It would be interesting to see the first few lines from dmesg on one of the kernels. Does it detect it correctly? Try a regular debian smp kernel (not sure what the package name is .. probably something like linux-image-*-smp or so).
Regards, Alex ----- Original Message ----- From: "Eric H. Johnson" <[email protected]> To: "'EMC developers'" <[email protected]> Sent: Friday, January 30, 2009 5:46 PM Subject: Re: [Emc-developers] Building a core2 / SMP rtai kernel > Mario, > > Ok, I added a hard drive, installed Debian Lenny and was able to follow > the > instructions here: > http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Debian_Lenny_Compile_RTAI > > I built three kernels, using processor family selections of > 586/K5/5x86/6x86/6x86mx, even though the instructions said it was > incompatible with smp, Pentium-Pro (which seemed to be auto-detected) and > core 2 / newer Xeon. Building and rebooting with the built kernel in all > cases reported 1 processor. > > In what I found on-line it should actually report 4 processors (2 core / 2 > logical). I don't see that any of the other processor selections match up. > The other options under menuconfig are: > > 386 > 486 > 586/K5/5x86/6x86/6x86MX > Pentium-Classic > Pentium-MMX > Pentium-Pro > Pentium-II/Celeron(pre-Coppermine) > Pentium-III/Celeron(Coppermine)/Pentium-III Xeon > Pentium M > Core 2/newer xeon > Pentium-4/Celeron(P4-based)/Pentium-4 M/older Xeon > K6/K6-II/K6-III > Athlon/Duron/K7 > Opteron/Athlon64/Hammer/K8 > Crusoe > Efficeon > Winchip-C6 > Winchip-2 > Winchip-2A/Winchip-3 > GeodeGX1 > Geode GX/LX > CyrixIII/VIA-C3 > VIA C3-2 (Nehemiah) > VIA C7 > > I am still using the 2.6.22 kernel. Is it possible the kernel is just too > old for the atom 330? > > I have not tried gentoo as at this point all I want is a kernel that > recognizes more than one processor. Making it more efficient is just a > bonus, and I don't know enough about building kernels to translate the > setting to those required under gentoo. > > Any ideas what I should try next? > > Regards, > Eric > > > I guess the P6 should be generic enough... I searched a lot but no > definite > answer, other than the Atom uses SSE2, so "P6" should have enough > performance and compatibility with all architectures (the default on many > builds). These are important ((only?)) to make performance optimisations > for > a specific architecture (tailor-made) and Atom is very limited in all > aspects, not sure if there is a setting for that yet. but P6 setting was > used on other architectures taht had not their specific tag at that time. > > > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by: > SourcForge Community > SourceForge wants to tell your story. > http://p.sf.net/sfu/sf-spreadtheword > _______________________________________________ > Emc-developers mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/emc-developers -------------------------------------------------------------------------------- No virus found in this incoming message. Checked by AVG - http://www.avg.com Version: 8.0.176 / Virus Database: 270.10.16/1925 - Release Date: 1/30/2009 7:37 AM ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ Emc-developers mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-developers
