I'am using kernel 2.6.20 with nilf_utils-2-0-18 and nilfs kernel module 2-0-20 . <1>Unable to handle kernel NULL pointer dereference at virtual address 00000000 <1>pgd = c4eb0000 <1>[00000000] *pgd=c4e2d031, *pte=00000000, *ppte=00000000 <4>Internal error: Oops: 17 [#1] <4>Modules linked in: <4>CPU: 0 <4>PC is at nilfs_btree_lookup_dirty_buffers+0x10c/0x1ec <4>LR is at 0xc4c99b24 <4>pc : [<c012743c>] lr : [<c4c99b24>] Not tainted <4>sp : c4c99b08 ip : c46e42dc fp : c4c99c04 <4>r10: c4c99b94 r9 : c4c99b94 r8 : 00000000 <4>r7 : c4c99b24 r6 : c46e42dc r5 : 00000000 r4 : 4c259cb9 <4>r3 : c472b008 r2 : 00000000 r1 : 00000000 r0 : c4726864 <4>Flags: nzCv IRQs on FIQs on Mode SVC_32 Segment user <4>Control: C000717F <4>Table: C4EB0000 DAC: 00000015 <4>Process nilfs_cleanerd (pid: 1367, stack limit = 0xc4c98258) <4>Stack: (0xc4c99b08 to 0xc4c9a000) <4>9b00: 0000000e 00004000 00000000 c4c99b94 c4c99c74 c47268ac <4>9b20: c4c99b50 c4726864 c4c99b4c c4c99b2c c4c99b2c c4c99b34 c4c99b34 c4c99b3c <4>9b40: c4c99b3c c4c99b44 c4c99b44 c4c99b4c c4c99b4c c4c99b54 c4c99b54 c4c99b5c <4>9b60: c4c99b5c c4c99b64 c4c99b64 c4c99b6c c4c99b6c c4c99b74 c4c99b74 c4c99b7c <4>9b80: c4c99b7c c4c99b84 c4c99b84 c4c99b8c c4c99b8c 00000001 00000000 c040f560 <4>9ba0: c4c99bcc c4c99bb0 c0125168 c00a7858 c4c99c84 c4726904 c05c99e0 00000000 <4>9bc0: c4c99be4 c4c99bd0 c0133f48 c0125134 c4c99c50 00007145 c4c99c14 00000000 <4>9be0: c4c99c74 00000000 c05c99e0 c033ede8 c033ede8 c4726904 c4c99c14 c4c99c08 <4>9c00: c0124e94 c0127340 c4c99cb4 c4c99c18 c012f73c c0124e80 0000000e 00000000 <4>9c20: ffffffff 7fffffff c033ede8 c472681c c0102e70 00000000 00000000 c040f560 <4>9c40: 00000010 4c344f2d c4e67738 00000000 c05b8ae0 c4c98000 c4c99c7c c4c99c68 <4>9c60: c012e494 c0102e60 c4c99c84 c4e67738 c4c99c9c c4c99c74 c4c99c74 c4c99c7c <4>9c80: c4c99c7c 00007145 c4e67738 c472681c c5e77800 c05c99f4 c05b8ae0 00000000 <4>9ca0: c05b8ae0 c4c98000 c4c99dac c4c99cb8 c01321f0 c012f5ac 00000287 c5e77800 <4>9cc0: c4e376ec c5876cf4 c4c99d60 c4c99d50 c0123d20 c0102144 c05c9a34 c05c9a20 <4>9ce0: c05c99ec c4c98000 00000001 c05c99e0 0000001d c05b8ae0 c5e77800 c687c000 <4>9d00: 00000001 c5876c1c c5876c54 00000000 c05c99f4 c05b8ae0 c05b8ae0 c4c98000 <4>9d20: c4c99d3c c4c99d30 c00a7858 c0190f98 c4c99d5c c4c99d40 c012504c c00a7858 <4>9d40: c687c460 c5876cf4 c5e77800 c05b8ae0 00000000 00000000 00000000 00000000 <4>9d60: c4c99da4 00000001 0000001e 00000000 c012ede4 c0124378 c05c99e0 c05c99e0 <4>9d80: c4c99dac c05c99e0 c5e77800 c4c99df8 c05c99f4 c05b8ae0 c05b8ae0 c4c98000 <4>9da0: c4c99dd4 c4c99db0 c0132654 c0130844 c4c99ec8 c4c99e50 c05c99e0 c05c99f4 <4>9dc0: c5e77800 c4c98000 c4c99e34 c4c99dd8 c0133bb0 c0132584 c05a3200 00000000 <4>9de0: c4c99ec8 