On 07.06.19 15:02, Proctor, Frederick M. (Fed) via Xenomai wrote:
I am installing Xenomai + Cobalt with the IPIPE patch on a Ubuntu
18-based x86/64 desktop system. I have these versions:
Linux kernel 4.14.71 PREEMPT_RT patch 4.14.71-rt44 IPIPE 4.14.71
Latest stable I-pipe version is ipipe-core-4.14.111-x86-3.
I have compiled the kernel three different ways: the stock
configuration, with the PREEMPT_RT patch, and with the IPIPE patch (no
PREEMPT_RT). I have configured out the ACPI processor, CPU_FREQ, and
CPU_IDLE options in all cases. The first two boot fine (stock kernel,
PREEMPT_RT). The IPIPE-patched kernel hangs during the initrd loading
phase.
I've tailored the kernel configuration somewhat based on the
hardware I have, but nothing has worked to get a booting IPIPE kernel.
Does anyone have guidance on setting up the IPIPE patch on an x86/64
kernel on a desktop Ubuntu 18 machine? I am planning on continuing to
trim down the kernel config options, but before I do this, I want to
ask this group if anyone has had a similar problem.
Does yous system start to boot again when the I-pipe kernel is built without
CONFIG_IPIPE and CONFIG_XENOMAI? If no, compare the config to a working one,
step-wise aligning to it.
Jan
