Hi, today i had again the no space situation while having the device mounted with: enospc_debug # btrfs filesystem df /vmbackup/ Data, single: total=18.54TiB, used=17.94TiB System, DUP: total=32.00MiB, used=2.83MiB Metadata, DUP: total=126.00GiB, used=99.45GiB GlobalReserve, single: total=512.00MiB, used=0.00B [180587.839969] use_block_rsv: 25370 callbacks suppressed [180587.839975] ------------[ cut here ]------------ [180587.840009] WARNING: CPU: 8 PID: 22807 at fs/btrfs/extent-tree.c:7539 btrfs_alloc_tree_block+0x431/0x4c0 [btrfs]() [180587.840012] BTRFS: block rsv returned -28 [180587.840014] Modules linked in: dm_mod netconsole ipt_REJECT nf_reject_ipv4 xt_multiport iptable_filter ip_tables x_tables cpufreq_userspace cpufreq_stats cpufreq_powersave cpufreq_conservative bonding ext2 usbhid coretemp loop ehci_pci sb_edac ehci_hcd edac_core i2c_i801 usbcore i2c_core shpchp usb_common ipmi_si ipmi_msghandler button btrfs lzo_compress raid0 raid456 async_raid6_recov async_memcpy async_pq async_xor async_tx xor raid6_pq raid1 md_mod sg sd_mod aacraid ahci i40e(O) libahci ixgbe vxlan ip6_udp_tunnel mdio udp_tunnel ptp pps_core [180587.840073] CPU: 8 PID: 22807 Comm: kworker/u66:19 Tainted: G W O 4.1.6+19-ph #1 [180587.840076] Hardware name: Supermicro X10DRH/X10DRH-IT, BIOS 1.0c 02/18/2015 [180587.840099] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] [180587.840115] ffffffffc04593f3 ffff880fe6c4f848 ffffffff9f633a26 0000000000000000 [180587.840125] ffff880fe6c4f898 ffff880fe6c4f888 ffffffff9f07dd17 0000000000000000 [180587.840128] ffff88105b732148 0000000000000000 ffff88085bc95800 0000000000004000 [180587.840132] Call Trace: [180587.840148] [<ffffffff9f633a26>] dump_stack+0x45/0x57 [180587.840161] [<ffffffff9f07dd17>] warn_slowpath_common+0x97/0xe0 [180587.840168] [<ffffffff9f07de16>] warn_slowpath_fmt+0x46/0x50 [180587.840185] [<ffffffffc03c1611>] btrfs_alloc_tree_block+0x431/0x4c0 [btrfs] [180587.840200] [<ffffffffc03cb340>] ? verify_parent_transid+0x200/0x200 [btrfs] [180587.840221] [<ffffffffc03f87d9>] ? read_extent_buffer+0xb9/0x120 [btrfs] [180587.840232] [<ffffffffc03ab2fc>] __btrfs_cow_block+0x11c/0x540 [btrfs] [180587.840248] [<ffffffffc03cec25>] ? btrfs_buffer_uptodate+0x65/0x80 [btrfs] [180587.840259] [<ffffffffc03ab8ea>] btrfs_cow_block+0x12a/0x1c0 [btrfs] [180587.840270] [<ffffffffc03af800>] btrfs_search_slot+0x1d0/0xa10 [btrfs] [180587.840295] [<ffffffffc03c77d9>] btrfs_lookup_csum+0x69/0x180 [btrfs] [180587.840314] [<ffffffffc03c8c2c>] btrfs_csum_file_blocks+0xcc/0x6e0 [btrfs] [180587.840325] [<ffffffffc03aa84a>] ? btrfs_free_path+0x2a/0x40 [btrfs] [180587.840341] [<ffffffffc03d835d>] ? insert_reserved_file_extent.constprop.68+0xbd/0x310 [btrfs] [180587.840362] [<ffffffffc03d6bcd>] add_pending_csums.isra.39+0x4d/0x70 [btrfs] [180587.840382] [<ffffffffc03de5b6>] btrfs_finish_ordered_io+0x2e6/0x5e0 [btrfs] [180587.840398] [<ffffffffc03b4e63>] ? get_alloc_profile+0xc3/0x1f0 [btrfs] [180587.840418] [<ffffffffc03de8c5>] finish_ordered_fn+0x15/0x20 [btrfs] [180587.840443] [<ffffffffc0405d02>] normal_work_helper+0xc2/0x2a0 [btrfs] [180587.840464] [<ffffffffc0406072>] btrfs_endio_write_helper+0x12/0x20 [btrfs] [180587.840473] [<ffffffff9f09563f>] process_one_work+0x14f/0x410 [180587.840476] [<ffffffff9f095a59>] worker_thread+0x119/0x510 [180587.840480] [<ffffffff9f6359b1>] ? __schedule+0x4f1/0x99f [180587.840489] [<ffffffff9f095940>] ? process_scheduled_works+0x40/0x40 [180587.840494] [<ffffffff9f09c1a9>] kthread+0xc9/0xe0 [180587.840499] [<ffffffff9f09c0e0>] ? kthread_create_on_node+0x1a0/0x1a0 [180587.840509] [<ffffffff9f63a562>] ret_from_fork+0x42/0x70 [180587.840513] [<ffffffff9f09c0e0>] ? kthread_create_on_node+0x1a0/0x1a0 [180587.840516] ---[ end trace 35a5e6cf972ae9a0 ]--- [180766.073218] use_block_rsv: 20 callbacks suppressed [180766.073223] ------------[ cut here ]------------ Stefan -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
