From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ie0-f172.google.com ([209.85.223.172]:56587 "EHLO mail-ie0-f172.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1759409Ab3JQUym (ORCPT ); Thu, 17 Oct 2013 16:54:42 -0400 Received: by mail-ie0-f172.google.com with SMTP id tp5so5087398ieb.17 for ; Thu, 17 Oct 2013 13:54:42 -0700 (PDT) MIME-Version: 1.0 From: Chester Date: Thu, 17 Oct 2013 15:54:22 -0500 Message-ID: Subject: dmesg filled with btrfs messages To: linux-btrfs Content-Type: text/plain; charset=ISO-8859-1 Sender: linux-btrfs-owner@vger.kernel.org List-ID: ---------- Forwarded message ---------- From: Chester Date: Thu, Oct 17, 2013 at 3:51 PM Subject: dmesg filled with btrfs messages To: linux-btrfs It's what looks like the same message repeated over and over again. Here's my dmesg: Pasted below is an excerpt. The full netconsole log is on pastebin http://pastebin.com/4dQGCL9U [ 0.000000] Initializing cgroup subsys cpuset [ 0.000000] Initializing cgroup subsys cpu [ 0.000000] Initializing cgroup subsys cpuacct [ 0.000000] Linux version 3.11.0 (root@NaviLaptop) (gcc version 4.6.4 (Funtoo 4.6.4-r2) ) #1 SMP Thu Oct 17 08:33:08 CDT 2013 [ 0.000000] Command line: BOOT_IMAGE=/bzImage-3.11 rootflags=thread_pool=32,autodefrag,inode_cache,subvolid=258 radeon.modeset=1 radeon.audio=1 radeon.dpm=1 zswap.enabled=0 zswap.compressor=lz4hc funtoo-ati zram.num_devices=4 root=/dev/sda6 rootfstype=btrfs root=/dev/sda6 [ 0.000000] e820: BIOS-provided physical RAM map: [ 0.000000] BIOS-e820: [mem 0x0000000000000000-0x000000000009f7ff] usable [ 0.000000] BIOS-e820: [mem 0x000000000009f800-0x000000000009ffff] reserved [ 0.000000] BIOS-e820: [mem 0x00000000000e0000-0x00000000000fffff] reserved [ 0.000000] BIOS-e820: [mem 0x0000000000100000-0x00000000bfb3efff] usable .... [24099.408977] ------------[ cut here ]------------ [24099.408999] WARNING: CPU: 2 PID: 19049 at fs/btrfs/inode.c:2206 record_one_backref+0x303/0x31b() [24099.409002] Modules linked in: netconsole joydev evdev psmouse ehci_pci ohci_hcd ehci_hcd xhci_hcd snd_hda_codec_idt snd_hda_codec_hdmi snd_hda_intel snd_hda_codec r8169 mii brcmsmac cordic brcmutil bcma bnep bluetooth [24099.409040] CPU: 2 PID: 19049 Comm: btrfs-endio-wri Tainted: G W 3.11.0 #1 [24099.409043] Hardware name: Hewlett-Packard HP Pavilion dv6 Notebook PC/358B, BIOS F.21 09/13/2011 [24099.409046] 000000000000089e ffff880101b63ad8 ffffffff817c33f6 0000000000000027 [24099.409054] 0000000000000000 ffff880101b63b18 ffffffff8106b44d 0000160000000000 [24099.409060] ffffffff812a9588 000000000000008f ffff88016c5b2240 ffff88012eac2600 [24099.409067] Call Trace: [24099.409074] [] dump_stack+0x46/0x58 [24099.409079] [] warn_slowpath_common+0x7c/0x96 [24099.409083] [] ? record_one_backref+0x303/0x31b [24099.409087] [] warn_slowpath_null+0x15/0x17 [24099.409090] [] record_one_backref+0x303/0x31b [24099.409096] [] ? ulist_free+0x1c/0x20 [24099.409210] [] iterate_extent_inodes+0x148/0x1dd [24099.409213] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.409216] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.409220] [] iterate_inodes_from_logical+0x84/0x93 [24099.409224] [] record_extent_backrefs+0x5c/0xa2 [24099.409228] [] btrfs_finish_ordered_io+0x64c/0x788 [24099.409232] [] ? call_timer_fn+0xe3/0xe3 [24099.409235] [] finish_ordered_fn+0x10/0x12 [24099.409239] [] worker_loop+0x169/0x49b [24099.409242] [] ? btrfs_queue_worker+0x27c/0x27c [24099.409247] [] kthread+0x88/0x90 [24099.409251] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.409256] [] ret_from_fork+0x7c/0xb0 [24099.409260] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.409262] ---[ end trace d8a7321b53f5ba9a ]--- [24099.409334] ------------[ cut here ]------------ [24099.409339] WARNING: CPU: 2 PID: 19049 at fs/btrfs/inode.c:2206 