mapping local apic at 0x81812000 add_memory_type_range(92, 0xfee00000, 0x1000, 0) setting up apic for CPU 0: apic id 0, version 327700 CPU 0: logical apic id: 0x1 x86_init_fpu: CPU has SSE... enabling FXSR and XMM. reserve_io_interrupt_vectors: reserved 1 vectors starting from 219 arch_init_timer: using APIC timer. allocate_commpage_entry(2, 12) -> 0x00000100 scheduler_init: found 1 logical cpu and 0 cache levels scheduler switches: single core: true, cpu load tracking: false, core load tracking: false scheduler: switching to low latency mode apm_init() code32: 0x0, 0x0, length 0x0 code16: 0x0, length 0x0 data: 0x0, length 0x0 msi support enabled PCI: pci_module_init add_memory_type_range(98, 0x0, 0x1000, 0) remove_memory_type_range(98, 0x0, 0x1000, 0) add_memory_type_range(99, 0x9f000, 0x1000, 0) remove_memory_type_range(99, 0x9f000, 0x1000, 0) add_memory_type_range(100, 0xe0000, 0x20000, 0) add_memory_type_range(101, 0x1fff0000, 0x1000, 0) remove_memory_type_range(100, 0xe0000, 0x20000, 0) add_memory_type_range(102, 0x1fff0000, 0x1000, 0) remove_memory_type_range(102, 0x1fff0000, 0x1000, 0) add_memory_type_range(103, 0x1fff0000, 0x1000, 0) remove_memory_type_range(103, 0x1fff0000, 0x1000, 0) add_memory_type_range(104, 0x1fff0000, 0x1000, 0) remove_memory_type_range(104, 0x1fff0000, 0x1000, 0) add_memory_type_range(105, 0x1fff0000, 0x1000, 0) remove_memory_type_range(105, 0x1fff0000, 0x1000, 0) add_memory_type_range(106, 0x1fff0000, 0x1000, 0) PCI: mechanism addr: dc000000, seg: 0, start: 0, end: 3f add_memory_type_range(107, 0xdc000000, 0x4000000, 0) PCI: mechanism pcie controller found PCI: FixupDevices: checking bus 1 behind 8086:2448 PCI: FixupDevices: checking bus 2 behind 8086:2448 PCI: dom 0, bus 0, dev 24, func 0, changed PCI bridge control from 0x0c23 to 0x0c23 PCI: dom 0, bus 0, dev 25, func 0, changed PCI bridge control from 0x0c23 to 0x0c23 PCI: [dom 0, bus 0] bus 0, device 2, function 0: vendor 80ee, device beef, revision 00 PCI: class_base 03, class_function 00, class_api 00 PCI: vendor 80ee: InnoTek Systemberatung GmbH PCI: device beef: VirtualBox Graphics Adapter PCI: info: Display controller (VGA compatible controller, VGA controller) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 0a, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host e0000000, pci e0000000, size 08000000, flags 08 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 3, function 0: vendor 8086, device 100e, revision 02 PCI: class_base 02, class_function 00, class_api 00 PCI: vendor 8086: Intel Corporation PCI: device 100e: 82540EM Gigabit Ethernet Controller (PRO/1000 MT Desktop Adapter) PCI: info: Network controller (Ethernet controller) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 001e, subsystem_vendor_id 8086 PCI: interrupt_line 09, interrupt_pin 01, min_grant ff, max_latency 00 PCI: base reg 0: host e8000000, pci e8000000, size 00020000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 0000d000, pci 0000d000, size 00000008, flags 01 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: PM, PCI-X PCI: [dom 0, bus 0] bus 0, device 4, function 0: vendor 80ee, device cafe, revision 00 PCI: class_base 08, class_function 80, class_api 00 PCI: vendor 80ee: InnoTek Systemberatung GmbH PCI: device cafe: VirtualBox Guest Service PCI: info: Generic system peripheral PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 05, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host 0000d020, pci 0000d020, size 00000020, flags 01 PCI: base reg 