From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mondschein.lichtvoll.de ([194.150.191.11]:36643 "EHLO mail.lichtvoll.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751209AbbD3Rab (ORCPT ); Thu, 30 Apr 2015 13:30:31 -0400 Received: from merkaba.localnet (ppp-46-244-222-74.dynamic.mnet-online.de [46.244.222.74]) by mail.lichtvoll.de (Postfix) with ESMTPSA id CC82610F for ; Thu, 30 Apr 2015 19:30:28 +0200 (CEST) From: Martin Steigerwald To: linux-btrfs@vger.kernel.org Subject: [REGRESSION] Hang during backup with rsync Date: Thu, 30 Apr 2015 19:29:57 +0200 Message-ID: <1943792.PglQ59K4TH@merkaba> MIME-Version: 1.0 Content-Type: text/plain; charset="iso-8859-1" Sender: linux-btrfs-owner@vger.kernel.org List-ID: Hi! With Linux 4.0 I had a hang while backuping /home with my still rsync based backup script. /home is BTRFS Dual SSD RAID 1, backup is 2 TiB disk with one big BTRFS via Expresscard eSATA controller from Delock. The hang was: Mouse pointer in KDE not movable anymore, Ctrl-Alt-F1 had no effect. I waited for a minute at least. Maybe it would have reacted after a longer time, but I wanted my machine back. Disks where idle, if I remember correctly. After reboot both filesystems mount okay. Label: 'home' uuid: Total devices 2 FS bytes used 129.46GiB devid 1 size 170.00GiB used 146.03GiB path /dev/mapper/msata-home devid 2 size 170.00GiB used 146.03GiB path /dev/mapper/sata-home Label: 'steigerwald' Total devices 1 FS bytes used 1.18TiB devid 1 size 1.82TiB used 1.39TiB path /dev/sdc1 merkaba:~> btrfs fi df /home Data, RAID1: total=142.00GiB, used=126.70GiB System, RAID1: total=32.00MiB, used=48.00KiB Metadata, RAID1: total=4.00GiB, used=2.76GiB GlobalReserve, single: total=512.00MiB, used=0.00B merkaba:~> btrfs fi df /mnt/steigerwald Data, single: total=1.34TiB, used=1.17TiB System, DUP: total=8.00MiB, used=168.00KiB System, single: total=4.00MiB, used=0.00B Metadata, DUP: total=25.00GiB, used=11.17GiB Metadata, single: total=8.00MiB, used=0.00B GlobalReserve, single: total=512.00MiB, used=0.00B I got this in kern.log: Apr 30 17:14:27 merkaba kernel: [142441.099236] ata11: SATA max UDMA/100 host m128@0xf1c02000 port 0xf1c00000 irq 19 Apr 30 17:14:29 merkaba kernel: [142443.118750] ata11: SATA link down (SStatus 0 SControl 0) Apr 30 17:14:33 merkaba kernel: [142446.570437] ata11: exception Emask 0x10 SAct 0x0 SErr 0x0 action 0xe frozen Apr 30 17:14:33 merkaba kernel: [142446.570443] ata11: irq_stat 0x00b40090, PHY RDY changed Apr 30 17:14:33 merkaba kernel: [142446.570453] ata11: hard resetting link Apr 30 17:14:43 merkaba kernel: [142456.579984] ata11: softreset failed (timeout) Apr 30 17:14:43 merkaba kernel: [142456.579999] ata11: hard resetting link Apr 30 17:14:45 merkaba kernel: [142458.745258] ata11: SATA link up 3.0 Gbps (SStatus 123 SControl 0) Apr 30 17:14:45 merkaba kernel: [142458.746785] ata11.00: ATA-8: Hitachi HDS5C3020ALA632, ML6OA580, max UDMA/133 Apr 30 17:14:45 merkaba kernel: [142458.746791] ata11.00: 3907029168 sectors, multi 0: LBA48 NCQ (depth 31/32) Apr 30 17:14:45 merkaba kernel: [142458.748560] ata11.00: configured for UDMA/100 Apr 30 17:14:45 merkaba kernel: [142458.748590] ata11: EH complete Apr 30 17:14:45 merkaba kernel: [142458.748829] scsi 11:0:0:0: Direct-Access ATA Hitachi HDS5C302 A580 PQ: 0 ANSI: 5 Apr 30 17:14:45 merkaba kernel: [142458.750317] sd 11:0:0:0: [sdc] 3907029168 512-byte logical blocks: (2.00 TB/1.81 TiB) Apr 30 17:14:45 merkaba kernel: [142458.750432] sd 11:0:0:0: [sdc] Write Protect is off Apr 30 17:14:45 merkaba kernel: [142458.750447] sd 11:0:0:0: [sdc] Mode Sense: 00 3a 00 00 Apr 30 17:14:45 merkaba kernel: [142458.750506] sd 11:0:0:0: [sdc] Write cache: enabled, read cache: enabled, doesn't support DPO or FUA Apr 30 17:14:45 merkaba kernel: [142458.750596] sd 11:0:0:0: Attached scsi generic sg3 type 0 Apr 30 17:14:45 merkaba kernel: [142458.817366] sdc: sdc1 Apr 30 17:14:45 merkaba kernel: [142458.818317] sd 11:0:0:0: [sdc] Attached SCSI disk Apr 30 17:14:46 merkaba kernel: [142460.048718] BTRFS: device label steigerwald devid 1 transid 9964 /dev/sdc1 Apr 30 17:14:57 merkaba kernel: [142470.859313] BTRFS info (device sdc1): enabling auto defrag Apr 30 17:14:57 merkaba kernel: [142470.859328] BTRFS info (device sdc1): disk space caching is enabled Apr 30 17:57:46 merkaba kernel: [145039.790346] ------------[ cut here ]------------ Apr 30 17:57:46 merkaba kernel: [145039.796051] kernel BUG at fs/btrfs/extent_io.c:4551! Apr 30 17:57:46 merkaba kernel: [145039.802527] invalid opcode: 0000 [#1] PREEMPT SMP Apr 30 17:57:46 merkaba kernel: [145039.808550] Modules linked in: usblp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media uas usb_storage ctr ccm rfcomm btusb ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables tun binfmt_misc cpufreq_userspace cpufreq_stats cpufreq_powersave bnep cpufreq_conservative bluetooth msr ext4 crc16 mbcache jbd2 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper snd_hda_codec_hdmi psmouse iwldvm cryptd mac80211 snd_hda_codec_conexant serio_raw snd_hda_codec_generic pcspkr i2c_i801 snd_hda_intel snd_hda_controller iwlwifi snd_hda_codec tpm_tis snd_hwdep battery thinkpad_acpi tpm cfg80211 ac snd_pcm nvram snd_timer rfkill snd soundcore lpc_ich