, 1GB 0
Freeing SMP alternatives memory: 24K (ffffffff8198e000 - ffffffff81994000)
BUG: unable to handle kernel paging request at 000000005bc08b55
IP: [<ffffffff81014686>] text_poke_early+0x29/0x30
PGD 0
Oops: 0000 [#1] SMP
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 4.8.13 #2
Hardware name:  , BIOS  06/08/2008
task: ffffffff8180b500 task.stack: ffffffff81800000
RIP: 0010:[<ffffffff81014686>]  [<ffffffff81014686>] text_poke_early+0x29/0x30
RSP: 0000:ffffffff81803e48  EFLAGS: 0000026c
RAX: 0000000000020f51 RBX: 0000000000000805 RCX: 0000000000000209
RDX: 00000000e7dbfbff RSI: ffffffff81803e61 RDI: 000000000000026c
RBP: ffffffff81803e5a R08: ffffffff81014681 R09: 000000000000026c
R10: ffffffff81803e5a R11: ffffffff81803e5a R12: ffffffff819858fc
R13: ffffffff8192c2e0 R14: 0000000000090200 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff88007fc00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000005bc08b55 CR3: 0000000001806000 CR4: 00000000000006b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000000
Stack:
 ffffffff8197b6c0 ffffffff81014adc 669066669d57004a 0000000000009090
 ffffffff819dfbe2 ffffffff8106b97a 0000000000000000 0000000000000000
 000000000000026c ff00ffff81035e9f ffff88007dc57828 ffffffff81803f20
Call Trace:
 [<ffffffff81014adc>] ? apply_paravirt.part.1+0x74/0x82
 [<ffffffff8106b97a>] ? vprintk_emit+0x35e/0x36f
 [<ffffffff810ae387>] ? printk+0x43/0x4b
 [<ffffffff810b4de5>] ? free_reserved_area+0x10c/0x11e
 [<ffffffff818b5852>] ? alternative_instructions+0xbf/0xcf
 [<ffffffff818b7182>] ? check_bugs+0xa/0x28
 [<ffffffff818acebe>] ? start_kernel+0x4a9/0x4bb
 [<ffffffff818ac120>] ? early_idt_handler_array+0x120/0x120
 [<ffffffff818ac375>] ? x86_64_start_kernel+0xea/0xf7
Code: 00 c3 53 49 89 f8 9c 58 66 66 90 66 90 49 89 c1 fa 66 66 90 66 66 90 b8 01 00 00 00 48 89 d1 f3 a4 0f a2 4c 89 cf 57 9d 66 66 90 <66> 90 4c 89 c0 5b c3 41 57 41 56 49 89 f6 41 55 41 54 55 53 48
RIP  [<ffffffff81014686>] text_poke_early+0x29/0x30
 RSP <ffffffff81803e48>
CR2: 000000005bc08b55
---[ end trace 0000000000000000 ]---
Kernel panic - not syncing: Attempted to kill the idle task!
---[ end Kernel panic - not syncing: Attempted to kill the idle task!