Got this rather lengthy trace with 3.12-rc3. Full output at http://wpkg.org/btrfs.txt (14 MB): Oct 2 22:34:57 bkp010 kernel: [38059.449633] BTRFS debug (device sdb5): truncated 1 orphans Oct 3 00:15:21 bkp010 kernel: [44080.512456] ------------[ cut here ]------------ Oct 3 00:15:21 bkp010 kernel: [44080.512484] WARNING: CPU: 2 PID: 796 at fs/btrfs/extent_io.c:211 free_extent_state.part.35+0x21/0x34 [btrfs]() Oct 3 00:15:21 bkp010 kernel: [44080.512498] Modules linked in: veth ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq zlib_deflate loop ehci_pci ehci_hcd i2c_i801 acpi_cpufreq pcspkr freq_table video lpc_ich mfd_core button i2c_core ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii Oct 3 00:15:21 bkp010 kernel: [44080.512592] CPU: 2 PID: 796 Comm: rsync Not tainted 3.12.0-rc3 #2 Oct 3 00:15:21 bkp010 kernel: [44080.512602] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 Oct 3 00:15:21 bkp010 kernel: [44080.512616] 0000000000000009 ffff880124349958 ffffffff8138156b 0000000000000006 Oct 3 00:15:21 bkp010 kernel: [44080.512708] 0000000000000000 ffff880124349998 ffffffff810366c1 ffff8801243499d8 Oct 3 00:15:21 bkp010 kernel: [44080.512800] ffffffffa02ad67c ffff88027d966c60 0000000000001000 0000000000000000 Oct 3 00:15:21 bkp010 kernel: [44080.512893] Call Trace: Oct 3 00:15:21 bkp010 kernel: [44080.512941] [<ffffffff8138156b>] dump_stack+0x46/0x58 Oct 3 00:15:21 bkp010 kernel: [44080.512991] [<ffffffff810366c1>] warn_slowpath_common+0x77/0x91 Oct 3 00:15:21 bkp010 kernel: [44080.513050] [<ffffffffa02ad67c>] ? free_extent_state.part.35+0x21/0x34 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513140] [<ffffffff810366f0>] warn_slowpath_null+0x15/0x17 Oct 3 00:15:21 bkp010 kernel: [44080.513199] [<ffffffffa02ad67c>] free_extent_state.part.35+0x21/0x34 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513258] [<ffffffffa02adbc9>] free_extent_state+0x19/0x1b [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513315] [<ffffffffa02af37c>] find_lock_delalloc_range.constprop.45+0x8d/0x1a5 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513414] [<ffffffffa02b0c39>] __extent_writepage+0x17e/0x5b6 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513473] [<ffffffffa02e09c8>] ? __resolve_indirect_refs+0x457/0x47c [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513564] [<ffffffff810ac5ac>] ? find_get_pages_tag+0xe9/0x123 Oct 3 00:15:21 bkp010 kernel: [44080.513621] [<ffffffffa02b1227>] extent_write_cache_pages.isra.31.constprop.49+0x1b6/0x2fa [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513715] [<ffffffff810ae47f>] ? find_get_pages+0xda/0xfb Oct 3 00:15:21 bkp010 kernel: [44080.513774] [<ffffffffa02a22c8>] ? btrfs_invalidatepage+0x4e/0x1c0 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513825] [<ffffffff811a1e73>] ? radix_tree_lookup_slot+0xe/0x10 Oct 3 00:15:21 bkp010 kernel: [44080.513883] [<ffffffffa02b15f9>] extent_writepages+0x46/0x57 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513940] [<ffffffffa029b434>] ? btrfs_fiemap+0x4c/0x4c [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.513996] [<ffffffffa029a615>] btrfs_writepages+0x23/0x25 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.514047] [<ffffffff810b5678>] do_writepages+0x19/0x27 Oct 3 00:15:21 bkp010 kernel: [44080.514096] [<ffffffff810ad361>] __filemap_fdatawrite_range+0x4e/0x50 Oct 3 00:15:21 bkp010 kernel: [44080.514145] [<ffffffff810adeb8>] filemap_fdatawrite_range+0xe/0x10 Oct 3 00:15:21 bkp010 kernel: [44080.514202] [<ffffffffa02aca81>] btrfs_wait_ordered_range+0x47/0xd7 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.514260] [<ffffffffa029feb9>] btrfs_truncate+0x46/0x21b [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.514315] [<ffffffffa02a08ee>] btrfs_setattr+0x196/0x281 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.514366] [<ffffffff81107e9d>] notify_change+0x1d5/0x2bf Oct 3 00:15:21 bkp010 kernel: [44080.514415] [<ffffffff81121b55>] ? fsnotify+0x259/0x2ae Oct 3 00:15:21 bkp010 kernel: [44080.514466] [<ffffffff810f075b>] do_truncate+0x60/0x85 Oct 3 00:15:21 bkp010 kernel: [44080.514514] [<ffffffff810f0a75>] do_sys_ftruncate.constprop.15+0x119/0x12d Oct 3 00:15:21 bkp010 kernel: [44080.514565] [<ffffffff810f0aab>] SyS_ftruncate+0x9/0xb Oct 3 00:15:21 bkp010 kernel: [44080.514613] [<ffffffff813863a2>] system_call_fastpath+0x16/0x1b Oct 3 00:15:21 bkp010 kernel: [44080.514662] ---[ end trace 00035cab7b970764 ]--- Oct 3 00:15:21 bkp010 kernel: [44080.514709] ------------[ cut here ]------------ Oct 3 00:15:21 bkp010 kernel: [44080.514763] WARNING: CPU: 2 PID: 796 at fs/btrfs/extent_io.c:211 free_extent_state.part.35+0x21/0x34 [btrfs]() Oct 3 00:15:21 bkp010 kernel: [44080.514855] Modules linked in: veth ipt_MASQUERADE iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 nf_nat nf_conntrack ip_tables x_tables cpufreq_ondemand cpufreq_conservative cpufreq_powersave cpufreq_stats bridge stp llc ipv6 btrfs xor raid6_pq zlib_deflate loop ehci_pci ehci_hcd i2c_i801 acpi_cpufreq pcspkr freq_table video lpc_ich mfd_core button i2c_core ext4 crc16 jbd2 mbcache raid1 sg sd_mod ahci libahci libata scsi_mod r8169 mii Oct 3 00:15:21 bkp010 kernel: [44080.515181] CPU: 2 PID: 796 Comm: rsync Tainted: G W 3.12.0-rc3 #2 Oct 3 00:15:21 bkp010 kernel: [44080.515230] Hardware name: System manufacturer System Product Name/P8H77-M PRO, BIOS 1101 02/04/2013 Oct 3 00:15:21 bkp010 kernel: [44080.515322] 0000000000000009 ffff880124349958 ffffffff8138156b 0000000000000006 Oct 3 00:15:21 bkp010 kernel: [44080.515415] 0000000000000000 ffff880124349998 ffffffff810366c1 ffff8801243499d8 Oct 3 00:15:21 bkp010 kernel: [44080.515506] ffffffffa02ad67c ffff88027d966c60 0000000008000000 0000000000000001 Oct 3 00:15:21 bkp010 kernel: [44080.515598] Call Trace: Oct 3 00:15:21 bkp010 kernel: [44080.515645] [<ffffffff8138156b>] dump_stack+0x46/0x58 Oct 3 00:15:21 bkp010 kernel: [44080.515693] [<ffffffff810366c1>] warn_slowpath_common+0x77/0x91 Oct 3 00:15:21 bkp010 kernel: [44080.515751] [<ffffffffa02ad67c>] ? free_extent_state.part.35+0x21/0x34 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.515841] [<ffffffff810366f0>] warn_slowpath_null+0x15/0x17 Oct 3 00:15:21 bkp010 kernel: [44080.515899] [<ffffffffa02ad67c>] free_extent_state.part.35+0x21/0x34 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.515957] [<ffffffffa02adbc9>] free_extent_state+0x19/0x1b [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516014] [<ffffffffa02af3c9>] find_lock_delalloc_range.constprop.45+0xda/0x1a5 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516112] [<ffffffffa02b0c39>] __extent_writepage+0x17e/0x5b6 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516171] [<ffffffffa02e09c8>] ? __resolve_indirect_refs+0x457/0x47c [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516262] [<ffffffff810ac5ac>] ? find_get_pages_tag+0xe9/0x123 Oct 3 00:15:21 bkp010 kernel: [44080.516319] [<ffffffffa02b1227>] extent_write_cache_pages.isra.31.constprop.49+0x1b6/0x2fa [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516411] [<ffffffff810ae47f>] ? find_get_pages+0xda/0xfb Oct 3 00:15:21 bkp010 kernel: [44080.516469] [<ffffffffa02a22c8>] ? btrfs_invalidatepage+0x4e/0x1c0 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516520] [<ffffffff811a1e73>] ? radix_tree_lookup_slot+0xe/0x10 Oct 3 00:15:21 bkp010 kernel: [44080.516577] [<ffffffffa02b15f9>] extent_writepages+0x46/0x57 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516634] [<ffffffffa029b434>] ? btrfs_fiemap+0x4c/0x4c [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516689] [<ffffffffa029a615>] btrfs_writepages+0x23/0x25 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516740] [<ffffffff810b5678>] do_writepages+0x19/0x27 Oct 3 00:15:21 bkp010 kernel: [44080.516788] [<ffffffff810ad361>] __filemap_fdatawrite_range+0x4e/0x50 Oct 3 00:15:21 bkp010 kernel: [44080.516838] [<ffffffff810adeb8>] filemap_fdatawrite_range+0xe/0x10 Oct 3 00:15:21 bkp010 kernel: [44080.516895] [<ffffffffa02aca81>] btrfs_wait_ordered_range+0x47/0xd7 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.516953] [<ffffffffa029feb9>] btrfs_truncate+0x46/0x21b [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.517009] [<ffffffffa02a08ee>] btrfs_setattr+0x196/0x281 [btrfs] Oct 3 00:15:21 bkp010 kernel: [44080.517059] [<ffffffff81107e9d>] notify_change+0x1d5/0x2bf Oct 3 00:15:21 bkp010 kernel: [44080.517107] [<ffffffff81121b55>] ? fsnotify+0x259/0x2ae Oct 3 00:15:21 bkp010 kernel: [44080.517156] [<ffffffff810f075b>] do_truncate+0x60/0x85 Oct 3 00:15:21 bkp010 kernel: [44080.517205] [<ffffffff810f0a75>] do_sys_ftruncate.constprop.15+0x119/0x12d Oct 3 00:15:21 bkp010 kernel: [44080.517255] [<ffffffff810f0aab>] SyS_ftruncate+0x9/0xb Oct 3 00:15:21 bkp010 kernel: [44080.517303] [<ffffffff813863a2>] system_call_fastpath+0x16/0x1b Oct 3 00:15:21 bkp010 kernel: [44080.517351] ---[ end trace 00035cab7b970765 ]--- -- Tomasz Chmielewski http://wpkg.org -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
