[BUG] pxa3xx: wait time out when scanning for bb
Sean Nyekjær
sean.nyekjaer at prevas.dk
Tue Dec 12 03:49:35 PST 2017
Hi Miquel,
> On Tue, 12 Dec 2017 12:28:46 +0100
> Sean Nyekjær <sean.nyekjaer at prevas.dk> wrote:
>
>> On 2017-12-12 12:08, Miquel RAYNAL wrote:
>>> On Tue, 12 Dec 2017 11:55:22 +0100
>>> Sean Nyekjær <sean.nyekjaer at prevas.dk> wrote:
>>>
>>>> Hi Miquel
>>>>> Are you sure your U-Boot does actually use the BBT?
>>>>>
>>>>> The last two blocks (supposedly written by U-Boot) are usually
>>>>> declared bad by Linux when it does not find the BBT. This is not
>>>>> the case, like if the last blocks were empty.
>>>>>
>>>>> Could you try this, still with "ecc-none" and without the
>>>>> "nand-keep-config" property:
>>>> &nand_controller {
>>>> status = "okay";
>>>> pinctrl-names = "default";
>>>> pinctrl-0 = <&nand_pins>, <&nand_rb>;
>>>>
>>>> nand at 0 {
>>>> reg = <0>;
>>>> label = "pxa3xx_nand-0";
>>>> marvell,rb = <0>;
>>>> nand-ecc-mode = "none";
>>>> nand-on-flash-bbt;
>>>> };
>>>> };
>>>>> 1/ From U-Boot, scrub the last 4 blocks. As your NAND is 256MiB
>>>>> wide with 128kiB blocks, this should do the trick:
>>>>>
>>>>> nand scrub 0xFF80000 0x80000
>>>>>
>>>>> 2/ At this point, U-Boot should tell you it cannot find a bad
>>>>> block table, a second later it will tell you that it created it
>>>>> twice at the end of the NAND chip.
>>>> Yes uboot is recreating the bbt and after a new reset it recognise
>>>> the new bbt.
>>>>> 3/ Boot Linux with ECC == none
>>>>> 4/ Dump the first page of the 4 last blocks:
>>>>>
>>>>> nanddump -nop -l 0x800 -s <adddr> /dev/mtd1
>>>> See tracing below
>>>>> Supposedly that /dev/mtd1 is the _last_ MTD partition of your NAND
>>>>> device and <addr> being sequentially:
>>>>>
>>>>> 0xFF80000
>>>>> 0xFFA0000
>>>>> 0xFFC0000
>>>>> 0xFFE0000
>>>>>
>>>>> Please copy/paste the overall trace without any cuts (including
>>>>> U-Boot traces, literally everything).
>>>>>
>>>> U-Boot 2017.11-00035-ge9282bb30b-dirty (Dec 12 2017 - 11:22:21
>>>> +0100)
>>>>
>>>> SoC: MV88F6810-A0 at 1066 MHz
>>>> DRAM: 1 GiB (533 MHz, 16-bit, ECC not enabled)
>>>> WDT: Enabling Armada 385 watchdog.
>>>> NAND: PXA3xx: strength 4, ecc_stepsize 512, page_size 2048
>>>> 256 MiB
>>>> Bad block table found at page 131008, version 0x01
>>>> Bad block table found at page 130944, version 0x01
>>>> Model: Triax dvb-tc output
>>>> Board: Triax dvb-tc output
>>>> Net:
>>>> Warning: ethernet at 30000 (eth0) using random MAC address -
>>>> 26:d3:56:98:ca:b4 eth0: ethernet at 30000
>>>> => nand scrub 0xFF80000 0x80000
>>>>
>>>> NAND scrub: device 0 offset 0xff80000, size 0x80000
>>>> Warning: scrub option will erase all factory set bad blocks!
>>>> There is no reliable way to recover them.
>>>> Use this command only for testing purposes if you
>>>> are sure of what you are doing!
>>>>
>>>> Really scrub this NAND flash? <y/N>
>>>> y
>>>> Erasing at 0xffe0000 -- 100% complete.
>>>> OK
>>>> => boot
>>>>
>>>> Starting kernel ...
>>>>
>>>> [ 0.000000] Booting Linux on physical CPU 0x0
>>>> [ 0.000000] Linux version 4.15.0-rc1-00094-g1791eb8f2475-dirty
>>>> (skn at skn) (gcc version 7.2.0 (Arch Repository)) #30 SMP PREEMPT Tue
>>>> Dec 12 09:28:30 CET 2017
>>>> ...
>>>> [ 2.692801] nand: device found, Manufacturer ID: 0x2c, Chip ID:
>>>> 0xda [ 2.699176] nand: Micron MT29F2G08ABAEAH4
>>>> [ 2.703232] nand: 256 MiB, SLC, erase size: 128 KiB, page size:
>>>> 2048, OOB size: 64
>>>> [ 2.710928] nand: NAND_ECC_NONE selected by board driver. This
>>>> is not recommended!
