Subject: Re: Concern regarding Booting up of linux board ...

From: Misbah khan <[email-masked]>
Date: Thu, 5 Jun 2008 05:26:15 -0700 (PDT)

Misbah khan wrote:
> 
> Hi all ..
> 
> we are using IMX-31 (ARM Core) processor with Linux 2.6 and redboot as
> boot loader with jffs2 for NAND flash and facing the concerned problem :-
> 
> The board is booting fine but it sometimes takes 21 sec to boot and
> sometimes takes 31 sec to boot which is a concern for us actually it takes
> usually 21 sec and 31 sec sometimes 
> 
> If we remove the power after booting and again insert the power supply It
> gives the following warning message related to jffs2 ....
> 
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x011dec00: read 0x2464ba56, calculated 0x474915f8.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x0112be00: read 0x149efa32, calculated 0x8f32b0eb.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x0112ba00: read 0xdcfafeb2, calculated 0xb86eb888.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x013e8600: read 0x20bed1fc, calculated 0xe9509808.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x013e9200: read 0x6e4f40bd, calculated 0x28248aa4.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x013e8e00: read 0x6e4f40bd, calculated 0x59eaeede.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x011df000: read 0x6e4f40bd, calculated 0xbf916037.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x011dde00: read 0x6e4f40bd, calculated 0x946d0599.
> JFFS2 notice: (878) check_node_data: wrong data CRC in data node at
> 0x011dc800: read 0x6e4f40bd, calculated 0x1e890eaa.
> JFFS2 notice: (759) check_node_data: wrong data CRC in data node at
> 0x008c0200: read 0xd3ad877b, calculated 0xf4f0b5f9.
> JFFS2 notice: (759) check_node_data: wrong data CRC in data node at
> 0x0097b800: read 0x8d0623a1, calculated 0xefce6ce7.
> JFFS2 notice: (759) check_node_data: wrong data CRC in data node at
> 0x00965200: read 0x8d0623a1, calculated 0x92a2a227.
> 
> Having never experienced this before i do believe that this could be the
> jffs2 related concern hence just thinking of using YAFFS to increase the
> booting effeciency ...
> 
> 
> I would remain thankful if any of you could share your experience or
> thaught regarding this ...
> 
> Thank you 
> Misbah <><
> 

Thank you for your reply ....

This is not related to ARM processor specific rather its a generic problem
related to booting of Board Hence need for your help ...

Misbah <><

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