bt
stack trace for thread 1054 "mountvolume"
    kernel stack: 0x84b28000 to 0x84b2c000
      user stack: 0x7efef000 to 0x7ffef000
frame               caller     <image>:function + offset
 0 84b2b90c (+  48) 800669d0   <kernel_x86> invoke_command_trampoline(0x84b2b9a4) + 0x001c
 1 84b2b93c (+  12) 800df10b   <kernel_x86>:arch_debug_call_with_fault_handler + 0x001b
 2 84b2b948 (+  48) 8006586c   <kernel_x86>:debug_call_with_fault_handler + 0x0054
 3 84b2b978 (+  64) 80066c29   <kernel_x86>:invoke_debugger_command + 0x00b9
 4 84b2b9b8 (+  64) 80066a55   <kernel_x86> invoke_pipe_segment(debugger_command_pipe*: 0x843ea030, int32: 0, 0x0 "<NULL>") + 0x0079
 5 84b2b9f8 (+  64) 80066d94   <kernel_x86>:invoke_debugger_command_pipe + 0x009c
 6 84b2ba38 (+  48) 80068790   <kernel_x86> ExpressionParser<0x84b2bae8>::_ParseCommandPipe(0x84b2bae4) + 0x0234
 7 84b2ba68 (+  64) 80067bca   <kernel_x86> ExpressionParser<0x84b2bae8>::EvaluateCommand(0x8012ac60 "bt", 0x84b2bae4) + 0x02ba
 8 84b2baa8 (+ 224) 80069ba4   <kernel_x86>:evaluate_debug_command + 0x0080
 9 84b2bb88 (+  64) 80064886   <kernel_x86> kernel_debugger_loop(0x84b2bc68 "vm_page_fault: unhandled page fault in kernel space at 0xdeadbeef, ip 0x8009077e
", int32: 0) + 0x0276
10 84b2bbc8 (+  48) 80064ada   <kernel_x86> kernel_debugger_internal(0x84b2bc68 "vm_page_fault: unhandled page fault in kernel space at 0xdeadbeef, ip 0x8009077e
", int32: 0) + 0x0042
11 84b2bbf8 (+  48) 80065967   <kernel_x86>:kernel_debugger + 0x0023
12 84b2bc28 (+ 192) 80065939   <kernel_x86>:panic + 0x0029
13 84b2bce8 (+  64) 800cbe22   <kernel_x86>:vm_page_fault + 0x013a
14 84b2bd28 (+  80) 800dba52   <kernel_x86> page_fault_exception(iframe*: 0x84b2bd84) + 0x0176
15 84b2bd78 (+  12) 800df4ad   <kernel_x86>:int_bottom + 0x003d
kernel iframe at 0x84b2bd84 (end = 0x84b2bdd4)
 eax 0xdeadbeef     ebx 0x12            ecx 0x84b2be90   edx 0x0
 esi 0x13           edi 0x81409870      ebp 0x84b2bdd4   esp 0x84b2bdb8
 eip 0x8009077e  eflags 0x210293
 vector: 0xe, error code: 0x0
16 84b2bd84 (+  80) 8009077e   <kernel_x86> BPrivate::DiskDevice::KPartition<0xdeadbeef>::ID(BPrivate::DiskDevice::KPartition: 0x84b2be00) + 0x0006
17 84b2bdd4 (+  64) 80094a8e
[*** READ FAULT at 0xffffffff, pc: 0x800ed41b ***]
kdebug>