1: host e8400000, pci e8400000, size 00400000, flags 00 PCI: base reg 2: host e8800000, pci e8800000, size 00004000, flags 08 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 5, function 0: vendor 8086, device 2668, revision 01 PCI: class_base 04, class_function 03, class_api 00 PCI: vendor 8086: Intel Corporation PCI: device 2668: 82801FB/FBM/FR/FW/FRW (ICH6 Family) High Definition Audio Controller PCI: info: Multimedia controller (Audio device) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 7680, subsystem_vendor_id 8384 PCI: interrupt_line 0b, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host e8804000, pci e8804000, size 00004000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: MSI, PM PCI: [dom 0, bus 0] bus 0, device 7, function 0: vendor 8086, device 7113, revision 08 PCI: class_base 06, class_function 80, class_api 00 PCI: vendor 8086: Intel Corporation PCI: device 7113: 82371AB/EB/MB PIIX4 ACPI PCI: info: Bridge PCI: line_size 00, latency 00, header_type 80, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 09, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 24, function 0: vendor 8086, device 2448, revision f2 PCI: class_base 06, class_function 04, class_api 01 PCI: vendor 8086: Intel Corporation PCI: device 2448: 82801 Mobile PCI Bridge PCI: info: Bridge (PCI bridge, Subtractive decode) PCI: line_size 00, latency 00, header_type 01, BIST 00 PCI: subsystem_id 0000, subsystem_vendor_id 0000 PCI: primary_bus 00, secondary_bus 01, subordinate_bus 01, secondary_latency 00 PCI: I/O window f000-0fff PCI: memory window fff00000-000fffff PCI: prefetchable memory window 00000000fff00000-00000000000fffff PCI: bridge_control 0c23, secondary_status 0000 PCI: interrupt_line 00, interrupt_pin 00 PCI: ROM base host 00000000, pci 00000000, size ?? PCI: base reg 0: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 25, function 0: vendor 8086, device 2448, revision f2 PCI: class_base 06, class_function 04, class_api 01 PCI: vendor 8086: Intel Corporation PCI: device 2448: 82801 Mobile PCI Bridge PCI: info: Bridge (PCI bridge, Subtractive decode) PCI: line_size 00, latency 00, header_type 01, BIST 00 PCI: subsystem_id 0000, subsystem_vendor_id 0000 PCI: primary_bus 00, secondary_bus 02, subordinate_bus 02, secondary_latency 00 PCI: I/O window f000-0fff PCI: memory window fff00000-000fffff PCI: prefetchable memory window 00000000fff00000-00000000000fffff PCI: bridge_control 0c23, secondary_status 0000 PCI: interrupt_line 00, interrupt_pin 00 PCI: ROM base host 00000000, pci 00000000, size ?? PCI: base reg 0: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 31, function 0: vendor 8086, device 27b9, revision 02 PCI: class_base 06, class_function 01, class_api 00 PCI: vendor 8086: Intel Corporation PCI: device 27b9: 82801GBM (ICH7-M) LPC Interface Bridge PCI: info: Bridge (ISA bridge) PCI: line_size 00, latency 00, header_type 80, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 7270, subsystem_vendor_id 8086 PCI: interrupt_line 00, interrupt_pin 00, min_grant 00, max_latency 00 PCI: base reg 0: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: (not supported) PCI: [dom 0, bus 0] bus 0, device 31, function 2: vendor 8086, device 2829, revision 02 PCI: class_base 01, class_function 06, class_api 01 PCI: vendor 8086: Intel Corporation PCI: device 2829: 82801HM/HEM (ICH8M/ICH8M-E) SATA Controller [AHCI mode] PCI: info: Mass storage controller (SATA controller, AHCI 1.0) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 09, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host 0000d040, pci 0000d040, size 00000008, flags 01 PCI: base reg 1: host 0000d048, pci 0000d048, size 00000004, flags 01 PCI: base reg 2: host 0000d050, pci 0000d050, size 00000008, flags 01 PCI: base reg 3: host 0000d058, pci 0000d058, size 00000004, flags 01 PCI: base reg 4: host 0000d060, pci 0000d060, size 00000010, flags 01 PCI: base reg 5: host e8808000, pci e8808000, size 00002000, flags 00 PCI: Capabilities: MSI, PM, SATA PCI: [dom 0, bus 0] bus 0, device 31, function 4: vendor 106b, device 003f, revision 00 PCI: class_base 0c, class_function 03, class_api 10 PCI: vendor 106b: Apple Inc. PCI: device 003f: KeyLargo/Intrepid USB PCI: info: Serial bus controller (USB controller, OHCI) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 09, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host e880a000, pci e880a000, size 00001000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: MSI PCI: [dom 0, bus 0] bus 0, device 31, function 5: vendor 8086, device 265c, revision 00 PCI: class_base 0c, class_function 03, class_api 20 PCI: vendor 8086: Intel Corporation PCI: device 265c: 82801FB/FBM/FR/FW/FRW (ICH6 Family) USB2 EHCI Controller PCI: info: Serial bus controller (USB controller, EHCI) PCI: line_size 00, latency 00, header_type 00, BIST 00 PCI: ROM base host 00000000, pci 00000000, size 00000000 PCI: cardbus_CIS 00000000, subsystem_id 0000, subsystem_vendor_id 0000 PCI: interrupt_line 09, interrupt_pin 01, min_grant 00, max_latency 00 PCI: base reg 0: host e880b000, pci e880b000, size 00001000, flags 00 PCI: base reg 1: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 2: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 3: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 4: host 00000000, pci 00000000, size 00000000, flags 00 PCI: base reg 5: host 00000000, pci 00000000, size 00000000, flags 00 PCI: Capabilities: MSI add_memory_type_range(109, 0x0, 0x1000, 0) remove_memory_type_range(109, 0x0, 0x1000, 0) add_memory_type_range(110, 0x9f000, 0x1000, 0) remove_memory_type_range(110, 0x9f000, 0x1000, 0) add_memory_type_range(111, 0xe0000, 0x20000, 0) remove_memory_type_range(111, 0xe0000, 0x20000, 0) add_memory_type_range(112, 0xe0000, 0x1000, 0) ACPI: RSDP 0x00000000000E0000 000024 (v02 VBOX ) remove_memory_type_range(112, 0xe0000, 0x1000, 0) add_memory_type_range(113, 0x1fff0000, 0x1000, 0) ACPI: XSDT 0x000000001FFF0040 00004C (v01 VBOX VBOXXSDT 00000001 ASL 00000061) remove_memory_type_range(113, 0x1fff0000, 0x1000, 0) add_memory_type_range(114, 0x1fff0000, 0x1000, 0) add_memory_type_range(115, 0x1fff0000, 0x1000, 0) remove_memory_type_range(115, 0x1fff0000, 0x1000, 0) add_memory_type_range(116, 0x1fff0000, 0x1000, 0) ACPI: FACP 0x000000001FFF0110 0000F4 (v04 VBOX VBOXFACP 00000001 ASL 00000061) remove_memory_type_range(116, 0x1fff0000, 0x1000, 0) add_memory_type_range(117, 0x1fff0000, 0x1000, 0) remove_memory_type_range(117, 0x1fff0000, 0x1000, 0) add_memory_type_range(118, 0x1fff0000, 0x1000, 0) remove_memory_type_range(118, 0x1fff0000, 0x1000, 0) add_memory_type_range(119, 0x1fff0000, 0x3000, 0) ACPI: DSDT 0x000000001FFF0530 0021C8 (v02 VBOX VBOXBIOS 00000002 INTL 20160108) remove_memory_type_range(119, 0x1fff0000, 0x3000, 0) add_memory_type_range(120, 0x1fff0000, 0x1000, 0) remove_memory_type_range(120, 0x1fff0000, 0x1000, 0) add_memory_type_range(121, 0x1fff0000, 0x1000, 0) ACPI: FACS 0x000000001FFF0240 000040 remove_memory_type_range(121, 0x1fff0000, 0x1000, 