On Mon, Mar 11, 2013 at 10:34:04PM +0100, Johannes Hirte wrote: > Since the updates for linux-3.9 I've had three or four times a system > freeze and only a reset (Magic SysRq) helped. After the reboot I found > a bunch of this in syslog: > > Mar 11 21:56:09 localhost kernel: ------------[ cut here ]------------ > Mar 11 21:56:09 localhost kernel: WARNING: at fs/btrfs/extent_map.c:77 > free_extent_map+0x64/0x76() > Mar 11 21:56:09 localhost kernel: Hardware name: EasyNote TK81 > Mar 11 21:56:09 localhost kernel: Modules linked in: nfsv4 nfsd exportfs > auth_rpcgss nfs_acl fuse nfs lockd sunrpc snd_hda_codec_hdmi > snd_hda_codec_realtek snd_hda_intel ath9k snd_hda_codec ath9k_common ath9k_hw > acer_wmi snd_hwdep snd_pcm ath sr_mod wmi broadcom snd_page_alloc snd_timer > cdrom tg3 k10temp snd acpi_cpufreq ohci_hcd soundcore i2c_piix4 mperf > Mar 11 21:56:09 localhost kernel: Pid: 11260, comm: bogofilter Tainted: G > W 3.9.0-rc2 #293 > Mar 11 21:56:09 localhost kernel: Call Trace: > Mar 11 21:56:09 localhost kernel: [<ffffffff8102abc2>] ? > warn_slowpath_common+0x76/0x8c > Mar 11 21:56:09 localhost kernel: [<ffffffff8115dcff>] ? > free_extent_map+0x64/0x76 > Mar 11 21:56:09 localhost kernel: [<ffffffff8115bc57>] ? > btrfs_drop_extent_cache+0x363/0x39f > Mar 11 21:56:09 localhost kernel: [<ffffffff81152db4>] ? > __cow_file_range+0x175/0x3c1 > Mar 11 21:56:09 localhost kernel: [<ffffffff8114bb02>] ? > join_transaction.isra.34+0x30f/0x31a > Mar 11 21:56:09 localhost kernel: [<ffffffff8114d9f7>] ? > start_transaction+0x2d8/0x3e8 > Mar 11 21:56:09 localhost kernel: [<ffffffff8115383e>] ? > cow_file_range+0xa9/0xc5 > Mar 11 21:56:09 localhost kernel: [<ffffffff811538f7>] ? > run_delalloc_range+0x9d/0x33b > Mar 11 21:56:09 localhost kernel: [<ffffffff8116139b>] ? > free_extent_state+0x12/0x21 > Mar 11 21:56:09 localhost kernel: [<ffffffff81163fa3>] ? > __extent_writepage+0x1a8/0x5d8 > Mar 11 21:56:09 localhost kernel: [<ffffffff811635ae>] ? > end_extent_writepage+0x5d/0x5d > Mar 11 21:56:09 localhost kernel: [<ffffffff8116451d>] ? > extent_write_cache_pages.isra.29.constprop.47+0x14a/0x255 > Mar 11 21:56:09 localhost kernel: [<ffffffff81164836>] ? > extent_writepages+0x49/0x60 > Mar 11 21:56:09 localhost kernel: [<ffffffff81150146>] ? > btrfs_update_inode_item+0xde/0xde > Mar 11 21:56:09 localhost kernel: [<ffffffff8108fc58>] ? > __filemap_fdatawrite_range+0x4d/0x52 > Mar 11 21:56:09 localhost kernel: [<ffffffff8115a192>] ? > btrfs_sync_file+0x48/0x203 > Mar 11 21:56:09 localhost kernel: [<ffffffff810c85ff>] ? vfs_write+0xaf/0xf8 > Mar 11 21:56:09 localhost kernel: [<ffffffff810e783b>] ? do_fsync+0x2b/0x50 > Mar 11 21:56:09 localhost kernel: [<ffffffff810e7a42>] ? sys_fdatasync+0xb/0xf > Mar 11 21:56:09 localhost kernel: [<ffffffff814877d2>] ? > system_call_fastpath+0x16/0x1b > Mar 11 21:56:09 localhost kernel: ---[ end trace 3eaea449d8d56f92 ]--- > > As far as I remeber, it happend when fetching emails with claws. But > it's not a reliable testcase.
