-

36930.519764] ------------[ cut here ]------------
[36930.519780] WARNING: CPU: 1 PID: 7238 at fs/btrfs/inode.c:2896 btrfs_finish_ordered_io+0x62a/0x640 [btrfs]()
[36930.519782] BTRFS: error (device sda1) in btrfs_finish_ordered_io:2896: errno=-95 unknown
[36930.519784] BTRFS info (device sda1): forced readonly
[36930.519786] BTRFS: Transaction aborted (error -95)
[36930.519787] Modules linked in: fuse btusb btrtl btbcm btintel bluetooth crc16 mousedev joydev input_leds hid_logitech_hidpp xpad ff_memless hid_generic hid_logitech_dj usbhid hid uvcvideo snd_usb_audio videobuf2_vmalloc videobuf2_memops videobuf2_core snd_usbmidi_lib snd_hwdep v4l2_common videodev media xt_conntrack ipt_MASQUERADE nf_nat_masquerade_ipv4 iptable_nat nf_conntrack_ipv4 nf_defrag_ipv4 nf_nat_ipv4 xt_addrtype iptable_filter nf_nat nf_conntrack br_netfilter bridge stp llc dm_thin_pool dm_persistent_data dm_bio_prison dm_bufio libcrc32c loop dm_mod b43 mac80211 cfg80211 ssb mmc_core rng_core pcmcia iTCO_wdt iTCO_vendor_support pcmcia_core eeepc_wmi asus_wmi sparse_keymap led_class rfkill mxm_wmi intel_rapl iosf_mbi x86_pkg_temp_thermal intel_powerclamp kvm crct10dif_pclmul crc32_pclmul
[36930.519821]  aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper cryptd snd_virtuoso snd_oxygen_lib snd_mpu401_uart snd_rawmidi snd_seq_device snd_pcm psmouse serio_raw pcspkr snd_timer snd soundcore i2c_i801 e1000e lpc_ich bcma ie31200_edac ptp mei_me mei pps_core edac_core shpchp fan thermal battery tpm_infineon tpm_tis wmi tpm video processor evdev mac_hid sch_fq_codel nfs lockd grace sunrpc fscache nct6775 hwmon_vid coretemp fglrx(O) button amd_iommu_v2 ip_tables x_tables btrfs xor uas usb_storage raid6_pq sd_mod atkbd libps2 crc32c_intel ehci_pci ahci ehci_hcd libahci libata scsi_mod xhci_pci xhci_hcd usbcore usb_common i8042 serio
[36930.519856] CPU: 1 PID: 7238 Comm: kworker/u8:7 Tainted: G           O    4.2.5-1-ARCH #1
[36930.519857] Hardware name: System manufacturer System Product Name/MAXIMUS V FORMULA, BIOS 1803 05/24/2013
[36930.519866] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs]
[36930.519868]  0000000000000000 00000000111bc0da ffff8800aad93c38 ffffffff81570d0a
[36930.519870]  0000000000000000 ffff8800aad93c90 ffff8800aad93c78 ffffffff810748a6
[36930.519872]  0000000000000801 ffff880360208d68 ffff8800d8ef2800 ffff88036031d380
[36930.519874] Call Trace:
[36930.519879]  [<ffffffff81570d0a>] dump_stack+0x4c/0x6e
[36930.519883]  [<ffffffff810748a6>] warn_slowpath_common+0x86/0xc0
[36930.519885]  [<ffffffff81074935>] warn_slowpath_fmt+0x55/0x70
[36930.519893]  [<ffffffffa021e12a>] btrfs_finish_ordered_io+0x62a/0x640 [btrfs]
[36930.519896]  [<ffffffff8109ca88>] ? check_preempt_curr+0x58/0xa0
[36930.519903]  [<ffffffffa021e3d5>] finish_ordered_fn+0x15/0x20 [btrfs]
[36930.519911]  [<ffffffffa0246687>] btrfs_scrubparity_helper+0x77/0x2e0 [btrfs]
[36930.519919]  [<ffffffffa024697e>] btrfs_endio_write_helper+0xe/0x10 [btrfs]
[36930.519921]  [<ffffffff8108c5db>] process_one_work+0x14b/0x440
[36930.519923]  [<ffffffff8108c918>] worker_thread+0x48/0x4a0
[36930.519925]  [<ffffffff8108c8d0>] ? process_one_work+0x440/0x440
[36930.519927]  [<ffffffff8108c8d0>] ? process_one_work+0x440/0x440
[36930.519930]  [<ffffffff81092578>] kthread+0xd8/0xf0
[36930.519932]  [<ffffffff810924a0>] ? kthread_worker_fn+0x170/0x170
[36930.519934]  [<ffffffff8157665f>] ret_from_fork+0x3f/0x70
[36930.519937]  [<ffffffff810924a0>] ? kthread_worker_fn+0x170/0x170
[36930.519938] ---[ end trace adec60ccc440e72d ]---
[36930.519940] BTRFS: error (device sda1) in btrfs_finish_ordered_io:2896: errno=-95 unknown
[36930.520442] pending csums is 241664
[36930.522143] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522171] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522196] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522383] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522412] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522440] systemd-journald[195]: Failed to truncate file to its own size: Read-only file system
[36930.522466] systemd-journald[195]: Failed to truncate file to its own size: Read-only file syste