On Sun, Jun 1, 2014 at 9:06 AM, Leonardo Rodrigues <
leolistas@solutti.com.br
> wrote:
>
> Hello Everyone,
>
> I'm facing a critical problem with yaffs2 partition when using OpenWRT
> on RouterBoards, specially RB450 and RB450G, which are the ones i have to
> test/use.
>
> After normal operations of writing and deleting files, space seems to
> completly got lost on the partition until the point i get 'no space left
> on the device' and have to reflash the board to get it operational again.
> On RB450 board the space seems to get lost during reboots, while on
> RB450Gs it get lost on reboots as well as normal write/delete operations
> as well.
>
>From the description you give here, it is moat likely a problem with bad
block detection.
>
> I have found other users claiming similar problems with RouterBoards
> models as well, despite i can only test on RB450 and RB450G.
>
> As i'm facing the problem on OpenWRT, i have already opened a ticket
> to its bugtraq system, which had not received any attention yet.
>
> With latest OpenWRT svn versions, i think things will be hard to
> debug on yaffs part, as it seems that's for compiling 3.10 kernel, the
> /proc/yaffs files were disabled (done on OpenWRT revision 37285)
>
> https://dev.openwrt.org/changeset/37285
>
> I have also download the revision 37000, which still builds on kernel
> 3.9 and have the /proc/yaffs files, and the problem occurs exactly the
> same way as related on my bugtraq ticket to the OpenWRT team. If needed, i
> can provide /proc/yaffs contents between the tests i have made, just let
> me know in which points i can provide that information.
>
If you provide two or three /proc/yaffs dumps that would be helpful... one
near the start, one a few tests in and one towards the end.
You might also consider using inband tags to see if this makes the problem
go away.
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