| 1 | original message
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| 2 | bt
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| 3 | aspace 0x82868278
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| 4 | cache_info -x 0xg1 d19f0 8709 8 (lots of typos for "0xd19f8708"
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| 5 | info
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| 6 | note: upon `on_exit sync`,`exit` a 2nd kdl occurred. only bt and aspaces were grabbed.
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| 7 | "PANIC: to be freed page 0x82868278 has mappings"
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| 8 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 9 |
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| 10 | PANIC: remove page 0x82868278 from cache 0xd19f8708: page still has mappings!
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| 11 |
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| 12 | Welcome to Kernel Debugging Land...
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| 13 | Thread 3 "undertaker" running on CPU 1
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| 14 | kdebug> dmbt
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| 15 | Unknown command "dmbt". Enter "help" to get a list of all supported commands.
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| 16 | kdebug> bt
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| 17 | stack trace for thread 3 "undertaker"
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| 18 | kernel stack: 0xffff8000 to 0xffffc000
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| 19 | frame caller <image>:function + offset
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| 20 | 0 ffffba4c (+ 48) 8006bd84 <kernel_x86>:debug_builtin_commands_init (nearest) + 0x01e0
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| 21 | 1 ffffba7c (+ 12) 800e7d13 <kernel_x86>:arch_debug_call_with_fault_handler + 0x001b
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| 22 | 2 ffffba88 (+ 48) 8006af50 <kernel_x86>:debug_call_with_fault_handler + 0x0060
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| 23 | 3 ffffbab8 (+ 64) 8006bfdd <kernel_x86>:invoke_debugger_command + 0x00b9
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| 24 | 4 ffffbaf8 (+ 64) 8006be09 <kernel_x86>:debug_builtin_commands_init (nearest) + 0x0265
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| 25 | 5 ffffbb38 (+ 64) 8006c148 <kernel_x86>:invoke_debugger_command_pipe + 0x009c
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| 26 | 6 ffffbb78 (+ 48) 8006db44 <kernel_x86> ExpressionParser<0xffffbc28>::_ParseCommandPipe(0xffffbc24) + 0x0234
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| 27 | 7 ffffbba8 (+ 64) 8006cf7e <kernel_x86> ExpressionParser<0xffffbc28>::EvaluateCommand(0x80134ce0 "bt", 0xffffbc24) + 0x02ba
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| 28 | 8 ffffbbe8 (+ 224) 8006ef58 <kernel_x86>:evaluate_debug_command + 0x0080
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| 29 | 9 ffffbcc8 (+ 64) 80069ad6 <kernel_x86>:kgets (nearest) + 0x02b2
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| 30 | 10 ffffbd08 (+ 48) 80069d2a <kernel_x86>:kgets (nearest) + 0x0506
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| 31 | 11 ffffbd38 (+ 48) 8006b11b <kernel_x86>:kernel_debugger + 0x0023
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| 32 | 12 ffffbd68 (+ 192) 8006b0ed <kernel_x86>:panic + 0x0029
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| 33 | 13 ffffbe28 (+ 96) 800da88b <kernel_x86> VMCache<0xd19f8708>::Delete(0xd19f8708) + 0x0077
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| 34 | 14 ffffbe88 (+ 64) 800dad4c <kernel_x86> VMCache<0xd19f8708>::Unlock(0x81130000) + 0x0124
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| 35 | 15 ffffbec8 (+ 48) 800dae53 <kernel_x86> VMCache<0xd19f8708>::ReleaseRef(0xffffbfb8) + 0x002b
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| 36 | 16 ffffbef8 (+ 48) 800cc2bc <kernel_x86>:vm_clone_area (nearest) + 0x048c
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| 37 | 17 ffffbf28 (+ 64) 800cc34c <kernel_x86>:vm_delete_area + 0x0074
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| 38 | 18 ffffbf68 (+ 32) 800d1405 <kernel_x86>:delete_area + 0x0021
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| 39 | 19 ffffbf88 (+ 80) 8005d7d0 <kernel_x86>:_user_get_team_usage_info (nearest) + 0x0d1c
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| 40 | 20 ffffbfd8 (+ 32) 8005d0bb <kernel_x86>:_user_get_team_usage_info (nearest) + 0x0607
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| 41 | 21 ffffbff8 (+16392) 8005d058 <kernel_x86>:_user_get_team_usage_info (nearest) + 0x05a4
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| 42 |
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| 43 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 44 | kdebug> aspace 0x82868278 de d s
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| 45 | address id base end area count area size
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| 46 | 0x8113f000 1 0x80000000 0xffffffff 1099 521826304
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| 47 | 0xccd682d0 53 0x00000000 0x7ffeffff 25 26152960
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| 48 | 0x81189870 60 0x00000000 0x7ffeffff 22 21532672
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| 49 | 0xccd688e8 61 0x00000000 0x7ffeffff 25 22904832
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| 50 | 0xccd68b40 62 0x00000000 0x7ffeffff 118 324296704
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| 51 | 0xccd68d20 75 0x00000000 0x7ffeffff 23 21880832
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| 52 | 0x811ac078 85 0x00000000 0x7ffeffff 49 25612288
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| 53 | 0xccd8f9d8 92 0x00000000 0x7ffeffff 21 21823488
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| 54 | 0xccd929d8 105 0x00000000 0x7ffeffff 86 44756992
