Re: System has no response when calibration
Paolo Mantegazza <[email protected]>
| Newsgroups | gmane.linux.real-time.rtai |
|---|---|
| Message-ID | <[email protected]> |
Can you remind me of the RTAI version you are using? Paolo On 09/06/2016 03:30 PM, YamatoKira wrote: > Dear Alec Ari: > > I still can not figure out which configuration results the > freeze of the system patched with RTAI when I run the calibration test > program. This week I tried LinuxCNC, which is based on RTAI, too. > Although I could not install the LinuxCNC on a x64 platform, I can run > it under the LiveCD mode and all the test in the realtime directory > can run correctly with the same BIOS setting. So. I have a reason to > suspect that the freezing of system is caused by the kernel/RTAI > configuration, do I? > > yours: C.P > 2016-09-06 > > > Date: Sat, 3 Sep 2016 14:17:52 +0000 > > From: [email protected] > > To: [email protected] > > CC: [email protected] > > Subject: RE: [Rtai] System has no response when calibration > > > > Hello, > > > > The main things in BIOS that interfere with latency calibration > (kernel hangs, freezes, panics, etc) is anything that has to do with > power management, power saving, speed stepping, hyperthreading, > virtualization, PCI Express ASPM, APM, thermal management such as ACC, > C1E, Turbo boost, etc and sometimes memory overclocking profiles. It's > best to have as much things disabled that you don't need for a > successful boot and stick with factory clocks and fans that run at > 100% all the time. I recently came across an HP system that offered to > disable the CPU cache, best to leave things like that on. ;) > > > > Disabling CSM (Compatibility Support Module) and running a complete > UEFI system (had to flash video card with UEFI bios) I didn't notice > any changes with RTAI, just had to modify how Linux would be booted > (switching from GRUB 2 to Efibootmgr.) I'd assume I was just lucky in > that instance and wouldn't use EFI in a production RTOS system. I've > made a few Coreboot ports in the past to use those boards for RTAI, > results were astonishing! > > > > Alec > > > _______________________________________________ > Rtai mailing list > [email protected] > https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai _______________________________________________ Rtai mailing list [email protected] https://mail.rtai.org/cgi-bin/mailman/listinfo/rtai