Re: [PATCH 1/2] UBI: Fix error path in scan_pool()

From: Richard Weinberger
Date: Fri Sep 27 2013 - 07:02:05 EST


Am 26.09.2013 11:25, schrieb Richard Genoud:
> I added some traces and I found that : (dumping ec_header after
> "ubi_io_read_ec_hdr(ubi, pnum, ech, 0); " in ubi_scan_fastmap())
> [ 0.812500] UBI: default fastmap pool size: 95
> [ 0.820312] UBI: default fastmap WL pool size: 25
> [ 0.828125] UBI: attaching mtd2 to ubi0
> [ 0.851562] ubi_scan_fastmap:
> [ 0.859375] Erase counter header dump:
> [ 0.859375] magic 0x55424923
> [ 0.867187] version 1
> [ 0.867187] ec 1
> [ 0.867187] vid_hdr_offset 2048
> [ 0.875000] data_offset 4096
> [ 0.875000] image_seq 891983656 <- image seq is good.
> [ 0.875000] hdr_crc 0x13cc9a78
> [ 0.882812] erase counter header hexdump:
> [ 0.882812] 00000000: 55 42 49 23 01 00 00 00 00 00 00 00 00 00 00
> 01 00 00 08 00 00 00 10 00 35 2a 97
> 28 00 00 00 00 UBI#....................5*.(....
> [ 0.890625] 00000020: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
> 00 00 00 00 00 00 00 00 00 00 00 00
> 00 13 cc 9a 78 ...............................x
> [ 0.960937] UBI error: scan_pool: bad image seq: 0x0, expected: 0x352a9728

BTW: Do you really print the same PEB as scan_pool() complains about?
Do you know how many PEBs for one fastmap are needed on your target?

Thanks,
//richard
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