Hi Johannes, Could you please tell us what mount options you're with? thanks, liubo > > Another trace from the first time I found it in the logs. But here the > system didn't hang: > > Mar 4 14:28:35 localhost kernel: ------------[ cut here ]------------ > Mar 4 14:28:35 localhost kernel: WARNING: at fs/btrfs/extent_map.c:77 > free_extent_map+0x64/0x76() > Mar 4 14:28:35 localhost kernel: Hardware name: EasyNote TK81 > Mar 4 14:28:35 localhost kernel: Modules linked in: nfsd exportfs > auth_rpcgss nfs_acl fuse nfs lockd sunrpc snd_hda_codec_hdmi > snd_hda_codec_realtek snd_hda_intel ath9k snd_hda_codec ath9k_common > snd_hwdep snd_pcm broadcom ath9k_hw snd_page_alloc ath sr_mod snd_timer > acer_wmi snd cdrom wmi tg3 ohci_hcd soundcore k10temp edac_core acpi_cpufreq > i2c_piix4 mperf > Mar 4 14:28:35 localhost kernel: Pid: 1574, comm: flush-btrfs-1 Not tainted > 3.9.0-rc1 #289 > Mar 4 14:28:35 localhost kernel: Call Trace: > Mar 4 14:28:35 localhost kernel: [<ffffffff8102ab92>] ? > warn_slowpath_common+0x76/0x8c > Mar 4 14:28:35 localhost kernel: [<ffffffff8115dc7b>] ? > free_extent_map+0x64/0x76 > Mar 4 14:28:35 localhost kernel: [<ffffffff8115bbd3>] ? > btrfs_drop_extent_cache+0x363/0x39f > Mar 4 14:28:35 localhost kernel: [<ffffffff81152d2d>] ? > __cow_file_range+0x175/0x3c1 > Mar 4 14:28:36 localhost kernel: [<ffffffff81487830>] ? > _raw_spin_unlock+0x1c/0x28 > Mar 4 14:28:36 localhost kernel: [<ffffffff81160de3>] ? > release_extent_buffer.isra.25+0x90/0x97 > Mar 4 14:28:36 localhost kernel: [<ffffffff81153673>] ? > run_delalloc_nocow+0x6fa/0x795 > Mar 4 14:28:36 localhost kernel: [<ffffffff81153837>] ? > run_delalloc_range+0x64/0x33b > Mar 4 14:28:36 localhost kernel: [<ffffffff81161317>] ? > free_extent_state+0x12/0x21 > Mar 4 14:28:36 localhost kernel: [<ffffffff81163f1f>] ? > __extent_writepage+0x1a8/0x5d8 > Mar 4 14:28:36 localhost kernel: [<ffffffff8116352a>] ? > end_extent_writepage+0x5d/0x5d > Mar 4 14:28:36 localhost kernel: [<ffffffff811d4b69>] ? > cpumask_any_but+0x25/0x34 > Mar 4 14:28:36 localhost kernel: [<ffffffff810a5259>] ? > vma_interval_tree_subtree_search+0x33/0x55 > Mar 4 14:28:36 localhost kernel: [<ffffffff810b07b8>] ? > page_mkclean+0x107/0x119 > Mar 4 14:28:36 localhost kernel: [<ffffffff81164499>] ? > extent_write_cache_pages.isra.29.constprop.47+0x14a/0x255 > Mar 4 14:28:36 localhost kernel: [<ffffffff8114eae1>] ? > btrfs_submit_bio_hook+0x14f/0x14f > Mar 4 14:28:36 localhost kernel: [<ffffffff811647b2>] ? > extent_writepages+0x49/0x60 > Mar 4 14:28:36 localhost kernel: [<ffffffff811500ca>] ? > btrfs_update_inode_item+0xde/0xde > Mar 4 14:28:36 localhost kernel: [<ffffffff81487830>] ? > _raw_spin_unlock+0x1c/0x28 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e3b86>] ? > __writeback_single_inode+0x37/0xd6 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4810>] ? > writeback_sb_inodes+0x1b8/0x2d3 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4994>] ? > __writeback_inodes_wb+0x69/0xab > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4ad0>] ? > wb_writeback+0xfa/0x193 > Mar 4 14:28:36 localhost kernel: [<ffffffff810345e3>] ? > lock_timer_base.isra.29+0x22/0x46 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4da4>] ? > wb_do_writeback+0x10a/0x163 > Mar 4 14:28:36 localhost kernel: [<ffffffff810344d2>] ? > __internal_add_timer+0xb5/0xb5 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4e62>] ? > bdi_writeback_thread+0x65/0x116 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4dfd>] ? > wb_do_writeback+0x163/0x163 > Mar 4 14:28:36 localhost kernel: [<ffffffff810e4dfd>] ? > wb_do_writeback+0x163/0x163 > Mar 4 14:28:36 localhost kernel: [<ffffffff81041293>] ? kthread+0x81/0x89 > Mar 4 14:28:36 localhost kernel: [<ffffffff81040000>] ? get_pid+0x8/0xc > Mar 4 14:28:36 localhost kernel: [<ffffffff81041212>] ? > __kthread_parkme+0x5b/0x5b > Mar 4 14:28:36 localhost kernel: [<ffffffff814883ac>] ? > ret_from_fork+0x7c/0xb0 > Mar 4 14:28:36 localhost kernel: [<ffffffff81041212>] ? > __kthread_parkme+0x5b/0x5b > Mar 4 14:28:36 localhost kernel: ---[ end trace be472b1297cf60cb ]--- > Mar 4 14:28:36 localhost kernel: ------------[ cut here ]------------ > > regards, > Johannes > -- > To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in > the body of a message to majord...@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
