Eraseblocks torture: OneNAND results
Artem Bityutskiy
dedekind at infradead.org
Fri Dec 8 08:30:19 EST 2006
Kyungmin,
On Fri, 2006-12-08 at 10:08 +0200, Artem Bityutskiy wrote:
> Ah, indeed, thanks. I will add bad block checking. Also, I am
> re-structuring the test now to make it baster and more torturous. I am
> going to do erase/write/operations with the whole group, not with each
> eraseblock separately. HW guys think it should cause more trouble for
> flash. I will notify you when to update.
I have re-worked the test and made it aware of bad eraseblock. The
updated version is at git.
I also got one more error, the log is attached. I do not know how it
happens that we write 0xAA but read 0x55. But what I can say is that the
first errors we saw were one-bit errors. Now we mostly get massive
corruptions. This looks strange. May be we should leave these (20-51)
eraseblocks alone and start torturing new set of eraseblocks.
Anyways, I hope you will run the test and see what you have on your
system.
I have attach one more failure log. The symptoms look the same. But now
we verify eraseblocks after erase, so we can be sure erase does not
leave garbage in eraseblocks.
--
Best regards,
Artem Bityutskiy (Битюцкий Артём)
-------------- next part --------------
insmod torture.ko dev=4
[12016.978698]
[12016.980529] =========================================================================================
[12016.990051] EB torture: Torture 32 eraseblocks (20-52) of mtd4
[12016.996093] EB torture: Write verify enabled
[13670.757598] - 00001000 erase cycles done
[15319.406188] - 00002000 erase cycles done
[15416.399993] EB torture: read wrong data from EB 43 after
[15416.412719] EB torture: Verify fails on 1 pages, 2016 bytes/16128 bits
[15416.419525] EB torture: The following is a list of all differences between what was read from flash and what was expected
[15416.431579] -----------------------------------------------------------------------------------------
[15416.441101] EB torture: Page 0 has 2016 bytes/16128 bits failing verify, starting at offset 0x0
[15416.450225] Offset Read Written
[15416.456115] 0x00000000: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.463745] 0x00000008: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.471374] 0x00000010: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.479003] 0x00000018: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.486633] 0x00000020: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.494262] 0x00000028: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.501892] 0x00000030: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.509521] 0x00000038: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.517150] 0x00000040: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.524780] 0x00000048: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.532409] 0x00000050: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.540039] 0x00000058: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.547668] 0x00000060: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.555297] 0x00000068: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.562927] 0x00000070: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.570556] 0x00000078: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.578186] 0x00000080: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.585845] 0x00000088: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.593475] 0x00000090: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.601104] 0x00000098: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.608734] 0x000000a0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.616363] 0x000000a8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.623992] 0x000000b0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.631622] 0x000000b8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.639251] 0x000000c0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.646881] 0x000000c8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.654510] 0x000000d0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.662170] 0x000000d8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.669799] 0x000000e0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.677429] 0x000000e8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.685058] 0x000000f0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.692687] 0x000000f8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.700317] 0x00000100: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.707946] 0x00000108: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.715576] 0x00000110: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.723205] 0x00000118: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.730834] 0x00000120: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.738464] 0x00000128: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.746093] 0x00000130: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.753540] 0x00000138: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.761169] 0x00000140: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.768798] 0x00000148: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.776428] 0x00000150: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.784057] 0x00000158: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.791687] 0x00000160: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.799316] 0x00000168: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.806945] 0x00000170: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.814575] 0x00000178: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.822204] 0x00000180: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.829833] 0x00000188: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.837463] 0x00000190: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.845092] 0x00000198: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.852722] 0x000001a0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.860351] 0x000001a8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.867980] 0x000001b0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.875610] 0x000001b8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.883239] 0x000001c0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.890869] 0x000001c8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.898498] 0x000001d0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.906158] 0x000001d8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.913787] 0x000001e0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.921417] 0x000001e8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.929046] 0x000001f0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.936676] 0x000001f8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15416.944305] 0x00000200: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
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[15418.225555] 0x00000740: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.233184] 0x00000748: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.240814] 0x00000750: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.248443] 0x00000758: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.256072] 0x00000760: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.263732] 0x00000768: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.271362] 0x00000770: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.278991] 0x00000778: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.286621] 0x00000780: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.294250] 0x00000788: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.301879] 0x00000790: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.309509] 0x00000798: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.317138] 0x000007a0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.324768] 0x000007a8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.332397] 0x000007b0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.340026] 0x000007b8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.347656] 0x000007c0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.355102] 0x000007c8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.362731] 0x000007d0: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.370361] 0x000007d8: 55 55 55 55 55 55 55 55 *** aa aa aa aa aa aa aa aa
[15418.377990] 0x000007e0: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa
[15418.391937] EB torture: verify failed for 0xAA55AA... pattern
[15418.397949] EB torture: torture finished after 2058 erase cycles
[15418.404235] EB torture: error -22 occurred during torturing
[15418.409851] =========================================================================================
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