>>>> [ 2.718523] nand: WARNING: pxa3xx_nand-0: the ECC used on your
>>>> system is too weak compared to the one required by the NAND chip
>>>> [ 2.731429] Bad block table not found for chip 0
>>>> [ 2.737384] Bad block table not found for chip 0
>>>> [ 2.742024] Scanning device for bad blocks
>>>> [ 2.891818] Bad block table written to 0x00000ffe0000, version
>>>> 0x01 [ 2.898837] Bad block table written to 0x00000ffc0000,
>>>> version 0x01 [ 2.905152] 2 cmdlinepart partitions found on MTD
>>>> device pxa3xx_nand-0 [ 2.911708] Creating 2 MTD partitions on
>>>> "pxa3xx_nand-0": [ 2.917130] 0x000000000000-0x000000100000 :
>>>> "uboot" [ 2.922512] 0x000000100000-0x000010000000 : "ubi0"
>>>> ...
>>>> output-module login: root
>>>> Password:
>>>> root at output-module:~#
>>>> root at output-module:~# nanddump -nop -l 0x800 -s 0xFF80000 /dev/mtd1
>>>> Block size 131072, page size 2048, OOB size 64
>>>> Dumping data starting at 0x0ff80000 and ending at 0x0ff80800...
>>>> root at output-module:~# nanddump -nop -l 0x800 -s 0xFFA0000 /dev/mtd1
>>>> Block size 131072, page size 2048, OOB size 64
>>>> Dumping data starting at 0x0ffa0000 and ending at 0x0ffa0800...
>>>> root at output-module:~# nanddump -nop -l 0x800 -s 0xFFC0000 /dev/mtd1
>>>> Block size 131072, page size 2048, OOB size 64
>>>> Dumping data starting at 0x0ffc0000 and ending at 0x0ffc0800...
>>>> root at output-module:~# nanddump -nop -l 0x800 -s 0xFFE0000 /dev/mtd1
>>>> Block size 131072, page size 2048, OOB size 64
>>>> Dumping data starting at 0x0ffe0000 and ending at 0x0ffe0800...
>>>> root at output-module:~# reboot
>>>> ...
>>>> U-Boot 2017.11-00035-ge9282bb30b-dirty (Dec 12 2017 - 11:22:21
>>>> +0100)
>>>>
>>>> SoC: MV88F6810-A0 at 1066 MHz
>>>> DRAM: 1 GiB (533 MHz, 16-bit, ECC not enabled)
>>>> WDT: Enabling Armada 385 watchdog.
>>>> NAND: PXA3xx: strength 4, ecc_stepsize 512, page_size 2048
>>>> 256 MiB
>>>> Bad block table not found for chip 0
>>>> Bad block table not found for chip 0
>>>> Scanning device for bad blocks
>>>> Bad block table written to 0x00000ffe0000, version 0x01
>>>> Bad block table written to 0x00000ffc0000, version 0x01
>>>>
>>>> If I reboot uboot is unable recognise the bbt, but recreates it.
>>>> But the kernel is scanning on every boot.
>>>> Am I doing anything wrong in the nanddump command?
>>> I did not realize your NAND had 2 partitions (I though /dev/mtd0 was
>>> something else).
>> Sorry i should have said that :-)
>>> In Linux, the offset your give to nanddump is from the beginning of
>>> the MTD device, not the NAND device. Because /dev/mtd1 starts at
>>> 0x100000 (8 blocks are used for U-Boot), you have to substract
>>> 0x100000 from the offsets I gave you otherwise you read beyond the
>>> device (ie. nothing).
>>>
>>> Please try again with:
>>>
>>> 0xFE80000
>>> 0xFEA0000
>>> 0xFEC0000
>>> 0xFEE0000
>> root at wandboard:~# nanddump -nop -l 0x800 -s 0xFE80000 /dev/mtd1
>> Block size 131072, page size 2048, OOB size 64
>> Dumping data starting at 0x0fe80000 and ending at 0x0fe80800...
>> root at wandboard:~# nanddump -nop -l 0x800 -s 0xFEA0000 /dev/mtd1
>> Block size 131072, page size 2048, OOB size 64
>> Dumping data starting at 0x0fea0000 and ending at 0x0fea0800...
>> root at wandboard:~# nanddump -nop -l 0x800 -s 0xFEC0000 /dev/mtd1
>> Block size 131072, page size 2048, OOB size 64
>> Dumping data starting at 0x0fec0000 and ending at 0x0fec0800...
>> root at wandboard:~# nanddump -nop -l 0x800 -s 0xFEE0000 /dev/mtd1
>> Block size 131072, page size 2048, OOB size 64
>> Dumping data starting at 0x0fee0000 and ending at 0x0fee0800...
>>
> Failure is on me for this one: Linux marks the block containing the BBT
> as bad to avoid user accesses on it, please use --bb=dumpbad in the
> nanddump command.
nanddump -nop -l 0x800 -s 0xFE80000 --bb=dumpbad /dev/mtd1
Block size 131072, page size 2048, OOB size 64
Dumping data starting at 0x0fe80000 and ending at 0x0fe80800...
