early console in setup code
Probing EDD (edd=off to disable)... ok
[    0.000000] Linux version 5.7.0-rc7-00001-gc7b2a6d1affb7 (kbuild@7ac258e5b3fb) (gcc version 9.3.0 (Debian 9.3.0-13), GNU ld (GNU Binutils for Ubuntu) 2.34) #1 SMP Wed Jun 10 16:10:10 CST 2020
[    0.000000] KERNEL supported cpus:
[    0.000000]   NSC Geode by NSC
[    0.000000]   Cyrix CyrixInstead
[    0.000000]   UMC UMC UMC UMC
[    0.000000]   zhaoxin   Shanghai  
[    0.000000] CPU: vendor_id 'GenuineIntel' unknown, using generic init.
[    0.000000] CPU: Your system may be unstable.
[    0.000000] x86/fpu: Supporting XSAVE feature 0x001: 'x87 floating point registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x002: 'SSE registers'
[    0.000000] x86/fpu: Supporting XSAVE feature 0x004: 'AVX registers'
[    0.000000] x86/fpu: xstate_offset[2]:  576, xstate_sizes[2]:  256
[    0.000000] x86/fpu: Enabled xstate features 0x7, context size is 832 bytes, using 'standard' format.
[    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 0x0000000000100000-0x00000000bffd1fff] usable
[    0.000000] BIOS-e820: [mem 0x00000000bffd2000-0x00000000bfffffff] 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: debug: ignoring loglevel setting.
[    0.000000] Notice: NX (Execute Disable) protection cannot be enabled: non-PAE kernel!
[    0.000000] Hypervisor detected: KVM
[    0.000000] kvm-clock: Using msrs 4b564d01 and 4b564d00
[    0.000001] kvm-clock: cpu 0, msr 4cfb001, primary cpu clock
[    0.000001] kvm-clock: using sched offset of 1543507735 cycles
[    0.000010] clocksource: kvm-clock: mask: 0xffffffffffffffff max_cycles: 0x1cd42e4dffb, max_idle_ns: 881590591483 ns
[    0.000028] tsc: Detected 2893.026 MHz processor
[    0.003323] e820: update [mem 0x00000000-0x00000fff] usable ==> reserved
[    0.003343] e820: remove [mem 0x000a0000-0x000fffff] usable
[    0.003362] last_pfn = 0xbffd2 max_arch_pfn = 0x100000
[    0.003415] MTRR default type: write-back
[    0.003425] MTRR fixed ranges enabled:
[    0.003435]   00000-9FFFF write-back
[    0.003444]   A0000-BFFFF uncachable
[    0.003454]   C0000-FFFFF write-protect
[    0.003462] MTRR variable ranges enabled:
[    0.003472]   0 base 00C0000000 mask FFC0000000 uncachable
[    0.003480]   1 disabled
[    0.003488]   2 disabled
[    0.003496]   3 disabled
[    0.003504]   4 disabled
[    0.003513]   5 disabled
[    0.003521]   6 disabled
[    0.003529]   7 disabled
[    0.003568] x86/PAT: PAT support disabled because CONFIG_X86_PAT is disabled in the kernel.
[    0.003608] x86/PAT: Configuration [0-7]: WB  WT  UC- UC  WB  WT  UC- UC  
[    0.003618] Warning only 1139MB will be used.
[    0.003626] Use a HIGHMEM enabled kernel.
