Hello, I am using here Debian Jessie whith classic Raid1 mdadm, with two ssd devices (Crucial_CT256MX100SSD1) and btrfs 3.14-2-amd64 #1 SMP Debian 3.14.13-2 (2014-07-24) x86_64 GNU/Linux. The server under load. After some days or a week is see in messages (log files, see below.). The server is not freeze but works not correctly. There are no possibility to reboot. Is this a bug? May be somebody has an ider for mount options or kernel upgrade? cat > fstab /dev/md/2 / btrfs defaults 0 0 Regards Vladislav cat > messages Aug 12 06:25:45 srv1 rsyslogd: [origin software="rsyslogd" swVersion="7.6.3" x-pid="1676" x-info="http://www.rsyslog.com"] rsyslogd was HUPed Aug 12 06:28:36 srv1 rsyslogd-2359: action 'action 17' resumed (module 'builtin:ompipe') [try http://www.rsyslog.com/e/2359 ] Aug 12 07:02:04 srv1 rsyslogd-2007: action 'action 17' suspended, next retry is Tue Aug 12 07:02:34 2014 [try http://www.rsyslog.com/e/2007 ] Aug 12 09:03:41 srv1 kernel: [163223.598939] mysqld D ffff88040b2a2e38 0 11941 4011 0x00000000 Aug 12 09:03:41 srv1 kernel: [163223.598941] ffff88040b2a2a20 0000000000000086 0000000000014380 ffff880428eeffd8 Aug 12 09:03:41 srv1 kernel: [163223.598943] 0000000000014380 ffff88040b2a2a20 ffff88081ea54c10 ffff88081edc7608 Aug 12 09:03:41 srv1 kernel: [163223.598944] 0000000000000002 ffffffff81121000 ffff880428eef6d0 ffff880428eef7b0 Aug 12 09:03:41 srv1 kernel: [163223.598946] Call Trace: Aug 12 09:03:41 srv1 kernel: [163223.598950] [<ffffffff81121000>] ? wait_on_page_read+0x60/0x60 Aug 12 09:03:41 srv1 kernel: [163223.598954] [<ffffffff814c7e34>] ? io_schedule+0x94/0x130 Aug 12 09:03:41 srv1 kernel: [163223.598955] [<ffffffff81121005>] ? sleep_on_page+0x5/0x10 Aug 12 09:03:41 srv1 kernel: [163223.598956] [<ffffffff814c81a4>] ? __wait_on_bit+0x54/0x80 Aug 12 09:03:41 srv1 kernel: [163223.598960] [<ffffffff8109f510>] ? autoremove_wake_function+0x30/0x30 Aug 12 09:03:41 srv1 kernel: [163223.598965] [<ffffffff811345b7>] ? shrink_inactive_list+0x187/0x4d0 Aug 12 09:03:41 srv1 kernel: [163223.598968] [<ffffffff811352de>] ? shrink_zone+0x5e/0x180 Aug 12 09:03:41 srv1 kernel: [163223.598971] [<ffffffff81135e45>] ? try_to_free_mem_cgroup_pages+0xc5/0x150 Aug 12 09:03:41 srv1 kernel: [163223.598975] [<ffffffff8117f82f>] ? __mem_cgroup_try_charge+0x55f/0x6a0 Aug 12 09:03:41 srv1 kernel: [163223.598990] [<ffffffff8117ffdd>] ? mem_cgroup_charge_common+0x3d/0x90 Aug 12 09:03:41 srv1 kernel: [163223.598995] [<ffffffff81121d41>] ? add_to_page_cache_lru+0x11/0x40 Aug 12 09:03:41 srv1 kernel: [163223.599002] [<ffffffffa023f80e>] ? prepare_pages.isra.19+0xae/0x170 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599012] [<ffffffffa0240925>] ? btrfs_file_aio_write+0x215/0x550 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599015] [<ffffffff811876a7>] ? do_sync_write+0x57/0x90 Aug 12 09:03:41 srv1 kernel: [163223.599018] [<ffffffff8118876d>] ? SyS_write+0x3d/0xa0 Aug 12 09:03:41 srv1 kernel: [163223.599054] ffff8807f6a1b1f0 0000000000000086 0000000000014380 ffff88053c2c3fd8 Aug 12 09:03:41 srv1 kernel: [163223.599057] 0000000000000002 ffffffff81121000 ffff88053c2c3650 ffff88053c2c3730 Aug 12 09:03:41 srv1 kernel: [163223.599059] [<ffffffff81121000>] ? wait_on_page_read+0x60/0x60 Aug 12 09:03:41 srv1 kernel: [163223.599062] [<ffffffff81121005>] ? sleep_on_page+0x5/0x10 Aug 12 09:03:41 srv1 kernel: [163223.599064] [<ffffffff81120e0f>] ? wait_on_page_bit+0x7f/0x90 Aug 12 09:03:41 srv1 kernel: [163223.599067] [<ffffffff81133bb7>] ? shrink_page_list+0x667/0xa50 Aug 12 09:03:41 srv1 kernel: [163223.599069] [<ffffffff81134f69>] ? shrink_lruvec+0x2e9/0x600 Aug 12 09:03:41 srv1 kernel: [163223.599072] [<ffffffff811357a0>] ? do_try_to_free_pages+0xe0/0x550 Aug 12 09:03:41 srv1 kernel: [163223.599076] [<ffffffff81135e45>] ? try_to_free_mem_cgroup_pages+0xc5/0x150 Aug 12 09:03:41 srv1 kernel: [163223.599079] [<ffffffff8117f82f>] ? __mem_cgroup_try_charge+0x55f/0x6a0 Aug 12 09:03:41 srv1 kernel: [163223.599082] [<ffffffff8117ffdd>] ? mem_cgroup_charge_common+0x3d/0x90 Aug 12 09:03:41 srv1 kernel: [163223.599084] [<ffffffff81121c0f>] ? add_to_page_cache_locked+0x2f/0x150 Aug 12 09:03:41 srv1 kernel: [163223.599091] [<ffffffffa024e127>] ? extent_readpages+0xb7/0x190 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599098] [<ffffffff8112d503>] ? __do_page_cache_readahead+0x193/0x240 Aug 12 09:03:41 srv1 kernel: [163223.599101] [<ffffffff811238d9>] ? generic_file_aio_read+0x459/0x6d0 Aug 12 09:03:41 srv1 kernel: [163223.599103] [<ffffffff81187c41>] ? vfs_read+0x91/0x160 Aug 12 09:03:41 srv1 kernel: [163223.599106] [<ffffffff814d2cf9>] ? system_call_fastpath+0x16/0x1b Aug 12 09:03:41 srv1 kernel: [163223.599168] kworker/u16:2 D ffff880730ea0868 0 27951 2 0x00000000 Aug 12 09:03:41 srv1 kernel: [163223.599172] ffff880730ea0450 0000000000000046 0000000000014380 ffff88000721ffd8 Aug 12 09:03:41 srv1 kernel: [163223.599174] ffff88000721f880 0000000000000002 ffffffff81121000 ffff8805827e3d98 Aug 12 09:03:41 srv1 kernel: [163223.599176] [<ffffffff81121000>] ? wait_on_page_read+0x60/0x60 Aug 12 09:03:41 srv1 kernel: [163223.599179] [<ffffffff81121005>] ? sleep_on_page+0x5/0x10 Aug 12 09:03:41 srv1 kernel: [163223.599181] [<ffffffff811210f5>] ? __lock_page+0x65/0x70 Aug 12 09:03:41 srv1 kernel: [163223.599189] [<ffffffffa0248fcd>] ? lock_delalloc_pages+0x10d/0x190 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599199] [<ffffffffa024b95f>] ? submit_extent_page.isra.36+0x1af/0x230 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599209] [<ffffffffa024b640>] ? end_extent_writepage+0x90/0x90 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599215] [<ffffffffa024ce97>] ? extent_write_cache_pages.isra.29.constprop.49+0x207/0x340 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599225] [<ffffffffa0233960>] ? btrfs_submit_direct+0x6b0/0x6b0 [btrfs] Aug 12 09:03:41 srv1 kernel: [163223.599229] [<ffffffff811ad63c>] ? writeback_sb_inodes+0x19c/0x3d0 Aug 12 09:03:41 srv1 kernel: [163223.599232] [<ffffffff811adb73>] ? wb_writeback+0x243/0x2d0 Aug 12 09:03:41 srv1 kernel: [163223.599236] [<ffffffff8101255b>] ? __switch_to+0x11b/0x4b0 Aug 12 09:03:41 srv1 kernel: [163223.599240] [<ffffffff8107a7e6>] ? worker_thread+0x116/0x3b0 Aug 12 09:03:41 srv1 kernel: [163223.599243] [<ffffffff81080a68>] ? kthread+0xb8/0xd0 Aug 12 09:03:41 srv1 kernel: [163223.599245] [<ffffffff814d2c4c>] ? ret_from_fork+0x7c/0xb0 Aug 12 09:05:41 srv1 kernel: [163343.527812] Call Trace: Grus Valdis -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html