On Fri, 14 Aug 2015, Jeff Epler wrote: > As you may know, the current stable version of Debian (8.1 "jessie") > does not have a realtime kernel packaged by debian.org, because the > kernel version they selected (3.16) never got an rt patchset. > > However, Debian testing currently is based on linux kernel 4.1.3, and > there is a matching rt patchset already included in the Debian package. > > I have rebuilt this package for Debian 8.1 amd64, and boot-tested it on > one machine (my laptop), where I get OK but not great realtime > performance (around 100us on a 5-hour test), but as I don't have any > results for other rt kernel versions on this hardware it's not a great > test. > > $ uname -a > Linux babs 4.1.0-1-rt-amd64 #1 SMP PREEMPT RT Debian 4.1.3-1.1 > (2015-08-14) x86_64 GNU/Linux >
there have been a few problems reported with 4.1.3-rt3 on the rt-users mailing list - you might want that run a bit longer (on a i7 octocore here the problems showed up after a few days only) > As far as I know, the package would rebuild for 32-bit machines with > no trouble. > > The package repository is > deb http://media.unpythonic.net/debs/ jessie/ > deb-src http://media.unpythonic.net/debs/ jessie/ > and it's signed with the public key C0873E61 "Jeff Epler (Package > signing key) <jep...@unpythonic.net>" which is included below. > would you mind cross-posting that to rt-users ? it would be a good way of getting broader testing of this particular rt kernel which is benificial for EMC and obviously also for PREEMPT_RT. > At some point I'll delete and recreate this repository. I made the > unfortunate decision to mix non-Free (but redistributable) packages into > the same repository, namely the nvidia proprietary video drivers also > backported from debian testing. When I recreate it, I'll make sure the > division between Free and non-Free is clear, or just skip the > proprietary stuff entirely. So please don't depend on the longevity of > the above-named package archives. > > There is not presently a pre-built linuxcnc package for debian jessie > amd64, so you'll also have to build that for yourself. > > If you do try out these packages, please report your realtime results on > the mailing list. > thx! hofrat ------------------------------------------------------------------------------ _______________________________________________ Emc-developers mailing list Emc-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-developers
