On 22.03.22 18:31, Greg Gallagher via Xenomai wrote: > On Tue, Mar 22, 2022 at 12:49 PM François Legal via Xenomai < > xenomai@xenomai.org> wrote: > >> Hello, >> >> trying to port a running Xenomai 3.1.x/Linux 4.4.x system to Xenomai >> 3.2.x/Linux 4.4.x running on Zynq7000, I found a (maybe) bug in intr.c >> >> In xnintr_attach, the call to ipipe_set_irq_affinity (when in SMP) expects >> a 0 return code. However, on my platform, I end up in irq_gic.c in >> gic_set_affinity() which returns IRQ_SET_MASK_OK_DONE (2) when everything >> is fine. >> >> This IRQ_SET_MASK_OK_DONE does not seem very common in the kernel (I could >> find a few occurences, on Gic v3 so maybe AARCH64 has the same problem, >> plus some PCI devices). >> >> I was wondering if this was something to fix in ipipe or xenomai ? >> >> François > > > Do the newer kernels have the same return value? Do we test 3.2.x on the > older kernels? Maybe just cip ? >
We limited testing to 4.4-cip with 3.0.x. Newer kernels require newer Xenomai, and vice versa. But let's first understand if the issue if 4.4-specific. Jan -- Siemens AG, Technology Competence Center Embedded Linux