[ 2088.585322] netconsole: netconsole: network logging started [ 2135.664476] NET: Registered protocol family 38 [ 2136.009684] raid6: sse2x1 gen() 733 MB/s [ 2136.066305] raid6: sse2x1 xor() 2623 MB/s [ 2136.123030] raid6: sse2x2 gen() 753 MB/s [ 2136.179661] raid6: sse2x2 xor() 1881 MB/s [ 2136.236346] raid6: sse2x4 gen() 1001 MB/s [ 2136.292995] raid6: sse2x4 xor() 949 MB/s [ 2136.295433] raid6: using algorithm sse2x4 gen() 1001 MB/s [ 2136.297878] raid6: .... xor() 949 MB/s, rmw enabled [ 2136.299240] raid6: using ssse3x2 recovery algorithm [ 2136.312434] xor: measuring software checksum speed [ 2136.346307] prefetch64-sse: 7965.600 MB/sec [ 2136.379631] generic_sse: 7233.600 MB/sec [ 2136.380771] xor: using function: prefetch64-sse (7965.600 MB/sec) [ 2136.443859] Btrfs loaded, crc32c=crc32c-intel [ 2136.445026] BTRFS: selftest: sectorsize: 4096 nodesize: 4096 [ 2136.446180] BTRFS: selftest: sectorsize: 4096 nodesize: 8192 [ 2136.447355] BTRFS: selftest: sectorsize: 4096 nodesize: 16384 [ 2136.448466] BTRFS: selftest: sectorsize: 4096 nodesize: 32768 [ 2136.449570] BTRFS: selftest: sectorsize: 4096 nodesize: 65536 [ 2136.451868] BTRFS: device label completed [ 2136.451868] BTRFS: device label completed devid 1 transid 1390177 /dev/dm-0 devid 1 transid 1390177 /dev/dm-0 [ 2139.539212] BTRFS: device label completed [ 2139.539212] BTRFS: device label completed devid 2 transid 1390177 /dev/dm-1 devid 2 transid 1390177 /dev/dm-1 [ 2142.886761] BTRFS: device label completed [ 2142.886761] BTRFS: device label completed devid 12 transid 1390177 /dev/dm-2 devid 12 transid 1390177 /dev/dm-2 [ 2145.869385] BTRFS: device label completed [ 2145.869385] BTRFS: device label completed devid 5 transid 1390177 /dev/dm-3 devid 5 transid 1390177 /dev/dm-3 [ 2149.216573] BTRFS: device label completed [ 2149.216573] BTRFS: device label completed devid 11 transid 1390177 /dev/dm-4 devid 11 transid 1390177 /dev/dm-4 [ 2152.563212] BTRFS: device label completed [ 2152.563212] BTRFS: device label completed devid 8 transid 1390177 /dev/dm-5 devid 8 transid 1390177 /dev/dm-5 [ 2155.707355] BTRFS: device label completed [ 2155.707355] BTRFS: device label completed devid 13 transid 1390177 /dev/dm-6 devid 13 transid 1390177 /dev/dm-6 [ 2159.248260] BTRFS: device label completed [ 2159.248260] BTRFS: device label completed devid 14 transid 1390177 /dev/dm-7 devid 14 transid 1390177 /dev/dm-7 [ 2260.418912] BTRFS info (device dm-7): force clearing of disk cache [ 2260.420590] BTRFS info (device dm-7): disk space caching is enabled [ 2640.466874] INFO: task btrfs-transacti:6643 blocked for more than 120 seconds. [ 2640.468288] Not tainted 4.7.2-1-ARCH #1 [ 2640.469687] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2640.471389] btrfs-transacti D[ 2640.471389] btrfs-transacti D ffff8804555c7df8 ffff8804555c7df8 0 6643 2 0x00000000 0 6643 2 0x00000000 [ 2640.472925] ffff8804555c7df8[ 2640.472925] ffff8804555c7df8 00ff8804555c7e10 00ff8804555c7e10 ffff88046d65b400 ffff88046d65b400 ffff8804565be800 ffff8804565be800 [ 2640.474463] ffff88046bc04000[ 2640.474463] ffff88046bc04000 