Internal Memory Read Only?

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On Thu, Apr 03, 2008 at 08:35:37AM -0500, Scott Carr wrote:
> Quoting Scott Carr <scarr at progbits.com>:
> 
> > For some reason, my internal memory is now mounted as a read only
> > filesystem.  Not sure how this happened.  How would I go about making
> > it read write again?
> >
> > I have a 4 GB MiniSD card that I have recently put into the system.
> > That shouldn't have caused the Internal memory to go read only though
> > should it?
> 
> This was on an n810, and I was talking about the internal 2Gb card  
> with the Map data on it.
> 
> I hooked the n810 up via the USB cable to my Linux box, and was able  
> to run fsck.vfat on the partition.  I had to run it 4 times to get the  
> various errors fixed, but it finally came back with a good bill of  
> health.  This took care of my issue without having to format the drive  
> and reinstall the map files, and the backups I had taken.
> 
> If you are on Windows, you could probably use Knoppix to gain access  
> to fsck.vfat.

Also check that the partition size isn't larger than the device memory
(Nokia shipped devices with this broken configuration).  You can notice
this if you've got a Linux box: when you plug in the N810, run dmesg and
look for

  sdb: p1 exceeds device capacity

or 

  attempt to access beyond end of device
  sdb: rw=0, want=4013848, limit=3932160

See https://bugs.maemo.org/show_bug.cgi?id=2940


On the other hand, my internal 2 GB crashed and *lost all my data* even
after I fixed the "p1 exceeds device capacity" error after reformatting.
Reproducibly: https://bugs.maemo.org/show_bug.cgi?id=2802

I completely lost trust in the N810s internal memory and no longer keep
important data on it.

Nokia, of course, is silent on the issue.  Grr!

Angrily,
Marius Gedminas
-- 
To be intoxicated is to feel sophisticated but not be able to say it.
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