Re: [PATCH] mtd/ubi: fix initialization order of ubi subsystems

[Richard Weinberger <richard@xxxxxx>]

----- Ursprüngliche Mail -----
>> Can you please share a little more about the problem you are facing?
>> Also produce_free_peb() should not get called at this point.
>> So before we flip the order of initialization I'd like to understand the
>> problem better.
> 
> We faced a cycle rebooting in u-boot during ubi initialization. The problem
> appears approximately once per week on a random router from our test farm.
> We never trigger this problem in linux (only in u-boot).
> 
> From the other side ubi code in u-boot is almost the same as ubi code in linux
> kernel (it backported from linux periodically), so it make sense to fix it in
> linux as well to help with future porting.
> 
> PS we send the same patch to u-boot.

In u-boot the story is a little different because it has no concept of
threads and executes work immediately.

Do you see this on a recent u-boot?
With this commit in u-boot this problem should not happen:
f82290afc847 ("mtd: ubi: Fix worker handling")

Thanks,
//richard

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