From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tony Lindgren Subject: Re: Regression with legacy IRQ numbers caused by 9a1091ef0017 Date: Fri, 16 Jan 2015 08:21:20 -0800 Message-ID: <20150116162119.GK18552@atomide.com> References: <20150114221407.GS2419@atomide.com> <20150115105035.GU11502@n2100.arm.linux.org.uk> <20150115152838.GB18552@atomide.com> <20150115171924.GV11502@n2100.arm.linux.org.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from mho-02-ewr.mailhop.org ([204.13.248.72]:40450 "EHLO mho-02-ewr.mailhop.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752342AbbAPQZI (ORCPT ); Fri, 16 Jan 2015 11:25:08 -0500 Content-Disposition: inline In-Reply-To: <20150115171924.GV11502@n2100.arm.linux.org.uk> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: Russell King - ARM Linux Cc: linux-arm-kernel@lists.infradead.org, linux-omap@vger.kernel.org, Yingjoe Chen , Marc Zyngier , Jason Cooper , Felipe Balbi , Thomas Gleixner * Russell King - ARM Linux [150115 09:22]: > On Thu, Jan 15, 2015 at 07:28:39AM -0800, Tony Lindgren wrote: > > * Russell King - ARM Linux [150115 02:53]: > > > I don't think we've proven a link there. While you're right that it > > > causes the wrong interrupt to be claimed, I have two kernels here, > > > both claim the same interrupt, one which is multi-platform and issues > > > that strange warning, and one which targets only OMAP4 which doesn't. > > > > > > There's something else going on which causes the bus errors which we > > > haven't found. > > > > I think it gets triggered if you enable PREEMPT. > > That's something which we can try to prove... build running now with > CONFIG_PREEMPT=y Looks like you now have the omap_l3_noc error appear for sdp4430 in your logs after enabling PREEMPT. I guess that means case closed for this one? Regards, Tony From mboxrd@z Thu Jan 1 00:00:00 1970 From: tony@atomide.com (Tony Lindgren) Date: Fri, 16 Jan 2015 08:21:20 -0800 Subject: Regression with legacy IRQ numbers caused by 9a1091ef0017 In-Reply-To: <20150115171924.GV11502@n2100.arm.linux.org.uk> References: <20150114221407.GS2419@atomide.com> <20150115105035.GU11502@n2100.arm.linux.org.uk> <20150115152838.GB18552@atomide.com> <20150115171924.GV11502@n2100.arm.linux.org.uk> Message-ID: <20150116162119.GK18552@atomide.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org * Russell King - ARM Linux [150115 09:22]: > On Thu, Jan 15, 2015 at 07:28:39AM -0800, Tony Lindgren wrote: > > * Russell King - ARM Linux [150115 02:53]: > > > I don't think we've proven a link there. While you're right that it > > > causes the wrong interrupt to be claimed, I have two kernels here, > > > both claim the same interrupt, one which is multi-platform and issues > > > that strange warning, and one which targets only OMAP4 which doesn't. > > > > > > There's something else going on which causes the bus errors which we > > > haven't found. > > > > I think it gets triggered if you enable PREEMPT. > > That's something which we can try to prove... build running now with > CONFIG_PREEMPT=y Looks like you now have the omap_l3_noc error appear for sdp4430 in your logs after enabling PREEMPT. I guess that means case closed for this one? Regards, Tony