KERN: Keyboard Requested Halt.
KERN: Welcome to Kernel Debugging Land...
KERN: Thread 4 "idle thread 4" running on CPU 0
KERN: kdebug> bt 1323stack trace for thread 1323 "bash"
KERN:     kernel stack: 0x823c9000 to 0x823cd000
KERN:       user stack: 0x70f0f000 to 0x71f0f000
KERN: frame               caller     <image>:function + offset
KERN:  0 823cc75c (+ 112) 8008eba2   <kernel_x86> reschedule() + 0x552
KERN:  1 823cc7cc (+  96) 80051a14   <kernel_x86> ConditionVariableEntry<0x823cc86c>::Wait(uint32: 0x20 (32), int64: 0) + 0x23c
KERN:  2 823cc82c (+  96) 80065881   <kernel_x86> read_port_etc + 0x175
KERN:  3 823cc88c (+1440) 800a21ba   <kernel_x86> debug_debugger_message::thread_hit_debug_event_internal(0x8, int32: -2109944092, true, 0x6e720001) + 0x38e
KERN:  4 823cce2c (+  96) 800a24c2   <kernel_x86> debug_debugger_message::thread_hit_debug_event(0x8, int32: -2109944092, true) + 0x2e
KERN:  5 823cce8c (+  48) 800a256e   <kernel_x86> debug_debugger_message::thread_hit_serious_debug_event(0x8, int32: -2109944092) + 0x2a
KERN:  6 823ccebc (+  80) 800a2789   <kernel_x86> user_debug_exception_occurred + 0x45
KERN:  7 823ccf0c (+ 144) 80137d9d   <kernel_x86> x86_unexpected_exception + 0x131
KERN:  8 823ccf9c (+  12) 8012b99e   <kernel_x86> int_bottom_user + 0x6f
KERN: user iframe at 0x823ccfa8 (end = 0x823cd000)
KERN:  eax 0x71f0e9be    ebx 0x216d038      ecx 0xc8        edx 0x71f0e830
KERN:  esi 0x216deb4     edi 0x18d6c600     ebp 0x71f0e9c0  esp 0x823ccfdc
KERN:  eip 0x20bf078  eflags 0x13206   user esp 0x71f0e1a8
KERN:  vector: 0x6, error code: 0x0
KERN:  9 823ccfa8 (+   0) 020bf078   <_APP_> yyparse + 0x1c8
KERN: 10 71f0e9c0 (+  32) 020cac57   <_APP_> parse_command + 0x7f
KERN: 11 71f0e9e0 (+  48) 0212d0dc   <_APP_> parse_and_execute + 0x150
KERN: 12 71f0ea10 (+  48) 020c97f3   <_APP_> disable_priv_mode (nearest) + 0x323
KERN: 13 71f0ea40 (+ 112) 020c8999   <_APP_> main + 0x7ed
KERN: 14 71f0eab0 (+  48) 020bdf7b   <_APP_> _start + 0x5b
KERN: 15 71f0eae0 (+  48) 00787d82   </boot/system/runtime_loader@0x00778000> <unknown> + 0xfd82
KERN: 16 71f0eb10 (+   0) 60dde250   <commpage> commpage_thread_exit + 0x00
KERN: kdebug> in_context 1323 dis -b 100x020bf042:         8d547afe     lea -0x2(%edx,%edi,2), %edx
KERN: 0x020bf046:     899520f8ffff      mov %edx, 0xfffff820(%ebp)
KERN: 0x020bf04c:     8b8d1cf8ffff      mov 0xfffff81c(%ebp), %ecx
KERN: 0x020bf052:         8d7cf9f8      lea -0x8(%ecx,%edi,8), %edi
KERN: 0x020bf056:     89bd18f8ffff      mov %edi, 0xfffff818(%ebp)
KERN: 0x020bf05c:     8b9514f8ffff      mov 0xfffff814(%ebp), %edx
KERN: 0x020bf062:     8b8d24f8ffff      mov 0xfffff824(%ebp), %ecx
KERN: 0x020bf068:         8d4451fe      lea -0x2(%ecx,%edx,2), %eax
KERN: 0x020bf06c:     3b8520f8ffff      cmp 0xfffff820(%ebp), %eax
KERN: 0x020bf072:     0f8688190000      jbe 0x20c0a00
KERN: 0x020bf078:   83bd2cf8ffff66      cmp $0x66, 0xfffff82c(%ebp)
KERN: 0x020bf07f:     0f8477190000      jz 0x20c09fc
KERN: 0x020bf085:     8b852cf8ffff      mov 0xfffff82c(%ebp), %eax
KERN: 0x020bf08b: 0fbf84433a58feff      movsxw 0xfffe583a(%ebx,%eax,2), %eax
KERN: 0x020bf093:     898510f8ffff      mov %eax, 0xfffff810(%ebp)
KERN: 0x020bf099:       3d42ffffff      cmp $0xffffff42, %eax
KERN: 0x020bf09e:     0f84e0000000      jz 0x20bf184
KERN: 0x020bf0a4:     8bb3100c0000      mov 0xc10(%ebx), %esi
KERN: 0x020bf0aa:           833efe      cmp $0xfe, (%esi)
KERN: 0x020bf0ad:             7507      jnz 0x20bf0b6
KERN: kdebug> mapping 0x020bf078 1323page directory: 0xf321a000 (PDPT[0])
KERN: page directory entry 16 (0xf321a080): 0xa4873027
KERN:   access:  present writable user executable
KERN:   caching:
KERN:   flags:   accessed
KERN: page table: 0xa4873000
KERN: page table entry 191 (phys: 0xa48735f8): 0x5c5025
KERN:   access:  present user executable global
KERN:   caching:
KERN:   flags:   accessed
KERN:   address: 0x5c5000
KERN: kdebug> exit