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[209.132.180.67]) by mx.google.com with ESMTP id h62si7267790pgc.227.2019.02.15.23.41.33; Fri, 15 Feb 2019 23:41:49 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@kernel.org header.s=default header.b=ifp6ZPvY; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2391341AbfBOUwx (ORCPT + 99 others); Fri, 15 Feb 2019 15:52:53 -0500 Received: from mail.kernel.org ([198.145.29.99]:42722 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725976AbfBOUww (ORCPT ); Fri, 15 Feb 2019 15:52:52 -0500 Received: from localhost (ip-188-118-48-1.reverse.destiny.be [188.118.48.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 7345C222D9; Fri, 15 Feb 2019 20:52:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1550263971; bh=PrE4C7dvtBu0Le0yADCb4/YiX+Ps3Hx5geekh3jR/BA=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ifp6ZPvYgC4Nv/9XVIrEQrSWTt8p+NUhcTvOllRD6TueGYZUbyb9U27yQU05fsf3b aMIuv9fZKHvcoNT0LHWMyBHiH6RsoqnenYo8ZlAApYTu5R5H0bpc14G5NE388a3Cpv bCAEKtLRyEOQxk3NTcL5FtQ0s/rmnTjOonJhwyjk= Date: Fri, 15 Feb 2019 21:52:42 +0100 From: Greg Kroah-Hartman To: Guenter Roeck Cc: linux-kernel@vger.kernel.org, torvalds@linux-foundation.org, akpm@linux-foundation.org, shuah@kernel.org, patches@kernelci.org, ben.hutchings@codethink.co.uk, lkft-triage@lists.linaro.org, stable@vger.kernel.org Subject: Re: [PATCH 4.20 00/50] 4.20.9-stable review Message-ID: <20190215205242.GA4254@kroah.com> References: <20190213183655.747168774@linuxfoundation.org> <20190214210226.GA23386@roeck-us.net> <20190215065622.GB14473@kroah.com> <20190215172221.GA21472@roeck-us.net> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190215172221.GA21472@roeck-us.net> User-Agent: Mutt/1.11.3 (2019-02-01) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Feb 15, 2019 at 09:22:21AM -0800, Guenter Roeck wrote: > On Fri, Feb 15, 2019 at 07:56:22AM +0100, Greg Kroah-Hartman wrote: > > On Thu, Feb 14, 2019 at 01:02:26PM -0800, Guenter Roeck wrote: > > > On Wed, Feb 13, 2019 at 07:38:05PM +0100, Greg Kroah-Hartman wrote: > > > > This is the start of the stable review cycle for the 4.20.9 release. > > > > There are 50 patches in this series, all will be posted as a response > > > > to this one. If anyone has any issues with these being applied, please > > > > let me know. > > > > > > > > Responses should be made by Fri Feb 15 18:36:30 UTC 2019. > > > > Anything received after that time might be too late. > > > > > > > > > > Build results: > > > total: 159 pass: 159 fail: 0 > > > Qemu test results: > > > total: 343 pass: 330 fail: 13 > > > Failed tests: > > > sh:rts7751r2dplus_defconfig:initrd > > > sh:rts7751r2dplus_defconfig:ata:rootfs > > > sh:rts7751r2dplus_defconfig:mmc:rootfs > > > sh:rts7751r2dplus_defconfig:usb:rootfs > > > sh:rts7751r2dplus_defconfig:usb-hub:rootfs > > > sh:rts7751r2dplus_defconfig:usb-ohci:rootfs > > > sh:rts7751r2dplus_defconfig:usb-ehci:rootfs > > > sh:rts7751r2dplus_defconfig:usb-xhci:rootfs > > > sh:rts7751r2dplus_defconfig:usb-uas-ehci:rootfs > > > sh:rts7751r2dplus_defconfig:usb-uas-xhci:rootfs > > > sh:rts7751r2dplus_defconfig:scsi[53C810]:rootfs > > > sh:rts7751r2dplus_defconfig:scsi[53C895A]:rootfs > > > sh:rts7751r2dplus_defconfig:scsi[FUSION]:rootfs > > > > > > This failure gave me a bit of trouble. It is similar to the failure observed > > > earlier with v4.4.y, but changing the C compiler version did not help (I > > > tried 8.2.0 and 5.5.0), and changing the qemu version did not help either. > > > Bisect points to commit 31e8a058e1f ("Revert "ext4: use ext4_write_inode() > > > when fsyncing w/o a journal") as the culprit. No idea why that would be > > > the case, but I repeated the bisect twice with the same results, and > > > reverting that revert indeed fixes the problem. This is weird since > > > one of the failing tests doesn't even mount a file system but boots > > > from initrd. Go figure. Bisect results are below. > > > > > > Guenter > > > > > > --- > > > # bad: [f4a86d6d2a0bdead7cf98d552481367e6356ef28] Linux 4.20.9-rc1 > > > # good: [0788acb1a3ed1589da1768ba64b1e5c76e8cb661] Linux 4.20.8 > > > git bisect start 'HEAD' 'v4.20.8' > > > # good: [df6033ca3341635d8f529d6cdb6d37257df6f783] MIPS: OCTEON: don't set octeon_dma_bar_type if PCI is disabled > > > git bisect good df6033ca3341635d8f529d6cdb6d37257df6f783 > > > # good: [da33f30a55d08758a63de90038344f956252ea8f] drm/rockchip: rgb: update SPDX license identifier > > > git bisect good da33f30a55d08758a63de90038344f956252ea8f > > > # good: [3ef454cd518997a8447080fb01743aaa4d4de8ae] xfrm: Make set-mark default behavior backward compatible > > > git bisect good 3ef454cd518997a8447080fb01743aaa4d4de8ae > > > # bad: [b442f17368f050887aae5d525b4dd0e146440f94] libceph: avoid KEEPALIVE_PENDING races in ceph_con_keepalive() > > > git bisect bad b442f17368f050887aae5d525b4dd0e146440f94 > > > # bad: [31e8a058e1f9aa32254f64a9643853062141895a] Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal" > > > git bisect bad 31e8a058e1f9aa32254f64a9643853062141895a > > > # good: [0bc4dd12c3196b01d2123f95bb1c949e5eebe483] drm/i915: Try to sanitize bogus DPLL state left over by broken SNB BIOSen > > > git bisect good 0bc4dd12c3196b01d2123f95bb1c949e5eebe483 > > > # first bad commit: [31e8a058e1f9aa32254f64a9643853062141895a] Revert "ext4: use ext4_write_inode() when fsyncing w/o a journal" > > > > That's really odd, given that this is only showing up in sh and not in > > any of the other releases. I'll blame gcc for this one :( > > > I suspect it may be a code alignment issue, but who knows. The problem > is gone in v4.20.10, meaning the revert of "exec: load_script: don't > blindly truncate shebang string" "fixed" the problem as well. That's sad, and scary :( Thanks for letting me know. greg k-h