From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: 3.14.3-rt5: at91: Crash early at boot Date: Mon, 16 Mar 2015 19:19:00 +0100 Message-ID: <20150316181900.GA4638@lukather> References: <20140613142506.GL3448@lukather> <20150217083859.GB26177@linutronix.de> Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="azLHFNyN32YCQGCU" Cc: linux-rt-users@vger.kernel.org, Alexandre Belloni , Nicolas Ferre , Thomas Petazzoni To: Sebastian Andrzej Siewior Return-path: Received: from down.free-electrons.com ([37.187.137.238]:36171 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S932524AbbCPSUN (ORCPT ); Mon, 16 Mar 2015 14:20:13 -0400 Content-Disposition: inline In-Reply-To: <20150217083859.GB26177@linutronix.de> Sender: linux-rt-users-owner@vger.kernel.org List-ID: --azLHFNyN32YCQGCU Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi, On Tue, Feb 17, 2015 at 09:38:59AM +0100, Sebastian Andrzej Siewior wrote: > * Maxime Ripard | 2014-06-13 16:25:06 [+0200]: >=20 > >Preemptible hierarchical RCU implementation. > >NR_IRQS:16 nr_irqs:16 16 > >Unable to handle kernel NULL pointer dereference at virtual address 0000= 0000 > >pgd =3D c0004000 > >[00000000] *pgd=3D00000000 > >Internal error: Oops: 5 [#1] PREEMPT ARM > >Modules linked in: > >CPU: 0 PID: 0 Comm: swapper Not tainted 3.14.3-rt4+ #11 > >task: c05ecb28 ti: c05e2000 task.ti: c05e2000 > >PC is at wake_up_process+0x8/0x40 > >LR is at kthread_create_on_node+0xb0/0x178 > =E2=80=A6 > >Do you know what could be the cause of this, or is this any known issue? >=20 > No. This is very early in the boot process. I upgrade the at91's timer > patches but have no HW to actually check if this is still working. Do you have a link to these patches? Maybe we can test them out. Thanks, Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --azLHFNyN32YCQGCU Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJVBx6TAAoJEBx+YmzsjxAgSrQP/2S2ONYCJOCRuuHiyxjsCcGx nYgwzbJcO+HYXthkIzWf9w296qLid3pmeCc7DatxMB+ynAxjVZUmazqcbvVuF6RS i57werGVtLng0+p+Sl4MNNQlZuIU2jU4XVV1umipkk6nS/qNINNITDBOPFZFfngA moWLwIE4oxf4Cf5JT6b7pKAqUQEmcq/eiRbu5orLQUZhXyhmu/9j23TMi/85tztV 9OKzpGwZmtVU/MGcDeoI70tRCrzFMcHsYAcLzVN1v9N4q4j+w1TlU+pp8eMKYK92 5vUZr1GlbMRbHsfIHDjNMl8cA410wdiRTrVWx39tVaANuuIqRum8R6t/LG3tQziY z206MOuwoANSTAn5JJSJ2+nD6lmdJ7yEQ/q2xzg3/JWEd/Xt6ftig09DgTfevPmJ AIAc7mueKG5dXu5iXCvGb9s20opSKB9swvRfzxDK2XJOnqNEWwQhB7DYt12u4VE7 1h4G9ptJFX6lA4jD8ap/+daezlYm+epxQqn26s4J0N6G1WaUL/9QPGhmDDvJy1AK Ta+jtKnKEXBIaZ5Yc0mydKsR99dfv7G+2m1B1XqUxWCRnohsWPkzi+qVmPuR1XGU sjG/ZOmcwIJTZsfxuy7EobbrcFqfwhUy2+uuUnXESiLuvfl2TsZQEqLDgjLLQjZQ 15S/n7bthdDFCoj5uqt3 =zpug -----END PGP SIGNATURE----- --azLHFNyN32YCQGCU--