Edinburgh, Scotland, UK
October 21 & October 25 | Co-Located Events, Tutorials, & Workshops
October 22-24 | Conference
Find out more information for Open Source Summit + Embedded Linux Conference & OpenIoT Summit Europe 2018

Please note that you can view and download presentations on the Open Source Summit and Embedded Linux Conference + OpenIoT Summit slides pages. 
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Tuesday, October 23 • 09:00 - 09:40
The Seven Year Leap - Updating a Product from Linux 2.6 to 4.15, a Real-World Project Case Study - Ed Langley, Kobilon

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Many Linux devices actively developed/maintained out there for niche markets are still running a 2.6 series kernel. Backporting becomes a regular habit, but often updating the kernel is deemed too risky.

In this talk, Ed Langley will discuss a real-world project in which he did just that - update a single purpose OMAP3 based Android device from 2.6.37 to 4.15.

What issues in the project finally led to the upgrade? How was the effort estimated? Convincing upper management to go ahead, task breakdown and planning out the approach.

On the technical side: What just worked, and what did not, what used to require a separate driver 7 years ago, and is now accomplished in 3 lines of a dts file. Closed source GPU driver woes, and fun with running 4.15 whilst trying to stick with Android KitKat. Yes, you can run old Android on a new kernel!

Finally, how long did it all take in the end?


Ed Langley

Software Engineering Lead, Kobilon
Ed has been working on device drivers, BSPs and userspace software for embedded products for Linux and other OSes, in a professional capacity for the last 12 years or so. Most of that time has been spent with embedded software consultancies - most recently Adeneo/Witekio and now Kobilon... Read More →

Tuesday October 23, 2018 09:00 - 09:40 BST
Lennox 1, Level -2