| 1 | port 0: device removed
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| 2 | usb hub 2: usb error uhci 0: td (0x020f6f00) error: status: 0x204507ff; token: 0
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| 3 | x07e08569;
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| 4 | port 0 disabled
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| 5 | usb_midi: usb_midi_removed(midi/usb/0)
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| 6 | usb_midi: bus status -2147442668
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| 7 | usb_midi: bus status -2147483636
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| 8 | usb_midi: midi/usb/0 still open
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| 9 | usb_midi: publish_devices()
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| 10 | usb_midi: close(midi/usb/0)
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| 11 | usb_midi: close -- removing device info midi/usb/0
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| 12 | usb_midi: free(midi/usb/0)
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| 13 | usb_midi: free -- removing midi/usb/0
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| 14 | usb_midi: remove_device 0x810cbca8
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| 15 | usb error uhci 0: td (0x020f7b00) error: status: 0x300507ff; token: 0x07e08569;
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| 16 | usb_midi: uninit_driver()
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| 17 | vm_soft_fault: va 0xdeadb000 not covered by area in address space
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| 18 | vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0xdeadbf0f
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| 19 | , ip 0x8007a7ff, write 1, user 0, thread 0x105
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| 20 | PANIC: vm_page_fault: unhandled page fault in kernel space at 0xdeadbf0f, ip 0x8
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| 21 | 007a7ff
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| 22 |
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| 23 | Welcome to Kernel Debugging Land...
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| 24 | Thread 261 "/dev/midi/usb/0 reader" running on CPU 0
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| 25 | kdebug> sc
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| 26 | stack trace for thread 261 "/dev/midi/usb/0 reader"
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| 27 | kernel stack: 0x83a43000 to 0x83a47000
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| 28 | user stack: 0x70104000 to 0x70144000
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| 29 | frame caller <image>:function + offset
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| 30 | 0 83a46a10 (+ 48) 80062379 <kernel_x86>:invoke_debugger_command + 0x00f5
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| 31 | 1 83a46a40 (+ 64) 80062169 <kernel_x86> invoke_pipe_segment(debugger_command
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| 32 | _pipe*: 0x8012f380, int32: 0, 0x0 "<NULL>") + 0x0079
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| 33 | 2 83a46a80 (+ 64) 800624f0 <kernel_x86>:invoke_debugger_command_pipe + 0x009
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| 34 | c
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| 35 | 3 83a46ac0 (+ 48) 80063aa0 <kernel_x86> ExpressionParser<0x83a46b74>::_Parse
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| 36 | CommandPipe(0x83a46b70) + 0x0234
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| 37 | 4 83a46af0 (+ 64) 80062eda <kernel_x86> ExpressionParser<0x83a46b74>::Evalua
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| 38 | teCommand(0x8011fc00 "sc", 0x83a46b70) + 0x02ba
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| 39 | 5 83a46b30 (+ 224) 80064ec8 <kernel_x86>:evaluate_debug_command + 0x0088
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| 40 | 6 83a46c10 (+ 64) 800601f2 <kernel_x86> kernel_debugger_loop() + 0x01ae
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| 41 | 7 83a46c50 (+ 32) 800610f9 <kernel_x86>:kernel_debugger + 0x004d
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| 42 | 8 83a46c70 (+ 192) 800610a1 <kernel_x86>:panic + 0x0029
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| 43 | 9 83a46d30 (+ 80) 800c5255 <kernel_x86>:vm_page_fault + 0x0139
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| 44 | 10 83a46d80 (+ 64) 800d537d <kernel_x86>:page_fault_exception + 0x00d9
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| 45 | 11 83a46dc0 (+ 12) 800d8a76 <kernel_x86>:int_bottom + 0x0036
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| 46 | kernel iframe at 0x83a46dcc (end = 0x83a46e1c)
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| 47 | eax 0xdeadbeef ebx 0x81069cb0 ecx 0x1 edx 0x246
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| 48 | esi 0x80f1f5f0 edi 0x82d13800 ebp 0x83a46e34 esp 0x83a46e00
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| 49 | eip 0x8007a7ff eflags 0x10282
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| 50 | vector: 0xe, error code: 0x2
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| 51 | 12 83a46dcc (+ 104) 8007a7ff <kernel_x86> LegacyDevice<0x81069cb0>::UninitDevi
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| 52 | ce(0x0, 0x810abfc8, 0x701414cc) + 0x0047
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| 53 | 13 83a46e34 (+ 48) 8007339c <kernel_x86> devfs_free_cookie(fs_volume*: 0x80ed
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| 54 | f398, fs_vnode*: 0x810cc2a8, 0x80f1f5f0) + 0x0048
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| 55 | 14 83a46e64 (+ 48) 800a1e3a <kernel_x86> file_free_fd(file_descriptor*: 0x810
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| 56 | abfc8) + 0x002e
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| 57 | 15 83a46e94 (+ 48) 8008ff14 <kernel_x86>:put_fd + 0x0038
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| 58 | 16 83a46ec4 (+ 64) 8008fffe <kernel_x86>:close_fd_index + 0x0032
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| 59 | 17 83a46f04 (+ 32) 80090d0d <kernel_x86> common_close(int32: 3, false) + 0x00
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| 60 | 31
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| 61 | 18 83a46f24 (+ 32) 800915e4 <kernel_x86>:_user_close + 0x0018
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| 62 | 19 83a46f44 (+ 100) 800d8ca2 <kernel_x86>:handle_syscall + 0x00af
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| 63 | user iframe at 0x83a46fa8 (end = 0x83a47000)
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| 64 | eax 0x8a ebx 0x578bb4 ecx 0x70143f00 edx 0xffff0104
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| 65 | esi 0xffffffff edi 0x1804d080 ebp 0x70143f2c esp 0x83a46fdc
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| 66 | eip 0xffff0104 eflags 0x203 user esp 0x70143f00
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| 67 | vector: 0x63, error code: 0x0
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| 68 | 20 83a46fa8 (+ 0) ffff0104 <commpage>:commpage_syscall + 0x0004
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| 69 | 21 70143f2c (+ 80) 0020afca <_APP_> MidiPortProducer<0x1804d080>::GetData(0x0
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| 70 | ) + 0x009e
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| 71 | 22 70143f7c (+ 48) 0020af23 <_APP_> MidiPortProducer<0x1804d080>::_ReaderThre
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| 72 | ad(NULL) + 0x001f
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| 73 | 23 70143fac (+ 48) 004ebd78 <libroot.so>:_get_next_team_info (nearest) + 0x00
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| 74 | 5c
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| 75 | 24 70143fdc (+ 0) 70143fec 2664:/dev/midi/usb/0 reader_261_stac@0x70104000 +
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| 76 | 0x3ffec
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| 77 | kdebug>
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