Regarding UBI/UBIFS corruptions during random power-cuts.

[Ritesh Harjani]

Hi Richard,

On 8/7/2017 11:39 PM, Ritesh Harjani wrote:
> Hi Richard,
> 
> On 8/6/2017 2:35 PM, Richard Weinberger wrote:
>> Ritesh,
>>
>> Am 27.07.2017 um 16:11 schrieb Ritesh Harjani:
>>>> The error you're facing is rather generic.
>>>> In our case we can reproduce the issue very reliable when we enable 
>>>> the UBIFS /sys/kernel/debug/ubifs/chk_fs debugfs knob.
>>>> Can you please also try? Please note that chk_fs will make mounting 
>>>> UBIFS very slow.
>>>>
>>>> I'm very interested in your results, maybe it helps tracking down 
>>>> the root cause.
>>> Sure, I will give this a shot and let you know the outcome.
>>
>> Have you been able to trigger it again on your target?
> Yes, we tried reproducing with chk_fs enabled. But could not reproduce 
> it yet (earlier we were trying without chk_fs enabled). We will continue 
> to retry for more time. Is there anything specific scenario you think I 
> should include in power on/off to reproduce this issue. The test(with 
> chk_fs enabled) is still running since 6-7 hours.

This could not be reproduced yet. Ran tests for overnight.
Do you have anything else for us to try? Also kindly loops us in 
whenever you have any updates on the fix of this issue :)

Thanks
Ritesh

> 
>>
>> Thanks,
>> //richard
>>
> 

-- 
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project