[    0.003636] Scan for SMP in [mem 0x00000000-0x000003ff]
[    0.003673] Scan for SMP in [mem 0x0009fc00-0x0009ffff]
[    0.003711] Scan for SMP in [mem 0x000f0000-0x000fffff]
[    0.008202] found SMP MP-table at [mem 0x000f5a50-0x000f5a5f]
[    0.008222]   mpc: f5a60-f5b7c
[    0.008250] 1.89 GiB of physical memory is not addressable in the 4-level paging mode
[    0.008258] Consider enabling 5-level paging
[    0.008271] initial memory mapped: [mem 0x00000000-0x067fffff]
[    0.008434] BRK [0x0653c000, 0x0653cfff] PGTABLE
[    0.008481] RAMDISK: [mem 0x7f533000-0x7fffffff]
[    0.008492] Allocated new RAMDISK: [mem 0x46930000-0x473fc84e]
[    0.014405] Move RAMDISK from [mem 0x7f533000-0x7ffff84e] to [mem 0x46930000-0x473fc84e]
[    0.014439] ACPI: Early table checksum verification disabled
[    0.014465] ACPI: RSDP 0x00000000000F5820 000014 (v00 BOCHS )
[    0.014490] ACPI: RSDT 0x00000000BFFE15C9 000030 (v01 BOCHS  BXPCRSDT 00000001 BXPC 00000001)
[    0.014510] ACPI: FACP 0x00000000BFFE149D 000074 (v01 BOCHS  BXPCFACP 00000001 BXPC 00000001)
[    0.014531] ACPI: DSDT 0x00000000BFFE0040 00145D (v01 BOCHS  BXPCDSDT 00000001 BXPC 00000001)
[    0.014548] ACPI: FACS 0x00000000BFFE0000 000040
[    0.014561] ACPI: APIC 0x00000000BFFE1511 000080 (v01 BOCHS  BXPCAPIC 00000001 BXPC 00000001)
[    0.014576] ACPI: HPET 0x00000000BFFE1591 000038 (v01 BOCHS  BXPCHPET 00000001 BXPC 00000001)
[    0.014598] ACPI: Local APIC address 0xfee00000
[    0.014612] mapped APIC to         ffffc000 (        fee00000)
[    0.014669] 1139MB LOWMEM available.
[    0.014678]   mapped low ram: 0 - 473fd000
[    0.014686]   low ram: 0 - 473fe000
[    0.014697] cma: dma_contiguous_reserve(limit 473fd000)
[    0.014753] Zone ranges:
[    0.014762]   Normal   [mem 0x0000000000001000-0x00000000473fdfff]
[    0.014773] Movable zone start for each node
[    0.014780] Early memory node ranges
[    0.014789]   node   0: [mem 0x0000000000001000-0x000000000009efff]
[    0.014797]   node   0: [mem 0x0000000000100000-0x00000000473fcfff]
[    0.014806] Initmem setup node 0 [mem 0x0000000000001000-0x00000000473fcfff]
[    0.014815] On node 0 totalpages: 291739
[    0.017234]   Normal zone: 2280 pages used for memmap
[    0.017252]   Normal zone: 0 pages reserved
[    0.017262]   Normal zone: 291739 pages, LIFO batch:63
[    0.032643] Using APIC driver default
[    0.033318] ACPI: PM-Timer IO Port: 0x608
[    0.033332] ACPI: Local APIC address 0xfee00000
[    0.033350] ACPI: LAPIC_NMI (acpi_id[0xff] dfl dfl lint[0x1])
[    0.033475] IOAPIC[0]: apic_id 0, version 17, address 0xfec00000, GSI 0-23
[    0.033507] ACPI: INT_SRC_OVR (bus 0 bus_irq 0 global_irq 2 dfl dfl)
[    0.033522] Int: type 0, pol 0, trig 0, bus 00, IRQ 00, APIC ID 0, APIC INT 02
[    0.033533] ACPI: INT_SRC_OVR (bus 0 bus_irq 5 global_irq 5 high level)
[    0.033543] Int: type 0, pol 1, trig 3, bus 00, IRQ 05, APIC ID 0, APIC INT 05
[    0.033553] ACPI: INT_SRC_OVR (bus 0 bus_irq 9 global_irq 9 high level)
[    0.033564] Int: type 0, pol 1, trig 3, bus 00, IRQ 09, APIC ID 0, APIC INT 09
[    0.033574] ACPI: INT_SRC_OVR (bus 0 bus_irq 10 global_irq 10 high level)
[    0.033584] Int: type 0, pol 1, trig 3, bus 00, IRQ 0a, APIC ID 0, APIC INT 0a
[    0.033594] ACPI: INT_SRC_OVR (bus 0 bus_irq 11 global_irq 11 high level)
[    0.033604] Int: type 0, pol 1, trig 3, bus 00, IRQ 0b, APIC ID 0, APIC INT 0b
[    0.033616] ACPI: IRQ0 used by override.
[    0.033625] Int: type 0, pol 0, trig 0, bus 00, IRQ 01, APIC ID 0, APIC INT 01
[    0.033634] Int: type 0, pol 0, trig 0, bus 00, IRQ 03, APIC ID 0, APIC INT 03
[    0.033643] Int: type 0, pol 0, trig 0, bus 00, IRQ 04, APIC ID 0, APIC INT 04
[    0.033651] ACPI: IRQ5 used by override.