0) add_memory_type_range(122, 0x1fff0000, 0x1000, 0) remove_memory_type_range(122, 0x1fff0000, 0x1000, 0) add_memory_type_range(123, 0x1fff0000, 0x1000, 0) ACPI: FACS 0x000000001FFF0240 000040 remove_memory_type_range(123, 0x1fff0000, 0x1000, 0) add_memory_type_range(124, 0x1fff0000, 0x1000, 0) remove_memory_type_range(124, 0x1fff0000, 0x1000, 0) add_memory_type_range(125, 0x1fff0000, 0x1000, 0) ACPI: APIC 0x000000001FFF0280 000054 (v02 VBOX VBOXAPIC 00000001 ASL 00000061) remove_memory_type_range(125, 0x1fff0000, 0x1000, 0) add_memory_type_range(126, 0x1fff0000, 0x1000, 0) remove_memory_type_range(126, 0x1fff0000, 0x1000, 0) add_memory_type_range(127, 0x1fff0000, 0x1000, 0) ACPI: HPET 0x000000001FFF02E0 000038 (v01 VBOX VBOXHPET 00000001 ASL 00000061) remove_memory_type_range(127, 0x1fff0000, 0x1000, 0) add_memory_type_range(128, 0x1fff0000, 0x1000, 0) remove_memory_type_range(128, 0x1fff0000, 0x1000, 0) add_memory_type_range(129, 0x1fff0000, 0x1000, 0) ACPI: MCFG 0x000000001FFF0320 00003C (v01 VBOX VBOXMCFG 00000001 ASL 00000061) remove_memory_type_range(129, 0x1fff0000, 0x1000, 0) add_memory_type_range(130, 0x1fff0000, 0x1000, 0) remove_memory_type_range(130, 0x1fff0000, 0x1000, 0) add_memory_type_range(131, 0x1fff0000, 0x1000, 0) ACPI: SSDT 0x000000001FFF0360 0001CC (v01 VBOX VBOXCPUT 00000002 INTL 20160108) remove_memory_type_range(131, 0x1fff0000, 0x1000, 0) remove_memory_type_range(114, 0x1fff0000, 0x1000, 0) add_memory_type_range(132, 0x1fff0000, 0x3000, 0) remove_memory_type_range(132, 0x1fff0000, 0x3000, 0) ACPI: Forced DSDT copy: length 0x021C8 copied locally, original unmapped ACPI: Executed 1 blocks of module-level executable AML code add_memory_type_range(133, 0x1fff0000, 0x1000, 0) ACPI: 2 ACPI AML tables successfully acquired and loaded add_memory_type_range(134, 0x1fff0000, 0x1000, 0) ACPI: Enabled 2 GPEs in block 00 to 07 add_memory_type_range(135, 0x1fff0000, 0x1000, 0) found io-apic with address 0xfec00000, global interrupt base 0, apic-id 1 mapping io-apic 0 at physical address 0xfec00000 add_memory_type_range(136, 0xfec00000, 0x1000, 0) io-apic 0 has range 0-23, 24 entries, version 0x00170020, apic-id 1 setting ACPI interrupt model to APIC IRQ routing table with 6 entries address 0x2ffff; pin 0; GSI 18; pci 0:2 pin 1 func mask 1; bios irq: 10; gsi 18; config 0x06 address 0x3ffff; pin 0; GSI 19; pci 0:3 pin 1 func mask 1; bios irq: 9; gsi 19; config 0x06 address 0x4ffff; pin 0; GSI 20; pci 0:4 pin 1 func mask 1; bios irq: 5; gsi 20; config 0x06 address 0x5ffff; pin 0; GSI 21; pci 0:5 pin 1 func mask 1; bios irq: 11; gsi 21; config 0x06 address 0x7ffff; pin 0; GSI 23; pci 0:7 pin 1 func mask 1; bios irq: 9; gsi 23; config 0x06 address 0x1fffff; pin 0; GSI 23; pci 0:31 pin 1 func mask 34; bios irq: 9; gsi 23; config 0x06 found interrupt override for bus 0, source irq 0, global irq 2, flags 0x00000000 found interrupt override for bus 0, source irq 9, global irq 9, flags 0x0000000d free_io_interrupt_vectors: freeing 16 vectors starting from 0 reserve_io_interrupt_vectors: reserved 24 vectors starting from 0 using io-apics for interrupt routing slab memory manager: created area 0x80801000 (147) initialize_commpage_syscall(): sysenter/sysexit supported allocate_commpage_entry(3, 5) -> 0x00000110 allocate_commpage_entry(4, 34) -> 0x00000118 allocate_commpage_entry(5, 74) -> 0x00000140 allocate_commpage_entry(6, 82) -> 0x00000190 allocate_commpage_entry(7, 97) -> 0x000001e8 vm_page_fault: kernel thread accessing invalid user