On 04/09/2014 11:51 AM, Chao Yu wrote:
> Hi Levin,
>
> Could you share dump code info like following one which can be generated
> by 'objdump -Dl f2fs.ko > obj'.
> It may help us to get a clue for this problem.
>
> verify_block_addr()
> segment.h:543 (discriminator 3)
> 2f35: 39 55 ec cmp %edx,-0x14(%ebp)
> segment.h:542 (discriminator 3)
> 2f38: 8d 44 02 ff lea -0x1(%edx,%eax,1),%eax
> segment.h:543 (discriminator 3)
> 2f3c: 0f 82 dc 01 00 00 jb 311e
> <f2fs_submit_page_mbio+0x22e>
> segment.h:544
> 2f42: 39 45 ec cmp %eax,-0x14(%ebp)
> 2f45: 0f 87 d1 01 00 00 ja 311c
> <f2fs_submit_page_mbio+0x22c>
verify_block_addr():
/home/sasha/linux-next/fs/f2fs/data.c:1079 (discriminator 3)
f710: 49 8b 45 38 mov 0x38(%r13),%rax
/home/sasha/linux-next/fs/f2fs/segment.h:540 (discriminator 3)
f714: 41 8b 8d d0 06 00 00 mov 0x6d0(%r13),%ecx
/home/sasha/linux-next/fs/f2fs/segment.h:541 (discriminator 3)
f71b: 44 8b 40 78 mov 0x78(%rax),%r8d
/home/sasha/linux-next/fs/f2fs/segment.h:540 (discriminator 3)
f71f: 8b 80 84 00 00 00 mov 0x84(%rax),%eax
f725: d3 e0 shl %cl,%eax
/home/sasha/linux-next/fs/f2fs/segment.h:543 (discriminator 3)
f727: 45 39 c6 cmp %r8d,%r14d
/home/sasha/linux-next/fs/f2fs/segment.h:542 (discriminator 3)
f72a: 45 8d 4c 00 ff lea -0x1(%r8,%rax,1),%r9d
/home/sasha/linux-next/fs/f2fs/segment.h:543 (discriminator 3)
f72f: 73 1f jae f750 <f2fs_submit_page_mbio+0xa0>
/home/sasha/linux-next/fs/f2fs/segment.h:544
f731: 49 8b 7d 00 mov 0x0(%r13),%rdi
f735: 44 89 f1 mov %r14d,%ecx
f738: 48 c7 c2 00 00 00 00 mov $0x0,%rdx
f73f: 48 c7 c6 00 00 00 00 mov $0x0,%rsi
f746: 31 c0 xor %eax,%eax
f748: e8 00 00 00 00 callq f74d <f2fs_submit_page_mbio+0x9d>
/home/sasha/linux-next/fs/f2fs/segment.h:547
f74d: 0f 0b ud2
f74f: 90 nop
/home/sasha/linux-next/fs/f2fs/segment.h:550
f750: 45 39 ce cmp %r9d,%r14d
f753: 76 0b jbe f760 <f2fs_submit_page_mbio+0xb0>
f755: 0f 0b ud2
f757: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1)
f75e: 00 00
Thanks,
Sasha
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