kernel BUG at inode.c:201!
invalid operand: 0000
CPU:    0
EIP:    0010:[<c88418e9>]
EFLAGS: 00010286
eax: 0000001b   ebx: 00000000   ecx: c13dfbc0   edx: 00000005
esi: 00000000   edi: c6f320a0   ebp: c7037600   esp: c6fb9da0
ds: 0018   es: 0018   ss: 0018
Process venus (pid: 533, stackpage=c6fb9000)
Stack: c88479e6 c8847dff 000000c9 00000000 c6f320a0 00000401 c0141fe6 c6f320a0
       00000000 c1238b88 00000401 c7037600 c014220a c7037600 00000401 c1238b88
       c8840f00 c6fb9ec0 00000000 c6fb9ec0 c6fb9ec0 c6fb9ebc c1238b88 c884105e
Call Trace: [<c88479e6>] [<c8847dff>] [<c0141fe6>] [<c014220a>] [<c8840f00>]
   [<c884105e>] [<c8840f00>] [<c88411d1>] [<c884b020>] [<c884173d>] [<c8847d20>]
   [<c884b100>] [<c884a3e0>] [<c01338a3>] [<c884a3e0>] [<c0133b9d>] [<c884a3e0>]
   [<c0134338>] [<c884a3e0>] [<c884a3e0>] [<c01345d6>] [<c013449c>] [<c0134674>]
   [<c0106ba3>]

Code: 0f 0b 83 c4 0c 89 f6 8d 9f 0c 01 00 00 53 e8 00 fc ff ff 83