From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752175AbbDTEcU (ORCPT ); Mon, 20 Apr 2015 00:32:20 -0400 Received: from mga03.intel.com ([134.134.136.65]:29789 "EHLO mga03.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751395AbbDTEcT convert rfc822-to-8bit (ORCPT ); Mon, 20 Apr 2015 00:32:19 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.11,607,1422950400"; d="scan'208";a="697767702" Message-ID: <1429504337.7977.30.camel@intel.com> Subject: Re: [LKP] [ocfs2] e2ac55b6a8e: ocfs2_init:1612 ERROR: Unable to create ocfs2 debugfs root From: Huang Ying To: Chengyu Song Cc: Linus Torvalds , LKML , LKP ML Date: Mon, 20 Apr 2015 12:32:17 +0800 In-Reply-To: <465C1C8A-0819-4253-9525-6168CCCA133A@gatech.edu> References: <1429500330.7977.29.camel@intel.com> <465C1C8A-0819-4253-9525-6168CCCA133A@gatech.edu> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.12.9-1+b1 Mime-Version: 1.0 Content-Transfer-Encoding: 8BIT Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Sun, 2015-04-19 at 23:45 -0400, Chengyu Song wrote: > Hi Ying, > > As suggested in the patch, -19 (-ENODEV) happens when debugfs is not configured (see include/linux/debugfs.h). So if debugfs is necessary for the functionality, in Kconfig, we should either declare it as a dependency, or auto select it. I see. Thanks for explanation! Best Regards, Huang, Ying > Chengyu > > > On Apr 19, 2015, at 11:25 PM, Huang Ying wrote: > > > > FYI, we noticed the below changes on > > > > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > commit e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 ("ocfs2: incorrect check for debugfs returns") > > > > We found something as below in dmesg. > > > > [ 1.225136] VFS: Disk quotas dquot_6.5.2 > > [ 1.225814] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096 bytes) > > [ 1.228207] (swapper/0,1,0):ocfs2_init:1612 ERROR: Unable to create ocfs2 debugfs root. > > [ 1.232445] (swapper/0,1,0):ocfs2_init:1634 ERROR: status = -19 > > [ 1.233223] ocfs2: Registered cluster interface o2cb > > [ 1.233994] OCFS2 User DLM kernel interface loaded > > [ 1.234618] (swapper/0,1,0):o2hb_debug_init:1318 ERROR: status = -19 > > [ 1.236183] gfs2: GFS2 installed > > [ 1.238123] Key type asymmetric registered > > > > BUG: kernel boot hang > > Elapsed time: 310 > > qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -kernel /kernel/i386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6/vmlinuz-4.0.0-02646-ge2ac55b -append 'root=/dev/ram0 user=lkp job=/lkp/scheduled/vm-vp-quantal-i386-23/rand_boot-1-quantal-core-i386.cgz-i386-randconfig-ib0-04172352-e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6-1-20150418-31554-1woqtdb.yaml ARCH=i386 kconfig=i386-randconfig-ib0-04172352 branch=linus/master commit=e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 BOOT_IMAGE=/kernel/i386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6/vmlinuz-4.0.0-02646-ge2ac55b RESULT_ROOT=/result/vm-vp-quantal-i386/boot/1/quantal-core-i386.cgz/i386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6/0 LKP_SERVER=inn earlyprintk=ttyS0,115200 rd.udev.log-priority=err systemd.log_target=journal systemd.log_level=warning debug apic=debug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=100 panic=-1 softlockup_panic=1 nmi_watchdog=panic oops=panic load_ramdisk=2 prompt_ramdisk=0 console=ttyS0,115200 console=tty0 vga=normal rw ip=::::vm-vp-quantal-i386-23::dhcp drbd.minor_count=8' -initrd /fs/sde1/initrd-vm-vp-quantal-i386-23 -m 360 -smp 1 -device e1000,netdev=net0 -netdev user,id=net0 -boot order=nc -no-reboot -watchdog i6300esb -rtc base=localtime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-i386-23 -serial file:/dev/shm/kboot/serial-vm-vp-quantal-i386-23 -daemonize -display none -monitor null > > > > Thanks, > > Ying