From mboxrd@z Thu Jan 1 00:00:00 1970 From: Krzysztof =?UTF-8?Q?B=C5=82aszkowski?= In-Reply-To: <4C6BD403.4030902@domain.hid> References: <1282047938.5255.89.camel@domain.hid> <4C6B146D.9010004@domain.hid> <1282126974.5255.262.camel@domain.hid> <4C6BBD62.3050907@domain.hid> <1282131617.5255.286.camel@domain.hid> <4C6BCB51.4010805@domain.hid> <1282133876.5255.296.camel@domain.hid> <4C6BD403.4030902@domain.hid> Content-Type: text/plain; charset="utf-8" Date: Wed, 18 Aug 2010 14:55:47 +0200 Message-Id: <1282136147.5255.306.camel@domain.hid> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Subject: Re: [Xenomai-core] xenomai 2.5.3/native, kernel 2.6.31.8 and fork() List-Id: Xenomai life and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org On Wed, 2010-08-18 at 14:37 +0200, Gilles Chanteperdrix wrote: > Krzysztof Błaszkowski wrote: > >>> rather i use native clean x86 environment (on e.g. x86_64) > >> I do this all the time, and never had any problem. > > > > i had lots with header files mainly. > > Well, the glibc and Xenomai header files are the same on 64 bits and 32 > bits machines... of course, if you are talking about other libs... ;) i don't mean Xenomai and degree of crosscompilation complexity depends on what you try to compile. i remember a few years ago it was not so funny. > > > and i am happy with my way. > > > >> Also, why not running 64 bits code on your atom? There are some x86_32 > >> only atoms? What about SMP? > > > > for some other constraints i will not mention i use 32 bits now. > > > > this is single core cpu so no point to use smp for e.g. 8 cpus (nor > > bigsmp) > > Well, my atom has hyper-threading, so, SMP can be used, Linux sees two > threads. I suspect yours has hyper-threading too, since Linux mentions > that it sees an ACPI SMP table, but usually, hyper-threading needs to be > enabled at BIOS level. > yes, it has "ht". disabled now. i thought that i don't want to try to solve superposition of various corner cases and stuck on solving this. otoh, i could create such case. did i ? (btw, rtai 3.7 works) -- Krzysztof Blaszkowski