From mboxrd@z Thu Jan 1 00:00:00 1970 From: maxime.ripard@free-electrons.com (Maxime Ripard) Date: Wed, 7 Oct 2015 10:44:13 +0100 Subject: [PATCH v2] ARM: dts: sunxi: Add regulators for LeMaker BananaPi In-Reply-To: <20151005173957.B1BD16C8150E@dd34104.kasserver.com> References: <1438532305-5884-1-git-send-email-public_timo.s@silentcreek.de> <20150818153631.GH2547@lukather> <20151005173957.B1BD16C8150E@dd34104.kasserver.com> Message-ID: <20151007094413.GC2278@lukather> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi Timo, On Mon, Oct 05, 2015 at 07:39:57PM +0200, Timo Sigurdsson wrote: > Hi Kevin, > > Kevin Hilman schrieb am 24.09.2015 19:57: > > kernelci.org started finding boot faiulres[1] on bananapi linux-next > > around next-20150918, but it was only failing in some labs and not > > others. I finally bisected it down to this patch, which landed in > > linux-next in the form of 2d665a8a8350 ARM: dts: sunxi: Add regulators > > for LeMaker BananaPi. Reverting that commit on top of next-20150923 > > gets my bananapi booting again. > > > > Note it's kind of an interesting boot failure. The kernel boots fully > > to a shell, but panics after running a few commands. In particular > > 'dmesg -n1' seems to trigger it usually[2]. > > > > Kevin > > > > [1] > > http://kernelci.org/boot/sun7i-a20-bananapi/job/next/kernel/next-20150923/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=5602504359b514be146c326f > > [2] > > http://storage.kernelci.org/next/next-20150923/arm-multi_v7_defconfig/lab-khilman/boot-sun7i-a20-bananapi.html > > following up on my last email: I'm back from my vacation and I tried to > reproduce your problem, but my board doesn't seem to be affected, so I > cannot trigger it. weird. > I still think that the lower voltages may be the cause of your problem > with that specific board, so could you please test the attached patch on > top of my patch that you first experienced the problem with? Please let > us know whether this solves your issue or whether we need to dig deeper. > > Has anybody else been able to reproduce Kevin's issue? I've talked to Kevin yesterday about that issue, and he's been away from his boards for quite some time too, so we'll have to wait a bit to solve that issue. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: From mboxrd@z Thu Jan 1 00:00:00 1970 From: Maxime Ripard Subject: Re: [PATCH v2] ARM: dts: sunxi: Add regulators for LeMaker BananaPi Date: Wed, 7 Oct 2015 10:44:13 +0100 Message-ID: <20151007094413.GC2278@lukather> References: <1438532305-5884-1-git-send-email-public_timo.s@silentcreek.de> <20150818153631.GH2547@lukather> <20151005173957.B1BD16C8150E@dd34104.kasserver.com> Reply-To: maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org Mime-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ghzN8eJ9Qlbqn3iT" Return-path: Content-Disposition: inline In-Reply-To: <20151005173957.B1BD16C8150E-RzmsueL7+k6AvxNu/8lEInnhMCiq3JZZ@public.gmane.org> List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , To: Timo Sigurdsson Cc: khilman-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, pawel.moll-5wv7dgnIgG8@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, ijc+devicetree-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org, galak-sgV2jX0FEOL9JmXXK+q4OQ@public.gmane.org, linux-lFZ/pmaqli7XmaaqVzeoHQ@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-sunxi-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, wens-jdAy2FN1RRM@public.gmane.org, tyler.baker-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org, olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org List-Id: devicetree@vger.kernel.org --ghzN8eJ9Qlbqn3iT Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline Hi Timo, On Mon, Oct 05, 2015 at 07:39:57PM +0200, Timo Sigurdsson wrote: > Hi Kevin, > > Kevin Hilman schrieb am 24.09.2015 19:57: > > kernelci.org started finding boot faiulres[1] on bananapi linux-next > > around next-20150918, but it was only failing in some labs and not > > others. I finally bisected it down to this patch, which landed in > > linux-next in the form of 2d665a8a8350 ARM: dts: sunxi: Add regulators > > for LeMaker BananaPi. Reverting that commit on top of next-20150923 > > gets my bananapi booting again. > > > > Note it's kind of an interesting boot failure. The kernel boots fully > > to a shell, but panics after running a few commands. In particular > > 'dmesg -n1' seems to trigger it usually[2]. > > > > Kevin > > > > [1] > > http://kernelci.org/boot/sun7i-a20-bananapi/job/next/kernel/next-20150923/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=5602504359b514be146c326f > > [2] > > http://storage.kernelci.org/next/next-20150923/arm-multi_v7_defconfig/lab-khilman/boot-sun7i-a20-bananapi.html > > following up on my last email: I'm back from my vacation and I tried to > reproduce your problem, but my board doesn't seem to be affected, so I > cannot trigger it. weird. > I still think that the lower voltages may be the cause of your problem > with that specific board, so could you please test the attached patch on > top of my patch that you first experienced the problem with? Please let > us know whether this solves your issue or whether we need to dig deeper. > > Has anybody else been able to reproduce Kevin's issue? I've talked to Kevin yesterday about that issue, and he's been away from his boards for quite some time too, so we'll have to wait a bit to solve that issue. Maxime -- Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --ghzN8eJ9Qlbqn3iT-- From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752544AbbJGJoS (ORCPT ); Wed, 7 Oct 2015 05:44:18 -0400 Received: from down.free-electrons.com ([37.187.137.238]:40478 "EHLO mail.free-electrons.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751432AbbJGJoQ (ORCPT ); Wed, 7 Oct 2015 05:44:16 -0400 Date: Wed, 7 Oct 2015 10:44:13 +0100 From: Maxime Ripard To: Timo Sigurdsson Cc: khilman@kernel.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, linux@arm.linux.org.uk, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com, wens@csie.org, tyler.baker@linaro.org, olof@lixom.net Subject: Re: [PATCH v2] ARM: dts: sunxi: Add regulators for LeMaker BananaPi Message-ID: <20151007094413.GC2278@lukather> References: <1438532305-5884-1-git-send-email-public_timo.s@silentcreek.de> <20150818153631.GH2547@lukather> <20151005173957.B1BD16C8150E@dd34104.kasserver.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="ghzN8eJ9Qlbqn3iT" Content-Disposition: inline In-Reply-To: <20151005173957.B1BD16C8150E@dd34104.kasserver.com> User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --ghzN8eJ9Qlbqn3iT Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi Timo, On Mon, Oct 05, 2015 at 07:39:57PM +0200, Timo Sigurdsson wrote: > Hi Kevin, >=20 > Kevin Hilman schrieb am 24.09.2015 19:57: > > kernelci.org started finding boot faiulres[1] on bananapi linux-next > > around next-20150918, but it was only failing in some labs and not > > others. I finally bisected it down to this patch, which landed in > > linux-next in the form of 2d665a8a8350 ARM: dts: sunxi: Add regulators > > for LeMaker BananaPi. Reverting that commit on top of next-20150923 > > gets my bananapi booting again. > >=20 > > Note it's kind of an interesting boot failure. The kernel boots fully > > to a shell, but panics after running a few commands. In particular > > 'dmesg -n1' seems to trigger it usually[2]. > >=20 > > Kevin > >=20 > > [1] > > http://kernelci.org/boot/sun7i-a20-bananapi/job/next/kernel/next-201509= 23/defconfig/multi_v7_defconfig/lab/lab-khilman/?_id=3D5602504359b514be146c= 326f > > [2] > > http://storage.kernelci.org/next/next-20150923/arm-multi_v7_defconfig/l= ab-khilman/boot-sun7i-a20-bananapi.html >=20 > following up on my last email: I'm back from my vacation and I tried to > reproduce your problem, but my board doesn't seem to be affected, so I > cannot trigger it. weird. > I still think that the lower voltages may be the cause of your problem > with that specific board, so could you please test the attached patch on > top of my patch that you first experienced the problem with? Please let= =20 > us know whether this solves your issue or whether we need to dig deeper. >=20 > Has anybody else been able to reproduce Kevin's issue? I've talked to Kevin yesterday about that issue, and he's been away =66rom his boards for quite some time too, so we'll have to wait a bit to solve that issue. Maxime --=20 Maxime Ripard, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com --ghzN8eJ9Qlbqn3iT Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQIcBAEBAgAGBQJWFOltAAoJEBx+YmzsjxAgCSsQAI+MXHax5lbfWsgIYDUFqjwO pzY2c52xm+WHGGsK0cISZtYFRH0svtpsih2cS92v+62V3hdYJ4argMey2OVIL0eu gAOMaPWJN58tGr/QKgRbM95L061A151NCeEbtZ1QvPs7qLg/ud8QiQJE7m83x7La KWHAjZ/jrU6tpc+b2Z82jqadFfeMy/2kU85jyv33Bz8N4HPKI5enEYGjOShM6amT mdH8KJpNEPoDWnODTTeO3dJ0LsIAUM6L0W14C+1k03spPkFfrtR3DzE7J13tpGdR JeT8E0fxoHYW0omYtf+94d17BFKT4jClurShJ+14Xu/x50jM0CZ7d3q5FRiY3Y7b 9+EOe3hB9Dx8mt6ltKDUDFt9mAbBMk97IWPJyMmvA2/wz5FAmroRCO+hjO11EeDZ guYn+7R1Yrq5TEQY1tUQPqrm8IwRSptOAfR7qbQ5XljagO4l8kJeawh1T5r31ltb d9vByBHuEHqht6agwibxQPmWQBcHxNZxBUYa3AofsMI+mGfUTYJ2ur/k9M6KTPvp H3qRmlC91Ims5cUfkgO6y9t0EWZY+LPh09D8S/XLlDAqWn+pJ0M+UbS2QHxmXMrq wC+JOrw7qLDHYAjJESN4ebzw3l1xyX84WvLL4TbHJ6QVnPSa95bT/VwSv2iVMTBf zblaYwfKF1EufsKE5fD/ =fRg/ -----END PGP SIGNATURE----- --ghzN8eJ9Qlbqn3iT--