Re: RTAI 5.0-test2 released

Sebastian Kuzminsky <[email protected]>
Newsgroups gmane.linux.real-time.rtai
Message-ID <[email protected]>
On 05/04/2016 02:07 AM, Pierangelo Masarati wrote:
> Dear RTAI enthusiasts,
>
> 5.0-test2 has been released.
>
> <https://www.rtai.org/userfiles/downloads/RTAI/rtai-5.0-test2.tar.bz2>
>
> It features modified latency calibrations, which should work also in
> case of cross development, added a user space SMI supervisor.
>
> Its parent VULCANO have been thoroughly checked and this test release
> should aim at verifying if its make-install stuff works as expected.
>
> Please test and report thru this mailing list, as usual.

Thanks, Pierangelo!  The new cross calibration stuff is great, really 
helps my work flow.

However, i'm having trouble running tests in a virtual machine.  After 
several load/test/unload cycles, the machine locks up, with no helpful 
kernel messages on the console or in dmesg.

I'm *not* trying to use virtual machines for actual realtime workloads, 
i'm just using it for correctness tests of my realtime application.  For 
actual work i run the application on a bare-metal rtai machine.


I'm using a Vulcano CVS snapshot from 2016 May 12, there have been no 
checkins since then.

I'm using Linux 3.18.20, and hal-linux-3.18.20-x86-6.patch.

My kernel config and my rtai configure command is here, along with a 
dmesg showing boot & rtai load: 
http://highlab.com/~seb/rtai/vm-problem.2016-06-23/

A debian package archive (for Debian Jessie) with the kernel debs and 
rtai-modules debs is here:

deb http://highlab.com/~seb/linuxcnc jessie main

The packages to install to see this issue are 
linux-image-3.18.0-1-rtai-686-pae (or -amd64) and rtai-modules-3.18.0-1.


I'd appreciate any help debugging this.  I'm perfectly willing to run 
any tests you suggest.


-- 
Sebastian Kuzminsky
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