ffff8804555c8000 ffff8804555c8000 ffff880455de0000 ffff880455de0000 ffff88045e6d81f0 ffff88045e6d81f0 [ 2640.475966] ffff88045c5a7000[ 2640.475966] ffff88045c5a7000 ffff8804555c7e28 ffff8804555c7e28 ffff8804555c7e10 ffff8804555c7e10 ffffffff815daacc ffffffff815daacc [ 2640.477499] Call Trace: [ 2640.478928] [] schedule+0x3c/0x90 [ 2640.480401] [] btrfs_commit_transaction+0x3c0/0xae0 [btrfs] [ 2640.481883] [] ? wake_atomic_t_function+0x60/0x60 [ 2640.483342] [] transaction_kthread+0x1ca/0x1f0 [btrfs] [ 2640.484847] [] ? btrfs_cleanup_transaction+0x5a0/0x5a0 [btrfs] [ 2640.486304] [] kthread+0xd8/0xf0 [ 2640.487776] [] ret_from_fork+0x1f/0x40 [ 2640.489206] [] ? kthread_worker_fn+0x170/0x170 [ 2760.490406] INFO: task btrfs-transacti:6643 blocked for more than 120 seconds. [ 2760.491866] Not tainted 4.7.2-1-ARCH #1 [ 2760.493312] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 2760.494854] btrfs-transacti D[ 2760.494854] btrfs-transacti D ffff8804555c7df8 ffff8804555c7df8 0 6643 2 0x00000000 0 6643 2 0x00000000 [ 2760.496408] ffff8804555c7df8[ 2760.496408] ffff8804555c7df8 00ff8804555c7e10 00ff8804555c7e10 ffff88046d65b400 ffff88046d65b400 ffff8804565be800 ffff8804565be800 [ 2760.498030] ffff88046bc04000[ 2760.498030] ffff88046bc04000 ffff8804555c8000 ffff8804555c8000 ffff880455de0000 ffff880455de0000 ffff88045e6d81f0 ffff88045e6d81f0 [ 2760.499596] ffff88045c5a7000[ 2760.499596] ffff88045c5a7000 ffff8804555c7e28 ffff8804555c7e28 ffff8804555c7e10 ffff8804555c7e10 ffffffff815daacc ffffffff815daacc [ 2760.501233] Call Trace: [ 2760.502775] [] schedule+0x3c/0x90 [ 2760.504400] [] btrfs_commit_transaction+0x3c0/0xae0 [btrfs] [ 2760.506023] [] ? wake_atomic_t_function+0x60/0x60 [ 2760.507671] [] transaction_kthread+0x1ca/0x1f0 [btrfs] [ 2760.509282] [] ? btrfs_cleanup_transaction+0x5a0/0x5a0 [btrfs] [ 2760.510927] [] kthread+0xd8/0xf0 [ 2760.512549] [] ret_from_fork+0x1f/0x40 [ 2760.514186] [] ? kthread_worker_fn+0x170/0x170 [ 3000.513977] INFO: task mount:6319 blocked for more than 120 seconds. [ 3000.515627] Not tainted 4.7.2-1-ARCH #1 [ 3000.517235] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 3000.518869] mount D[ 3000.518869] mount D ffff88045ba4f820 ffff88045ba4f820 0 6319 683 0x00000000 0 6319 683 0x00000000 [ 3000.520587] ffff88045ba4f820[ 3000.520587] ffff88045ba4f820 00000000000079d8 00000000000079d8 ffff8804565ba700 ffff8804565ba700 ffff88045fb2db00 ffff88045fb2db00 [ 3000.522285] 0000000000000000[ 3000.522285] 0000000000000000 ffff88045ba50000 ffff88045ba50000 ffff88045b9d89f0 ffff88045b9d89f0 ffff88045b9d8800 ffff88045b9d8800 [ 3000.524016] ffff88045b9d89f0[ 3000.524016] ffff88045b9d89f0 0000000000000001 0000000000000001 ffff88045ba4f838 ffff88045ba4f838 ffffffff815daacc ffffffff815daacc [ 3000.525746] Call Trace: [ 3000.527397] [] schedule+0x3c/0x90 [ 3000.529014] [] wait_current_trans.isra.8+0xca/0x110 [btrfs] [ 3000.530651] [] ? wake_atomic_t_function+0x60/0x60 [ 3000.532269] [] start_transaction+0x267/0x4c0 [btrfs] [ 3000.533906] [] btrfs_join_transaction+0x17/0x20 [btrfs] [ 3000.535505] [] btrfs_evict_inode+0x465/0x5d0 [btrfs] [ 3000.537061] [] ? autoremove_wake_function+0x40/0x40 [ 3000.538640] [] evict+0xc5/0x190 [ 3000.540196] [] iput+0x1d9/0x260 [ 3000.541783] [] btrfs_orphan_cleanup+0x1f1/0x410 [btrfs] [ 3000.543344] [] btrfs_recover_relocation+0x36b/0x440 [btrfs] [ 3000.544941] [] ? btrfs_cleanup_fs_roots+0x16c/0x1a0 [btrfs] [ 3000.546506] [] ? btrfs_find_orphan_roots+0x1c6/0x290 [btrfs] [ 3000.548091] [] open_ctree+0x1f7d/0x2410 [btrfs] [ 3000.549641] [] btrfs_mount+0xdd6/0xf70 [btrfs] [ 3000.551185] [] ? find_next_zero_bit+0x1d/0x20 [ 3000.552709] [] mount_fs+0x38/0x150 [ 3000.554232] [] ? alloc_vfsmnt+0x19e/0x230 [ 3000.555743] [] vfs_kern_mount+0x67/0x110 [ 3000.557268] [] btrfs_mount+0x1a3/0xf70 [btrfs] [ 3000.558749] [] ? find_next_zero_bit+0x1d/0x20 [ 3000.560203] [] mount_fs+0x38/0x150 [ 3000.561654] [] ? alloc_vfsmnt+0x19e/0x230 [ 3000.563102] [] vfs_kern_mount+0x67/0x110 [ 3000.564544] [] do_mount+0x24c/0xd90 [ 3000.565968] [] ? strndup_user+0x46/0x80 [ 3000.567377] [] ? __kmalloc_track_caller+0x1ab/0x240 [ 3000.568773] [] ? copy_mount_options+0x2c/0x230 [ 3000.570153] [] SyS_mount+0x83/0xd0 [ 3000.571560] [] entry_SYSCALL_64_fastpath+0x1a/0xa4 [ 3048.691831] BUG: unable to handle kernel [ 3048.691831] BUG: unable to handle kernel NULL pointer dereferenceNULL pointer dereference at 00000000000001f0 at 00000000000001f0 [ 3048.693314] IP:[ 3048.693314] IP: [] can_overcommit+0x1e/0x110 [btrfs] [] can_overcommit+0x1e/0x110 [btrfs] [ 3048.694741] PGD 0 [ 3048.694741] PGD 0 [ 3048.696109] Oops: 0000 [#1] PREEMPT SMP [ 3048.697495] Modules linked in:[ 3048.697495] Modules linked in: btrfs btrfs xor xor raid6_pq raid6_pq dm_crypt dm_crypt algif_skcipher algif_skcipher af_alg af_alg dm_mod dm_mod netconsole netconsole cfg80211 cfg80211 rfkill rfkill intel_powerclamp intel_powerclamp coretemp coretemp ast ast kvm_intel kvm_intel ttm ttm kvm kvm drm_kms_helper drm_kms_helper gpio_ich gpio_ich iTCO_wdt iTCO_wdt iTCO_vendor_support iTCO_vendor_support drm drm irqbypass irqbypass ipmi_ssif ipmi_ssif raid1 raid1 crct10dif_pclmul crct10dif_pclmul crc32_pclmul crc32_pclmul ghash_clmulni_intel ghash_clmulni_intel aesni_intel aesni_intel aes_x86_64 aes_x86_64 lrw lrw gf128mul gf128mul glue_helper glue_helper md_mod md_mod syscopyarea syscopyarea sysfillrect sysfillrect sysimgblt sysimgblt input_leds input_leds ablk_helper ablk_helper led_class led_class fb_sys_fops fb_sys_fops cryptd cryptd mousedev mousedev joydev joydev intel_cstate intel_cstate serio_raw serio_raw evdev evdev lpc_ich lpc_ich pcspkr pcspkr psmouse psmouse ipmi_si ipmi_si ipmi_msghandler ipmi_msghandler mac_hid mac_hid i2c_i801 i2c_i801 shpchp shpchp i2c_ismt i2c_ismt acpi_cpufreq acpi_cpufreq tpm_tis tpm_tis tpm tpm sch_fq_codel sch_fq_codel ip_tables ip_tables x_tables x_tables overlay overlay squashfs squashfs loop loop nls_iso8859_1 nls_iso8859_1 nls_cp437 nls_cp437 vfat vfat fat fat sr_mod sr_mod cdrom cdrom uas uas usb_storage usb_storage hid_generic hid_generic usbhid usbhid hid hid sd_mod sd_mod atkbd atkbd libps2 libps2 crc32c_intel crc32c_intel ehci_pci ehci_pci ehci_hcd ehci_hcd mvsas