record_one_backref+0x303/0x31b() [24099.409341] Modules linked in: netconsole joydev evdev psmouse ehci_pci ohci_hcd ehci_hcd xhci_hcd snd_hda_codec_idt snd_hda_codec_hdmi snd_hda_intel snd_hda_codec r8169 mii brcmsmac cordic brcmutil bcma bnep bluetooth [24099.409427] CPU: 2 PID: 19049 Comm: btrfs-endio-wri Tainted: G W 3.11.0 #1 [24099.409429] Hardware name: Hewlett-Packard HP Pavilion dv6 Notebook PC/358B, BIOS F.21 09/13/2011 [24099.409432] 000000000000089e ffff880101b63ad8 ffffffff817c33f6 000000000000008d [24099.409439] 0000000000000000 ffff880101b63b18 ffffffff8106b44d 0000160000000000 [24099.409499] ffffffff812a9588 0000000000000041 ffff88016c5b2240 ffff88012eac2500 [24099.409505] Call Trace: [24099.409508] [] dump_stack+0x46/0x58 [24099.409511] [] warn_slowpath_common+0x7c/0x96 [24099.409623] [] ? record_one_backref+0x303/0x31b [24099.409626] [] warn_slowpath_null+0x15/0x17 [24099.409629] [] record_one_backref+0x303/0x31b [24099.409633] [] ? ulist_free+0x1c/0x20 [24099.409636] [] iterate_extent_inodes+0x148/0x1dd [24099.409640] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.409643] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.409646] [] iterate_inodes_from_logical+0x84/0x93 [24099.409650] [] record_extent_backrefs+0x5c/0xa2 [24099.409653] [] btrfs_finish_ordered_io+0x64c/0x788 [24099.409657] [] ? call_timer_fn+0xe3/0xe3 [24099.409660] [] finish_ordered_fn+0x10/0x12 [24099.409721] [] worker_loop+0x169/0x49b [24099.409725] [] ? btrfs_queue_worker+0x27c/0x27c [24099.409728] [] kthread+0x88/0x90 [24099.409732] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.409735] [] ret_from_fork+0x7c/0xb0 [24099.409739] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.409742] ---[ end trace d8a7321b53f5ba9b ]--- [24099.540543] ------------[ cut here ]------------ [24099.540567] WARNING: CPU: 3 PID: 17571 at fs/btrfs/inode.c:2206 record_one_backref+0x303/0x31b() [24099.540570] Modules linked in: netconsole joydev evdev psmouse ehci_pci ohci_hcd ehci_hcd xhci_hcd snd_hda_codec_idt snd_hda_codec_hdmi snd_hda_intel snd_hda_codec r8169 mii brcmsmac cordic brcmutil bcma bnep bluetooth [24099.540606] CPU: 3 PID: 17571 Comm: btrfs-endio-wri Tainted: G W 3.11.0 #1 [24099.540608] Hardware name: Hewlett-Packard HP Pavilion dv6 Notebook PC/358B, BIOS F.21 09/13/2011 [24099.540613] 000000000000089e ffff880167783ad8 ffffffff817c33f6 00000000000000f3 [24099.540625] 0000000000000000 ffff880167783b18 ffffffff8106b44d 0000160000000000 [24099.540659] ffffffff812a9588 0000000000000092 ffff88019843ccf0 ffff880115643b00 [24099.540669] Call Trace: [24099.540687] [] dump_stack+0x46/0x58 [24099.540695] [] warn_slowpath_common+0x7c/0x96 [24099.540700] [] ? record_one_backref+0x303/0x31b [24099.540704] [] warn_slowpath_null+0x15/0x17 [24099.540709] [] record_one_backref+0x303/0x31b [24099.540716] [] ? ulist_free+0x1c/0x20 [24099.540721] [] iterate_extent_inodes+0x148/0x1dd [24099.540725] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.540729] [] ? btrfs_real_readdir+0x4b5/0x4b5 [24099.540742] [] iterate_inodes_from_logical+0x84/0x93 [24099.540746] [] record_extent_backrefs+0x5c/0xa2 [24099.540752] [] btrfs_finish_ordered_io+0x64c/0x788 [24099.540757] [] ? call_timer_fn+0xe3/0xe3 [24099.540761] [] finish_ordered_fn+0x10/0x12 [24099.540765] [] worker_loop+0x169/0x49b [24099.540769] [] ? btrfs_queue_worker+0x27c/0x27c [24099.540774] [] kthread+0x88/0x90 [24099.540779] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.540785] [] ret_from_fork+0x7c/0xb0 [24099.540789] [] ? kthread_freezable_should_stop+0x3e/0x3e [24099.540793] ---[ end trace d8a7321b53f5ba9c ]--- [24249.404615] INFO: rcu_sched detected stalls on CPUs/tasks: {} (detected by 1, t=15002 jiffies, g=2188820, c=2188819, q=86) [24249.404637] INFO: Stall ended before state dump start