ubi deadlock on .36+

[Artem Bityutskiy]

On Wed, 2010-11-03 at 23:30 +0200, Grazvydas Ignotas wrote:
> Hi,
> 
> there seems to be some issue with NAND on my OMAP3 board that causes
> CRC errors on 2.6.36 and 2.6.37-rc1. Those seem to be triggering a bug
> in UBI that makes it loop forever (or very long) printing this:
> 
> uncorrectable error :
> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes
> from PEB 0:512, read 512 bytes
> uncorrectable error :
> UBI error: ubi_io_read: error -74 (ECC error) while reading 512 bytes
> from PEB 68:512, read 512 bytes
> UBI: run torture test for PEB 68
> UBI: PEB 68 passed torture test, do not mark it a bad
> 
> 
> here is full log of one minute session, after which I killed power:
> http://notaz.gp2x.de/misc/pnd/logs/linux_20101103_ubi_lockup

Hmm, could you please enable UBI debugging and provide me the logs? See
here for some hints:
http://www.linux-mtd.infradead.org/doc/ubi.html#L_how_send_bugreport

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)