From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4F689CE5.2090703@domain.hid> Date: Tue, 20 Mar 2012 16:06:13 +0100 From: Philippe Gerum MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset="iso-8859-1"; format="flowed" Content-Transfer-Encoding: quoted-printable Subject: Re: [Xenomai-help] Linux Serial Does not work with CONFIG_XENO_OPT_PERVASIVE enabled List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Glen Wernersbach Cc: xenomai@xenomai.org On 03/20/2012 03:53 PM, Glen Wernersbach wrote: > Ipipe version: > 1.13-05 > > > Yes, I do have the co kernel and interrupt pipeline enabled ldd ? > > > On 3/20/12 10:47 AM, "Philippe Gerum" wrote: > >> On 03/20/2012 03:34 PM, Glen Wernersbach wrote: >>> Working on the Strace. >>> >>> I don't have the /proc/xenomai/hal file?? >> >> /proc/ipipe/version then. >> >>> >>> Again. Nothing I am running is xeno. Its just a xeno patched kernel. >>> >> >> Ok, but you do have the Xenomai co-kernel enabled in your kernel build, >> and the interrupt pipeline is enabled as well, right? >> >>> >>> >>> >>> On 3/20/12 10:31 AM, "Philippe Gerum" wrote: >>> >>>> On 03/20/2012 03:17 PM, Philippe Gerum wrote: >>>>> On 03/20/2012 03:07 PM, Glen Wernersbach wrote: >>>>>> I went through and disabled everything in xeno except >>>>>> CONFIG_XENO_OPT_PERVASIVE, did not work. Take that option out and it >>>>>> works. >>>>>> >>>>>> Take that option out at anytime it works. >>>>>> >>>>>> My program basic writes a few characters a serial port and then reads >>>>>> them >>>>>> back in from the same port. I have a loop back cable connected to the >>>>>> port. >>>>>> >>>>>> It writes the data but waits forever to read them back in >>>>>> >>>>>>> From my tests, it appears that the termois tcsetaddr settings is= not >>>>>>> getting >>>>>> set when I call it when this option is on. >>>>> >>>>> Can you strace your app when it runs, please? >>>> >>>> The interrupt pipeline release number would help as well >>>> (/proc/xenomai/hal). >>>> >>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> >>>>>> On 3/20/12 9:57 AM, "Philippe Gerum" wrote: >>>>>> >>>>>>> On 03/20/2012 02:48 PM, Glen Wernersbach wrote: >>>>>>>> I don't think this is it directly. >>>>>>>> >>>>>>>> This program was made on the same kernel prior to patching it with >>>>>>>> Xeno. >>>>>>>> >>>>>>>> It should still run like any other linux program. >>>>>>> >>>>>>> - what does "program not working" mean in your case? Any errno retu= rn we >>>>>>> could interpret? Any strace output? >>>>>>> >>>>>>> - what if you disable CONFIG_XENO_OPT_SKIN_RTDM, leaving PERVASIVE = on? >>>>>>> >>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> On 3/20/12 9:44 AM, "Philippe Gerum" wrote: >>>>>>>> >>>>>>>>> On 03/20/2012 02:28 PM, Glen Wernersbach wrote: >>>>>>>>>> Hi All, >>>>>>>>>> >>>>>>>>>> I install Xenomai 2.6.0 on AT91SAM9G20 system and have found that >>>>>>>>>> when >>>>>>>>>> CONFIG_XENO_OPT_PERVASIVE is enabled my standard non real time l= inux >>>>>>>>>> serial write then read serial program does not work. >>>>>>>>>> >>>>>>>>>> If I turn off CONFIG_XENO_OPT_PERVASIVE, my serial program does = work. >>>>>>>>>> >>>>>>>>>> Any ideas why????? >>>>>>>>>> >>>>>>>>> >>>>>>>>> A possible explanation would be that your application links with = the >>>>>>>>> Xenomai POSIX lib (libpthread_rt), albeit it should not. >>>>>>>>> >>>>>>>>> With pervasive support disabled, any routing from the overloaded = POSIX >>>>>>>>> I/O calls to the Xenomai kernel would then fail. >>>>>>>>> >>>>>>>>> If so, you should not link against the Xenomai libs if you need n= o -rt >>>>>>>>> service, or prevent symbol wrapping only for the POSIX I/O calls = by >>>>>>>>> prefixing them by __real_* if you want Xenomai-enabled POSIX serv= ices >>>>>>>>> except the I/O support. >>>>>>>>> >>>>>>>>> See http://xenomai.org/index.php/Porting_POSIX_applications_to_Xe= nomai >>>>>>>>> >>>>>>>>>> >>>>>>>>>> Also, when you turn CONFIG_XENO_OPT_PERVASIVE you get this error: >>>>>>>>>> CC kernel/xenomai/nucleus/synch.o >>>>>>>>>> kernel/xenomai/nucleus/synch.c: In function 'xnsynch_release_thr= ead': >>>>>>>>>> kernel/xenomai/nucleus/synch.c:688:3: error: implicit declaratio= n of >>>>>>>>>> function 'xnthread_get_rescnt' >>>>>>>>>> kernel/xenomai/nucleus/synch.c:689:4: error: implicit declaratio= n of >>>>>>>>>> function 'xnshadow_send_sig' >>>>>>>>>> >>>>>>>>>> I had to go in and make the code for that option befor it always >>>>>>>>>> false. >>>>>>>>>> >>>>>>>>> >>>>>>>>> http://git.xenomai.org/?p=3Dxenomai-2.6.git;a=3Dcommit;h=3D41b4f9= c0f4bdf06107 >>>>>>>>> a7 >>>>>>>>> 88b >>>>>>>>> >>>>>>>>> 76 >>>>>>>>> 2b5cf662b1d4108 >>>>>>>>> >>>>>>>>> >>>>>>>>>> Glen >>>>>>>>>> -- >>>>>>>>>> Glen Wernersbach >>>>>>>>>> President& CTO >>>>>>>>>> >>>>>>>>>> Jetsoft Development Co. >>>>>>>>>> 629 Old St Rt. 74 =AD Suite 210 >>>>>>>>>> Cincinnati, Oh 45244 >>>>>>>>>> Custom Programming Web Site: www.jetsoftdev.com >>>>>>>>>> Retail Products Web Site: www.scanhelp.com >>>>>>>>>> Phone: 513-528-6660 >>>>>>>>>> Fax: 513-528-3470 >>>>>>>>>> Cell 513-240-9929 >>>>>>>>>> ---- >>>>>>>>>> Partner for Software Technology >>>>>>>>>> Jacobs Automation >>>>>>>>>> 2365 Progress Drive >>>>>>>>>> Hebron, KY 41048 >>>>>>>>>> (513) 297-7550 >>>>>>>>>> ---- >>>>>>>>>> "Support Dyslexia Research" >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> _______________________________________________ >>>>>>>>>> Xenomai-help mailing list >>>>>>>>>> Xenomai-help@domain.hid >>>>>>>>>> https://mail.gna.org/listinfo/xenomai-help >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>> >>>>> >>>> >>> >> > --=20 Philippe.