JFFS2 noise okay or a problem?

Andy Green andy at openmoko.com
Sat Jan 26 20:36:46 CET 2008


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Somebody in the thread at some point said:
> Andy Green wrote:
>> Date: Sat, 26 Jan 2008 09:48:48 +0000
>> [    4.830000] Empty flash at 0x05d64a08 ends at 0x05d65000
> 
> I got these with a rootfs made for GTA01. Flash geometry is different in
> GTA02, and mkfs.jffs2 has to use the correct erase and write block sizes,
> or you get that sort of complaints.

No this is *definitely* from your canned image after some usage.  The
number of these "empty" guys increases with usage on the target.

>> Initially these Empty flash notices disappeared entirely after using the
>> canned filesystem from Werner, now there seems to be more of them.  But
>> it is true I am randomly resetting the board all day.
> 
> Hmm, you probably flashed some different rootfs, which wasn't for GTA02.
> My "canned" rootfs isn't a particularly good one, i.e., it still has the
> "environment killer" bug, so I wouldn't recommend it as anything but a
> reference for what you get with correct mkfs settings.

Sure, I use it because it solves the mount delay.  I removed the
initcript that trashed the env partition after DFU-ing it in.

> If you get such errors also with a "good" rootfs, then we'd have a new
> problem at our hands, though.

For this purpose, isn't your canned one a "good" one?

- -Andy

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