linux-kernel - Re: MTD : Kernel oops when remounting ubifs as read/write

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Message-ID: <5140614D.2060102@mimc.co.uk>
Date:	Wed, 13 Mar 2013 11:21:49 +0000
From:	Mark Jackson <mpfj-list@...c.co.uk>
To:	dedekind1@...il.com
CC:	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-omap@...r.kernel.org" <linux-omap@...r.kernel.org>,
	lkml <linux-kernel@...r.kernel.org>, adrian.hunter@...el.com
Subject: Re: MTD : Kernel oops when remounting ubifs as read/write

On 13/03/13 11:20, Artem Bityutskiy wrote:
> On Wed, 2013-03-13 at 11:12 +0000, Mark Jackson wrote:
>>> -	if (c->space_fixup) {
>>> -		err = ubifs_fixup_free_space(c);
>>> -		if (err)
>>> -			goto out;
>>> -	}
>>> -
>>>  	mutex_unlock(&c->umount_mutex);
>>>  	return err;
>>>
>>
>> Sorry ... this just locks up the unit.
> 
> Am I right that to reproduce it I need any image with the 'fixup' flag
> set, then I should put it on the flash, mount it R/O and then remount
> R/W. Right?
> 

Yes ... this is on a custom AM335x board, where the ubi image must be created
with the "-F" flag.

Cheers
Mark J.
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