cannot attach mtd6；vtbl_check: volume table check failed

对ubifs文件系统升级时，出现：

cannot attach mtd6； 

vtbl_check: volume table check failed

是mtd6分区大小不够造成的。我使用的是davinci平台：修改/kernel/arch/arm/mach-omap2/board_ti8148ipnc.c中mtd分区大小即可。

 

引用http://lists.infradead.org/pipermail/linux-mtd/2009-April/025127.html 

贴出源文：

Ubiattach problem after flashing an image

Artem Bityutskiy dedekind at infradead.org
Fri Apr 3 03:09:18 EDT 2009

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Hi,On Thu, 2009-04-02 at 15:58 +0200, simon polette wrote:> Hi,> > I'm using the last mtd utils version provided by the git mtd> repository. I want to flash an ubi image built with mkfs.ubfis and> ubinize into a Nand flash. Once the nand is flashed, when I try to> attach ubi, I get this error :> > # ubiattach  /dev/ubi_ctrl -m 2> [  968.980000] UBI: attaching mtd2 to ubi1> [  969.000000] UBI: physical eraseblock size:   131072 bytes (128 KiB)> [  969.030000] UBI: logical eraseblock size:    129024 bytes> [  969.050000] UBI: smallest flash I/O unit:    2048> [  969.060000] UBI: sub-page size:              512> [  969.080000] UBI: VID header offset:          512 (aligned 512)> [  969.100000] UBI: data offset:                2048> [  969.330000] UBI error: vtbl_check: volume table check failed:> record 1, error 9> ubiattach: error!: cannot attach mtd2>            error 22 (Invalid argument)> > The ubi image I use is ok because I already successfully flashed it> and used it with this hardware. This error appeared since I upgraded> both mtd utils and Linux kernel, but even if come back to the previous> versions I was used to work with, this error persist. I think I'm> doing something wrong, but don't know where at all.> Any idea is welcome.You did not enable debugging, as it is asked for here:http://www.linux-mtd.infradead.org/doc/ubifs.html#L_how_send_bugreportBut I took a look into the code, and the following is error 9:                if (reserved_pebs > ubi->good_peb_count) {                        dbg_err("too large reserved_pebs %d, good PEBs %d",                                reserved_pebs, ubi->good_peb_count);                        err = 9;                        goto bad;                }This means you created a too large UBI volume in the image,and your real flash is smaller.Try to enable UBI debugging, and type dmesg, then you'll seereserved and real eraseblock numbers.-- Best regards,Artem Bityutskiy (Битюцкий Артём)