Huang > > > > <.dmesg.txt>_______________________________________________ > > LKP mailing list > > LKP@linux.intel.com > > > From mboxrd@z Thu Jan 1 00:00:00 1970 Content-Type: multipart/mixed; boundary="===============1947505761215639847==" MIME-Version: 1.0 From: Huang Ying To: lkp@lists.01.org Subject: Re: [ocfs2] e2ac55b6a8e: ocfs2_init:1612 ERROR: Unable to create ocfs2 debugfs root Date: Mon, 20 Apr 2015 12:32:17 +0800 Message-ID: <1429504337.7977.30.camel@intel.com> In-Reply-To: <465C1C8A-0819-4253-9525-6168CCCA133A@gatech.edu> List-Id: --===============1947505761215639847== Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable On Sun, 2015-04-19 at 23:45 -0400, Chengyu Song wrote: > Hi Ying, > = > As suggested in the patch, -19 (-ENODEV) happens when debugfs is not con= figured (see include/linux/debugfs.h). So if debugfs is necessary for the f= unctionality, in Kconfig, we should either declare it as a dependency, or a= uto select it. I see. Thanks for explanation! Best Regards, Huang, Ying > Chengyu > = > > On Apr 19, 2015, at 11:25 PM, Huang Ying wrote: > > = > > FYI, we noticed the below changes on > > = > > git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master > > commit e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 ("ocfs2: incorrect chec= k for debugfs returns") > > = > > We found something as below in dmesg. > > = > > [ 1.225136] VFS: Disk quotas dquot_6.5.2 > > [ 1.225814] VFS: Dquot-cache hash table entries: 1024 (order 0, 4096= bytes) > > [ 1.228207] (swapper/0,1,0):ocfs2_init:1612 ERROR: Unable to create = ocfs2 debugfs root. > > [ 1.232445] (swapper/0,1,0):ocfs2_init:1634 ERROR: status =3D -19 > > [ 1.233223] ocfs2: Registered cluster interface o2cb > > [ 1.233994] OCFS2 User DLM kernel interface loaded > > [ 1.234618] (swapper/0,1,0):o2hb_debug_init:1318 ERROR: status =3D -= 19 > > [ 1.236183] gfs2: GFS2 installed > > [ 1.238123] Key type asymmetric registered > > = > > BUG: kernel boot hang > > Elapsed time: 310 > > qemu-system-i386 -enable-kvm -cpu Haswell,+smep,+smap -kernel /kernel/i= 386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6/vmlinu= z-4.0.0-02646-ge2ac55b -append 'root=3D/dev/ram0 user=3Dlkp job=3D/lkp/sche= duled/vm-vp-quantal-i386-23/rand_boot-1-quantal-core-i386.cgz-i386-randconf= ig-ib0-04172352-e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6-1-20150418-31554-1= woqtdb.yaml ARCH=3Di386 kconfig=3Di386-randconfig-ib0-04172352 branch=3Dlin= us/master commit=3De2ac55b6a8e337fac7cc59c6f452caac92ab5ee6 BOOT_IMAGE=3D/k= ernel/i386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc59c6f452caac92ab5ee6= /vmlinuz-4.0.0-02646-ge2ac55b RESULT_ROOT=3D/result/vm-vp-quantal-i386/boot= /1/quantal-core-i386.cgz/i386-randconfig-ib0-04172352/e2ac55b6a8e337fac7cc5= 9c6f452caac92ab5ee6/0 LKP_SERVER=3Dinn earlyprintk=3DttyS0,115200 rd.udev.l= og-priority=3Derr systemd.log_target=3Djournal systemd.log_level=3Dwarning = debug apic=3Ddebug sysrq_always_enabled rcupdate.rcu_cpu_stall_timeout=3D10= 0 panic=3D-1 softlockup_panic=3D1 nmi_watchdog=3Dpanic oops=3Dpanic load_ra= mdisk=3D2 prompt_ramdisk=3D0 console=3DttyS0,115200 console=3Dtty0 vga=3Dno= rmal rw ip=3D::::vm-vp-quantal-i386-23::dhcp drbd.minor_count=3D8' -initrd= /fs/sde1/initrd-vm-vp-quantal-i386-23 -m 360 -smp 1 -device e1000,netdev= =3Dnet0 -netdev user,id=3Dnet0 -boot order=3Dnc -no-reboot -watchdog i6300e= sb -rtc base=3Dlocaltime -pidfile /dev/shm/kboot/pid-vm-vp-quantal-i386-23 = -serial file:/dev/shm/kboot/serial-vm-vp-quantal-i386-23 -daemonize -displa= y none -monitor null = > > = > > Thanks, > > Ying Huang > > = > > <.dmesg.txt>______________________________= _________________ > > LKP mailing list > > LKP(a)linux.intel.com > > = > = --===============1947505761215639847==--