From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <53B1531F.4040504@xenomai.org> Date: Mon, 30 Jun 2014 14:07:59 +0200 From: Gilles Chanteperdrix MIME-Version: 1.0 References: <20140626075607.GA32691@dmia-degroote.isae.fr> <53ABFF21.8010700@xenomai.org> <20140626111949.GA4486@dmia-degroote.isae.fr> <53AC5810.7040806@xenomai.org> <20140627072229.GA14771@dmia-degroote.isae.fr> <53AD9B7F.5030701@xenomai.org> <20140630082620.GA3314@dmia-degroote.isae.fr> <53B126EE.6020306@xenomai.org> <20140630091310.GA4019@dmia-degroote.isae.fr> <53B13914.2010706@xenomai.org> <20140630120135.GA4552@dmia-degroote.isae.fr> In-Reply-To: <20140630120135.GA4552@dmia-degroote.isae.fr> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] Support of Beagleboard xm rev C on 3.14-ipipe List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Arnaud Degroote Cc: xenomai@xenomai.org -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 On 06/30/2014 02:01 PM, Arnaud Degroote wrote: > On 30/Jun - 12:16, Gilles Chanteperdrix wrote: >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >> >> On 06/30/2014 11:13 AM, Arnaud Degroote wrote: >>> On 30/Jun - 10:59, Gilles Chanteperdrix wrote: >>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>>> >>>> On 06/30/2014 10:26 AM, Arnaud Degroote wrote: >>>>> On 27/Jun - 18:27, Gilles Chanteperdrix wrote: >>>>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>>>>> >>>>>> On 06/27/2014 09:22 AM, Arnaud Degroote wrote: >>>>>>> On 26/Jun - 19:27, Gilles Chanteperdrix wrote: >>>>>>>> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 >>>>>>>> >>>>>>>> On 06/26/2014 01:19 PM, Arnaud Degroote wrote: >>>>>>>>> On 26/Jun - 13:08, Gilles Chanteperdrix wrote: >>>>>>>>>> switchtest is another story. Does switchtest >>>>>>>>>> hang, or does the system completely freeze? >>>>>>>>> >>>>>>>>> switchtest hangs, but the system is still >>>>>>>>> responsive. I can ctrl-c it and restart it. On C-c, >>>>>>>>> it prints "properly" a number of ctx switches done >>>>>>>>> (which is far from other "normal" values). >>>>>>>>> >>>>>>>> You mean it is as if switchtest had continued >>>>>>>> switching contexts but had not printed anything? Do >>>>>>>> you see counters incrementing in /proc/xenomai/stat >>>>>>>> ? >>>>>>> >>>>>>> I just meant that switchtest seems to respond properly >>>>>>> to C-c, even if it does not progress. But counters from >>>>>>> /proc/xenomai/stat stops incrementing at some point. >>>>>>> >>>>> >>>>> Related to my previous mail, I'm able to reduce threadspec >>>>> to >>>>> >>>>> rtk0 rtk0 rtup0 >>>>> >>>>> or >>>>> >>>>> rtk0 rtup0 rtup0 >>>>> >>>>> Both demonstrates some quick hang. Other pattern may block >>>>> too, I don't try the full combinatorial. >>>>> >>>> Could you test rtk0 alone? >>>> >>>> It would mean there is an issue with the context switch. Are >>>> you running with the xenomai git? >>> >>> It fails with 'rtk0 rtk0 rtk0' (really quickly). With 'rtk0 >>> rtk0' it seems to work. >>> >>> I'm using xenomai-2.6 git >>> (4eb593df1eb89a47f1bc3423cea44c345d22ee3e). >>> >> Ok, I just tested your configuration on my omap3 board, and >> despite the config having a lot of stuff enabled that you >> probably do not want, and may even cause issues (like memory >> compaction), I did not observe any problem. I only had to enable >> CONFIG_PINCTRL_SINGLE to have the serial console. > > I can also confirm that the image (kernel + userland) works > perfectly on my gumstix overo (I just changed uboot). > > CPU: ARMv7 Processor [411fc083] revision 3 (ARMv7), cr=10c53c7d > Machine: Gumstix Overo OMAP3430/3530 ES3.1 (l2cache iva sgx neon > isp ) > > > (except the two oops described previously in this tread). Which two oops? > > So, it may be related to this specific board ? > > CPU: ARMv7 Processor [413fc082] revision 2 (ARMv7), cr=10c53c7d > Machine: OMAP3 Beagle Board OMAP3630 ES1.2 (l2cache iva sgx neon > isp 192mhz_clk ) Have you checked that the exact same kernel configuration, only without CONFIG_IPIPE and CONFIG_XENOMAI runs correctly under load? - -- Gilles. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) Comment: Using GnuPG with Icedove - http://www.enigmail.net/ iD8DBQFTsVMfGpcgE6m/fboRAtcJAKCbXq6XWN5xLlzVevVgwY4IhwK1LwCfcqxE XcdmKxxg4T1IbUwL7gVMCdU= =jUeq -----END PGP SIGNATURE-----