mfd_core shpchp processor evdev joydev sbs sbshc coretemp hdaps(O) tp_smapi(O) thinkpad_ec(O) loop firewire_sbp2 fuse ecryptfs autofs4 md_mod btrfs xor raid6_pq microcode dm_mirror dm_region_hash dm_log dm_mod sg sr_mod sd_mod cdrom hid_generic usbhid hid crc32c_intel firewire_ohci ahci sdhci_pci libahci sdhci firewire_core mmc_core sata_sil24 crc_itu_t libata scsi_mod ehci_pci ehci_hcd usbcore usb_common e1000e ptp pps_core thermal Apr 30 17:57:46 merkaba kernel: [145039.864382] CPU: 1 PID: 6061 Comm: kworker/u8:14 Tainted: G W O 4.0.0-tp520-btrfs-trim+ #25 Apr 30 17:57:46 merkaba kernel: [145039.871788] Hardware name: LENOVO 42433WG/42433WG, BIOS 8AET63WW (1.43 ) 05/08/2013 Apr 30 17:57:46 merkaba kernel: [145039.879273] Workqueue: btrfs-endio-write btrfs_endio_write_helper [btrfs] Apr 30 17:57:46 merkaba kernel: [145039.887460] task: ffff8802d6501890 ti: ffff88011be90000 task.ti: ffff88011be90000 Apr 30 17:57:46 merkaba kernel: [145039.895164] RIP: 0010:[] [] btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:57:46 merkaba kernel: [145039.902849] RSP: 0018:ffff88011be93998 EFLAGS: 00010202 Apr 30 17:57:46 merkaba kernel: [145039.910531] RAX: 0000000000000001 RBX: ffff880380dea9d8 RCX: ffff8803d34e1d18 Apr 30 17:57:46 merkaba kernel: [145039.919232] RDX: 0000000000000000 RSI: ffff8803d34e1b60 RDI: ffff880380dea9d8 Apr 30 17:57:46 merkaba kernel: [145039.927049] RBP: ffff88011be939b8 R08: 0000000000000000 R09: 0000000000000036 Apr 30 17:57:46 merkaba kernel: [145039.935254] R10: 0000000000000018 R11: ffff88011be93970 R12: 0000000000000005 Apr 30 17:57:46 merkaba kernel: [145039.942956] R13: ffff880380dea9d8 R14: ffff8802b31a2800 R15: 0000000000000227 Apr 30 17:57:46 merkaba kernel: [145039.950884] FS: 0000000000000000(0000) GS:ffff88041e280000(0000) knlGS:0000000000000000 Apr 30 17:57:46 merkaba kernel: [145039.958780] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 30 17:57:46 merkaba kernel: [145039.966673] CR2: 00007f3bec0ed000 CR3: 0000000001a0b000 CR4: 00000000000406e0 Apr 30 17:57:46 merkaba kernel: [145039.974906] Stack: Apr 30 17:57:46 merkaba kernel: [145039.982958] ffff880380dea9d8 ffff88011b1ac000 ffff88011b1acd88 ffff8802b31a2800 Apr 30 17:57:46 merkaba kernel: [145039.991204] ffff88011be939f8 ffffffffc05099bb 0000000000000003 ffff880380dea9f8 Apr 30 17:57:46 merkaba kernel: [145039.998900] ffff88011be939f8 ffff880380dea9d8 ffff880380dea9d8 ffff880380deb3b0 Apr 30 17:57:46 merkaba kernel: [145040.007140] Call Trace: Apr 30 17:57:46 merkaba kernel: [145040.015141] [] release_extent_buffer+0x8b/0xbb [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.022895] [] free_extent_buffer+0x8b/0x8f [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.030967] [] copy_for_split+0x1b5/0x1cc [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.039149] [] split_leaf+0x23c/0x576 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.047319] [] btrfs_search_slot+0x59a/0x72b [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.055483] [] btrfs_insert_empty_items+0x58/0xa3 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.063159] [] btrfs_csum_file_blocks+0x439/0x548 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.071046] [] add_pending_csums.isra.36+0x49/0x66 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.078955] [] btrfs_finish_ordered_io+0x2c5/0x419 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.086360] [] finish_ordered_fn+0x10/0x12 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.093766] [] normal_work_helper+0xd2/0x217 [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.100945] [] ? pwq_activate_delayed_work+0x2c/0x3a Apr 30 17:57:46 merkaba kernel: [145040.108499] [] btrfs_endio_write_helper+0xd/0xf [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.115728] [] process_one_work+0x15d/0x2ad Apr 30 17:57:46 merkaba kernel: [145040.122849] [] worker_thread+0x1d1/0x27e Apr 30 17:57:46 merkaba kernel: [145040.129947] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:57:46 merkaba kernel: [145040.137039] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:57:46 merkaba kernel: [145040.143867] [] kthread+0xb2/0xba Apr 30 17:57:46 merkaba kernel: [145040.150659] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:57:46 merkaba kernel: [145040.157258] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:57:46 merkaba kernel: [145040.163654] [] ret_from_fork+0x58/0x90 Apr 30 17:57:46 merkaba kernel: [145040.170036] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:57:46 merkaba kernel: [145040.176191] Code: 80 75 0b 48 8b 47 10 48 c1 e8 02 83 e0 01 5d c3 55 48 89 e5 41 56 41 55 49 89 fd 41 54 53 4c 8b 67 10 e8 c3 ff ff ff 85 c0 74 02 <0f> 0b 49 8b 75 08 49 8b 7d 00 e8 40 ae ff ff 48 85 c0 49 89 c6 Apr 30 17:57:46 merkaba kernel: [145040.188172] RIP [] btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:57:46 merkaba kernel: [145040.192620] RSP Apr 30 17:57:46 merkaba kernel: [145040.223617] ---[ end trace 37e2d6f90374a311 ]--- Apr 30 17:57:46 merkaba kernel: [145040.223752] BUG: unable to handle kernel paging request at ffffffffffffffd8 Apr 30 17:58:47 merkaba kernel: [145040.233898] IP: [] kthread_data+0xc/0x11 Apr 30 17:58:47 merkaba kernel: [145040.243119] PGD 1a0c067 PUD 1a0e067 PMD 0 Apr 30 