[ELDK] umount on jffs2 file system some times hangs
wd at denx.de
Tue Jan 26 13:37:51 CET 2010
Dear Yigal Goldberger,
In message <582964.65537.qm at web38908.mail.mud.yahoo.com> you wrote:
> Thanks for taking the time to answer so quickly .
> I'm using S29GL256N and Am29LV256M (not on the same board) .
> 1. You're right , I think it does return after a few minutes .
> But successive umounts return quickly.
This means that the JFFS2 garbage collector thread has to complete
"formatting" of the file system partition.
> 2. According to our HW guy , it's a NOR flash .
> The partition is 30MB , but the file system only occupies ~7.5MB .
Yes, initializing such a big partition may take some time.
> 3. ps (my ps doesn't support these options) shows :
> 993 root 3868 D umount /mnt/mtd/
> 1003 root 4172 R ps
You should see the jffs2-gc thread running.
Can you pre-initialize the whole file system area (by installing a
properly formatted file system image that matches the full size) ?
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