Do not use root=/dev/mtdblock/2 but root=/dev/mtdblock2 even if you are using devfs
root=/dev/mdtblock/2 will be interpreted as root=/dev/mtdblock0 This is because of how the kernel parses the root argument on the command line. Hope this helps, K.D. > -----Original Message----- > From: Julien Eyries [mailto:julien.eyries at thales-bm.com] > Sent: 6. j?n? 2002 14:41 > To: linuxppc-embedded at lists.linuxppc.org > Subject: [Fwd: Re: kernel command line for CRAMFS root filesystem] > > > > -------- Original Message -------- > Subject: Re: kernel command line for CRAMFS root filesystem > Date: Thu, 06 Jun 2002 16:40:33 +0200 > From: Julien Eyries <julien.eyries at thales-bm.com> > To: acurtis at onz.com > References: <NCBBIINEHIPFGJPLBEIFKEEIDIAA.acurtis at onz.com> > > > i have never mounted it before . > > i am currently booting with initrd (good :-)) from my flash > and it works > fine( the commandline was : root=/dev/rd/0 ); > but now i want to replace that with a cramfs (better :-)) . > > anyway, i know i can acess to the range (start 0xfe100000 - length > 2MBytes) via my partition /dev/mtdblock/2 but if i try > something like : > root=/dev/mtdblock/2 then JFFS2 try to mount it as root > filesystem and > fails !!!!!! > > maybe i should add something to the commandline, in order to tell the > kernel that /dev/mtdblock/2 contains a CRAMFS partition ?? > > > > > > > Allen Curtis wrote: > > >>i have a cramfs image in flash, at address 0xfe100000 > (length of image > >>is 2MBytes). > >>what is the kernel command line "root=..." to use this > image as root > >>filesystem ? > >> > > > > What is the device name when you mount it from a bootp session? The > name is > > probably the same... > > > > > > > -- > Julien Eyries > R&D engineer > Thales Broadcast & Multimedia (ex-thomcast) > email: julien.eyries at thales-bm.com > fax: 33(0) 1 34 90 31 10 > tel: 33(0) 1 34 90 31 01 > > > > > > -- > Julien Eyries > R&D engineer > Thales Broadcast & Multimedia (ex-thomcast) > email: julien.eyries at thales-bm.com > fax: 33(0) 1 34 90 31 10 > tel: 33(0) 1 34 90 31 01 > > ** Sent via the linuxppc-embedded mail list. See http://lists.linuxppc.org/