mvsas libsas libsas ahci ahci libahci libahci usbcore usbcore libata libata scsi_transport_sas scsi_transport_sas usb_common usb_common igb igb dca dca ptp ptp pps_core pps_core i2c_algo_bit i2c_algo_bit scsi_mod scsi_mod fjes fjes i8042 i8042 serio serio button button [ 3048.711859] CPU: 0 PID: 8210 Comm: kworker/u8:13 Not tainted 4.7.2-1-ARCH #1 [ 3048.713651] Hardware name: ASUS P9A-I/C2550/SAS/4L/P9A-I/C2550/SAS/4L, BIOS 0503 10/14/2015 [ 3048.715489] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [btrfs][ 3048.715489] Workqueue: events_unbound btrfs_async_reclaim_metadata_space [btrfs] [ 3048.717320] task: ffff880464758d00 ti: ffff88040db0c000 task.ti: ffff88040db0c000 [ 3048.719156] RIP: 0010:[] [ 3048.719156] RIP: 0010:[] [] can_overcommit+0x1e/0x110 [btrfs] [] can_overcommit+0x1e/0x110 [btrfs] [ 3048.721063] RSP: 0018:ffff88040db0fda0 EFLAGS: 00010286 [ 3048.722923] RAX: 0000000001000000 RBX: ffff8804661dc600 RCX: 0000000000000002 [ 3048.724796] RDX: 0000000000400000 RSI: 0000000000000000 RDI: 0000000000000000 [ 3048.726659] RBP: ffff88040db0fde0 R08: 0000000000000004 R09: ffffffff818ea5e0 [ 3048.728526] R10: ffffffff818ea5d0 R11: ffff880464758d80 R12: ffff8804661dc600 [ 3048.730393] R13: ffff88046bc05088 R14: 0000000000000000 R15: 0000000000000000 [ 3048.732399] FS: 0000000000000000(0000) GS:ffff88047fc00000(0000) knlGS:0000000000000000 [ 3048.734309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3048.736210] CR2: 00000000000001f0 CR3: 0000000001806000 CR4: 00000000001006f0 [ 3048.738126] Stack: [ 3048.740020] 0000000000000046[ 3048.740020] 0000000000000046 ffff88040db0fe08 ffff88040db0fe08 ffff8804661dc600 ffff8804661dc600 ffff8804661dc600 ffff8804661dc600 [ 3048.742007] 0000000000400000[ 3048.742007] 0000000000400000 ffff88046bc05088 ffff88046bc05088 0000000000000000 0000000000000000 0000000000000000 0000000000000000 [ 3048.743987] ffff88040db0fe18[ 3048.743987] ffff88040db0fe18 ffffffffa065b203 ffffffffa065b203 ffff88040f06ff00 ffff88040f06ff00 ffff88046f08d800 ffff88046f08d800 [ 3048.745977] Call Trace: [ 3048.747941] [] btrfs_async_reclaim_metadata_space+0x73/0x1c0 [btrfs] [ 3048.749948] [] process_one_work+0x1e5/0x480 [ 3048.751953] [] worker_thread+0x48/0x4e0 [ 3048.753958] [] ? process_one_work+0x480/0x480 [ 3048.755960] [] ? process_one_work+0x480/0x480 [ 3048.757944] [] kthread+0xd8/0xf0 [ 3048.759914] [] ret_from_fork+0x1f/0x40 [ 3048.761886] [] ? kthread_worker_fn+0x170/0x170 [ 3048.763869] Code: [ 3048.763869] Code: 3f 3f ff ff ff ff ff ff 66 66 0f 0f 1f 1f 84 84 00 00 00 00 00 00 00 00 00 00 0f 0f 1f 1f 44 44 00 00 00 00 55 55 48 48 89 89 e5 e5 41 41 57 57 41 41 56 56 41 41 55 55 41 41 54 54 49 49 89 89 f4 f4 53 53 31 31 f6 f6 49 49 89 89 fe fe 48 48 83 83 ec ec 18 18 <4c> <4c> 8b 8b af af f0 f0 01 01 00 00 00 00 48 48 89 89 55 55 d0 d0 89 89 4d 4d c4 c4 49 49 3b 3b 7d 7d 30 30 4d 4d 8d 8d bd bd [ 3048.768621] RIP [ 3048.768621] RIP [] can_overcommit+0x1e/0x110 [btrfs] [] can_overcommit+0x1e/0x110 [btrfs] [ 3048.770754] RSP [ 3048.772846] CR2: 00000000000001f0 [ 3048.774931] ---[ end trace 957bca9d05fb49e1 ]---