From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753177AbaHXSZL (ORCPT ); Sun, 24 Aug 2014 14:25:11 -0400 Received: from infra.glanzmann.de ([88.198.249.254]:34606 "EHLO infra.glanzmann.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751148AbaHXSZJ convert rfc822-to-8bit (ORCPT ); Sun, 24 Aug 2014 14:25:09 -0400 Date: Sun, 24 Aug 2014 20:25:06 +0200 From: Thomas Glanzmann To: Trond Myklebust Cc: LKML , Al Viro Subject: Re: WARNING: CPU: 0 PID: 197 at fs/proc/generic.c:521 remove_proc_entry+0x142/0x159() Message-ID: <20140824182506.GC24125@glanzmann.de> Mail-Followup-To: Thomas Glanzmann , Trond Myklebust , LKML , Al Viro References: <20140822195440.GD12398@glanzmann.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: 8BIT In-Reply-To: User-Agent: Mutt/1.5.23 (2014-03-12) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hello Trond, > > [ 227.620134] ------------[ cut here ]------------ > > [ 227.620152] WARNING: CPU: 0 PID: 197 at fs/proc/generic.c:510 remove_proc_entry+0xde/0x159() > > [ 227.620163] name 'fs/nfsfs' > > [ 227.620170] Modules linked in: ip6table_filter ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables parport_pc ppdev lp parport autofs4 ecb btusb bluetooth uinput hid_generic usbhid hid deflate ctr twofish_generic twofish_x86_64_3way xts lrw gf128mul glue_helper twofish_x86_64 twofish_common blowfish_generic blowfish_x86_64 blowfish_common des_generic cbc xcbc rmd160 sha512_generic hmac crypto_null af_key xfrm_algo nfsd auth_rpcgss oid_registry nfs_acl nfs lockd fscache sunrpc nouveau video mxm_wmi wmi i2c_algo_bit drm_kms_helper ttm drm loop snd_hda_codec_realtek snd_hda_codec_generic arc4 b43 rng_core bcma mac80211 cfg80211 rfkill evdev coretemp kvm_intel ssb applesmc pcspkr input_polldev kvm pcmcia pcmcia_core mmc_core snd_hda_intel snd_hda_controller snd_hda_codec snd_hwdep snd_pcm_oss snd_mixer_oss snd_pcm snd_seq_midi snd_seq_midi_event snd_rawmidi snd_seq snd_seq_device snd_timer snd soundcore ohci_pci ohci_hcd ehci_pci ehci_hcd shpchp usbcore usb_common i2c_nforce2 acpi_cpufreq button processor thermal_sys ext4 crc16 jbd2 mbcache xor raid6_pq dm_mod netconsole configfs sg sd_mod crc_t10dif crct10dif_common sr_mod cdrom ata_generic firewire_ohci ahci libahci libata microcode firewire_core crc_itu_t scsi_mod forcedeth > > [ 227.620691] CPU: 0 PID: 197 Comm: kworker/u4:4 Tainted: G W 3.17.0-rc1+ #182 > > [ 227.620697] Hardware name: Apple Inc. Macmini3,1/Mac-F22C86C8, BIOS MM31.88Z.0081.B06.0904271717 04/27/09 > > [ 227.620706] Workqueue: netns cleanup_net > > [ 227.620712] 0000000000000000 0000000000000009 ffffffff81398aee ffff8800b92cbcf8 > > [ 227.620731] ffffffff8103d10f 0000000000000246 ffffffff81162299 ffff8800a7ccd240 > > [ 227.620743] 0000000000000000 ffffffffa0679108 ffff88013b298b70 ffffffffa067910b > > [ 227.620760] Call Trace: > > [ 227.620771] [] ? dump_stack+0x41/0x51 > > [ 227.620780] [] ? warn_slowpath_common+0x78/0x90 > > [ 227.620787] [] ? remove_proc_entry+0xde/0x159 > > [ 227.620800] [] ? warn_slowpath_fmt+0x45/0x4a > > [ 227.620806] [] ? remove_proc_entry+0xde/0x159 > > [ 227.620823] [] ? nfs_net_exit+0x9/0x12 [nfs] > > [ 227.620828] [] ? ops_exit_list+0x27/0x48 > > [ 227.620837] [] ? cleanup_net+0xe5/0x182 > > [ 227.620843] [] ? process_one_work+0x168/0x26a > > [ 227.620850] [] ? worker_thread+0x1c0/0x28d > > [ 227.620856] [] ? process_scheduled_works+0x25/0x25 > > [ 227.620863] [] ? kthread+0x99/0xa1 > > [ 227.620870] [] ? __kthread_parkme+0x58/0x58 > > [ 227.620878] [] ? ret_from_fork+0x7c/0xb0 > > [ 227.620884] [] ? __kthread_parkme+0x58/0x58 > > [ 227.620890] ---[ end trace 8bd56692dd859f1c ]--- > > [ 227.788111] ------------[ cut here ]------------ > See the thread on > http://lkml.kernel.org/r/1408217806-25877-1-git-send-email-xiyou.wangcong@gmail.com Thank you. I'll keep an eye on it and see if it is fixed in the next RC. Cheers, Thomas