UBI attach and mounting problem after rebooting

[Subramani Venkatesh]

Xiaopeng,

I agree with you, I am facing issue with auto resize, I am able to get
it run with static image without anyproblem, however we need to handle
this, seems to be ECC shoudl be handled in our driver.
-Subbu

On Thu, Feb 19, 2009 at 5:14 PM, Yang, Xiaopeng
<xiaopeng.yang at windriver.com> wrote:
> I had the same problem before, but seems works fine when not using "auto
> resize" flag.
>
> Xiaopeng
>
> Subramani Venkatesh $B<LF;(B:
>>
>> Hi,
>> I am currently using UBIFS on NAND which has 128KiB Erase black, 2048
>> Pages, 512 Sub-Page. Linux Kernel-2.6.27.
>> I followed instructions from mtd-infradead to create UBIFS image...
>> I am facing attaching and mounting issues on UBIFS images  which is
>> "Dynamic" and "auto resize". Though I am successful in mounting for
>> the first time (after ubiformat), but I am failing after rebooting.
>> Please find below log for more details.
>>
>> First time after flashing Successfull in attaching and mouting filesystem
>>
>> ---------------------------------------------------------------------------
>>
>> UBI: attaching mtd4 to ubi0
>> UBI: physical eraseblock size:   131072 bytes (128 KiB)
>> UBI: logical eraseblock size:    129024 bytes
>> UBI: smallest flash I/O unit:    2048
>> UBI: sub-page size:              512
>> UBI: VID header offset:          512 (aligned 512)
>> UBI: data offset:                2048
>> UBI: volume 0 ("rootfs") re-sized from 732 to 787 LEBs
>> UBI: attached mtd4 to ubi0
>> UBI: MTD device name:            "System-NAND"
>> UBI: MTD device size:            100 MiB
>> UBI: number of good PEBs:        798
>> UBI: number of bad PEBs:         2
>> UBI: max. allowed volumes:       128
>> UBI: wear-leveling threshold:    4096
>> UBI: number of internal volumes: 1
>> UBI: number of user volumes:     1
>> UBI: available PEBs:             0
>> UBI: total number of reserved PEBs: 798
>> UBI: number of PEBs reserved for bad PEB handling: 7
>> UBI: max/mean erase counter: 0/0
>> UBI: background thread "ubi_bgt0d" started, PID 351
>>
>> UBIFS: mounted UBI device 0, volume 0, name "rootfs"
>> UBIFS: file system size: 84510720 bytes (82530 KiB, 80 MiB, 655 LEBs)
>> UBIFS: journal size: 9033728 bytes (8822 KiB, 8 MiB, 71 LEBs)
>> UBIFS: default compressor: LZO
>> UBIFS: media format 4, latest format 4
>> VFS: Mounted root (ubifs filesystem).
>> Freeing init memory: 152K
>> UBIFS: background thread "ubifs_bgt0_0" started, PID 402
>>
>>
>> BusyBox v1.6.1 (2008-07-17 12:54:29 CDT) Built-in shell (ash)
>> Enter 'help' for a list of built-in commands.
>>
>> /bin/sh: can't access tty; job control turned off
>> # hotplug used greatest stack depth: 5828 bytes left
>> hotplug used greatest stack depth: 5720 bytes left
>>
>> #
>> #
>> #
>>
>>
>> After rebooting, ubiattachment fails...
>> --------------------------------------------------------------------
>> 0x06940000-0x20000000 : "File System-NAND"
>> UBI: attaching mtd4 to ubi0
>> UBI: physical eraseblock size:   131072 bytes (128 KiB)
>> UBI: logical eraseblock size:    129024 bytes
>> UBI: smallest flash I/O unit:    2048
>> UBI: sub-page size:              512
>> UBI: VID header offset:          512 (aligned 512)
>> UBI: data offset:                2048
>> UBI error: ubi_io_read: error -74 while reading 64 bytes from PEB
>> 798:0, read 64 bytes
>> UBI error: ubi_io_read: error -74 while reading 64 bytes from PEB
>> 799:0, read 64 bytes
>> UBI error: ubi_read_volume_table: the layout volume was not found
>> UBI error: ubi_init: cannot attach mtd4
>> UBI error: ubi_init: UBI error: cannot initialize UBI, error -22
>> input: omap_twl4030keypad as /class/input/input0
>> twl4030_rtc twl4030_rtc: rtc core: registered twl4030_rtc as rtc0
>> Driver for 1-wire Dallas network protocol.
>> omap_hdq omap_hdq.0: OMAP HDQ Hardware Rev 0.5. Driver in Interrupt mode
>>
>>  Can someone suggest me what might be going wrong...
>>
>>
>> Thanks,
>> Subbu
>>
>> ______________________________________________________
>> Linux MTD discussion mailing list
>> http://lists.infradead.org/mailman/listinfo/linux-mtd/
>>
>
>