From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4710F486.40403@domain.hid> Date: Sat, 13 Oct 2007 18:38:30 +0200 From: Jan Kiszka MIME-Version: 1.0 References: <470E8BFE.4070804@domain.hid> <1192179524.5149.23.camel@domain.hid> <470F3B03.1040501@domain.hid> <20071012110054.GA26325@domain.hid> <470FD0AC.6040700@domain.hid> <470FD795.9070008@domain.hid> <20071012215152.GA17187@domain.hid> <1192226314.6499.174.camel@domain.hid> <1192285734.8592.4.camel@domain.hid> <4710D953.1030604@domain.hid> <20071013161211.GB24909@domain.hid> In-Reply-To: <20071013161211.GB24909@domain.hid> Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="------------enig8BC44EDC43A2E061D6E71919" Sender: jan.kiszka@domain.hid Subject: Re: [Xenomai-core] [PATCH] fix hw-timer setup/cleanup for i386 List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Stelian Pop , rpm@xenomai.org, Xenomai-core@domain.hid This is an OpenPGP/MIME signed message (RFC 2440 and 3156) --------------enig8BC44EDC43A2E061D6E71919 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Stelian Pop wrote: > On Sat, Oct 13, 2007 at 04:42:27PM +0200, Jan Kiszka wrote: >=20 >> Where do you get ENODEV? On nucleus startup? Please provide >> /proc/timer_list output of the working and non-working setups. >=20 > It turns out that I had the Linux NMI watchdog enabled (nmi_watchdog=3D= 1 > on the command line) and this was causing the -ENODEV problems. Once > removed, I'm able to boot and successfully run all configurations: UP, > UP + APIC, UP + APIC + IO_APIC, SMP. And the latencies are back to norm= al. >=20 > Maybe we should detect that the NMI watchdog is enabled and issue a > warning message, this would save others a few hours and many kernel > builds... NMI is still broken for >=3D 2.6.22, known issue :-/. The problem is that= Linux falls back to the PIT, leaving our beloved APIC in disabled state which makes Xenomai fail when asking for it. $Someone has to look into the reason why we cannot take over the APIC in that scenario... >=20 > This is with your timer cleanup patch, of course. >=20 >> PS: For unknown reasons your mails don't make it to my web.de address,= >> only to the list. Do you get any error messages? >=20 > I did get one saying: > : host mx-ha02.web.de[217.72.192.188] refused to ta= lk to me: > 554 Transaction failed. For explanation visit > http://freemail.web.de/reject/?ip=3D88.191.70.230 >=20 > I didn't investigate yet what's happenning. >=20 Your IP is probably associated to some DSL access, and a lot of providers block such senders categorically due to all the spam robots running on hijacked user PCs. Jan --------------enig8BC44EDC43A2E061D6E71919 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 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org iD8DBQFHEPSJniDOoMHTA+kRAjVDAJ46UFgUW3gcHq9uOR0I2R/Q/6zXLACfRoqQ Erq7KRBj3RL1s5zOIbvIwyI= =8DQN -----END PGP SIGNATURE----- --------------enig8BC44EDC43A2E061D6E71919--