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Originally Posted by NiLuJe
@WaseemAlkurdi: My bad, I was thinking of the PW2, which moved to an i.MX6SL.
The rest still stands though  . The libc might be an issue because it can be compiled to *require* a minimum kernel version. |
I'm unsure of the exact kernel version on the Paperwhite, but I do have a feeling that it runs the same kernel version, for a very simple reason.
The PW and the Touch have the same SoC. I'm sure that you are aware that it takes some effort to bring up Linux on a particular SoC. So, since they decided to reuse the i.MX508, they are very, very likely to have reused their existing Linux kernel trees as well, but slightly modifying them to add drivers for the frontlight and so on. And doing otherwise means that there is a very serious disconnect between Lab126's various teams (which I don't believe to be the case).
I'm betting that it runs none other than Linux Kernel 2.6.31, the one on my Kindle Touch.
Edit (noticed yours after submitting mine):
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Although, you might be in luck, since FW 5.9.7 was still setup to support Linux 2.6.32, even on PW2+ which moved at least to 3.0.35
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This is absolutely great news!
I was initially thinking about targeting 5.4.x, since this is the last version released to the original Paperwhite, but let's shoot for the stars!