/ 2.6.9-rc3-ds1 jffs2 root mount failure - FAQ

Thomas Gleixner tglx at linutronix.de
Fri Oct 8 04:38:14 EDT 2004

On Fri, 2004-10-08 at 06:54, Prashant Alves wrote:
> Hi,
> I have been trying to get IXP425 based coyote board to boot with /
> 2.6.9-rc3-ds1 with mtd-snapshot-20041005. I have selected jffs2 to also be
> updated from the snapshot.
> However at bootup I get:
> Kernel panic - not syncing:VFS: Unable to mount root fs on
> unknown-block(31,2)
> The root on flash is a jffs2 filesystem and I pass root=/dev/mtdblock2 as
> my kernel parameters.
> The partition mounts fine when I boot using NFS and do a manual mount. It
> also  works fine as root on a 2.4.19-ds3 kernel that I have.
> Tracing through it seems get_fs_names() in mount_block_root() in
> init/do_mounts.c fails.

pass rootfstype=jffs2 in the commandline


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