[U-Boot] UBI issues on SAMA5D31 NOR flash

[Heiko Schocher <hs@denx.de>]

Hello Andy,

Am 02.10.2014 10:16, schrieb Andy Pont:
> Hello Heiko,
>
>>> UBI error: vtbl_check: reserved_pebs 81, ubi->good_peb_count 80
>>> UBI error: vtbl_check: too large reserved_pebs, good PEBs 80
>>>
>>> Use of UBI is new to me so where are the PEBs configured?
>>
>> Good question ... looking into vtbl_check(), the "reserved_pebs" value
>> is read from the record in the volume table:
>>
>>                   reserved_pebs = be32_to_cpu(vtbl[i].reserved_pebs);
>>
>> "@reserved_pebs: how many physical eraseblocks are reserved for this
>> volume"
>
> I have changed the size of the partition as defined in U-Boot and also
> reduced the maximum image size when creating the UBI image and have found a
> combination that moves me on to the next error:
>
> U-Boot>  ubi part rootfs
> UBI: attaching mtd2 to ubi0
> UBI: physical eraseblock size:   131072 bytes (128 KiB)
> UBI: logical eraseblock size:    130944 bytes
> UBI: smallest flash I/O unit:    1
> UBI: VID header offset:          64 (aligned 64)
> UBI: data offset:                128
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> - Warning: 1 protected sectors will not be erased!
> UBI error: ubi_io_write: error -5 while writing 64 bytes to PEB 0:0, written
> 0 bytes

What says flinfo ? It seems you have protected sectors on
your nor flash ... you must unprotect them before using it ...

> UBI error: erase_worker: failed to erase PEB 0, error -5
> UBI error: erase_worker: bad physical eraseblock 0 detected
> UBI warning: ubi_ro_mode: switch to read-only mode
> UBI error: do_work: work failed with error code -5
> UBI error: autoresize: cannot auto-resize volume 0
> UBI error: ubi_init: cannot attach mtd2
> UBI error: ubi_init: UBI error: cannot initialize UBI, error -30
> UBI init error 30
>
> Hopefully this may be the last hurdle to overcome but somehow I think maybe
> not!

Cheer up!

bye,
Heiko
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