From: Sascha Hauer <s.hauer@pengutronix.de>
To: "Peter Kuennemann@Crane-Soft" <pkue@crane-soft.de>
Cc: barebox@lists.infradead.org
Subject: Re: Booting PhyTec PCM043/IMX35 from USB/SD-Card
Date: Thu, 31 May 2012 20:27:24 +0200 [thread overview]
Message-ID: <20120531182724.GA30400@pengutronix.de> (raw)
In-Reply-To: <4FBF5268.1040900@crane-soft.de>
Hi Peter,
On Fri, May 25, 2012 at 11:35:36AM +0200, Peter Kuennemann@Crane-Soft wrote:
>
>
> To have kernel in flash and rootfs on MMC i tried bootargs as:
>
> ... root=/dev/mmcblk0p1 rootfstype=ext2 rootflags=noatime rw noinitrd rootwait ..
>
> and it boots the kernel properly from flash up to:
> ...
> mmcblk0: mmc0:a95c SD01G 968 MiB <== Recognized the sd card
> mmcblk0: p1 <== and partion 1
> ...
> 1f00 256 mtdblock0 (driver?)
> 1f01 128 mtdblock1 (driver?)
> 1f02 2048 mtdblock2 (driver?)
> 1f03 30336 mtdblock3 (driver?)
> 1f04 1048576 mtdblock4 (driver?)
> b300 992000 mmcblk0 driver: mmcblk
> b301 991585 mmcblk0p1 <=== Something missing here?
> No filesystem could mount root, tried: ext2 <===
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(179,1) <===
>
> The mmc does contain a ext2 filesystem with the proper rootfs copied from
> the jffs2.image that I mounted under Ubuntu as loop device. The kernel has ext2 fs
> support compiled in.
>
> The rootfs on the mmc is properly accessible when booting kernel and flash footfs
> on the very same platform.
Has this been solved in the mean time? The above looks correct, I have
no idea what's wrong.
Sascha
--
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Industrial Linux Solutions | http://www.pengutronix.de/ |
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next prev parent reply other threads:[~2012-05-31 18:27 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-23 15:43 Peter Kuennemann@Crane-Soft
2012-05-24 19:55 ` Sascha Hauer
2012-05-25 9:35 ` Peter Kuennemann@Crane-Soft
2012-05-31 18:27 ` Sascha Hauer [this message]
2012-05-31 19:13 ` CRANESOFT
2012-06-28 6:53 ` Peter Kuennemann@Crane-Soft
2012-06-28 10:43 ` Sascha Hauer
2012-06-28 13:36 ` Peter Kuennemann@Crane-Soft
2012-06-28 13:54 ` Sascha Hauer
2012-08-23 17:59 ` Peter
2012-08-24 8:46 ` Jan Lübbe
2012-08-27 7:45 ` Peter
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