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Old 10-21-2021, 11:32 PM   #36
sherman
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Posts: 876
Karma: 2676800
Join Date: Aug 2008
Location: Taranaki - NZ
Device: Kobo Aura H2O, Kobo Forma
Quote:
Originally Posted by davidfor View Post
I have put this firmware on my Aura H2O. And it appears to work fine. But, a discussion elsewhere pointed out a potential problem.

The space needed in the root partition for this firmware package is over 200MB. This is significantly larger than the 4.28 packages for the older devices. On my Aura H2O, I have about 27.3MB of freespace in the root partition. The extra space is taken by the bluetooth and audio book related drivers and code. The size of the root partitions on the Elipsa, Sage and Libra have been increased to handle this. I assume they have simply doubled it from the previous 256MB, but, can't check until I get one.

The problem is that this might not be enough space for unpacking larger books. I don't know at what point this will be a problem. Or if it will affect different formats more than others. But, it could be a problem for any format. It might also be a problem when importing new books. In that case, it could be a problem if a lot of large books were imported at the same time.

This should not be an issue when an update is issued for the older devices. The firmware update packages are built with only the drivers and libraries that are used by the devices the package is intended for.

As always, if you install a firmware update package that is not intended for your device, there is a risk, and you need to accept that.
Just checked my test Glo:
Code:
Filesystem                Size      Used Available Use% Mounted on
/dev/root               247.9M    243.0M      4.9M  98% /
Err... that's definitely cutting it a bit fine! Thanks for the heads up.
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