17:58:47 merkaba kernel: [145040.251934] Oops: 0000 [#2] PREEMPT SMP Apr 30 17:58:47 merkaba kernel: [145040.259693] Modules linked in: usblp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media uas usb_storage ctr ccm rfcomm btusb ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables tun binfmt_misc cpufreq_userspace cpufreq_stats cpufreq_powersave bnep cpufreq_conservative bluetooth msr ext4 crc16 mbcache jbd2 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper snd_hda_codec_hdmi psmouse iwldvm cryptd mac80211 snd_hda_codec_conexant serio_raw snd_hda_codec_generic pcspkr i2c_i801 snd_hda_intel snd_hda_controller iwlwifi snd_hda_codec tpm_tis snd_hwdep battery thinkpad_acpi tpm cfg80211 ac snd_pcm nvram snd_timer rfkill snd soundcore lpc_ich mfd_core shpchp processor evdev joydev sbs sbshc coretemp hdaps(O) tp_smapi(O) thinkpad_ec(O) loop firewire_sbp2 fuse ecryptfs autofs4 md_mod btrfs xor raid6_pq microcode dm_mirror dm_region_hash dm_log dm_mod sg sr_mod sd_mod cdrom hid_generic usbhid hid crc32c_intel firewire_ohci ahci sdhci_pci libahci sdhci firewire_core mmc_core sata_sil24 crc_itu_t libata scsi_mod ehci_pci ehci_hcd usbcore usb_common e1000e ptp pps_core thermal Apr 30 17:58:47 merkaba kernel: [145040.335818] CPU: 1 PID: 6061 Comm: kworker/u8:14 Tainted: G D W O 4.0.0-tp520-btrfs-trim+ #25 Apr 30 17:58:47 merkaba kernel: [145040.344323] Hardware name: LENOVO 42433WG/42433WG, BIOS 8AET63WW (1.43 ) 05/08/2013 Apr 30 17:58:47 merkaba kernel: [145040.354449] task: ffff8802d6501890 ti: ffff88011be90000 task.ti: ffff88011be90000 Apr 30 17:58:47 merkaba kernel: [145040.364822] RIP: 0010:[] [] kthread_data+0xc/0x11 Apr 30 17:58:47 merkaba kernel: [145040.373127] RSP: 0018:ffff88011be93630 EFLAGS: 00010002 Apr 30 17:58:47 merkaba kernel: [145040.379901] RAX: 0000000000000000 RBX: ffff88041e292c80 RCX: 000000000000000f Apr 30 17:58:47 merkaba kernel: [145040.386431] RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffff8802d6501890 Apr 30 17:58:47 merkaba kernel: [145040.393815] RBP: ffff88011be93648 R08: ffff88041e292ce8 R09: ffffffff81bd7400 Apr 30 17:58:47 merkaba kernel: [145040.403602] R10: ffffffff81c49844 R11: 000000000000bf56 R12: 0000000000000001 Apr 30 17:58:47 merkaba kernel: [145040.412894] R13: ffff8802d6501e10 R14: 0000000000000001 R15: ffff88041e292c80 Apr 30 17:58:47 merkaba kernel: [145040.422987] FS: 0000000000000000(0000) GS:ffff88041e280000(0000) knlGS:0000000000000000 Apr 30 17:58:47 merkaba kernel: [145040.433054] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 Apr 30 17:58:47 merkaba kernel: [145040.442755] CR2: 0000000000000028 CR3: 00000000c5e41000 CR4: 00000000000406e0 Apr 30 17:58:47 merkaba kernel: [145040.453039] Stack: Apr 30 17:58:47 merkaba kernel: [145040.463202] ffffffff81054504 ffff88041e292c80 0000000000012c80 ffff88011be93698 Apr 30 17:58:47 merkaba kernel: [145040.473543] ffffffff814c2452 ffff88011be93688 ffff8802d6501890 ffff8803a45da5a0 Apr 30 17:58:47 merkaba kernel: [145040.483955] ffff88011be93fd8 ffff8802d6502030 ffff88011be93270 ffff8802d6501cf0 Apr 30 17:58:47 merkaba kernel: [145040.494213] Call Trace: Apr 30 17:58:47 merkaba kernel: [145040.504372] [] ? wq_worker_sleeping+0xf/0x88 Apr 30 17:58:47 merkaba kernel: [145040.514807] [] __schedule+0x157/0x57e Apr 30 17:58:47 merkaba kernel: [145040.525013] [] schedule+0x6f/0x7e Apr 30 17:58:47 merkaba kernel: [145040.535351] [] do_exit+0x920/0x966 Apr 30 17:58:47 merkaba kernel: [145040.545437] [] oops_end+0xa0/0xa8 Apr 30 17:58:47 merkaba kernel: [145040.555437] [] die+0x55/0x5e Apr 30 17:58:47 merkaba kernel: [145040.565562] [] do_trap+0x66/0x11f Apr 30 17:58:47 merkaba kernel: [145040.575500] [] do_error_trap+0xc9/0xe6 Apr 30 17:58:47 merkaba kernel: [145040.584971] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.593350] [] ? btrfs_add_delayed_tree_ref+0x8a/0x141 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.603484] [] ? _raw_spin_unlock+0x11/0x23 Apr 30 17:58:47 merkaba kernel: [145040.613596] [] do_invalid_op+0x1b/0x1d Apr 30 17:58:47 merkaba kernel: [145040.623956] [] invalid_op+0x18/0x20 Apr 30 17:58:47 merkaba kernel: [145040.634365] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.644968] [] ? btrfs_release_extent_buffer_page+0x17/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.655198] [] release_extent_buffer+0x8b/0xbb [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.665069] [] free_extent_buffer+0x8b/0x8f [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.674839] [] copy_for_split+0x1b5/0x1cc [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.684508] [] split_leaf+0x23c/0x576 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.694094] [] btrfs_search_slot+0x59a/0x72b [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.703562] [] btrfs_insert_empty_items+0x58/0xa3 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.712966] [] btrfs_csum_file_blocks+0x439/0x548 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.722421] [] add_pending_csums.isra.36+0x49/0x66 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.731626] [] btrfs_finish_ordered_io+0x2c5/0x419 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.740529] [] finish_ordered_fn+0x10/0x12 