Is this happening on master as well? I've commited a change (#1562 ) to ARM stack management not long ago. Perhaps I missed something. I'll have a look.
Johannes > I just encountered a problem with do_stackcheck(), and wanted to ask for > an opinion... > > In my (PX4) software I have got some threads, who define their stack > size unaligned by 4 bytes (uint32_t). The stack coloring works on > uint32, and thus doesn't color the topmost bytes of the stack when the > stack size is not aligned to 4. > > The arm_checkstack.c: do_stackcheck() on the other hand starts the > coloring check at " start = alloc & ~3;", which is actually (partially) > outside the stack. > > So in px4, I end up seeing stack usage 100% on some threads (in "ps"), > which I want to fix. So what would be the preferred way to fix this:
