Hi
I got this error when trying to dump my rootfs.
This is a machine running 2.4.2-XFS from March 28th.
(This is on a dual CPU machine).
I can dump my other filesystems without problems.
Let me know if you need more info.
regards, Harald
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xfs_iget_core: ambiguous vns: vp/0xce4c3cc4, invp/0xc8b4c8e4
Unable to handle kernel NULL pointer dereference at virtual address 00000008
c01cc68f
*pde = 00000000
Oops: 0000
CPU: 0
EIP: 0010:[<c01cc68f>]
Using defaults from ksymoops -t elf32-i386 -a i386
EFLAGS: 00010282
eax: 00000080 ebx: c8b4c8e4 ecx: cfd9b400 edx: 00000000
esi: c8b4c8e4 edi: c15a3468 ebp: 00000001 esp: cc83da2c
ds: 0018 es: 0018 ss: 0018
Process xfsdump (pid: 28645, stackpage=cc83d000)
Stack: c8b4c8e4 c8b4c8e4 c15a3468 14003fff 00000000 00000001 cfd9b400 00000000
c5fa9d7c 00202201 c5fa9d94 00000004 00000000 00002000 00000000 000001ff
00000000 00000000 c7406ca0 00000000 c0186b1b 00000004 00000000 00000000
Call Trace: [<c0186b1b>] [<c017d9a3>] [<c01a27b0>] [<c017d9a3>] [<c01a2848>]
[<c01cc451>] [<c01cb9a6>]
[<c014b1e5>] [<c014b535>] [<c01c4b27>] [<c01c586b>] [<c01c5e5d>]
[<c01c586b>] [<c01c586b>] [<c01a7560>]
[<c01c8f43>] [<c01a7560>] [<c0186b1b>] [<c017d8ec>] [<c017da19>]
[<c017eeaf>] [<e0001974>] [<c014b7ac>]
[<c0128562>] [<c01bc95c>] [<c01a2dab>] [<c01bc96d>] [<c01bd206>]
[<c01a2dab>] [<c01bd21a>] [<c01c464b>]
[<c01c586b>] [<c01c586b>] [<c0145026>] [<c01c586b>] [<c01c461c>]
[<c01090c3>] [<c01c586b>]
Code: 8b 4a 08 6a 00 50 8d 44 24 14 50 52 8b 41 14 ff d0 89 c3 83
>>EIP; c01cc68f <vn_revalidate+1f/b8> <=====
Trace; c0186b1b <xfs_bmbt_get_state+33/3c>
Trace; c017d9a3 <xfs_bmap_do_search_extents+393/3bc>
Trace; c01a27b0 <xfs_iget_core+77c/7a4>
Trace; c017d9a3 <xfs_bmap_do_search_extents+393/3bc>
Trace; c01a2848 <xfs_vn_iget+34/3c>
Trace; c01cc451 <vn_initialize+d5/150>
Trace; c01cb9a6 <linvfs_read_inode+1e/50>
Trace; c014b1e5 <get_new_inode+e9/17c>
Trace; c014b535 <iget4+dd/e8>
Trace; c01c4b27 <xfs_open_by_handle+113/31c>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c01c5e5d <xfs_ioctl+bb9/efc>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c01a7560 <xfs_size_fn+0/14>
Trace; c01c8f43 <_xfs_imap_to_bmap+2b/300>
Trace; c01a7560 <xfs_size_fn+0/14>
Trace; c0186b1b <xfs_bmbt_get_state+33/3c>
Trace; c017d8ec <xfs_bmap_do_search_extents+2dc/3bc>
Trace; c017da19 <xfs_bmap_search_extents+4d/54>
Trace; c017eeaf <xfs_bmapi+333/12c8>
Trace; e0001974 <END_OF_CODE+f760558/???
Trace; c014b7ac <update_atime+44/48>
Trace; c0128562 <do_generic_file_read+57a/588>
Trace; c01bc95c <xfs_inactive_free_eofblocks+f0/2d0>
Trace; c01a2dab <xfs_iunlock+5f/68>
Trace; c01bc96d <xfs_inactive_free_eofblocks+101/2d0>
Trace; c01bd206 <xfs_release+c6/e4>
Trace; c01a2dab <xfs_iunlock+5f/68>
Trace; c01bd21a <xfs_release+da/e4>
Trace; c01c464b <linvfs_ioctl+2f/38>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c0145026 <sys_ioctl+1ea/244>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Trace; c01c461c <linvfs_ioctl+0/38>
Trace; c01090c3 <system_call+33/38>
Trace; c01c586b <xfs_ioctl+5c7/efc>
Code; c01cc68f <vn_revalidate+1f/b8>
00000000 <_EIP>:
Code; c01cc68f <vn_revalidate+1f/b8> <=====
0: 8b 4a 08 mov 0x8(%edx),%ecx <=====
Code; c01cc692 <vn_revalidate+22/b8>
3: 6a 00 push $0x0
Code; c01cc694 <vn_revalidate+24/b8>
5: 50 push %eax
Code; c01cc695 <vn_revalidate+25/b8>
6: 8d 44 24 14 lea 0x14(%esp,1),%eax
Code; c01cc699 <vn_revalidate+29/b8>
a: 50 push %eax
Code; c01cc69a <vn_revalidate+2a/b8>
b: 52 push %edx
Code; c01cc69b <vn_revalidate+2b/b8>
c: 8b 41 14 mov 0x14(%ecx),%eax
Code; c01cc69e <vn_revalidate+2e/b8>
f: ff d0 call *%eax
Code; c01cc6a0 <vn_revalidate+30/b8>
11: 89 c3 mov %eax,%ebx
Code; c01cc6a2 <vn_revalidate+32/b8>
13: 83 00 00 addl $0x0,(%eax)
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