From: "Sean Nyekjær" <sean.nyekjaer@prevas.dk>
To: Miquel RAYNAL <miquel.raynal@free-electrons.com>
Cc: <ezequiel.garcia@free-electrons.com>,
<linux-mtd@lists.infradead.org>,
"Kasper Revsbech (KREV)" <krev@triax.com>,
Boris Brezillon <Boris.Brezillon@free-electrons.com>
Subject: Re: [BUG] pxa3xx: wait time out when scanning for bb
Date: Wed, 13 Dec 2017 10:31:44 +0100 [thread overview]
Message-ID: <b1ab1a42-026b-d9fd-c137-0e57317020b5@prevas.dk> (raw)
In-Reply-To: <20171213094105.73646658@xps13>
Hi Miquel
> Hi Sean,
>
>>>>> I insist on the fact that this is something I could have spotted
>>>>> earlier
>>>>> if you had blindlessly copy/pasted the *entire* trace, I don't
>>>>> mind if it is big, it can be really interesting for others to get
>>>>> the full trace.
>>>>>
>>>>> This time I only need the trace without the "on-flash-bbt"
>>>>> property.
>>>
>> I have double checked the result without kernel bbt and the bbt
>> written from uboot, the marvell_nand driver is reading 0xFF's...
> That is weird. I am gonna check with my setup if the sequence I ask you
> actually works.
>
>> Tracing:
>> U-Boot 2017.11-00035-ge9282bb30b-dirty (Dec 12 2017 - 11:22:21 +0100)
> "-dirty"? Is the 17.11 U-Boot clean around the NAND area? What did you
> change from mainline code?
Clean nand code, just added debug print so we are able to see if the bbt
is read correctly etc.
>
>
>> 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@30000 (eth0) using random MAC address -
>> d6:4c:37:5e:b6:28 eth0: ethernet@30000
>> => nand erase.part ubi0; nand scrub 0xFF80000 0x80000; nand bad
>>
>> NAND erase.part: device 0 offset 0x100000, size 0xff00000
>> Skipping bad block at 0x0ff00000
>> Skipping bad block at 0x0ff20000
>> Skipping bad block at 0x0ff40000
>> Skipping bad block at 0x0ff60000
>> Skipping bad block at 0x0ff80000
>> Skipping bad block at 0x0ffa0000
>> Skipping bad block at 0x0ffc0000
>> Skipping bad block at 0x0ffe0000
>>
>> OK
>>
>> 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
>>
>> Device 0 bad blocks:
>> 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
>> 0ff00000
>> 0ff20000
>> 0ff40000
>> 0ff60000
>> 0ff80000
>> 0ffa0000
>> 0ffc0000
>> 0ffe0000
>> => boot
>> [ ... ]
> Please, stop doing this, we _really_ _really_ _really_ want the *full*
> log, no matter if you think this part is irrelevant.
>
> If for you the trace is too big, please use
> http://code.bulix.org/ or https://pastebin.com/
Nothing magic happens, just tftpboot. I will dump to gist next time ;-)
See link below
>> [ 2.699996] nand: device found, Manufacturer ID: 0x2c, Chip ID:
>> 0xda [ 2.706413] nand: Micron MT29F2G08ABAEAH4
>> [ 2.710461] nand: 256 MiB, SLC, erase size: 128 KiB, page size:
>> 2048, OOB size: 64
>> [ 2.718122] nand: NAND_ECC_NONE selected by board driver. This is
>> not recommended!
>> [ 2.725750] nand: WARNING: pxa3xx_nand-0: the ECC used on your
>> system is too weak compared to the one required by the NAND chip
>> [ 2.737295] Scanning device for bad blocks
>> [ 2.886451] 2 cmdlinepart partitions found on MTD device
>> pxa3xx_nand-0 [ 2.893008] Creating 2 MTD partitions on
>> "pxa3xx_nand-0": [ 2.898429] 0x000000000000-0x000000100000 :
>> "uboot" [ 2.903806] 0x000000100000-0x000010000000 : "ubi0"
>> [ ... ]
>> root@output-module:~# nanddump -nop -l 0x800 --bb=dumpbad -s
>> 0xFE80000 /dev/mtd1
> While I am investigating on my side, could you please:
> - dump the same pages as before from U-Boot, with the OOB area of
> course (do not substract the 0x100000 offset from U-Boot), I want
> to see if there is actually something in these pages.
=> nand dump 0xFFC0000
Page 0ffc0000 dump:
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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OOB:
ff ff ff ff ff ff ff ff
31 74 62 42 56 4d 01 ff
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=> nand dump 0xFFE0000
Page 0ffe0000 dump:
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ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
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ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff
OOB:
ff ff ff ff ff ff ff ff
4d 56 42 62 74 30 01 ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
ff ff ff ff ff ff ff ff
=>
> - dump the entire MTD1 device from Linux (same configuration as before)
> and grep for the string "MVBbt".