[    0.033659] Int: type 0, pol 0, trig 0, bus 00, IRQ 06, APIC ID 0, APIC INT 06
[    0.033668] Int: type 0, pol 0, trig 0, bus 00, IRQ 07, APIC ID 0, APIC INT 07
[    0.033677] Int: type 0, pol 0, trig 0, bus 00, IRQ 08, APIC ID 0, APIC INT 08
[    0.033685] ACPI: IRQ9 used by override.
[    0.033692] ACPI: IRQ10 used by override.
[    0.033700] ACPI: IRQ11 used by override.
[    0.033709] Int: type 0, pol 0, trig 0, bus 00, IRQ 0c, APIC ID 0, APIC INT 0c
[    0.033718] Int: type 0, pol 0, trig 0, bus 00, IRQ 0d, APIC ID 0, APIC INT 0d
[    0.033727] Int: type 0, pol 0, trig 0, bus 00, IRQ 0e, APIC ID 0, APIC INT 0e
[    0.033736] Int: type 0, pol 0, trig 0, bus 00, IRQ 0f, APIC ID 0, APIC INT 0f
[    0.033748] Using ACPI (MADT) for SMP configuration information
[    0.033758] ACPI: HPET id: 0x8086a201 base: 0xfed00000
[    0.033795] smpboot: Allowing 2 CPUs, 0 hotplug CPUs
[    0.033811] mapped IOAPIC to ffffb000 (fec00000)
[    0.033930] [mem 0xc0000000-0xfeffbfff] available for PCI devices
[    0.033940] Booting paravirtualized kernel on KVM
[    0.033955] clocksource: refined-jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 6370452778343963 ns
[    0.033983] setup_percpu: NR_CPUS:8 nr_cpumask_bits:8 nr_cpu_ids:2 nr_node_ids:1
[    0.035481] percpu: Embedded 348 pages/cpu s1395284 r0 d30124 u1425408
[    0.035515] pcpu-alloc: s1395284 r0 d30124 u1425408 alloc=348*4096
[    0.035525] pcpu-alloc: [0] 0 [0] 1 
[    0.035592] KVM setup async PF for cpu 0
[    0.035609] kvm-stealtime: cpu 0, msr 45d95bc0
[    0.035625] Built 1 zonelists, mobility grouping on.  Total pages: 289459
[    0.035641] Kernel command line: ip=::::vm-snb-21::dhcp root=/dev/ram0 user=lkp job=/lkp/jobs/scheduled/vm-snb-21/boot-1-openwrt-i386-generic-20190428.cgz-c7b2a6d1affb732cdb37677f31cc8c2499fbf57c-20200610-5693-18qsun6-2.yaml ARCH=i386 kconfig=i386-randconfig-a011-20200607 branch=linux-devel/devel-hourly-2020061005 commit=c7b2a6d1affb732cdb37677f31cc8c2499fbf57c BOOT_IMAGE=/pkg/linux/i386-randconfig-a011-20200607/gcc-9/c7b2a6d1affb732cdb37677f31cc8c2499fbf57c/vmlinuz-5.7.0-rc7-00001-gc7b2a6d1affb7 max_uptime=600 RESULT_ROOT=/result/boot/1/vm-snb/openwrt-i386-generic-20190428.cgz/i386-randconfig-a011-20200607/gcc-9/c7b2a6d1affb732cdb37677f31cc8c2499fbf57c/3 LKP_SERVER=inn selinux=0 debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 net.ifnames=0 printk.devkmsg=on panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 drbd.minor_count=8 systemd.log_level=err ignore_loglevel console=tty0 earlyprintk=ttyS0,115200 console=ttyS0,115200 v
[    0.036891] sysrq: sysrq always enabled.
[    0.038491] Dentry cache hash table entries: 262144 (order: 8, 1048576 bytes, linear)
[    0.038631] Inode-cache hash table entries: 131072 (order: 7, 524288 bytes, linear)
[    0.038641] BRK [0x0653d000, 0x0653dfff] PGTABLE
[    0.038689] mem auto-init: stack:off, heap alloc:on, heap free:off
[    0.044192] Memory: 1055068K/1166956K available (37719K kernel code, 5124K rwdata, 16536K rodata, 2608K init, 24968K bss, 111888K reserved, 0K cma-reserved)
[    0.044207] Checking if this processor honours the WP bit even in supervisor mode...Ok.