d9e392fb 00000000 00000014 c4c99df0 c4c99df0 00000001 00000000 <4>9e00: 00000000 00000000 c4c99e24 c4c98000 c5876124 0001b1b8 00000000 00000488 <4>9e20: c4c99ec8 00000004 c4c99f2c c4c99e38 c0139254 c0133ae8 c4c99e84 c4c99e48 <4>9e40: 00000001 c5e77800 c4c99eb0 00000010 40936008 00000000 000004b3 00020040 <4>9e60: 4002358c 4001b000 000171b0 00000000 00000001 40020010 00000018 00000000 <4>9e80: 00015770 00000000 000001f2 40020008 00000000 be981848 0001b1b8 00000000 <4>9ea0: 0000001d 00000028 00000001 00000000 be98e920 00000000 00000001 00010008 <4>9ec0: be98e920 0001b1b8 c6864000 c6878000 c687a000 c687c000 c055ab40 0001b1b8 <4>9ee0: 00000001 00000001 00000000 00000000 c4c98000 00000001 c036a448 0000000a <4>9f00: c036a200 c51093a0 be9817f8 40786e88 00000036 c006d068 c4c98000 00000000 <4>9f20: c4c99f4c c4c99f30 c00ea608 c0138bc8 c036a244 c51093a0 00000006 be9817f8 <4>9f40: c4c99f7c c4c99f50 c00ea6dc c00ea5dc c0091a40 c00918d8 c4c98000 c51093a0 <4>9f60: fffffff7 40786e88 00000036 c006d068 c4c99fa4 c4c99f80 c00ea9c8 c00ea67c <4>9f80: 40000000 00000000 c4c99fac 00000008 00000028 00015770 00000000 c4c99fa8 <4>9fa0: c006cec0 c00ea998 00000008 00000028 00000006 40786e88 be9817f8 000001f2 <4>9fc0: 00000008 00000028 00015770 00000036 0001b1b8 00000000 000171b0 000171b0 <4>9fe0: 00000000 be9817f0 40024948 400d210c 20000010 00000006 00000000 00000000 <4>Backtrace: <4>[<c0127330>] (nilfs_btree_lookup_dirty_buffers+0x0/0x1ec) from [<c0124e94>] (nilfs_bmap_lookup_dirty_buffers+0x24/0x28) <4>[<c0124e70>] (nilfs_bmap_lookup_dirty_buffers+0x0/0x28) from [<c012f73c>] (nilfs_segctor_scan_file+0x1a0/0x258) <4>[<c012f59c>] (nilfs_segctor_scan_file+0x0/0x258) from [<c01321f0>] (nilfs_segctor_do_construct+0x19bc/0x1b28) <4>[<c0130834>] (nilfs_segctor_do_construct+0x0/0x1b28) from [<c0132654>] (nilfs_segctor_construct+0xe0/0x104) <4>[<c0132574>] (nilfs_segctor_construct+0x0/0x104) from [<c0133bb0>] (nilfs_clean_segments+0xd8/0x1fc) <4>[<c0133ad8>] (nilfs_clean_segments+0x0/0x1fc) from [<c0139254>] (nilfs_ioctl+0x69c/0x828) <4>[<c0138bb8>] (nilfs_ioctl+0x0/0x828) from [<c00ea608>] (do_ioctl +0x3c/0xa0) <4>[<c00ea5cc>] (do_ioctl+0x0/0xa0) from [<c00ea6dc>] (vfs_ioctl +0x70/0x31c) <4> r6 = BE9817F8 r5 = 00000006 r4 = C51093A0 <4>[<c00ea66c>] (vfs_ioctl+0x0/0x31c) from [<c00ea9c8>] (sys_ioctl +0x40/0x68) <4> r8 = C006D068 r7 = 00000036 r6 = 40786E88 r5 = FFFFFFF7 <4> r4 = C51093A0 <4>[<c00ea988>] (sys_ioctl+0x0/0x68) from [<c006cec0>] (ret_fast_syscall +0x0/0x2c) <4> r6 = 00015770 r5 = 00000028 r4 = 00000008 <4>Code: e2834008 e8940030 0a00000d e5101010 (e5d12000) <4> Łukasz Wójcicki -- To unsubscribe from this list: send the line "unsubscribe linux-nilfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
