Re: problem with ecc errors and ubifs

Ricard Wanderlof
2013-10-22T14:11:50Z

On Tue, 22 Oct 2013, Steffen Kühn wrote:

> thanks for your answer.
>
>> The risk would be that eventually the number of errors would grow past
>> the ECC capability and subsequently lead to unreadable data. If there
>> indeed is a bug in the scrubbing mechanism, I agree it would be better
>> to just correct the bits and hope not too many of them flip. But it
>> would be better to try and fix the problem with scrubbing...
>
> I agree with you that a fix of the scrubbing mechanism would be better.
> Unfortunately, the problem is very hard to reproduce (and debug).

So it happens very seldom then?

> And perhaps it is already solved? My kernel is not the newest. But it is
> not possible to change the version because we have some patches (related
> to other hardware) which only works with kernel 3.2.
>
> Do you know about some important bug fixes which have something to do
> with the "scrubbing" in the last months?

Not offhand, but I don't keep track of all corrected bugs. A quick scan in
the mailing list archives might be useful.

/Ricard
--
Ricard Wolf Wanderlöf ricardw(at)axis.com
Axis Communications AB, Lund, Sweden www.axis.com
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