0x0fe80000: 55 42 49 23 01 00 00 00 00 00 00 00 00 00 00 01
0x0fe80010: 00 00 08 00 00 00 10 00 00 00 00 00 00 00 00 00
0x0fe80020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80030: 00 00 00 00 00 00 00 00 00 00 00 00 7f 58 53 19
0x0fe80040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe800f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe801f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80230: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80240: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe802f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80340: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe803f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80490: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe804f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80550: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80560: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe805f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80610: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80620: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80630: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80640: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80650: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80660: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80670: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80690: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe806f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80710: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80730: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80770: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe80790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fe807f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: c1 eb aa 03 d3 5c d8 ae fa fd ba 34 2a a5 20 38
OOB Data: fd 0b 22 59 c1 8c 3c a5 a4 62 df f2 d4 7e ff ff
nanddump -nop -l 0x800 -s 0xFEA0000 --bb=dumpbad /dev/mtd1
Block size 131072, page size 2048, OOB size 64
Dumping data starting at 0x0fea0000 and ending at 0x0fea0800...
0x0fea0000: 55 42 49 23 01 00 00 00 00 00 00 00 00 00 00 01
0x0fea0010: 00 00 08 00 00 00 10 00 00 00 00 00 00 00 00 00
0x0fea0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0030: 00 00 00 00 00 00 00 00 00 00 00 00 7f 58 53 19
0x0fea0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea01f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0230: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0240: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea02f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0340: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea03f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0490: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea04f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0550: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0560: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea05f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0610: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0620: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0630: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0640: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0650: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0660: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0670: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0690: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea06f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0710: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0730: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0770: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea0790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fea07f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: c1 eb aa 03 d3 5c d8 ae fa fd ba 34 2a a5 20 38
OOB Data: fd 0b 22 59 c1 8c 3c a5 a4 62 df f2 d4 7e ff ff
nanddump -nop -l 0x800 -s 0xFEC0000 --bb=dumpbad /dev/mtd1
Block size 131072, page size 2048, OOB size 64
Dumping data starting at 0x0fec0000 and ending at 0x0fec0800...
0x0fec0000: 55 42 49 23 01 00 00 00 00 00 00 00 00 00 00 07
0x0fec0010: 00 00 08 00 00 00 10 00 00 00 00 00 00 00 00 00
0x0fec0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 ce ae 33
0x0fec0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec01f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0230: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0240: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec02f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0340: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec03f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0490: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec04f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0550: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0560: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec05f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0610: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0620: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0630: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0640: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0650: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0660: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0670: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0690: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec06f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0710: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0730: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0770: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec0790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fec07f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OOB Data: ff ff ff ff ff ff ff ff 31 74 62 42 56 4d 01 ff
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: 35 5d 8f b6 13 7e 01 97 f5 09 1d a5 6f 06 05 2b
OOB Data: ae c6 8c d5 73 ac 38 4e 61 0f c7 99 cc 5a ff ff
nanddump -nop -l 0x800 -s 0xFEE0000 --bb=dumpbad /dev/mtd1
Block size 131072, page size 2048, OOB size 64
Dumping data starting at 0x0fee0000 and ending at 0x0fee0800...
0x0fee0000: 55 42 49 23 01 00 00 00 00 00 00 00 00 00 00 07
0x0fee0010: 00 00 08 00 00 00 10 00 00 00 00 00 00 00 00 00
0x0fee0020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0030: 00 00 00 00 00 00 00 00 00 00 00 00 00 ce ae 33
0x0fee0040: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0050: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0060: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0070: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0080: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0090: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee00f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0110: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0120: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0130: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0140: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0150: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0160: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0170: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0190: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee01f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0200: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0210: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0220: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0230: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0240: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0250: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0260: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0270: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0280: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0290: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee02f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0300: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0310: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0320: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0330: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0340: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0350: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0360: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0370: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0380: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0390: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee03f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0440: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0450: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0460: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0470: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0480: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0490: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee04f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0500: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0510: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0520: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0530: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0540: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0550: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0560: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0570: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0580: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0590: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee05f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0600: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0610: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0620: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0630: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0640: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0650: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0660: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0670: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0680: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0690: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee06f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0700: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0710: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0720: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0730: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0740: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0750: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0760: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0770: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0780: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee0790: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07a0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07b0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07c0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07d0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07e0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
0x0fee07f0: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
OOB Data: ff ff ff ff ff ff ff ff 4d 56 42 62 74 30 01 ff
OOB Data: ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB Data: 35 5d 8f b6 13 7e 01 97 f5 09 1d a5 6f 06 05 2b
OOB Data: ae c6 8c d5 73 ac 38 4e 61 0f c7 99 cc 5a ff ff
>
> Once you will have the trace, please do the same again without
> on-flash-bbt, this way we can compare both U-Boot and Linux layouts and
> find what is wrong.
>
Should I compile a new uboot without on-flash-bbt, disable it in the
kernel dts and finally scrub the last nand pages?
/Sean
More information about the linux-mtd
mailing list