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.749132] [] normal_work_helper+0xd2/0x217 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.757469] [] ? pwq_activate_delayed_work+0x2c/0x3a Apr 30 17:58:47 merkaba kernel: [145040.765548] [] btrfs_endio_write_helper+0xd/0xf [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.773297] [] process_one_work+0x15d/0x2ad Apr 30 17:58:47 merkaba kernel: [145040.780701] [] worker_thread+0x1d1/0x27e Apr 30 17:58:47 merkaba kernel: [145040.787774] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145040.794697] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145040.801326] [] kthread+0xb2/0xba Apr 30 17:58:47 merkaba kernel: [145040.807770] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:58:47 merkaba kernel: [145040.814183] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145040.820544] [] ret_from_fork+0x58/0x90 Apr 30 17:58:47 merkaba kernel: [145040.826770] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145040.832971] Code: 48 8b 04 25 80 a9 00 00 48 8b 80 10 05 00 00 48 89 e5 5d 48 8b 40 c8 48 c1 e8 02 83 e0 01 c3 48 8b 87 10 05 00 00 55 48 89 e5 5d <48> 8b 40 d8 c3 55 ba 08 00 00 00 48 89 e5 48 83 ec 10 48 8b b7 Apr 30 17:58:47 merkaba kernel: [145040.847356] RIP [] kthread_data+0xc/0x11 Apr 30 17:58:47 merkaba kernel: [145040.854365] RSP Apr 30 17:58:47 merkaba kernel: [145040.861220] CR2: ffffffffffffffd8 Apr 30 17:58:47 merkaba kernel: [145040.867964] ---[ end trace 37e2d6f90374a312 ]--- Apr 30 17:58:47 merkaba kernel: [145040.867970] Fixing recursive fault but reboot is needed! Apr 30 17:58:47 merkaba kernel: [145040.867978] BUG: scheduling while atomic: kworker/u8:14/6061/0x00000004 Apr 30 17:58:47 merkaba kernel: [145040.867981] Modules linked in: usblp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media uas usb_storage ctr ccm rfcomm btusb ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables tun binfmt_misc cpufreq_userspace cpufreq_stats cpufreq_powersave bnep cpufreq_conservative bluetooth msr ext4 crc16 mbcache jbd2 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper snd_hda_codec_hdmi psmouse iwldvm cryptd mac80211 snd_hda_codec_conexant serio_raw snd_hda_codec_generic pcspkr i2c_i801 snd_hda_intel snd_hda_controller iwlwifi snd_hda_codec tpm_tis snd_hwdep battery thinkpad_acpi tpm cfg80211 ac snd_pcm nvram snd_timer rfkill snd soundcore lpc_ich mfd_core shpchp processor evdev joydev sbs sbshc coretemp hdaps(O) tp_smapi(O) thinkpad_ec(O) loop firewire_sbp2 fuse ecryptfs autofs4 md_mod btrfs xor raid6_pq microcode dm_mirror dm_region_hash dm_log dm_mod sg sr_mod sd_mod cdrom hid_generic usbhid hid crc32c_intel firewire_ohci ahci sdhci_pci libahci sdhci firewire_core mmc_core sata_sil24 crc_itu_t libata scsi_mod ehci_pci ehci_hcd usbcore usb_common e1000e ptp pps_core thermal Apr 30 17:58:47 merkaba kernel: [145040.868230] Preemption disabled at:[] oops_end+0xa0/0xa8 Apr 30 17:58:47 merkaba kernel: [145040.868238] Apr 30 17:58:47 merkaba kernel: [145040.868247] CPU: 1 PID: 6061 Comm: kworker/u8:14 Tainted: G D W O 4.0.0-tp520-btrfs-trim+ #25 Apr 30 17:58:47 merkaba kernel: [145040.868252] Hardware name: LENOVO 42433WG/42433WG, BIOS 8AET63WW (1.43 ) 05/08/2013 Apr 30 17:58:47 merkaba kernel: [145040.868279] 0000000000012c80 ffff88011be932e8 ffffffff814c0a2a 0000000080000004 Apr 30 17:58:47 merkaba kernel: [145040.868289] ffff88041e292c80 ffff88011be932f8 ffffffff8105cdd5 ffff88011be93348 Apr 30 17:58:47 merkaba kernel: [145040.868297] ffffffff814c236c ffff88011be93368 ffff8802d6501890 0000000000000000 Apr 30 17:58:47 merkaba kernel: [145040.868306] Call Trace: Apr 30 17:58:47 merkaba kernel: [145040.868317] [] dump_stack+0x4f/0x7b Apr 30 17:58:47 merkaba kernel: [145040.868326] [] __schedule_bug+0x96/0xa4 Apr 30 17:58:47 merkaba kernel: [145040.868335] [] __schedule+0x71/0x57e Apr 30 17:58:47 merkaba kernel: [145040.868344] [] schedule+0x6f/0x7e Apr 30 17:58:47 merkaba kernel: [145040.868354] [] do_exit+0x107/0x966 Apr 30 17:58:47 merkaba kernel: [145040.868363] [] ? printk+0x41/0x43 Apr 30 17:58:47 merkaba kernel: [145040.868374] [] ? kmsg_dump+0xa7/0xae Apr 30 17:58:47 merkaba kernel: [145040.868382] [] oops_end+0xa0/0xa8 Apr 30 17:58:47 merkaba kernel: [145040.868390] [] no_context+0x2d0/0x32d Apr 30 17:58:47 merkaba kernel: [145040.868401] [] ? __call_rcu_nocb_enqueue+0x48/0xfc Apr 30 17:58:47 merkaba kernel: [145040.868410] [] __bad_area_nosemaphore+0x64/0x1b4 Apr 30 17:58:47 merkaba kernel: [145040.868417] [] bad_area_nosemaphore+0xe/0x10 Apr 30 17:58:47 merkaba kernel: [145040.868425] [] __do_page_fault+0x22f/0x3ed Apr 30 17:58:47 merkaba kernel: [145040.868433] [] ? native_iret+0x7/0x7 Apr 30 17:58:47 merkaba kernel: [145040.868441] [] do_page_fault+0x23/0x4f Apr 30 17:58:47 merkaba kernel: [145040.868449] [] page_fault+0x22/0x30 Apr 30 17:58:47 merkaba kernel: [145040.868458] [] ? kthread_data+0xc/0x11 Apr 30 17:58:47 merkaba kernel: [145040.868467] [] ? wq_worker_sleeping+0xf/0x88 Apr 30 17:58:47 merkaba kernel: [145040.868476] [] __schedule+0x157/0x57e Apr 30 17:58:47 merkaba kernel: [145040.868484] [] schedule+0x6f/0x7e Apr 30 17:58:47 merkaba kernel: [145040.868492] [] do_exit+0x920/0x966 Apr 30 17:58:47 merkaba kernel: [145040.868500] [] oops_end+0xa0/0xa8 Apr 30 17:58:47 merkaba