From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pf0-f198.google.com (mail-pf0-f198.google.com [209.85.192.198]) by kanga.kvack.org (Postfix) with ESMTP id 8AF1D6B06F1 for ; Sun, 13 May 2018 07:59:38 -0400 (EDT) Received: by mail-pf0-f198.google.com with SMTP id j14-v6so8270593pfn.11 for ; Sun, 13 May 2018 04:59:38 -0700 (PDT) Received: from mail-sor-f65.google.com (mail-sor-f65.google.com. [209.85.220.65]) by mx.google.com with SMTPS id p1-v6sor3841109plb.149.2018.05.13.04.59.37 for (Google Transport Security); Sun, 13 May 2018 04:59:37 -0700 (PDT) MIME-Version: 1.0 In-Reply-To: <831EE4E5E37DCC428EB295A351E662494CB14775@shsmsx102.ccr.corp.intel.com> References: <201805122003.IkOs6MjS%fengguang.wu@intel.com> <831EE4E5E37DCC428EB295A351E662494CB14775@shsmsx102.ccr.corp.intel.com> From: Dmitry Vyukov Date: Sun, 13 May 2018 13:59:16 +0200 Message-ID: Subject: Re: [kbuild-all] /tmp/ccCNPV4P.s:35: Error: .err encountered Content-Type: text/plain; charset="UTF-8" Sender: owner-linux-mm@kvack.org List-ID: To: "Li, Philip" Cc: lkp , Linux Memory Management List , Andrew Morton , "kbuild-all@01.org" , Johannes Weiner On Sun, May 13, 2018 at 12:45 PM, Li, Philip wrote: >> Subject: Re: [kbuild-all] /tmp/ccCNPV4P.s:35: Error: .err encountered >> >> On Sat, May 12, 2018 at 2:26 PM, kbuild test robot wrote: >> > bisected to: 05cedaec9b243511f8db62bcd4b1c35c374eba24 arm: port KCOV to >> arm >> > commit date: 12 hours ago >> > config: arm-allmodconfig (attached as .config) >> > compiler: arm-linux-gnueabi-gcc (Debian 7.2.0-11) 7.2.0 >> > reproduce: >> > wget https://raw.githubusercontent.com/intel/lkp- >> tests/master/sbin/make.cross -O ~/bin/make.cross >> > chmod +x ~/bin/make.cross >> > git checkout 05cedaec9b243511f8db62bcd4b1c35c374eba24 >> > # save the attached .config to linux build tree >> > make.cross ARCH=arm >> > >> > All errors (new ones prefixed by >>): >> > >> > /tmp/ccCNPV4P.s: Assembler messages: >> >>> /tmp/ccCNPV4P.s:35: Error: .err encountered >> > /tmp/ccCNPV4P.s:36: Error: .err encountered >> > /tmp/ccCNPV4P.s:37: Error: .err encountered >> >> >> Hi, >> >> What git tree contains this commit? I fetched all of: > sorry, that we have regression in code which is solved, but it may mess up some data > and leads to missing info like no exact tree mentioned here. We will continue fixing things up. > > For the commit itself, the bot caught it from git://git.cmpxchg.org/linux-mmotm.git, which > is one you mentioned below. Is it possible the commit is rebased? > > commit 05cedaec9b243511f8db62bcd4b1c35c374eba24 > Author: Dmitry Vyukov > Date: Sat May 12 00:06:09 2018 +0000 > > arm: port KCOV to arm > > KCOV is code coverage collection facility used, in particular, by > syzkaller system call fuzzer. There is some interest in using syzkaller > on arm devices. So port KCOV to arm. Now see it. That's a different tree (mmotm vs mmots). But I can't reproduce the failure: $ git status HEAD detached at 05cedaec9b24 $ make.cross ARCH=arm -j64 make CROSS_COMPILE=/opt/gcc-4.9.0-nolibc/arm-unknown-linux-gnueabi/bin/arm-unknown-linux-gnueabi- ARCH=arm -j64 CHK include/config/kernel.release CHK include/generated/uapi/linux/version.h CHK include/generated/utsrelease.h CHK scripts/mod/devicetable-offsets.h CHK include/generated/timeconst.h CHK include/generated/bounds.h CHK include/generated/asm-offsets.h CALL scripts/checksyscalls.sh CHK include/generated/compile.h CHK include/generated/at91_pm_data-offsets.h CHK include/generated/ti-pm-asm-offsets.h CHK include/generated/ti-emif-asm-offsets.h CHK kernel/config_data.h CHK include/generated/uapi/linux/version.h Kernel: arch/arm/boot/Image is ready Building modules, stage 2. Kernel: arch/arm/boot/zImage is ready MODPOST 6609 modules