From: CRANESOFT <sailingsmoky@googlemail.com>
To: Sascha Hauer <s.hauer@pengutronix.de>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: Booting PhyTec PCM043/IMX35 from USB/SD-Card
Date: Thu, 31 May 2012 21:13:07 +0200 [thread overview]
Message-ID: <522FDB4A-4438-4833-A801-D52C53F121D0@crane-soft.de> (raw)
In-Reply-To: <20120531182724.GA30400@pengutronix.de>
Am 31.05.2012 um 20:27 schrieb Sascha Hauer <s.hauer@pengutronix.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
>
Sascha,
I am sorry but this issue has not yet been resolved. I am currently out of office but will pick it up after my return. It may well be a Kernel configuration Problem.
Peter
>
> --
> Pengutronix e.K. | |
> Industrial Linux Solutions | http://www.pengutronix.de/ |
> Peiner Str. 6-8, 31137 Hildesheim, Germany | Phone: +49-5121-206917-0 |
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next prev parent reply other threads:[~2012-05-31 19:13 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
2012-05-31 19:13 ` CRANESOFT [this message]
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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