kernel: [145040.868507] [] die+0x55/0x5e Apr 30 17:58:47 merkaba kernel: [145040.868514] [] do_trap+0x66/0x11f Apr 30 17:58:47 merkaba kernel: [145040.868521] [] do_error_trap+0xc9/0xe6 Apr 30 17:58:47 merkaba kernel: [145040.868589] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868656] [] ? btrfs_add_delayed_tree_ref+0x8a/0x141 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868664] [] ? _raw_spin_unlock+0x11/0x23 Apr 30 17:58:47 merkaba kernel: [145040.868671] [] do_invalid_op+0x1b/0x1d Apr 30 17:58:47 merkaba kernel: [145040.868678] [] invalid_op+0x18/0x20 Apr 30 17:58:47 merkaba kernel: [145040.868741] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868797] [] ? btrfs_release_extent_buffer_page+0x17/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868852] [] release_extent_buffer+0x8b/0xbb [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868906] [] free_extent_buffer+0x8b/0x8f [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868948] [] copy_for_split+0x1b5/0x1cc [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.868992] [] split_leaf+0x23c/0x576 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869036] [] btrfs_search_slot+0x59a/0x72b [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869081] [] btrfs_insert_empty_items+0x58/0xa3 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869132] [] btrfs_csum_file_blocks+0x439/0x548 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869207] [] add_pending_csums.isra.36+0x49/0x66 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869262] [] btrfs_finish_ordered_io+0x2c5/0x419 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869314] [] finish_ordered_fn+0x10/0x12 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869375] [] normal_work_helper+0xd2/0x217 [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869384] [] ? pwq_activate_delayed_work+0x2c/0x3a Apr 30 17:58:47 merkaba kernel: [145040.869443] [] btrfs_endio_write_helper+0xd/0xf [btrfs] Apr 30 17:58:47 merkaba kernel: [145040.869452] [] process_one_work+0x15d/0x2ad Apr 30 17:58:47 merkaba kernel: [145040.869461] [] worker_thread+0x1d1/0x27e Apr 30 17:58:47 merkaba kernel: [145040.869470] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145040.869478] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145040.869485] [] kthread+0xb2/0xba Apr 30 17:58:47 merkaba kernel: [145040.869493] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:58:47 merkaba kernel: [145040.869501] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145040.869508] [] ret_from_fork+0x58/0x90 Apr 30 17:58:47 merkaba kernel: [145040.869515] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145101.334039] INFO: rcu_preempt detected stalls on CPUs/tasks: { 1} (detected by 2, t=60434 jiffies, g=5499107, c=5499106, q=0) Apr 30 17:58:47 merkaba kernel: [145101.334064] Task dump for CPU 1: Apr 30 17:58:47 merkaba kernel: [145101.334071] kworker/u8:14 D ffff88011be93688 0 6061 0 0x00080000 Apr 30 17:58:47 merkaba kernel: [145101.334107] ffff8802d6501890 ffff8803a45da5a0 ffff88011be93fd8 ffff8802d6502030 Apr 30 17:58:47 merkaba kernel: [145101.334120] ffff88011be93270 ffff8802d6501cf0 ffff88011be938e8 ffff88011be936b8 Apr 30 17:58:47 merkaba kernel: [145101.334131] ffffffff814c28e8 ffff8802d6502525 ffff8802d6501890 ffff88011be93748 Apr 30 17:58:47 merkaba kernel: [145101.334144] Call Trace: Apr 30 17:58:47 merkaba kernel: [145101.334164] [] ? schedule+0x6f/0x7e Apr 30 17:58:47 merkaba kernel: [145101.334178] [] ? do_exit+0x920/0x966 Apr 30 17:58:47 merkaba kernel: [145101.334191] [] ? oops_end+0xa0/0xa8 Apr 30 17:58:47 merkaba kernel: [145101.334200] [] ? die+0x55/0x5e Apr 30 17:58:47 merkaba kernel: [145101.334209] [] ? do_trap+0x66/0x11f Apr 30 17:58:47 merkaba kernel: [145101.334219] [] ? do_error_trap+0xc9/0xe6 Apr 30 17:58:47 merkaba kernel: [145101.334324] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334399] [] ? btrfs_add_delayed_tree_ref+0x8a/0x141 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334409] [] ? _raw_spin_unlock+0x11/0x23 Apr 30 17:58:47 merkaba kernel: [145101.334419] [] ? do_invalid_op+0x1b/0x1d Apr 30 17:58:47 merkaba kernel: [145101.334430] [] ? invalid_op+0x18/0x20 Apr 30 17:58:47 merkaba kernel: [145101.334495] [] ? btrfs_release_extent_buffer_page+0x1b/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334555] [] ? btrfs_release_extent_buffer_page+0x17/0xde [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334615] [] ? release_extent_buffer+0x8b/0xbb [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334674] [] ? free_extent_buffer+0x8b/0x8f [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334717] [] ? copy_for_split+0x1b5/0x1cc [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334762] [] ? split_leaf+0x23c/0x576 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334807] [] ? btrfs_search_slot+0x59a/0x72b [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334853] [] ? btrfs_insert_empty_items+0x58/0xa3 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334907] [] ? btrfs_csum_file_blocks+0x439/0x548 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.334967] [] ? add_pending_csums.isra.36+0x49/0x66 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.335025] [] ? btrfs_finish_ordered_io+0x2c5/0x419 