ubi_wl_get_peb: Unable to get a free PEB from user WL pool

[Richard Weinberger]

Am 05.08.2015 um 23:53 schrieb Jörg Krause:
> On Mi, 2015-08-05 at 23:45 +0200, Richard Weinberger wrote:
>> Jörg,
>>
>> Am 05.08.2015 um 23:38 schrieb Jörg Krause:
>>> On Mi, 2015-08-05 at 23:30 +0200, Richard Weinberger wrote:
> 
> [snip]
> 
>>>
>>> I attached the kernel boot log.
>>
>> Thanks.
>> That's a really small UBI setup.
>> [    3.202421] ubi1: default fastmap pool size: 10
>> [    3.207174] ubi1: default fastmap WL pool size: 5
> 
> What do you exactly mean by small UBI setup? The fastmap pool size? The
> UBI layout?

The UBI image it self. Your MTD is very small.
But it should not matter.

> [snip]
> 
>>>
>>> It is enabled in the kernel config. Not sure how to use it.
>>
>> Then just disable it. :)
> 
> I did :) I thought fastmap is used automatically by the UBI driver?

It will *use* fastmap automatically but not convert non-fastmap UBI images
to fastmap.
You can enable ubi.fm_autoconvert to do so.

>> Meanwhile I'll find out what exactly is going on.
> 
> Many thanks!

Can you please apply the attached debug patch?
I wonder why exactly the auto resize function is failing.

Thanks,
//richard
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