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Subject: Re: ubi deadlock on .36+
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Grazvydas Ignotas <notasas@gmail.com>
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Date: Sat, 13 Nov 2010 14:37:11 +0200
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On Thu, 2010-11-04 at 15:07 +0200, Grazvydas Ignotas wrote:
> On Thu, Nov 4, 2010 at 9:29 AM, Artem Bityutskiy <dedekind1@gmail.com> wrote:
> > 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
> 
> done:
> http://notaz.gp2x.de/misc/pnd/logs/linux_20101103_ubi_lockup2

But would it be possible to enable all UBI debugging messages?

-- 
Best Regards,
Artem Bityutskiy (Артём Битюцкий)