[    0.044225] kmemleak: Kernel memory leak detector disabled
[    0.044317] 
[    0.044326] **********************************************************
[    0.044335] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.044343] **                                                      **
[    0.044351] ** trace_printk() being used. Allocating extra memory.  **
[    0.044359] **                                                      **
[    0.044367] ** This means that this is a DEBUG kernel and it is     **
[    0.044375] ** unsafe for production use.                           **
[    0.044383] **                                                      **
[    0.044392] ** If you see this message and you are not debugging    **
[    0.044399] ** the kernel, report this immediately to your vendor!  **
[    0.044408] **                                                      **
[    0.044416] **   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **
[    0.044424] **********************************************************
[    0.047344] Running RCU self tests
[    0.047360] rcu: Hierarchical RCU implementation.
[    0.047369] rcu: 	RCU lockdep checking is enabled.
[    0.047378] rcu: 	RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=2.
[    0.047386] rcu: 	RCU debug extended QS entry/exit.
[    0.047395] 	RCU CPU stall warnings timeout set to 100 (rcu_cpu_stall_timeout).
[    0.047403] 	Tasks RCU enabled.
[    0.047412] rcu: RCU calculated value of scheduler-enlistment delay is 30 jiffies.
[    0.047421] rcu: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=2
[    0.049302] NR_IRQS: 2304, nr_irqs: 440, preallocated irqs: 16
[    0.257303] printk: console [ttyS0] enabled
[    0.258089] Lock dependency validator: Copyright (c) 2006 Red Hat, Inc., Ingo Molnar
[    0.259532] ... MAX_LOCKDEP_SUBCLASSES:  8
[    0.260333] ... MAX_LOCK_DEPTH:          48
[    0.261086] ... MAX_LOCKDEP_KEYS:        8192
[    0.261926] ... CLASSHASH_SIZE:          4096
[    0.262791] ... MAX_LOCKDEP_ENTRIES:     32768
[    0.263666] ... MAX_LOCKDEP_CHAINS:      65536
[    0.264577] ... CHAINHASH_SIZE:          32768
[    0.265471]  memory used by lock dependency info: 4029 kB
[    0.266577]  memory used for stack traces: 2112 kB
[    0.267546]  per task-struct memory footprint: 2112 bytes
[    0.268630] ACPI: Core revision 20200326
[    0.269505] ------------[ cut here ]------------
[    0.270304] kernel BUG at arch/x86/mm/physaddr.c:81!
[    0.271167] invalid opcode: 0000 [#1] SMP
[    0.271930] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.7.0-rc7-00001-gc7b2a6d1affb7 #1
[    0.273438] EIP: __phys_addr+0x77/0x170
[    0.274191] Code: d4 ff cf b4 00 e8 c9 69 00 00 83 05 e8 ff cf b4 01 83 15 ec ff cf b4 00 39 f0 74 3d 83 05 f0 ff cf b4 01 83 15 f4 ff cf b4 00 <0f> 0b 83 05 f8 ff cf b4 01 83 15 fc ff cf b4 00 83 05 00 00 d0 b4
[    0.277762] EAX: 00000fff EBX: f73fdfff ECX: fffff000 EDX: 00000001
[    0.279012] ESI: 473fdfff EDI: 00000000 EBP: b44fde34 ESP: b44fde2c
[    0.280216] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210246
[    0.281576] CR0: 80050033 CR2: ffffffff CR3: 04cc2000 CR4: 00040690
[    0.282634] Call Trace:
[    0.283117]  memtype_kernel_map_sync+0x2e/0x130
[    0.283995]  ? __get_vm_area_node+0x13a/0x230
[    0.284939]  ? get_vm_area_caller+0x58/0x70
[    0.285757]  __ioremap_caller+0x2ea/0x510
[    0.286734]  ? walk_system_ram_range+0xb5/0x110
[    0.287599]  ioremap_cache+0x2f/0x40
