JFFS2 Corruption.

Simon Haynes simon at baydel.com
Tue Feb 24 12:12:51 EST 2004

On Tuesday 24 Feb 2004 5:05 pm, Simon Haynes wrote:
> On Tuesday 24 Feb 2004 4:51 pm, David Woodhouse wrote:
> > Hack JFFS2 to always get_mtd_device number 2 and boot with
> > root=/dev/ram0
> Sorry again for being so stupid. I know you have only told me half a dozen
> times that JFFS2 does not use the block read and write routines.
> I have done this and rebooted several times. Normally I would expect a 
> error within a couple or reboots. As yet I have no CRC errors but I do get
> a large number of "Empty Flash" messages, about 15 per reboot. I do not see
> any of these if I boot via the network and mount and dismount the smc ?
> I will keep rebooting over night and hack the kernel to panic on a CRC
> error.
> Would you recommend changing the printk for the "Empty Flash" messages to a
> different level and using the ramdisk as a permanent solution ?

After several more reboots I got the message 

jffs2_get_inode_nodes(): Data CRC failed on node at 0x00050748: Read 
0x0b5da171, calculated 0xb1b1dbb

This actually came out after I had logged in ?

I will also look into changing my list to irc.freenode.net.

Many Thanks


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