From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.linuxfoundation.org ([140.211.169.12]:42672 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752126AbcFHAyh (ORCPT ); Tue, 7 Jun 2016 20:54:37 -0400 Date: Tue, 7 Jun 2016 17:54:36 -0700 From: Greg Kroah-Hartman To: Javier Martinez Canillas Cc: Tyler Baker , "kernelci.org bot" , "linux-kernel@vger.kernel.org" , torvalds@linux-foundation.org, Andrew Morton , Guenter Roeck , shuah.kh@samsung.com, patches@kernelci.org, stable@vger.kernel.org, Kevin Hilman , Matt Hart , Mark Brown Subject: Re: [PATCH 4.6 000/121] 4.6.2-stable review Message-ID: <20160608005436.GA17027@kroah.com> References: <20160605214417.708509043@linuxfoundation.org> <57551989.692dc20a.8974c.7dc4@mx.google.com> <7ha8iye81z.fsf@baylibre.com> <0a2be6a5-a93d-ffc0-46ba-fc64180a92ba@osg.samsung.com> <20160606233314.GA6872@kroah.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20160606233314.GA6872@kroah.com> Sender: stable-owner@vger.kernel.org List-ID: On Mon, Jun 06, 2016 at 04:33:14PM -0700, Greg Kroah-Hartman wrote: > On Mon, Jun 06, 2016 at 06:43:47PM -0400, Javier Martinez Canillas wrote: > > Hello, > > > > On 06/06/2016 06:32 PM, Tyler Baker wrote: > > > On 6 June 2016 at 06:55, Kevin Hilman wrote: > > >> kernelci.org bot writes: > > >> > > >>> stable-queue boot: 73 boots: 3 failed, 68 passed with 2 offline (v4.6.1-121-g2276ff7d4bf9) > > >>> > > >>> Full Boot Summary: https://kernelci.org/boot/all/job/stable-queue/kernel/v4.6.1-121-g2276ff7d4bf9/ > > >>> Full Build Summary: https://kernelci.org/build/stable-queue/kernel/v4.6.1-121-g2276ff7d4bf9/ > > >>> > > >>> Tree: stable-queue > > >>> Branch: local/linux-4.6.y.queue > > >>> Git Describe: v4.6.1-121-g2276ff7d4bf9 > > >>> Git Commit: 2276ff7d4bf9c438832f761ffd525cacf55362cd > > >>> Git URL: git://server.roeck-us.net/git/linux-stable.git > > >>> Tested: 28 unique boards, 9 SoC families, 16 builds out of 100 > > >>> > > >>> Boot Failures Detected: https://kernelci.org/boot/?v4.6.1-121-g2276ff7d4bf9&fail > > >>> > > >>> arm64: > > >>> > > >>> defconfig: > > >>> apq8016-sbc: 1 failed lab > > >>> > > >>> defconfig+CONFIG_RANDOMIZE_BASE=y: > > >>> apq8016-sbc: 1 failed lab > > >> > > >> Theses two are real boot regressions, bisections forthcoming. > > > > > > I have bisected[1] these two failures down to 5e3ca2b349b1 > > > ("regulator: Try to resolve regulators supplies on registration") and > > > confirmed that reverting this patch on top of this stable queue fixes > > > the boot issue. > > > > > > Adding Mark B. and Javier C. to this thread for discussion. > > > > > > > I'm not familiar with the apq8016-sbc board or Qualcomm platforms in general > > but this patch is known to cause deadlocks when looking up regulators that > > were not registered via OF. This was an issue on at least some Nvidia boards. > > > > So since this patch made it to stable, commit a21513742308 ("regulator: Fix > > deadlock during regulator registration") [0] should also be included. > > Ugh. Why wasn't that patch also marked for stable inclusion? This was > a problem waiting to happen that could have been totally avoided :( > > I'll queue it up this evening, thanks. Ok, that patch does not apply to 4.5-stable, or 4.4-stable, so I'm going to only apply it to 4.6-stable, and drop the original patch, 5e3ca2b349b1 ("regulator: Try to resolve regulators supplies on registration") from the 4.4 and 4.5 queues. thanks, greg k-h