https://gist.github.com/anonymous/2264abdc94e5d12e3efa8fc085fa1dd5
/Sean
next prev parent reply other threads:[~2017-12-13 9:32 UTC|newest]
Thread overview: 85+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-11-28 9:12 [BUG] pxa3xx: wait time out when scanning for bb Sean Nyekjær
2017-11-28 13:02 ` Miquel RAYNAL
2017-11-28 13:12 ` Sean Nyekjær
2017-11-28 13:30 ` Miquel RAYNAL
2017-11-28 13:42 ` Sean Nyekjær
2017-11-28 14:04 ` Miquel RAYNAL
2017-11-29 7:14 ` Sean Nyekjær
2017-11-29 8:03 ` Miquel RAYNAL
2017-11-30 12:00 ` Sean Nyekjær
2017-11-30 17:18 ` Miquel RAYNAL
2017-11-30 18:13 ` Sean Nyekjær
2017-12-01 8:15 ` Miquel RAYNAL
2017-12-01 8:54 ` Sean Nyekjær
2017-12-07 20:38 ` Miquel RAYNAL
2017-12-08 9:04 ` Sean Nyekjær
2017-12-08 9:21 ` Miquel RAYNAL
2017-12-11 8:25 ` Sean Nyekjær
2017-12-11 8:45 ` Sean Nyekjær
2017-12-11 9:53 ` Miquel RAYNAL
2017-12-11 10:20 ` Sean Nyekjær
2017-12-11 11:35 ` Sean Nyekjær
2017-12-11 13:22 ` Sean Nyekjær
2017-12-11 14:02 ` Miquel RAYNAL
2017-12-11 14:09 ` Miquel RAYNAL
2017-12-11 14:49 ` Boris Brezillon
2017-12-12 8:44 ` Sean Nyekjær
2017-12-12 8:51 ` Miquel RAYNAL
2017-12-12 8:56 ` Sean Nyekjær
2017-12-12 10:12 ` Miquel RAYNAL
2017-12-12 10:55 ` Sean Nyekjær
2017-12-12 11:08 ` Miquel RAYNAL
2017-12-12 11:28 ` Sean Nyekjær
2017-12-12 11:35 ` Miquel RAYNAL
2017-12-12 11:49 ` Sean Nyekjær
2017-12-12 12:47 ` Miquel RAYNAL
2017-12-12 13:09 ` Sean Nyekjær
2017-12-12 13:35 ` Miquel RAYNAL
2017-12-12 18:10 ` Sean Nyekjær
2017-12-12 18:23 ` Miquel RAYNAL
2017-12-13 6:25 ` Sean Nyekjær
2017-12-13 8:41 ` Miquel RAYNAL
2017-12-13 9:31 ` Sean Nyekjær [this message]
2017-12-15 17:25 ` Miquel RAYNAL
2017-12-15 18:56 ` Sean Nyekjær
2017-12-15 19:19 ` Miquel RAYNAL
2017-12-17 11:56 ` Sean Nyekjaer
2017-12-17 13:19 ` Boris Brezillon
2017-12-17 21:47 ` Sean Nyekjaer
2017-12-17 22:00 ` Boris Brezillon
2017-12-17 22:15 ` [SPAM] " Sean Nyekjær
2017-12-17 22:19 ` Boris Brezillon
2017-12-17 22:19 ` Miquel RAYNAL
2017-12-18 6:23 ` Sean Nyekjær
2017-12-18 8:56 ` Miquel RAYNAL
2017-12-18 9:26 ` Sean Nyekjær
2017-12-18 9:35 ` Miquel RAYNAL
2017-12-18 10:12 ` Sean Nyekjær
2017-12-18 10:19 ` Miquel RAYNAL
2017-12-18 10:26 ` Sean Nyekjær
2017-12-18 10:45 ` Boris Brezillon
2017-12-18 10:48 ` Sean Nyekjær
2017-12-18 12:43 ` Boris Brezillon
2017-12-18 8:57 ` [SPAM] " Boris Brezillon
2017-12-17 13:48 ` Boris Brezillon
2017-12-11 20:11 ` Miquel RAYNAL
2017-12-09 23:18 ` Ezequiel Garcia
2017-12-10 14:17 ` Miquel RAYNAL
2017-12-11 12:30 ` Ezequiel Garcia
2017-12-11 13:13 ` Miquel RAYNAL
2017-12-11 16:08 ` Ezequiel Garcia
2017-12-11 16:41 ` Miquel RAYNAL
[not found] ` <CAL92e2W7fLjVOWFgH2PpRLRP7Tf5L1vta0jduWm+bTVm647MNQ@mail.gmail.com>
2017-12-11 16:24 ` Ezequiel Garcia
2017-12-11 16:45 ` Boris Brezillon
2017-12-11 21:16 ` Boris Brezillon
2017-12-12 6:01 ` Greg Cook
2017-12-12 7:09 ` Ezequiel Garcia
2017-12-12 7:30 ` Greg Cook
2017-12-12 8:15 ` Boris Brezillon
2017-12-12 16:22 ` Ezequiel Garcia
2017-12-12 6:36 ` Sean Nyekjær
2017-12-12 6:50 ` Ezequiel Garcia
2017-12-12 7:17 ` Greg Cook
2017-12-09 23:04 ` Ezequiel Garcia
2017-12-09 23:22 ` Ezequiel Garcia
2017-12-09 23:24 ` Ezequiel Garcia
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--in-reply-to=b1ab1a42-026b-d9fd-c137-0e57317020b5@prevas.dk \
--to=sean.nyekjaer@prevas.dk \
--cc=Boris.Brezillon@free-electrons.com \
--cc=ezequiel.garcia@free-electrons.com \
--cc=krev@triax.com \
--cc=linux-mtd@lists.infradead.org \
--cc=miquel.raynal@free-electrons.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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