From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-vw0-f49.google.com ([209.85.212.49]) by casper.infradead.org with esmtps (Exim 4.76 #1 (Red Hat Linux)) id 1QRRBl-0000rz-4h for linux-mtd@lists.infradead.org; Tue, 31 May 2011 15:49:05 +0000 Received: by vws8 with SMTP id 8so4216199vws.36 for ; Tue, 31 May 2011 08:47:52 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: References: Date: Tue, 31 May 2011 11:47:52 -0400 Message-ID: Subject: Re: ubifs_decompress: cannot decompress ... From: "Matthew L. Creech" To: Ben Gardiner Content-Type: text/plain; charset=ISO-8859-1 Cc: MTD list List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, May 30, 2011 at 8:29 AM, Ben Gardiner 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*$...E.. 00000140: 0b 20 0e 18 01 03 52 6f 75 74 65 64 2a 14 01 02 . ....Routed*... 00000150: 21 50 04 81 21 20 01 14 01 c2 07 30 31 3e 84 09 !P..! .....01>.. 00000160: 03 01 f4 4b 04 81 17 20 17 40 01 2d a8 09 02 24 ...K... .@.-...$ 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