From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pavel Machek Subject: Re: 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c Date: Tue, 24 Jan 2017 00:22:49 +0100 Message-ID: <20170123232249.GA11641@amd> References: <20161229231411.GA6865@amd> <20170102181058.GF9325@atomide.com> Mime-Version: 1.0 Content-Type: multipart/mixed; boundary="===============8363832313984305729==" Return-path: In-Reply-To: <20170102181058.GF9325@atomide.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: Tony Lindgren Cc: ivo.g.dimitrov.75@gmail.com, khilman@kernel.org, aaro.koskinen@iki.fi, kernel list , sre@kernel.org, abcloriens@gmail.com, pali.rohar@gmail.com, linux-omap@vger.kernel.org, patrikbachan@gmail.com, linux-arm-kernel , serge@hallyn.com List-Id: linux-omap@vger.kernel.org --===============8363832313984305729== Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SLDf9lqlvOQaIe6s" Content-Disposition: inline --SLDf9lqlvOQaIe6s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > * Pavel Machek [161229 15:14]: > > Hi! > >=20 > > I forgot I had v4.10-rc1 running, and now I got warning on all the > > consoles (hand-copied). > >=20 > >=20 > > Unhandled fault: external abort on non-linefetch (0x1028) at > > 0xfa0ab060 > > ... > > Comm: kworker/0:0 Not tainted. > > Workqueue: events musb_irq_work > > ... > > PC is at musb_default_readb(). > > ... >=20 > This means the clocks are not enabled at that point. >=20 > > WARNING: CPU: 0 ... at drivers/bus/omap_l3_smx.c:166 > > omap3_l3_app_irq+0xcc/... > > Tainted: GDW. >=20 > If you comment out postcore_initcall_sync(omap3_l3_init); > in drivers/bus/omap_l3_smx.c you'll see the proper stack > trace instead of the l3 interrupt trace. The system will > hang at that point most likely. >=20 > > I do have patches to allow nfsroot over usb. But they worked ok in > > v4.9... Does anyone see it, too? >=20 > Hmm not much has changed since v4.9. Are you sure you > had v4.9 or some earlier v4.9-rc version? It happened again in -rc5. I have full dmesg this time. I started new thread with " Subject: v4.9 to v4.10 regression: oops when USB cable is plugged in. ". It does no longer look completely scary. =20 Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --SLDf9lqlvOQaIe6s Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAliGkEkACgkQMOfwapXb+vI6VwCeIlZul4K19Iv81c1+AteBkeZE wmcAoKTqglW0mJhcU7HnPNRnOsVWKKQo =mqrI -----END PGP SIGNATURE----- --SLDf9lqlvOQaIe6s-- --===============8363832313984305729== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel --===============8363832313984305729==-- From mboxrd@z Thu Jan 1 00:00:00 1970 From: pavel@ucw.cz (Pavel Machek) Date: Tue, 24 Jan 2017 00:22:49 +0100 Subject: 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c In-Reply-To: <20170102181058.GF9325@atomide.com> References: <20161229231411.GA6865@amd> <20170102181058.GF9325@atomide.com> Message-ID: <20170123232249.GA11641@amd> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi! > * Pavel Machek [161229 15:14]: > > Hi! > > > > I forgot I had v4.10-rc1 running, and now I got warning on all the > > consoles (hand-copied). > > > > > > Unhandled fault: external abort on non-linefetch (0x1028) at > > 0xfa0ab060 > > ... > > Comm: kworker/0:0 Not tainted. > > Workqueue: events musb_irq_work > > ... > > PC is at musb_default_readb(). > > ... > > This means the clocks are not enabled at that point. > > > WARNING: CPU: 0 ... at drivers/bus/omap_l3_smx.c:166 > > omap3_l3_app_irq+0xcc/... > > Tainted: GDW. > > If you comment out postcore_initcall_sync(omap3_l3_init); > in drivers/bus/omap_l3_smx.c you'll see the proper stack > trace instead of the l3 interrupt trace. The system will > hang at that point most likely. > > > I do have patches to allow nfsroot over usb. But they worked ok in > > v4.9... Does anyone see it, too? > > Hmm not much has changed since v4.9. Are you sure you > had v4.9 or some earlier v4.9-rc version? It happened again in -rc5. I have full dmesg this time. I started new thread with " Subject: v4.9 to v4.10 regression: oops when USB cable is plugged in. ". It does no longer look completely scary. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 181 bytes Desc: Digital signature URL: From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751874AbdAWXdG (ORCPT ); Mon, 23 Jan 2017 18:33:06 -0500 Received: from atrey.karlin.mff.cuni.cz ([195.113.26.193]:58583 "EHLO atrey.karlin.mff.cuni.cz" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751826AbdAWXdF (ORCPT ); Mon, 23 Jan 2017 18:33:05 -0500 Date: Tue, 24 Jan 2017 00:22:49 +0100 From: Pavel Machek To: Tony Lindgren Cc: pali.rohar@gmail.com, sre@kernel.org, kernel list , linux-arm-kernel , linux-omap@vger.kernel.org, khilman@kernel.org, aaro.koskinen@iki.fi, ivo.g.dimitrov.75@gmail.com, patrikbachan@gmail.com, serge@hallyn.com, abcloriens@gmail.com Subject: Re: 4.10-rc1 on Nokia N900: regression, WARN_ON() omap_l3_smx.c Message-ID: <20170123232249.GA11641@amd> References: <20161229231411.GA6865@amd> <20170102181058.GF9325@atomide.com> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="SLDf9lqlvOQaIe6s" Content-Disposition: inline In-Reply-To: <20170102181058.GF9325@atomide.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 --SLDf9lqlvOQaIe6s Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable Hi! > * Pavel Machek [161229 15:14]: > > Hi! > >=20 > > I forgot I had v4.10-rc1 running, and now I got warning on all the > > consoles (hand-copied). > >=20 > >=20 > > Unhandled fault: external abort on non-linefetch (0x1028) at > > 0xfa0ab060 > > ... > > Comm: kworker/0:0 Not tainted. > > Workqueue: events musb_irq_work > > ... > > PC is at musb_default_readb(). > > ... >=20 > This means the clocks are not enabled at that point. >=20 > > WARNING: CPU: 0 ... at drivers/bus/omap_l3_smx.c:166 > > omap3_l3_app_irq+0xcc/... > > Tainted: GDW. >=20 > If you comment out postcore_initcall_sync(omap3_l3_init); > in drivers/bus/omap_l3_smx.c you'll see the proper stack > trace instead of the l3 interrupt trace. The system will > hang at that point most likely. >=20 > > I do have patches to allow nfsroot over usb. But they worked ok in > > v4.9... Does anyone see it, too? >=20 > Hmm not much has changed since v4.9. Are you sure you > had v4.9 or some earlier v4.9-rc version? It happened again in -rc5. I have full dmesg this time. I started new thread with " Subject: v4.9 to v4.10 regression: oops when USB cable is plugged in. ". It does no longer look completely scary. =20 Pavel --=20 (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blo= g.html --SLDf9lqlvOQaIe6s Content-Type: application/pgp-signature; name="signature.asc" Content-Description: Digital signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAliGkEkACgkQMOfwapXb+vI6VwCeIlZul4K19Iv81c1+AteBkeZE wmcAoKTqglW0mJhcU7HnPNRnOsVWKKQo =mqrI -----END PGP SIGNATURE----- --SLDf9lqlvOQaIe6s--