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| 55 | 0xccd92c30 106 0x00000000 0x7ffeffff 34 27893760
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| 56 | 0x811c2078 108 0x00000000 0x7ffeffff 30 24178688
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| 57 | 0x811c2438 110 0x00000000 0x7ffeffff 25 22507520
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| 58 | 0x811c2690 111 0x00000000 0x7ffeffff 25 22654976
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| 59 | 0xccdb4078 113 0x00000000 0x7ffeffff 26 21757952
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| 60 | 0xccdf3168 1145 0x00000000 0x7ffeffff 14 20054016
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| 61 | 0x811c2d98 131 0x00000000 0x7ffeffff 33 23539712
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| 62 | 0x816a7960 1175 0x00000000 0x7ffeffff 125 32526336
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| 63 | 0xcce41168 209 0x00000000 0x7ffeffff 37 34295808
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| 64 | 0xcce412d0 213 0x00000000 0x7ffeffff 14 20054016
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| 65 | 0x8161ee88 261 0x00000000 0x7ffeffff 0 0
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| 66 | 0xd1aa17f8 9528 0x00000000 0x7ffeffff 37 28254208
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| 67 | 0xd19962d0 9546 0x00000000 0x7ffeffff 99 196100096
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| 68 | 0x81337f78 3012 0x00000000 0x7ffeffff 30 23785472
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| 69 | 0x816af528 3017 0x00000000 0x7ffeffff 14 20054016
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| 70 | 0x81637ca8 988 0x00000000 0x7ffeffff 30 26537984
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| 71 | 0xcd0a0b40 990 0x00000000 0x7ffeffff 14 20054016
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| 72 | 0xcd0a0bb8 1002 0x00000000 0x7ffeffff 30 23851008
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| 73 |
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| 74 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 75 | kdebug> cache_info -x 0xg1 d19f0 8709 8
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| 76 | name: ÌÌÌÌÑÑ
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| 77 | lock: 0xd19f8730
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| 78 | object_size: 0
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| 79 | cache_color_cycle: 3
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| 80 | used_count: 3435973632
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| 81 | empty_count: 0
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| 82 | pressure: 2148770048
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| 83 | slab_size: 4096
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| 84 | usage: 3735928559
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| 85 | maximum: 3735928559
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| 86 | flags: 0xd19f87f8
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| 87 | cookie: 0x00000000
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| 88 |
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| 89 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 90 | kdebug> info
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| 91 | kernel build: Dec 15 2009 20:39:34
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| 92 | SVN revision: 34679
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| 93 |
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| 94 | cpu count: 2, active times:
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| 95 | [1] 814925987
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| 96 | [2] 836430640
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| 97 | pages: 185128 (753600 max)
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| 98 | sems: 2968 (65536 max)
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| 99 | ports: 239 (4096 max)
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| 100 | threads: 188 (4096 max)
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| 101 | teams: 26 (2048 max)
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| 102 |
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| 103 | ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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| 104 | kdebug> n_ on_exit sync
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| 105 | kdebug> exit
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| 106 | PANIC: to be freed page 0x82868278 has mappings
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| 107 | Welcome to Kernel Debugging Land...
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| 108 | Thread 3 "undertaker" running on CPU 1
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| 109 | kdebug> bt
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| 110 | stack trace for thread 3 "undertaker"
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| 111 | kernel stack: 0xffff8000 to 0xffffc000
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| 112 | frame caller <image>:function + offset
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| 113 | 0 ffffb9ec (+ 48) 8006bd84 <kernel_x86>:debug_builtin_commands_init (nearest) + 0x01e0
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| 114 | 1 ffffba1c (+ 12) 800e7d13 <kernel_x86>:arch_debug_call_with_fault_handler + 0x001b
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| 115 | 2 ffffba28 (+ 48) 8006af50 <kernel_x86>:debug_call_with_fault_handler + 0x0060
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| 116 | 3 ffffba58 (+ 64) 8006bfdd <kernel_x86>:invoke_debugger_command + 0x00b9
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| 117 | 4 ffffba98 (+ 64) 8006be09 <kernel_x86>:debug_builtin_commands_init (nearest) + 0x0265
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| 118 | 5 ffffbad8 (+ 64) 8006c148 <kernel_x86>:invoke_debugger_command_pipe + 0x009c
