Re: bootargs

From: Sascha Hauer <s.hauer@pengutronix.de>
To: Vanalme Filip <F.Vanalme@TELEVIC.com>
Cc: "barebox@lists.infradead.org" <barebox@lists.infradead.org>
Subject: Re: bootargs
Date: Thu, 3 Mar 2011 15:13:38 +0100	[thread overview]
Message-ID: <20110303141338.GR29521@pengutronix.de> (raw)
In-Reply-To: <6EE7D1502C48E44E92DCADF9DD3E0DB9017FF3B00FE1@SRV-VS06.TELEVIC.COM>

On Thu, Mar 03, 2011 at 03:00:07PM +0100, Vanalme Filip wrote:
> > -----Original Message-----
> > From: Sascha Hauer [mailto:s.hauer@pengutronix.de]
> > Sent: donderdag 3 maart 2011 13:33
> > To: Vanalme Filip
> > Cc: barebox@lists.infradead.org
> > Subject: Re: bootargs
> > 
> > On Thu, Mar 03, 2011 at 01:22:41PM +0100, Vanalme Filip wrote:
> > > In the current phase, I can boot the kernel, but it panics when trying to mount the
> > root filesystem.
> > > I downloaded a root filesystem from the server into the dedicated NAND partition
> > : tftp rootfs.jffs2 /dev/nand0.root.bb
> > > This seems to be OK.
> > >
> > > However, I have doubts about the bootargs I'm passing to the kernel :
> > >
> > > commandline: console=ttymxc0,115200 ip=dhcp root=/dev/mtdblock3
> > rootfstype=jffs2 earlyprintk
> > mtdparts=mxc_nand:256k(barebox)ro,128k(bareboxenv),2M(kernel),-(root)
> > >
> > > Does this look OK ?
> > 
> > Yes, looks good.
> > 
> > >
> > > These are the last lines of the console output when booting the kernel :
> > >
> > > IP-Config: Got DHCP answer from 0.0.0.0, my address is 10.0.49.70
> > > IP-Config: Complete:
> > >      device=eth0, addr=10.0.49.70, mask=255.255.0.0, gw=10.0.127.254,
> > >      host=10.0.49.70, domain=televic.com, nis-domain=(none),
> > >      bootserver=0.0.0.0, rootserver=0.0.0.0, rootpath=
> > > VFS: Unable to mount root fs via NFS, trying floppy.
> > > List of all partitions:
> > > No filesystem could mount root, tried:  jffs2
> > > Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(2,0)
> > 
> > Do you have enabled the mxc_nand driver in the kernel and also mtd
> > command line partitioning (CONFIG_MTD_CMDLINE_PARTS)?
> 
> [Filip] 
> I have CONFIG_MTD_CMDLINE_PARTS=y and CONFIG_MTD_NAND_MXC=y.

Hm. Can you post the complete boot log?

Sascha

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