Got this while copying large file :
16:01: rw=0, want=1149501440, limit=3152992
attempt to access beyond end of device
16:01: rw=0, want=815500041, limit=3152992
kernel BUG at buffer.c:1218!
invalid operand: 0000
CPU: 0
EIP: 0010:[<c012cc0a>]
EFLAGS: 00010292
eax: 0000001d ebx: 00000000 ecx: c02050c8 edx: c02050d4
esi: c02cc9a4 edi: c0e7fcc0 ebp: c0c8be74 esp: c0c8be2c
ds: 0018 es: 0018 ss: 0018
Process cp (pid: 133, process nr: 24, stackpage=c0c8b000)
Stack: 000004c2 c020d780 c0e7fcc0 00000000 c017f6fd c0e7fcc0 00000000
00000001
c0c8bed4 00000004 00000002 c020717c 00000003 00000058 000000ff
c012c479
5be175db 61371610 00000003 c017f854 00000016 00000000 c0e7fcc0
c0e7fd20
Call Trace: [<c017f6fd>] [<c012c479>] [<c017f854>] [<c012daa9>] [<c012daa9>]
[<c0120900>] [<c0120919>]
[<c0121a06>] [<c0121d1f>] [<c0121c44>] [<c012a59a>] [<c01089d4>]
Code: 0f 0b 83 c4 0c 90 c7 46 38 00 00 00 00 f0 0f b3 5e 18 19 c0
>>EIP: c012cc0a <end_buffer_io_async+102/158>
Trace: c017f6fd <make_request+4c9/4d8>
Trace: c012c479 <__brelse+45/5c>
Trace: c017f854 <ll_rw_block+148/1b4>
Trace: c012daa9 <block_read_full_page+199/1f0>
Trace: c012daa9 <block_read_full_page+199/1f0>
Trace: c0120900 <try_to_read_ahead+80/b0>
Trace: c0121a06 <do_generic_file_read+666/8a4>
Code: c012cc0a <end_buffer_io_async+102/158> 00000000 <_EIP>: <===
Code: c012cc0a <end_buffer_io_async+102/158> 0: 0f 0b ud2a <===
Code: c012cc0c <end_buffer_io_async+104/158> 2: 83 c4 0c add $0xc,%esp
Code: c012cc0f <end_buffer_io_async+107/158> 5: 90 nop
Code: c012cc10 <end_buffer_io_async+108/158> 6: c7 46 38 00 00 00 00 movl $0x0,0x38(%esi)
Code: c012cc17 <end_buffer_io_async+10f/158> d: f0 0f b3 5e 18 lock btr %ebx,0x18(%esi)
Code: c012cc1c <end_buffer_io_async+114/158> 12: 19 c0 sbb %eax,%eax
Rus
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