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| 119 | 6 ffffbb18 (+ 48) 8006db44 <kernel_x86> ExpressionParser<0xffffbbc8>::_ParseCommandPipe(0xffffbbc4) + 0x0234
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| 120 | 7 ffffbb48 (+ 64) 8006cf7e <kernel_x86> ExpressionParser<0xffffbbc8>::EvaluateCommand(0x80133ce0 "bt", 0xffffbbc4) + 0x02ba
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| 121 | 8 ffffbb88 (+ 224) 8006ef58 <kernel_x86>:evaluate_debug_command + 0x0080
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| 122 | 9 ffffbc68 (+ 64) 80069ad6 <kernel_x86>:kgets (nearest) + 0x02b2
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| 123 | 10 ffffbca8 (+ 48) 80069d2a <kernel_x86>:kgets (nearest) + 0x0506
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| 124 | 11 ffffbcd8 (+ 48) 8006b11b <kernel_x86>:kernel_debugger + 0x0023
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| 125 | 12 ffffbd08 (+ 192) 8006b0ed <kernel_x86>:panic + 0x0029
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| 126 | 13 ffffbdc8 (+ 48) 800d3031 <kernel_x86>:page_state_to_string (nearest) + 0x0801
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| 127 | 14 ffffbdf8 (+ 48) 800d5ede <kernel_x86>:vm_page_free + 0x0062
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| 128 | 15 ffffbe28 (+ 96) 800dab65 <kernel_x86> VMCache<0xd19f8708>::Delete(0xd19f8708) + 0x0351
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| 129 | 16 ffffbe88 (+ 64) 800dad4c <kernel_x86> VMCache<0xd19f8708>::Unlock(0x81130000) + 0x0124
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| 130 | 17 ffffbec8 (+ 48) 800dae53 <kernel_x86> VMCache<0xd19f8708>::ReleaseRef(0xffffbfb8) + 0x002b
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| 131 | 18 ffffbef8 (+ 48) 800cc2bc <kernel_x86>:vm_clone_area (nearest) + 0x048c
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| 132 | 19 ffffbf28 (+ 64) 800cc34c <kernel_x86>:vm_delete_area + 0x0074
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| 133 | 20 ffffbf68 (+ 32) 800d1405 <kernel_x86>:delete_area + 0x0021
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| 134 | 21 ffffbf88 (+ 80) 8005d7d0 <kernel_x86>:_user_get_team_usage_info (nearest) + 0x0d1c
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| 135 | 22 ffffbfd8 (+ 32) 8005d0bb <kernel_x86>:_user_get_team_usage_info (nearest) + 0x0607
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| 136 | 23 ffffbff8 (+16392) 8005d058 <kernel_x86>:_user_get_team_usage_info (nearest) + 0x05a4
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| 137 | kdebug> aspaces
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| 138 | address id base end area count area size
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| 139 | 0x8113f000 1 0x80000000 0xffffffff 1099 521826304
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| 140 | 0xccd682d0 53 0x00000000 0x7ffeffff 25 26152960
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| 141 | 0x81189870 60 0x00000000 0x7ffeffff 22 21532672
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| 142 | 0xccd688e8 61 0x00000000 0x7ffeffff 25 22904832
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| 143 | 0xccd68b40 62 0x00000000 0x7ffeffff 118 324296704
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| 144 | 0xccd68d20 75 0x00000000 0x7ffeffff 23 21880832
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| 145 | 0x811ac078 85 0x00000000 0x7ffeffff 49 25612288
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| 146 | 0xccd8f9d8 92 0x00000000 0x7ffeffff 21 21823488
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| 147 | 0xccd929d8 105 0x00000000 0x7ffeffff 86 44756992
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| 148 | 0xccd92c30 106 0x00000000 0x7ffeffff 34 27893760
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| 149 | 0x811c2078 108 0x00000000 0x7ffeffff 30 24178688
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| 150 | 0x811c2438 110 0x00000000 0x7ffeffff 25 22507520
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| 151 | 0x811c2690 111 0x00000000 0x7ffeffff 25 22654976
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| 152 | 0xccdb4078 113 0x00000000 0x7ffeffff 26 21757952
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| 153 | 0xccdf3168 1145 0x00000000 0x7ffeffff 14 20054016
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| 154 | 0x811c2d98 131 0x00000000 0x7ffeffff 33 23539712
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| 155 | 0x816a7960 1175 0x00000000 0x7ffeffff 125 32526336
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| 156 | 0xcce41168 209 0x00000000 0x7ffeffff 37 34295808
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| 157 | 0xcce412d0 213 0x00000000 0x7ffeffff 14 20054016
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| 158 | 0x8161ee88 261 0x00000000 0x7ffeffff 0 0
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| 159 | 0xd1aa17f8 9528 0x00000000 0x7ffeffff 37 28254208
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| 160 | 0xd19962d0 9546 0x00000000 0x7ffeffff 99 196100096
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| 161 | 0x81337f78 3012 0x00000000 0x7ffeffff 30 23785472
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| 162 | 0x816af528 3017 0x00000000 0x7ffeffff 14 20054016
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| 163 | 0x81637ca8 988 0x00000000 0x7ffeffff 30 26537984
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| 164 | 0xcd0a0b40 990 0x00000000 0x7ffeffff 14 20054016
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| 165 | 0xcd0a0bb8 1002 0x00000000 0x7ffeffff 30 23851008
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| 166 | kdebug> o
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| 167 | on_exit out16 out32 out8 outb outs outw
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| 168 | kdebug> on_exit syjc j nc
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| 169 | kdebug> exit
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