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docs: add information about failing arm v8m boards
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pkoscik committed Aug 22, 2023
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Expand Up @@ -50,8 +50,9 @@ There were a lot of regressions (the synchronization sample regressions are unre
The “worst offender” is `CONFIG_TICKLESS_KERNEL=n` in philosophers. Technically this is an “in-tree” configuration `prj_tickless.conf`.
* From the looks of it most of the failing boards are ARM V8-M based.
* This could be related to this issue: [Possible regressions in ARM v8 boards](https://dev.antmicro.com/issues/46340).
* I’ve debugged one sample (`mps2_an521-philosophers`), and it dies on a `z_arm_mpu_init`.
* I’ve tested the same sample on my branch with partial MPU implementation, no improvements (albeit, my the implementation is still not complete).
* From the quick analysis that I've done, there are 59 philosophers regressions, 40 of them being V8-m based.
* I’ve debugged one sample (`mps2_an521-philosophers`), and it dies on a `z_arm_mpu_init`.
* I’ve tested the same sample on my branch with partial MPU implementation, no improvements (albeit, my the implementation is still not complete).


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