ubifs_decompress: cannot decompress ...

[Matthew L. Creech]

On Mon, May 30, 2011 at 8:29 AM, Ben Gardiner
<bengardiner at nanometrics.ca> wrote:
>
> I don't see any debug statements in lzo1x_decompress_safe() that can
> be enabled, so you might want to add some printing to
> lzo1x_decompress_safe() or at least print the non-ok return code of
> lzo1x_decompress_safe() in lzo_decompress() to get an idea of how the
> decompressor is failing.
>

Looks like it's returning LZO_E_LOOKBEHIND_OVERRUN.  I don't know what
that indicates, but there is trailing 0xff data in the block to be
decompressed if that matters:

XXXX: LZO_E_LOOKBEHIND_OVERRUN
UBIFS error (pid 428): ubifs_decompress: cannot decompress 1010 bytes,
compressor lzo, error -22
00000000: 00 0f 69 6e 3a 61 74 74 72 00 c2 38 1c 03 39 03  ..in:attr..8..9.
00000010: 2f 30 31 2f 6d 57 43 2f 2e 56 61 6c 75 65 4d 61  /01/mWC/.ValueMa
00000020: 78 3a 61 91 03 94 31 72 00 69 6e d0 03 00 01 37  x:a...1r.in....7
00000030: 1c 03 3d 01 2f 53 65 72 69 61 6c 4e 75 6d 62 65  ..=./SerialNumbe
00000040: 72 2f 98 07 98 03 00 0a 04 2f 03 63 01 2f 53 6f  r/......./.c./So
00000050: 66 74 77 61 72 65 2f 43 6f 6d 6d 61 6e 64 73 2f  ftware/Commands/
00000060: 6e 65 78 74 d2 01 49 44 29 bc 00 03 06 47 04 81  next..ID)....G..
00000070: 0d 03 28 c0 00 00 04 44 61 74 61 20 53 65 72 76  ..(....Data Serv
00000080: 65 72 73 2f 42 41 43 6e 65 74 2d 49 50 c4 01 0b  ers/BACnet-IP...
00000090: 44 65 76 69 63 65 49 6e 73 74 61 6e 63 65 29 14  DeviceInstance).
000000a0: 01 05 00 f7 28 41 04 81 03 02 20 0c 1f 01 4d 41  ....(A.... ...MA
000000b0: 43 29 08 01 03 02 19 42 04 81 05 20 0d 07 01 4e  C).....B... ...N
000000c0: 61 6d 2a 14 02 02 02 18 3c 03 7b 20 02 04 01 07  am*.....<.{ ....
000000d0: 42 4d 44 41 64 64 72 65 73 73 2a fc 01 02 1d 40  BMDAddress*....@
000000e0: 04 81 01 20 05 f4 00 06 54 69 6d 65 54 6f 4c 69  ... ....TimeToLi
000000f0: 76 2b f5 01 1e 20 05 f4 01 02 61 73 65 49 64 80  v+... ....aseId.
00000100: 36 2a f5 01 20 20 05 f4 03 07 44 65 66 61 75 6c  6*..  ....Defaul
00000110: 74 4e 65 74 2f e4 07 03 02 1a 46 04 81 0d 20 01  tNet/.....F... .
00000120: 00 03 00 02 45 6e 61 62 6c 65 42 61 73 65 46 6f  ....EnableBaseFo
00000130: 72 47 61 74 65 77 61 79 2a 24 02 02 1f 45 04 81  rGateway*$...E..
00000140: 0b 20 0e 18 01 03 52 6f 75 74 65 64 2a 14 01 02  . ....Routed*...
00000150: 21 50 04 81 21 20 01 14 01 c2 07 30 31 3e 84 09  !P..! .....01>..
00000160: 03 01 f4 4b 04 81 17 20 17 40 01 2d a8 09 02 24  ...K... . at .-...$
00000170: 4c 04 81 19 20 17 2c 01 2e d0 09 01 23 3a 03 77  L... .,.....#:.w
00000180: 20 07 2c 01 2d 1d 02 1c 20 05 d0 0c b0 24 33 cc   .,.-... ....$3.
00000190: 07 02 1b 00 00 00 11 6c 00 00 3f 6a 68 2e 73 ec  .......l..?jh.s.
000001a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000001b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000001c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000001d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000001e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000001f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000200: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000210: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000220: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000230: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000240: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000250: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000260: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000270: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000280: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000290: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000002f0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000300: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000310: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000320: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000330: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000340: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000350: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000360: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000370: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000380: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
00000390: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003a0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003b0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003c0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003d0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003e0: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff  ................
000003f0: ff ff
UBIFS error (pid 428): read_block: bad data node (block 388, inode 556196)
UBIFS error (pid 428): do_readpage: cannot read page 388 of inode
556196, error -22

-- 
Matthew L. Creech