From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752438Ab0CWEaG (ORCPT ); Tue, 23 Mar 2010 00:30:06 -0400 Received: from cantor2.suse.de ([195.135.220.15]:44842 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751954Ab0CWEaE (ORCPT ); Tue, 23 Mar 2010 00:30:04 -0400 Message-ID: <4BA843C5.9080307@suse.de> Date: Tue, 23 Mar 2010 09:59:57 +0530 From: Suresh Jayaraman User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.8) Gecko/20100228 SUSE/3.0.3-1.1.1 Thunderbird/3.0.3 MIME-Version: 1.0 To: Gene Heskett Cc: LKML , "linux-cifs-client@lists.samba.org" Subject: Re: shutdown bugs, since about 2.6.31 or so References: <201003222050.55716.gene.heskett@verizon.net> In-Reply-To: <201003222050.55716.gene.heskett@verizon.net> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Ccing linux-cifs-client@lists.samba.org where most of the cifs development happens. On 03/23/2010 06:20 AM, Gene Heskett wrote: > Greetings; > > I do not know if I am miss-configured or what, and I hadn't worried about it > extensively because the machine runs fine ANAICT. > > But any reboot method short of just pressing the hdwe reset button generates > quite a lengthy process of repeatedly pressing ctl-alt-del, minimum of 6 > times I believe, in order to actually do a shutdown, and this isn't at all > graceful. Not all of it makes it to the log, but here is what does. > > Mar 22 16:47:53 coyote kernel: [ 3000.619173] BUG: Dentry d76beaa0{i=2,n=/} > still in use (1) [unmount of cifs cifs] > Mar 22 16:47:53 coyote kernel: [ 3000.619191] ------------[ cut here > ]------------ > Mar 22 16:47:53 coyote kernel: [ 3000.619303] kernel BUG at fs/dcache.c:676! > Mar 22 16:47:53 coyote kernel: [ 3000.619420] invalid opcode: 0000 [#1] > PREEMPT SMP > Mar 22 16:47:53 coyote kernel: [ 3000.619597] last sysfs file: > /sys/devices/LNXSYSTM:00/LNXSYBUS:00/PNP0A08:00/ATK0110:00/hwmon/hwmon0/in3_input > Mar 22 16:47:53 coyote kernel: [ 3000.619803] Modules linked in: nls_utf8 > cifs radeon ttm drm_kms_helper drm agpgart nfsd lockd nfs_acl auth_rpcgss > expo > rtfs rfcomm sco bnep l2cap autofs4 sunrpc ipv6 or51132 snd_usb_audio > snd_usb_lib cx88_dvb cx88_vp3054_i2c videobuf_dvb snd_emu10k1_synth > snd_emux_synth > snd_seq_virmidi snd_seq_midi_emul dvb_core tuner_simple tuner_types tda9887 > tda8290 tuner snd_emu10k1 cx8800 cx8802 cx88xx snd_rawmidi snd_ac97_codec ac > 97_bus snd_seq_dummy i2c_algo_bit snd_seq_oss snd_seq_midi_event snd_seq > ftdi_sio btusb snd_pcm_oss snd_mixer_oss snd_pcm tveeprom bluetooth > snd_seq_dev > ice snd_timer v4l2_common snd_page_alloc videodev snd_util_mem snd_hwdep > v4l1_compat usbserial btcx_risc snd i2c_nforce2 sg k10temp firewire_ohci > firewi > re_core rtc_cmos videobuf_dma_sg sr_mod cdrom pcspkr soundcore videobuf_core > rtc_core crc_itu_t rfkill hwmon usblp joydev rtc_lib button evdev sd_mod ex > t3 jbd uhci_hcd ohci_hcd ehci_hcd [last unloaded: asus_atk0110] > Mar 22 16:47:53 coyote kernel: [ 3000.620117] > Mar 22 16:47:53 coyote kernel: [ 3000.620117] Pid: 5747, comm: umount.cifs > Not tainted 2.6.34-rc2 #1 M2N-SLI DELUXE/System Product Name > Mar 22 16:47:53 coyote kernel: [ 3000.620117] EIP: 0060:[] EFLAGS: > 00010246 CPU: 1 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] EIP is at > shrink_dcache_for_umount_subtree+0x14b/0x1fe > Mar 22 16:47:53 coyote kernel: [ 3000.620117] EAX: 0000005b EBX: 00000001 > ECX: 00000046 EDX: 00000000 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] ESI: d76beaa0 EDI: d76beafc > EBP: d55e6f24 ESP: d55e6ef4 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] DS: 007b ES: 007b FS: 00d8 GS: > 00e0 SS: 0068 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] Process umount.cifs (pid: 5747, > ti=d55e6000 task=d55d8780 task.ti=d55e6000) > Mar 22 16:47:53 coyote kernel: [ 3000.620117] Stack: > Mar 22 16:47:53 coyote kernel: [ 3000.620117] c12d20ac d76beaa0 00000002 > d76beafc 00000001 fa14da01 dc956b64 fa14da01 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] <0> 0000001b dc956a00 fa14a7b4 > dc956a00 d55e6f30 c109478e dc956a00 d55e6f40 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] <0> c1087d38 00000013 fa158a5c > d55e6f4c c1087e32 dc956a00 d55e6f5c c10883c6 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] Call Trace: > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > shrink_dcache_for_umount+0x2d/0x37 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > generic_shutdown_super+0x15/0xd2 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > kill_anon_super+0xc/0x43 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > deactivate_super+0x39/0x4b > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > mntput_no_expire+0x8c/0xbb > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > sys_umount+0x299/0x2be > Mar 22 16:47:53 coyote kernel: [ 3000.620117] [] ? > sysenter_do_call+0x12/0x22 > Mar 22 16:47:53 coyote kernel: [ 3000.620117] Code: 00 89 45 ec 8b 46 10 8b > 1e 8b 7e 28 85 c0 74 03 8b 50 20 8d 81 64 01 00 00 50 ff 75 ec 53 57 52 56 6 > 8 ac 20 2d c1 e8 b5 fc 1b 00 <0f> 0b 83 c4 1c eb fe 8b 7e 1c 39 fe 75 04 31 > ff eb 03 f0 ff 0f > Mar 22 16:47:53 coyote kernel: [ 3000.620117] EIP: [] > shrink_dcache_for_umount_subtree+0x14b/0x1fe SS:ESP 0068:d55e6ef4 > Mar 22 16:47:53 coyote kernel: [ 3000.627952] ---[ end trace fbecccbb5fac2d05 > ]--- > > Now, after this point, I have to press ctl-alt-del at least 2 times to get it > to continue the shutdown, it will timeout 3 times trying to umount /usr, and > then finally squawk about a cifs mount that is done in my rc.local file. > That requires 2 more presses of the ctl-alt-del keys, then it finally says > its shutting down, and 20 to 30 seconds later I have to press them again > before it actually reverts to the bios to begin the next boot anew. > > I have seen this fs/dcache.c line 676 mentioned many times here, and I would > have thought by now this nuisance would have been spanked. > > Thanks. > -- Suresh Jayaraman