From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4603E145.3000909@domain.hid> Date: Fri, 23 Mar 2007 15:16:37 +0100 From: Jan Kiszka MIME-Version: 1.0 Subject: Re: [Xenomai-help] New install of Xenomai 2.3 for 2.6.17 kernel.... Various problems References: <032320071404.24123.4603DE73000D814600005E3B2216557996070E0301020A98@domain.hid> In-Reply-To: <032320071404.24123.4603DE73000D814600005E3B2216557996070E0301020A98@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig8A6D9CBCC80DF34E89A5D4F0" Sender: jan.kiszka@domain.hid List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: xenomai@domain.hid Cc: xenomai@xenomai.org This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8A6D9CBCC80DF34E89A5D4F0 Content-Type: text/plain; charset=ISO-8859-15 Content-Transfer-Encoding: quoted-printable xenomai@domain.hid wrote: > Hello, >=20 > I have been working on trying to find the optimal linux kernel > configuration and have noticed a couple problems. No matter what I > do it seems that while cpu #2 is detected, nothing gets scheduled on Sounds like some bug that was fixed in 2.3.1. Are you already using that version? If not: highly recommended. > it. Also, there is always a modprobe process running at 100%cpu that > I can't kill. The command that is showed in top is "modprobe -s ac". Probably due to SMI being disable. Don't know what that module precisely does when it loops, but it may wait on SMI-backed activity of the hardware that is now disabled. Try to switch off CONFIG_ACPI_AC in your config. > If I run it from the command line it hangs as well. Latencies are > however very acceptable when running xeno-test. I do however see > some negative values in the test output. >=20 > The config file that I am using currently is the same as the one > below just with CONFIG_XENO_HW_SMI_ALL. This seems to give me the > best latencies. >=20 > Mike >=20 Jan --------------enig8A6D9CBCC80DF34E89A5D4F0 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.6 (MingW32) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFGA+FFniDOoMHTA+kRAhkzAJ9k3zWSG7rP61NEZ+Y3TkSLv3gd1QCeMQha T39vLdWN3DT8xKCWrEh1Yxg= =8mYO -----END PGP SIGNATURE----- --------------enig8A6D9CBCC80DF34E89A5D4F0--