[Buildroot] Fwd: (AT91RM9200/DATAFLASH) Unable to create a *working* jffs2 rootfs.

Jorge S. jorgesolla at gmail.com
Thu Oct 18 12:59:56 UTC 2007


I always forget to add the list e-mail address on the CC, sorry...

---------- Forwarded message ----------
From: Jorge S. <jorgesolla at gmail.com>
Date: 18-oct-2007 14:57
Subject: Re: [Buildroot] (AT91RM9200/DATAFLASH) Unable to create a *working*
jffs2 rootfs.
To: Michael Trimarchi <trimarchimichael at yahoo.it>

I think my alignment is OK:

I'm using an AT45DB642B wich has a 1056 bytes pagesize

This is the MTD commandline for the kernel:

 mtdparts=AT45DB642.spi0:168960(boot),2162688(kernel),224400(raiz)
root=/dev/mtdblock2 rootfstype=jffs2

So we have:

(boot) 168960 bytes      -> (160 blocks of 1056 bytes)
(kernel) 2162688 bytes ->  (2048 blocks of 1056 bytes)
(raiz/root) rest of available space ...

I assume alinment to pagesize and *not* eraseblock, i am right? what do you
think?



2007/10/18, Michael Trimarchi <trimarchimichael at yahoo.it>:
>
>
> Hi
>
> >at91_rtc at91_rtc: setting the system clock to 1998-01-01 00:06:50
> (883613210)
> >JFFS2 write-buffering enabled buffer (1056) erasesize (8448)
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223ae4:
> 0x2001 instead
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223ae8:
> 0x3c00 instead
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223aec:
> 0x2000 instead
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223af0:
> 0x2bf4 instead
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223af4:
> 0x3000 instead
> >jffs2_scan_eraseblock(): Magic bitmask 0x1985 not found at 0x00223af8:
> 0x3001 instead
>
> Check if your partition is alignment, but I think so :)
> regards
> Michael
>
>
>
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