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.335081] [] ? finish_ordered_fn+0x10/0x12 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.335146] [] ? normal_work_helper+0xd2/0x217 [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.335159] [] ? pwq_activate_delayed_work+0x2c/0x3a Apr 30 17:58:47 merkaba kernel: [145101.335222] [] ? btrfs_endio_write_helper+0xd/0xf [btrfs] Apr 30 17:58:47 merkaba kernel: [145101.335234] [] ? process_one_work+0x15d/0x2ad Apr 30 17:58:47 merkaba kernel: [145101.335245] [] ? worker_thread+0x1d1/0x27e Apr 30 17:58:47 merkaba kernel: [145101.335256] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145101.335267] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:58:47 merkaba kernel: [145101.335277] [] ? kthread+0xb2/0xba Apr 30 17:58:47 merkaba kernel: [145101.335287] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:58:47 merkaba kernel: [145101.335297] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145101.335308] [] ? ret_from_fork+0x58/0x90 Apr 30 17:58:47 merkaba kernel: [145101.335318] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:58:47 merkaba kernel: [145101.335327] rcu_preempt kthread starved for 57217 jiffies! Apr 30 19:17:13 merkaba kernel: [ 0.000000] Initializing cgroup subsys cpuset Apr 30 19:17:13 merkaba kernel: [ 0.000000] Initializing cgroup subsys cpu Apr 30 19:17:13 merkaba kernel: [ 0.000000] Initializing cgroup subsys cpuacct Apr 30 19:17:13 merkaba kernel: [ 0.000000] Linux version 4.0.0-tp520-btrfs-trim+ (martin@merkaba) (gcc version 4.9.2 (Debian 4.9.2-10) ) #25 SMP PREEMPT Mon Apr 13 09:38:29 CEST 2015 I unplugged and replugged the controller + cable several times before, as I was not sure whether it was seated properly, and during this I got: Apr 30 17:14:08 merkaba kernel: [142421.959435] pci 0000:05:00.0: [1095:3531] type 00 class 0x018000 Apr 30 17:14:08 merkaba kernel: [142421.959490] pci 0000:05:00.0: reg 0x10: [mem 0x00000000-0x0000007f 64bit] Apr 30 17:14:08 merkaba kernel: [142421.959522] pci 0000:05:00.0: reg 0x18: [mem 0x00000000-0x00001fff 64bit] Apr 30 17:14:08 merkaba kernel: [142421.959542] pci 0000:05:00.0: reg 0x20: [io 0x0000-0x007f] Apr 30 17:14:08 merkaba kernel: [142421.959709] pci 0000:05:00.0: supports D1 D2 Apr 30 17:14:08 merkaba kernel: [142421.961793] pci 0000:05:00.0: BAR 2: assigned [mem 0xf1c00000-0xf1c01fff 64bit] Apr 30 17:14:08 merkaba kernel: [142421.961827] pci 0000:05:00.0: BAR 0: assigned [mem 0xf1c02000-0xf1c0207f 64bit] Apr 30 17:14:08 merkaba kernel: [142421.961856] pci 0000:05:00.0: BAR 4: assigned [io 0x4000-0x407f] Apr 30 17:14:08 merkaba kernel: [142421.962005] sata_sil24 0000:05:00.0: enabling device (0000 -> 0003) Apr 30 17:14:08 merkaba kernel: [142421.963120] scsi host8: sata_sil24 Apr 30 17:14:08 merkaba kernel: [142421.963435] ata8: SATA max UDMA/100 host m128@0xf1c02000 port 0xf1c00000 irq 19 Apr 30 17:14:11 merkaba kernel: [142424.602681] ata8: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF) Apr 30 17:14:11 merkaba kernel: [142424.602722] ------------[ cut here ]------------ Apr 30 17:14:11 merkaba kernel: [142424.602774] WARNING: CPU: 3 PID: 5714 at drivers/ata/libata-core.c:6259 ata_host_detach+0x7e/0x13a [libata]() Apr 30 17:14:11 merkaba kernel: [142424.602778] Modules linked in: usblp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media uas usb_storage ctr ccm rfcomm btusb ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables tun binfmt_misc cpufreq_userspace cpufreq_stats cpufreq_powersave bnep cpufreq_conservative bluetooth msr ext4 crc16 mbcache jbd2 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper snd_hda_codec_hdmi psmouse iwldvm cryptd mac80211 snd_hda_codec_conexant serio_raw snd_hda_codec_generic pcspkr i2c_i801 snd_hda_intel snd_hda_controller iwlwifi snd_hda_codec tpm_tis snd_hwdep battery thinkpad_acpi tpm cfg80211 ac snd_pcm nvram snd_timer rfkill snd soundcore lpc_ich mfd_core shpchp processor evdev joydev sbs sbshc coretemp hdaps(O) tp_smapi(O) thinkpad_ec(O) loop firewire_sbp2 fuse ecryptfs autofs4 md_mod btrfs xor raid6_pq microcode dm_mirror dm_region_hash dm_log dm_mod sg sr_mod sd_mod cdrom hid_generic usbhid hid crc32c_intel firewire_ohci ahci sdhci_pci libahci sdhci firewire_core mmc_core sata_sil24 crc_itu_t libata scsi_mod ehci_pci ehci_hcd usbcore usb_common e1000e ptp pps_core thermal Apr 30 17:14:11 merkaba kernel: [142424.602928] CPU: 3 PID: 5714 Comm: kworker/u8:4 Tainted: G O 4.0.0-tp520-btrfs-trim+ #25 Apr 30 17:14:11 merkaba kernel: [142424.602932] Hardware name: LENOVO 42433WG/42433WG, BIOS 8AET63WW (1.43 ) 05/08/2013 Apr 30 17:14:11 merkaba kernel: [142424.602942] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Apr 30 17:14:11 merkaba kernel: [142424.602946] 0000000000000009 ffff8803b3763bb8 ffffffff814c0a2a 0000000080000000 Apr 30 17:14:11 merkaba kernel: [142424.602952] 0000000000000000 ffff8803b3763bf8 ffffffff81040ce5 ffff8803a1a1c9b0 Apr 30 17:14:11 merkaba kernel: [142424.602958] ffffffffc03a416c ffff8803bc17c000 0000000000000282 0000000000000000 Apr 30 17:14:11 merkaba kernel: [142424.602964] Call Trace: Apr 30 17:14:11 merkaba kernel: [142424.602974] [] dump_stack+0x4f/0x7b Apr 30 17:14:11 merkaba kernel: [142424.602983] [] warn_slowpath_common+0x9c/0xb6 Apr 30 17:14:11 merkaba kernel: [142424.603002] [] ? ata_host_detach+0x7e/0x13a [libata] Apr 30 17:14:11 merkaba kernel: [142424.603008] [] warn_slowpath_null+0x15/0x17 Apr 30 17:14:11 merkaba kernel: [142424.603026] [] ata_host_detach+0x7e/0x13a [libata] Apr 30 17:14:11 merkaba kernel: [142424.603033] [] ? __pm_runtime_resume+0x52/0x60 Apr 30 17:14:11 merkaba kernel: [142424.603055] [] ata_pci_remove_one+0x10/0x12 [libata] Apr 30 17:14:11 merkaba kernel: [142424.603062] [] pci_device_remove+0x41/0x8c Apr 30 17:14:11 merkaba kernel: [142424.603072] [] __device_release_driver+0x84/0xdb Apr 30 17:14:11 merkaba kernel: [142424.603076] [] device_release_driver+0x1e/0x2b Apr 30 17:14:11 merkaba kernel: [142424.603084] [] pci_stop_bus_device+0x45/0x88 Apr 30 17:14:11 merkaba kernel: [142424.603089] [] pci_stop_and_remove_bus_device+0xe/0x1a Apr 30 17:14:11 merkaba kernel: [142424.603096] [] disable_slot+0x3a/0x7b Apr 30 17:14:11 merkaba kernel: [142424.603102] [] acpiphp_check_bridge+0xa4/0xaf Apr 30 17:14:11 merkaba kernel: [142424.603108] [] acpiphp_hotplug_notify+0xa0/0xc7 Apr 30 17:14:11 merkaba kernel: [142424.603114] [] ? acpiphp_post_dock_fixup+0xa4/0xa4 Apr 30 17:14:11 merkaba kernel: [142424.603121] [] acpi_device_hotplug+0x3ab/0x3f3 Apr 30 17:14:11 merkaba kernel: [142424.603127] [] acpi_hotplug_work_fn+0x1a/0x26 Apr 30 17:14:11 merkaba kernel: [142424.603133] [] process_one_work+0x15d/0x2ad Apr 30 17:14:11 merkaba kernel: [142424.603140] [] worker_thread+0x1d1/0x27e Apr 30 17:14:11 merkaba kernel: [142424.603145] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:14:11 merkaba kernel: [142424.603151] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:14:11 merkaba kernel: [142424.603156] [] kthread+0xb2/0xba Apr 30 17:14:11 merkaba kernel: [142424.603161] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:14:11 merkaba kernel: [142424.603167] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:14:11 merkaba kernel: [142424.603172] [] ret_from_fork+0x58/0x90 Apr 30 17:14:11 merkaba kernel: [142424.603177] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:14:11 merkaba kernel: [142424.603181] ---[ end trace 37e2d6f90374a30f ]--- Apr 30 17:14:11 merkaba kernel: [142425.227122] pci 0000:05:00.0: [1095:3531] type 00 class 0x018000 Apr 30 17:14:11 merkaba kernel: [142425.227188] pci 0000:05:00.0: reg 0x10: [mem 0x00000000-0x0000007f 64bit] Apr 30 17:14:11 merkaba kernel: [142425.227225] pci 0000:05:00.0: reg 0x18: [mem 0x00000000-0x00001fff 64bit] Apr 30 17:14:11 merkaba kernel: [142425.227250] pci 0000:05:00.0: reg 0x20: [io 0x0000-0x007f] Apr 30 17:14:11 merkaba kernel: [142425.227440] pci 0000:05:00.0: supports D1 D2 Apr 30 17:14:11 merkaba kernel: [142425.229796] pci 0000:05:00.0: BAR 2: assigned [mem 0xf1c00000-0xf1c01fff 64bit] Apr 30 17:14:11 merkaba kernel: [142425.229846] pci 0000:05:00.0: BAR 0: assigned [mem 0xf1c02000-0xf1c0207f 64bit] Apr 30 17:14:11 merkaba kernel: [142425.229886] pci 0000:05:00.0: BAR 4: assigned [io 0x4000-0x407f] Apr 30 17:14:11 merkaba kernel: [142425.230124] sata_sil24 0000:05:00.0: enabling device (0000 -> 0003) Apr 30 17:14:11 merkaba kernel: [142425.233547] scsi host9: sata_sil24 Apr 30 17:14:11 merkaba kernel: [142425.234206] ata9: SATA max UDMA/100 host m128@0xf1c02000 port 0xf1c00000 irq 19 Apr 30 17:14:13 merkaba kernel: [142427.254202] ata9: SATA link down (SStatus 0 SControl 0) Apr 30 17:14:25 merkaba kernel: [142438.509382] pci 0000:05:00.0: [1095:3531] type 00 class 0x018000 Apr 30 17:14:25 merkaba kernel: [142438.509440] pci 0000:05:00.0: reg 0x10: [mem 0x00000000-0x0000007f 64bit] Apr 30 17:14:25 merkaba kernel: [142438.509473] pci 0000:05:00.0: reg 0x18: [mem 0x00000000-0x00001fff 64bit] Apr 30 17:14:25 merkaba kernel: [142438.509494] pci 0000:05:00.0: reg 0x20: [io 0x0000-0x007f] Apr 30 17:14:25 merkaba kernel: [142438.509666] pci 0000:05:00.0: supports D1 D2 Apr 30 17:14:25 merkaba kernel: [142438.511949] pci 0000:05:00.0: BAR 2: assigned [mem 0xf1c00000-0xf1c01fff 64bit] Apr 30 17:14:25 merkaba kernel: [142438.511990] pci 0000:05:00.0: BAR 0: assigned [mem 0xf1c02000-0xf1c0207f 64bit] Apr 30 17:14:25 merkaba kernel: [142438.512021] pci 0000:05:00.0: BAR 4: assigned [io 0x4000-0x407f] Apr 30 17:14:25 merkaba kernel: [142438.512213] sata_sil24 0000:05:00.0: enabling device (0000 -> 0003) Apr 30 17:14:25 merkaba kernel: [142438.514955] scsi host10: sata_sil24 Apr 30 17:14:25 merkaba kernel: [142438.515693] ata10: SATA max UDMA/100 host m128@0xf1c02000 port 0xf1c00000 irq 19 Apr 30 17:14:27 merkaba kernel: [142441.083405] ata10: SATA link down (SStatus FFFFFFFF SControl FFFFFFFF) Apr 30 17:14:27 merkaba kernel: [142441.083557] ------------[ cut here ]------------ Apr 30 17:14:27 merkaba kernel: [142441.083617] WARNING: CPU: 2 PID: 5768 at drivers/ata/libata-core.c:6259 ata_host_detach+0x7e/0x13a [libata]() Apr 30 17:14:27 merkaba kernel: [142441.083621] Modules linked in: usblp uvcvideo videobuf2_vmalloc videobuf2_memops videobuf2_core v4l2_common videodev media uas usb_storage ctr ccm rfcomm btusb ebtable_filter ebtables ip6table_filter ip6_tables iptable_filter ip_tables x_tables tun binfmt_misc cpufreq_userspace cpufreq_stats cpufreq_powersave