SHR Qi booting: alignment trap, broken UBIFS

Christ van Willegen cvwillegen at
Thu Jul 29 07:59:15 CEST 2010

On Wed, Jul 28, 2010 at 9:33 PM, Alexander Lehner
<lehner at> wrote:
> In earlier posts I mentioned that my ubifs filesystem was mounted
> readonly, which shouldn't be the case.

I've sen this, too. The only thing that I could attribute it to, is
unexpected power-downs by:
- Removing battery
- Very low power and subsequent emergency power down

Whenever I his this, I reflashed, but about a week or 2 ago, I just
rebooted again. To my amazement, the file system somehow 'restored'
itself and got mounted rw.

After that incident, I've run into a few other 'mounted ro' situations
(power consumtion seems to've gone _way_ up lately!!), and I've had
this 'reboot and pray' situation pay off every time up to now.

I haven't checked what happens when I start up w/ debug messages. I'll
try (I forgot to take my phone with me today!! :-( )

> The reparation seems to work after two or three reboots, until then the
> filesystem remains readonly. I also have the effect that I cannot pass the
> 'set root password' dialog of the first time configuration wizzard.
Me neither, not even with a password that I'd see as 'strong enough'.
Ah well, it's in the bug tracker, I think...

Christ van Willegen
09 F9 11 02 9D 74 E3 5B D8 41 56 C5 63 56 88 C0

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