memory! vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0xc, ip 0x800894f7, write 0, user 0, thread 0xf PANIC: vm_page_fault: unhandled page fault in kernel space at 0xc, ip 0x800894f7 Welcome to Kernel Debugging Land... Thread 15 "main2" running on CPU 0 stack trace for thread 15 "main2" kernel stack: 0x81820000 to 0x81824000 frame caller :function + offset 0 81823ab4 (+ 32) 8013ff7f arch_debug_stack_trace() + 0x0f 1 81823ad4 (+ 12) 8013013a arch_debug_call_with_fault_handler() + 0x1b 2 81823ae0 (+ 48) 8009d503 debug_call_with_fault_handler() + 0x53 3 81823b10 (+ 80) 8009ecb1 _ZL20kernel_debugger_loopPKcS0_Pcl() + 0x2f1 4 81823b60 (+ 64) 8009edc8 _ZL24kernel_debugger_internalPKcS0_Pcl() + 0x58 5 81823ba0 (+ 32) 8009f061 panic() + 0x31 6 81823bc0 (+ 160) 8011aa13 vm_page_fault() + 0x363 7 81823c60 (+ 96) 80141194 x86_page_fault_exception() + 0xc4 8 81823cc0 (+ 12) 8013395c int_bottom() + 0x3c kernel iframe at 0x81823ccc (end = 0x81823d1c) eax 0x200246 ebx 0x0 ecx 0xf edx 0x0 esi 0xf edi 0x0 ebp 0x81823d24 esp 0x81823d00 eip 0x800894f7 eflags 0x210202 vector: 0xe, error code: 0x0 9 81823ccc (+ 88) 800894f7 recursive_lock_lock() + 0x37 10 81823d24 (+ 48) 800d1104 _ZN8BPrivate10DiskDevice18KDiskDeviceManager14RegisterDeviceElb() + 0x14 11 81823d54 (+ 48) 800d1bc8 _ZN8BPrivate10DiskDevice18KDiskDeviceManager16DeleteFileDeviceEl() + 0x18 12 81823d84 (+ 400) 800ed8f2 _ZL8fs_mountPcPKcS1_mS1_b() + 0x102 13 81823f14 (+ 64) 800f1f7c _kern_mount() + 0x4c 14 81823f54 (+ 48) 800f678e vfs_bootstrap_file_systems() + 0x1e 15 81823f84 (+ 64) 8005a3fd _ZL5main2Pv() + 0x5d 16 81823fc4 (+ 32) 800802b6 _ZL19common_thread_entryPv() + 0x36 kdebug> bt stack trace for thread 15 "main2" kernel stack: 0x81820000 to 0x81824000 frame caller :function + offset 0 81823894 (+ 32) 8009fe67 _ZL25invoke_command_trampolinePv() + 0x17 1 818238b4 (+ 12) 8013013a arch_debug_call_with_fault_handler() + 0x1b 2 818238c0 (+ 48) 8009d503 debug_call_with_fault_handler() + 0x53 3 818238f0 (+ 80) 800a002e invoke_debugger_command() + 0x8e 4 81823940 (+ 64) 800a020a _ZL19invoke_pipe_segmentP21debugger_command_pipelPc() + 0xfa 5 81823980 (+ 48) 800a0300 invoke_debugger_command_pipe() + 0x90 6 818239b0 (+ 64) 800a3d37 _ZN16ExpressionParser17_ParseCommandPipeERi() + 0x107 7 818239f0 (+ 80) 800aa3d7 _ZN16ExpressionParser15EvaluateCommandEPKcRi() + 0x307 8 81823a40 (+ 208) 800abdbd evaluate_debug_command() + 0x10d 9 81823b10 (+ 80) 8009eb92 _ZL20kernel_debugger_loopPKcS0_Pcl() + 0x1d2 10 81823b60 (+ 64) 8009edc8 _ZL24kernel_debugger_internalPKcS0_Pcl() + 0x58 11 81823ba0 (+ 32) 8009f061 panic() + 0x31 12 81823bc0 (+ 160) 8011aa13 vm_page_fault() + 0x363 13 81823c60 (+ 96) 80141194 x86_page_fault_exception() + 0xc4 14 81823cc0 (+ 12) 8013395c int_bottom() + 0x3c kernel iframe at 0x81823ccc (end = 0x81823d1c) eax 0x200246 ebx 0x0 ecx 0xf edx 0x0 esi 0xf edi 0x0 ebp 0x81823d24 esp 0x81823d00 eip 0x800894f7 eflags 0x210202 vector: 0xe, error code: 0x0 15 81823ccc (+ 88) 800894f7 recursive_lock_lock() + 0x37 16 81823d24 (+ 48) 800d1104 _ZN8BPrivate10DiskDevice18KDiskDeviceManager14RegisterDeviceElb() + 0x14 17 81823d54 (+ 48) 800d1bc8 _ZN8BPrivate10DiskDevice18KDiskDeviceManager16DeleteFileDeviceEl() + 0x18 18 81823d84 (+ 400) 800ed8f2 _ZL8fs_mountPcPKcS1_mS1_b() + 0x102 19 81823f14 (+ 64) 800f1f7c _kern_mount() + 0x4c 20 81823f54 (+ 48) 800f678e vfs_bootstrap_file_systems() + 0x1e 21 81823f84 (+ 64) 8005a3fd _ZL5main2Pv() + 0x5d 22 81823fc4 (+ 32) 800802b6 _ZL19common_thread_entryPv() + 0x36 kdebug>