bnep cpufreq_conservative bluetooth msr ext4 crc16 mbcache jbd2 snd_usb_audio snd_usbmidi_lib snd_rawmidi snd_seq_device x86_pkg_temp_thermal intel_powerclamp kvm_intel kvm crct10dif_pclmul crc32_pclmul ghash_clmulni_intel aesni_intel aes_x86_64 lrw gf128mul glue_helper ablk_helper snd_hda_codec_hdmi psmouse iwldvm cryptd mac80211 snd_hda_codec_conexant serio_raw snd_hda_codec_generic pcspkr i2c_i801 snd_hda_intel snd_hda_controller iwlwifi snd_hda_codec tpm_tis snd_hwdep battery thinkpad_acpi tpm cfg80211 ac snd_pcm nvram snd_timer rfkill snd soundcore lpc_ich mfd_core shpchp processor evdev joydev sbs sbshc coretemp hdaps(O) tp_smapi(O) thinkpad_ec(O) loop firewire_sbp2 fuse ecryptfs autofs4 md_mod btrfs xor raid6_pq microcode dm_mirror dm_region_hash dm_log dm_mod sg sr_mod sd_mod cdrom hid_generic usbhid hid crc32c_intel firewire_ohci ahci sdhci_pci libahci sdhci firewire_core mmc_core sata_sil24 crc_itu_t libata scsi_mod ehci_pci ehci_hcd usbcore usb_common e1000e ptp pps_core thermal Apr 30 17:14:27 merkaba kernel: [142441.083829] CPU: 2 PID: 5768 Comm: kworker/u8:6 Tainted: G W O 4.0.0-tp520-btrfs-trim+ #25 Apr 30 17:14:27 merkaba kernel: [142441.083833] Hardware name: LENOVO 42433WG/42433WG, BIOS 8AET63WW (1.43 ) 05/08/2013 Apr 30 17:14:27 merkaba kernel: [142441.083845] Workqueue: kacpi_hotplug acpi_hotplug_work_fn Apr 30 17:14:27 merkaba kernel: [142441.083850] 0000000000000009 ffff8803b0383bb8 ffffffff814c0a2a 0000000080000000 Apr 30 17:14:27 merkaba kernel: [142441.083857] 0000000000000000 ffff8803b0383bf8 ffffffff81040ce5 ffff8803980c8000 Apr 30 17:14:27 merkaba kernel: [142441.083864] ffffffffc03a416c ffff88020f344000 0000000000000282 0000000000000000 Apr 30 17:14:27 merkaba kernel: [142441.083872] Call Trace: Apr 30 17:14:27 merkaba kernel: [142441.083884] [] dump_stack+0x4f/0x7b Apr 30 17:14:27 merkaba kernel: [142441.083894] [] warn_slowpath_common+0x9c/0xb6 Apr 30 17:14:27 merkaba kernel: [142441.083917] [] ? ata_host_detach+0x7e/0x13a [libata] Apr 30 17:14:27 merkaba kernel: [142441.083924] [] warn_slowpath_null+0x15/0x17 Apr 30 17:14:27 merkaba kernel: [142441.083958] [] ata_host_detach+0x7e/0x13a [libata] Apr 30 17:14:27 merkaba kernel: [142441.083967] [] ? __pm_runtime_resume+0x52/0x60 Apr 30 17:14:27 merkaba kernel: [142441.083997] [] ata_pci_remove_one+0x10/0x12 [libata] Apr 30 17:14:27 merkaba kernel: [142441.084006] [] pci_device_remove+0x41/0x8c Apr 30 17:14:27 merkaba kernel: [142441.084028] [] __device_release_driver+0x84/0xdb Apr 30 17:14:27 merkaba kernel: [142441.084033] [] device_release_driver+0x1e/0x2b Apr 30 17:14:27 merkaba kernel: [142441.084041] [] pci_stop_bus_device+0x45/0x88 Apr 30 17:14:27 merkaba kernel: [142441.084047] [] pci_stop_and_remove_bus_device+0xe/0x1a Apr 30 17:14:27 merkaba kernel: [142441.084054] [] disable_slot+0x3a/0x7b Apr 30 17:14:27 merkaba kernel: [142441.084061] [] acpiphp_check_bridge+0xa4/0xaf Apr 30 17:14:27 merkaba kernel: [142441.084069] [] acpiphp_hotplug_notify+0xa0/0xc7 Apr 30 17:14:27 merkaba kernel: [142441.084076] [] ? acpiphp_post_dock_fixup+0xa4/0xa4 Apr 30 17:14:27 merkaba kernel: [142441.084084] [] acpi_device_hotplug+0x3ab/0x3f3 Apr 30 17:14:27 merkaba kernel: [142441.084091] [] acpi_hotplug_work_fn+0x1a/0x26 Apr 30 17:14:27 merkaba kernel: [142441.084099] [] process_one_work+0x15d/0x2ad Apr 30 17:14:27 merkaba kernel: [142441.084107] [] worker_thread+0x1d1/0x27e Apr 30 17:14:27 merkaba kernel: [142441.084114] [] ? rescuer_thread+0x27f/0x27f Apr 30 17:14:27 merkaba kernel: [142441.084120] [] kthread+0xb2/0xba Apr 30 17:14:27 merkaba kernel: [142441.084137] [] ? do_prlimit+0x35/0x1b6 Apr 30 17:14:27 merkaba kernel: [142441.084144] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:14:27 merkaba kernel: [142441.084151] [] ret_from_fork+0x58/0x90 Apr 30 17:14:27 merkaba kernel: [142441.084158] [] ? __kthread_parkme+0x62/0x62 Apr 30 17:14:27 merkaba kernel: [142441.084163] ---[ end trace 37e2d6f90374a310 ]--- Apr 30 17:14:27 merkaba kernel: [142441.094843] pci 0000:05:00.0: [1095:3531] type 00 class 0x018000 Apr 30 17:14:27 merkaba kernel: [142441.094924] pci 0000:05:00.0: reg 0x10: [mem 0x00000000-0x0000007f 64bit] Apr 30 17:14:27 merkaba kernel: [142441.094971] pci 0000:05:00.0: reg 0x18: [mem 0x00000000-0x00001fff 64bit] Apr 30 17:14:27 merkaba kernel: [142441.095001] pci 0000:05:00.0: reg 0x20: [io 0x0000-0x007f] Apr 30 17:14:27 merkaba kernel: [142441.095231] pci 0000:05:00.0: supports D1 D2 Apr 30 17:14:27 merkaba kernel: [142441.097378] pci 0000:05:00.0: BAR 2: assigned [mem 0xf1c00000-0xf1c01fff 64bit] Apr 30 17:14:27 merkaba kernel: [142441.097412] pci 0000:05:00.0: BAR 0: assigned [mem 0xf1c02000-0xf1c0207f 64bit] Apr 30 17:14:27 merkaba kernel: [142441.097452] pci 0000:05:00.0: BAR 4: assigned [io 0x4000-0x407f] Apr 30 17:14:27 merkaba kernel: [142441.097595] sata_sil24 0000:05:00.0: enabling device (0000 -> 0003) I didnt see anything BTRFS related in there and am not sure whether it is to the BTRFS hang. I think I will try this tomorrow, cause, hey, I want to update my backup! For safety I will run a scrub now. Ciao, -- Martin 'Helios' Steigerwald - http://www.Lichtvoll.de GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7{.n++%ݶw{.n+{k~^nrzh&zzޗ++zfh~iz_j:+v)ߣm