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From: David Woodhouse <dwmw2@infradead.org>
To: zeusj@firstlinux.net
Cc: all in MTD mailinglist <linux-mtd@lists.infradead.org>
Subject: Re: misc question about MTD
Date: Wed, 15 May 2002 19:49:05 +0100	[thread overview]
Message-ID: <16906.1021488545@redhat.com> (raw)
In-Reply-To: <20020515183403.3C15D2755@sitemail.everyone.net>

zeusj@firstlinux.net said:
>  I erased the flash, and I mount it(I do all these just like mount
> JFFS),but I got the message that I have meet before (in the last board
> I ported): 
> jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00020024: 0x2f0c instead 
> jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00020028: 0x0001 instead

The flash is not completely erased. 

> Cowardly refusing to erase blocks on filesystem with no valid JFFS2
> nodes 

The flash is not completely erased, and doesn't contain _anything_ that 
looks like valid JFFS2 data, so we don't erase it and start using it, 
because you might have mounted the wrong partition.

> I know the "Last[3] is 9da5, datum is 6246" message is to tell me that
> what should be written is wrongly different from what be read from
> flash,its a sanity check,but why a printk() can affects the Flash
> write? 

Timing? You definitely have flash driver problems. 




--
dwmw2

  reply	other threads:[~2002-05-15 18:49 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-05-15 18:34 misc question about MTD Jim Zeus
2002-05-15 18:49 ` David Woodhouse [this message]
  -- strict thread matches above, loose matches on Subject: below --
2002-05-14  6:17 Jim Zeus
2002-05-14  7:40 ` David Woodhouse
2002-05-10  6:43 Jim Zeus
2002-05-10  7:23 ` David Woodhouse

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