It's too old, that's the problem. Gene Heskett <ghesk...@wdtv.com> wrote:
>On Saturday 17 November 2012, H. Peter Anvin wrote: >>On 11/17/2012 10:34 AM, Gene Heskett wrote:> >> >>> And I don't see anything there that looks like a 'patch level'. >>> The ucode obviously can, which is what counts in this game of >>> horseshoes. Perhaps something in that very long 'flags' string? >> >>What kernel version is this? >> >> -hpa > ># uname -a >Linux coyote 2.6.32-122-rtai #rtai SMP Tue Jul 27 12:44:07 CDT 2010 >i686 >GNU/Linux > >This is a custom made rtai patched kernel used ATM by LinuxCNC (was >emc), >built for driving machinery in the robot, lathe and milling machine >categories. With low latency motherboards such as the intel D525MW, it >is >capable of running higher powered stepper motors at quite impressive >speeds >as it can output, thru the std parport, step and dir signals every 20 >to 25 >microseconds. > >That of course is not on this exact machine, but used in order to >maintain >write it here and nfs it to the box running the lathe or milling >machine >after doing "air" cuts on this machine to prove the code works. Same >ubuntu-10.04.4 LTS install on 4 boxes here. > >The code carvers for LinuxCNC have working patched 3.4.xx kernels >running >now, but have not yet assembled a new OS install CD release based on >these >patches, with the possibly the Xenomai patchset for user threads will >be >used for the Next Gen release of the install CD. That seems to be >winning >the performance battle ATM. > >Probably more than you wanted to know. I'm just explaining why the old > >kernel version. Its all GPLed and can be pulled from links on the >wiki.linuxcnc.org site. > >Thanks hpa. > >Cheers, Gene -- Sent from my mobile phone. Please excuse brevity and lack of formatting. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
