"Bezdeka, Florian" <[email protected]> writes:
> On Wed, 2022-01-19 at 13:35 +0000, Bezdeka, Florian via Xenomai wrote: >> Hi all, >> >> after migrating from 4.19-ipipe to 5.10-dovetail internal users are >> reporting that they receive sporadic SIGXCPUs. The reported reason is >> "page_fault_user". >> >> After disabling the huge page support in 5.10 the issue vanished. Tests >> are still running, but we are optimistic that we found the root cause. >> >> Are there any known limitations to the huge page support in Xenomai / >> Dovetail? My understanding is that huge pages are supported by Xenomai, >> so any ideas where to look at? > > [1] is part of the 5.15-rebased dovetail branch but not part of the > 5.10-rebase branch and mentions huge page handling. Could that be > related? Maybe this patch is not 5.15 specific? > It is not 5.15 specific. The same logic would apply to 5.10. > [1] > https://source.denx.de/Xenomai/linux-dovetail/-/commit/b0a4f4c3891949d079aa3d65f2a56428a67e580c > >> >> Best regards, >> Florian -- Philippe.
