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Subject: Re: UBIFS mount failure upon power off
From: Artem Bityutskiy <dedekind1@gmail.com>
To: Mark <xiaoming1981.zhang@gmail.com>
Date: Sun, 22 Apr 2012 17:31:04 +0300
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On Sun, 2012-04-22 at 17:23 +0300, Artem Bityutskiy wrote:
> > 3. I fixed this problem, in most situations the ubifs can recover=20
> > successfully,
> >     but I still get this error (though difficult to reproduce):
> >=20
> >         UBI error: ubi_io_read: error -77 while reading 126976 bytes=
=20
> > from PEB 2:4096, read 126976 bytes
> >         UBIFS error (pid 481): insert_node: duplicate sqnum in replay
> >         mount: mounting ubi13_0 on /usr/local/hmt/appdata failed:=20
> > Invalid argument
> >=20
> >     What could be the reason?
>=20
> Difficult to say, enable UBI debugging - it will print more information
> (not all the debugging messages, just debugging).
>=20

It is particularly interesting where in UBI code this is hit - do you
have stack trace? I thought all UBI code handles -EBADMSG.

--=20
Best Regards,
Artem Bityutskiy

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