Need advice: unable to mount filesystem

[Anil Kumar]

Hi,

On Wed, Feb 13, 2013 at 6:44 PM, Linus Walleij <linus.walleij at linaro.org> wrote:
> On Wed, Feb 13, 2013 at 1:29 PM, Amit Virdi <amit.virdi at st.com> wrote:
>
>> I have tried mounting the filesystem from DDR, that too with no success. One
>> observation is that before mounting the FS, the kernel throws a warning:
>> --
>> Warning: unable to open an initial console.
>
> This is not your problem. The kernel screams that all the time, (I once
> saw that explained and some ugly workaround for).
>
> This (from your log) is the real problem:
>
> VFS: Cannot open root device "mtdblock3" or unknown-block(31,3): error -14
> Please append a correct "root=" boot option; here are the available partitions:
> 1f00              64 mtdblock0  (driver?)
> 1f01             192 mtdblock1  (driver?)
> 1f02            2048 mtdblock2  (driver?)
> 1f03           14080 mtdblock3  (driver?)
> Kernel panic - not syncing: VFS: Unable to mount root fs on unknown-block(31,3)
> [<2000cb50>] (unwind_backtrace+0x0/0xf8) from [<2018655c>] (panic+0x8c/0x1d8)
> [<2018655c>] (panic+0x8c/0x1d8) from [<201f8d58>] (mount_block_root+0x1fc/0x2b8)
> [<201f8d58>] (mount_block_root+0x1fc/0x2b8) from [<201f90c0>]
> (prepare_namespace+0x160/0x1b8)
> [<201f90c0>] (prepare_namespace+0x160/0x1b8) from [<20185984>]
> (kernel_init+0x8/0xe4)
> [<20185984>] (kernel_init+0x8/0xe4) from [<20008e98>] (ret_from_fork+0x14/0x3c)

Please try with "rootwait" in bootargs.

I have also faced this type issue and solved by using "rootwait" .

Thanks,
Anil