problem with ecc errors and ubifs

[Ricard Wanderlof]

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
Phone +46 46 272 2016                           Fax +46 46 13 61 30