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Author Topic: plug stopped booting - Bad Magic Number  (Read 2209 times)
shane
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« on: May 06, 2009, 07:00:04 AM »

Hi,

my plug was working fine for a week or so but now it fails to boot.
When I watch the boot via the serial console the last line is "Bad Magic Number" when loading the kernel.
When I run "bad nand" it reports about 20 blocks.

I'd followed the steps on New_Plugger_How_To guide on the wiki and everything worked perfectly, detecting the DHCP server on my router and getting its IP address etc.  I was rebooted (hard and soft) several times with no problems.

I've made no changes since following the guide.

I'll try reinstalling everything but I'm worried now about reliability.
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_maxx_
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« Reply #1 on: May 18, 2009, 01:30:57 AM »

I had a similar problem. This comes from the bad blocks on your nand but it seems that you are knowing this.
I fixed the issue by changing the boot args to
Code:
nand read.jffs2...
This should take the bad blocks into account while reading. What you cannot avoid is that blocks become bad during normal operation so you realy lose information in your nand and than nothing else will help than reflashing your uboot/kernel.

Markus
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