[    0.288288]  ? acpi_os_map_iomem+0x34d/0x3c0
[    0.289103]  acpi_os_map_iomem+0x34d/0x3c0
[    0.289888]  acpi_os_map_memory+0x16/0x30
[    0.290704]  acpi_tb_acquire_table+0x4b/0x96
[    0.291571]  acpi_tb_validate_table+0x61/0xb9
[    0.292482]  acpi_tb_validate_temp_table+0x48/0x58
[    0.293464]  acpi_tb_verify_temp_table+0x49/0x4e1
[    0.294272]  ? acpi_ut_acquire_mutex+0x1d8/0x2d9
[    0.295103]  acpi_reallocate_root_table+0x169/0x21a
[    0.296011]  acpi_early_init+0x75/0x17f
[    0.296723]  start_kernel+0xad5/0xcf3
[    0.297414]  i386_start_kernel+0xc1/0xd1
[    0.298209]  startup_32_smp+0x15f/0x164
[    0.298991] Modules linked in:
[    0.299653] random: get_random_bytes called from init_oops_id+0x58/0x70 with crng_init=0
[    0.299660] ---[ end trace 0894cc2a10a079b3 ]---
[    0.302202] EIP: __phys_addr+0x77/0x170
[    0.302916] Code: d4 ff cf b4 00 e8 c9 69 00 00 83 05 e8 ff cf b4 01 83 15 ec ff cf b4 00 39 f0 74 3d 83 05 f0 ff cf b4 01 83 15 f4 ff cf b4 00 <0f> 0b 83 05 f8 ff cf b4 01 83 15 fc ff cf b4 00 83 05 00 00 d0 b4
[    0.306298] EAX: 00000fff EBX: f73fdfff ECX: fffff000 EDX: 00000001
[    0.307231] ESI: 473fdfff EDI: 00000000 EBP: b44fde34 ESP: b44fde2c
[    0.308315] DS: 007b ES: 007b FS: 00d8 GS: 0000 SS: 0068 EFLAGS: 00210246
[    0.309545] CR0: 80050033 CR2: ffffffff CR3: 04cc2000 CR4: 00040690
[    0.310826] Kernel panic - not syncing: Fatal exception

Elapsed time: 60

qemu-img create -f qcow2 disk-vm-snb-21-0 256G
qemu-img create -f qcow2 disk-vm-snb-21-1 256G
qemu-img create -f qcow2 disk-vm-snb-21-2 256G
qemu-img create -f qcow2 disk-vm-snb-21-3 256G
qemu-img create -f qcow2 disk-vm-snb-21-4 256G
qemu-img create -f qcow2 disk-vm-snb-21-5 256G
qemu-img create -f qcow2 disk-vm-snb-21-6 256G

kvm=(
	qemu-system-x86_64
	-enable-kvm
	-cpu SandyBridge
	-kernel $kernel
	-initrd initrd-vm-snb-21.cgz
	-m 8192
	-smp 2
	-device e1000,netdev=net0
	-netdev user,id=net0,hostfwd=tcp::32032-:22
	-boot order=nc
	-no-reboot
	-watchdog i6300esb
	-watchdog-action debug
	-rtc base=localtime
	-drive file=disk-vm-snb-21-0,media=disk,if=virtio
	-drive file=disk-vm-snb-21-1,media=disk,if=virtio
	-drive file=disk-vm-snb-21-2,media=disk,if=virtio
	-drive file=disk-vm-snb-21-3,media=disk,if=virtio
	-drive file=disk-vm-snb-21-4,media=disk,if=virtio
	-drive file=disk-vm-snb-21-5,media=disk,if=virtio
	-drive file=disk-vm-snb-21-6,media=disk,if=virtio
	-serial stdio
	-display none
	-monitor null
)

append=(
	ip=::::vm-snb-21::dhcp
	root=/dev/ram0
	user=lkp
	job=/job-script
	ARCH=i386
	kconfig=i386-randconfig-a011-20200607
	branch=linux-devel/devel-hourly-2020061005
	commit=c7b2a6d1affb732cdb37677f31cc8c2499fbf57c
	BOOT_IMAGE=/pkg/linux/i386-randconfig-a011-20200607/gcc-9/c7b2a6d1affb732cdb37677f31cc8c2499fbf57c/vmlinuz-5.7.0-rc7-00001-gc7b2a6d1affb7
	max_uptime=600
	RESULT_ROOT=/result/boot/1/vm-snb/openwrt-i386-generic-20190428.cgz/i386-randconfig-a011-20200607/gcc-9/c7b2a6d1affb732cdb37677f31cc8c2499fbf57c/3
	result_service=tmpfs
	selinux=0
	debug
	apic=debug
	sysrq_always_enabled
	rcupdate.rcu_cpu_stall_timeout=100
	net.ifnames=0
	printk.devkmsg=on
	panic=-1
	softlockup_panic=1
	nmi_watchdog=panic
	oops=panic
	load_ramdisk=2
	prompt_ramdisk=0
	drbd.minor_count=8
	systemd.log_level=err
	ignore_loglevel
	console=tty0
	earlyprintk=ttyS0,115200
	console=ttyS0,115200
	vga=normal
	rw
	rcuperf.shutdown=0
	watchdog_thresh=60
)

"${kvm[@]}" -append "${append[*]}"
