linux-kernel - Re: UBI fastmap updates

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Date:	Thu, 02 Aug 2012 17:12:27 +0300
From:	Artem Bityutskiy <artem.bityutskiy@...ux.intel.com>
To:	Richard Weinberger <richard@....at>
Cc:	linux-mtd@...ts.infradead.org, linux-kernel@...r.kernel.org,
	adrian.hunter@...el.com, Heinz.Egger@...utronix.de,
	thomas.wucher@...utronix.de, shmulik.ladkani@...il.com,
	tglx@...utronix.de, tim.bird@...sony.com, Marius.Mazarel@...l.ro,
	nyoushchenko@...sta.com
Subject: Re: UBI fastmap updates

On Mon, 2012-07-09 at 14:18 +0200, Richard Weinberger wrote:
> This is the next round of UBI fastmap updates.
> It fixes all issues pointed out by Shmulik. :-)

I see the following errors when rung UBI tests on nandsim:

[ 3698.041511] UBI error: __wl_get_peb: no free eraseblocks
[ 3698.041781] UBI error: ubi_wl_get_fm_peb: no free eraseblocks
[ 3714.773064] UBI error: __wl_get_peb: no free eraseblocks
[ 3714.773336] UBI error: ubi_wl_get_fm_peb: no free eraseblocks

How can this happen? I do not have any bad blocks.

If I understand correctly, it can be only because of a bug. If I am
correct, could you please add a 'dump_stack()' to improve the error
report?

-- 
Best Regards,
Artem Bityutskiy

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