ide: ide_timeout() bus 0x907c0900
ide: ide_timeout_dpc() bus 0x907c0900, decide 0x907d3400
ide: reset_device() device 0x907d3400
ide: reset_device() device 0x907d3400 failed, calling reset_bus
ide: reset_bus() device 0x907d3400, bus 0x907c0900
ide: reset_bus() device 0x907d3400, bus 0x907c0900 success
ide: ide_timeout() bus 0x907c0900
ide: ide_timeout_dpc() bus 0x907c0900, decide 0x907d3400
ide: reset_device() device 0x907d3400
ide: reset_device() device 0x907d3400 failed, calling reset_bus
ide: reset_bus() device 0x907d3400, bus 0x907c0900
ide: reset_bus() device 0x907d3400, bus 0x907c0900 success
ide: ide_timeout() bus 0x907c0900
ide: ide_timeout_dpc() bus 0x907c0900, decide 0x907d3400
ide: reset_device() device 0x907d3400
ide: reset_device() device 0x907d3400 failed, calling reset_bus
ide: reset_bus() device 0x907d3400, bus 0x907c0900
ide: reset_bus() device 0x907d3400, bus 0x907c0900 success
Disabling DMA because of too many errors
SCSI_DSK -- synchronize_cache: 
vm_page_fault: vm_soft_fault returned error 'Bad address' on fault at 0xa0260000, ip 0x80094ba2, write 0, user 0, thread 0x9a
PANIC: vm_page_fault: unhandled page fault in kernel space at 0xa0260000, ip 0x80094ba2

Welcome to Kernel Debugging Land...
Running on CPU 0
kdebug> bt
bt
stack trace for thread 0x9a "tar"
    kernel stack: 0x931c1000 to 0x931c5000
      user stack: 0x7efe7000 to 0x7ffe7000
frame            caller     <image>:function + offset
931c4730 (+  52) 800819a9   <kernel>:invoke_command + 0x0075
931c4764 (+  48) 80081bfa   <kernel>:kernel_debugger + 0x020e
931c4794 (+ 176) 80081c91   <kernel>:panic + 0x002d
931c4844 (+  64) 8005b7dd   <kernel>:vm_page_fault + 0x00a9
931c4884 (+ 144) 80089efc   <kernel>:i386_handle_trap + 0x0261
iframe at 0x931c491c (end = 0x931c4970)
 eax 0x0            ebx 0xa0260000      ecx 0x6          edx 0xa025fe1a
 esi 0xa025fd48     edi 0xa025ff2e      ebp 0x931c4984   esp 0x931c494c
 eip 0x80094ba2  eflags 0x10206    
 vector: 0xe, error code: 0x0
931c4914 (+ 112) 80094ba2   <kernel>:memmove + 0x006a
931c4984 (+ 208) 80238e31   <bfs>:_ZN9BPlusTree10_SplitNodeEP14bplustree_nodexS1_xPtPhS2_Px + 0x07b3
931c4a54 (+ 512) 8023d245   <bfs>:_ZN9BPlusTree6InsertER11TransactionPKhtx + 0x0443
931c4c54 (+  80) 8023f409   <bfs>:_ZN5Index6UpdateER11TransactionPKclPKhtS5_tP5Inode + 0x0209
931c4ca4 (+  80) 8023fa1f   <bfs>:_ZN5Index10UpdateSizeER11TransactionP5Inode + 0x005f
931c4cf4 (+  80) 80250477   <bfs>:_Z15bfs_free_cookiePvS_S_ + 0x01ab
931c4d44 (+  32) 8004ed07   <kernel>:_Z12file_free_fdP15file_descriptor + 0x0029
931c4d64 (+  32) 800461d5   <kernel>:put_fd + 0x0031
931c4d84 (+  48) 8004723c   <kernel>:common_close + 0x00ab
931c4db4 (+  16) 80047274   <kernel>:_user_close + 0x0013
931c4dc4 (+ 352) 80038a86   <kernel>:syscall_dispatcher + 0x0f64
931c4f24 (+ 128) 80089fb0   <kernel>:i386_handle_trap + 0x0315
iframe at 0x931c4fac (end = 0x931c5000)
 eax 0x6c           ebx 0x2c8920        ecx 0x1802e9a6   edx 0x1802ea20
 esi 0xf87          edi 0x1802da20      ebp 0x7ffe6d78   esp 0x931c4fdc
 eip 0xffff0102  eflags 0x212      
 vector: 0x63, error code: 0x0
931c4fa4 (+   0) ffff0102
7ffe6d78 (+ 240) 0020e777   </bin/tar@0x00200000>:unknown + 0xe777
7ffe6e68 (+  64) 0021403f   </bin/tar@0x00200000>:unknown + 0x1403f
7ffe6ea8 (+ 208) 0021ba98   </bin/tar@0x00200000>:unknown + 0x1ba98
7ffe6f78 (+  52) 0020754d   </bin/tar@0x00200000>:unknown + 0x754d
7ffe6fac (+  48) 00100104   1305:runtime_loader_seg0ro@0x00100000 + 0x104
7ffe6fdc (+   0) 7ffe6fec   1304:/bin/tar_main_stack@0x7efe7000 + 0xffffec
kdebug>