GPMI NAND crashes with UBIFS
Artem Bityutskiy
dedekind1 at gmail.com
Wed Oct 17 09:21:52 EDT 2012
On Wed, 2012-10-17 at 15:16 +0200, Marek Vasut wrote:
> Ok, I'll re-check. Though I suspect this problem disappeared with the
> recently
> applied UBI patches.
No, you ask UBIFS to emulate a power cut, so it switched to R/O mode at
a random point. It printed scary error messages, which are normal
because an I/O operation failed. Then integck reported you the error and
stopped.
All expected.
If you use -p integck option you will just make integck _not_ fail when
the file-system suddenly becomes R/O, integck will just unmount it,
mount back, remove all its data, and start over. Then you'll get another
emulated power cut, and so on.
Ideally this should never stop. The idea is to test that UBIFS can mount
the file-system in case of a power cut.
If there is a problem, integck should die.
To just stress-test your driver you do not need power-cut emulation.
--
Best Regards,
Artem Bityutskiy
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