On 23 August 2013 02:28, Nick Payne <nick.payne@xxxxxxxxxxxxxxxx> wrote: > I have /home on a bcache partition - cache device is a 120GB Intel 330 SSD > on /dev/sdb, backing store device a WD Green 2TB on /dev/sdd. Kernel is > 3.10.9 installed from the Ubuntu mainline PPA. Was working fine up to > shutdown last night. On bootup this morning, /home would not mount. Running > fdisk shows sdb and sdd are recognised. Extracts from syslog this morning > below. Any suggestions on how to recover the partition? > > Aug 23 06:38:15 nick-desktop kernel: [ 4.741912] bcache: > bch_journal_replay() journal replay done, 126 keys in 20 entries, seq 141014 > Aug 23 06:38:15 nick-desktop kernel: [ 4.742069] bcache: register_cache() > registered cache device sdb > Aug 23 06:38:15 nick-desktop kernel: [ 4.742542] bcache: register_bdev() > registered backing device sdd > Aug 23 06:38:15 nick-desktop kernel: [ 4.892531] bcache: > bch_cached_dev_attach() Caching sdd as bcache0 on set > 07df2e18-1b29-4226-a937-4b3cda8a6bb3 > ... > Aug 23 06:38:15 nick-desktop kernel: [ 23.049339] bcache: > register_bcache() error opening /dev/sdd: device busy > Aug 23 06:38:15 nick-desktop kernel: [ 23.049834] bcache: > register_bcache() error opening /dev/sdb: device busy > Aug 23 06:38:15 nick-desktop kernel: [ 23.050117] input: HDA Intel PCH > Front Headphone as /devices/pci0000:00/0000:00:1b.0/sound/card0/input7 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050184] input: HDA Intel PCH > Line Out Side as /devices/pci0000:00/0000:00:1b.0/sound/card0/input8 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050237] input: HDA Intel PCH > Line Out CLFE as /devices/pci0000:00/0000:00:1b.0/sound/card0/input9 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050294] input: HDA Intel PCH > Line Out Surround as /devices/pci0000:00/0000:00:1b.0/sound/card0/input10 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050347] input: HDA Intel PCH > Line Out Front as /devices/pci0000:00/0000:00:1b.0/sound/card0/input11 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050393] input: HDA Intel PCH > Line as /devices/pci0000:00/0000:00:1b.0/sound/card0/input12 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050441] input: HDA Intel PCH > Rear Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input13 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050492] input: HDA Intel PCH > Front Mic as /devices/pci0000:00/0000:00:1b.0/sound/card0/input14 > Aug 23 06:38:15 nick-desktop kernel: [ 23.050767] hda_intel: Disabling MSI > Aug 23 06:38:15 nick-desktop kernel: [ 23.050776] hda-intel 0000:01:00.1: > Handle VGA-switcheroo audio client > Aug 23 06:38:15 nick-desktop kernel: [ 23.050812] hda-intel 0000:01:00.1: > Disabling 64bit DMA > Aug 23 06:38:15 nick-desktop kernel: [ 23.054591] hda-intel 0000:01:00.1: > Enable delay in RIRB handling > Aug 23 06:38:15 nick-desktop kernel: [ 23.058089] device-mapper: > multipath: version 1.5.1 loaded > Aug 23 06:38:15 nick-desktop kernel: [ 23.108359] microcode: CPU1 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.106489] asus_wmi: ASUS WMI > generic driver loaded > Aug 23 06:38:15 nick-desktop kernel: [ 23.108989] asus_wmi: > Initialization: 0x0asus_wmi: BIOS WMI version: 0.9asus_wmi: SFUN value: > 0x0<6>[ 23.109392] input: Eee PC WMI hotkeys as > /devices/platform/eeepc-wmi/input/input15 > Aug 23 06:38:15 nick-desktop kernel: [ 23.109693] microcode: CPU2 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.110802] microcode: CPU3 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.110827] asus_wmi: Disabling ACPI > video driver > Aug 23 06:38:15 nick-desktop kernel: [ 23.112529] microcode: CPU4 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.114268] microcode: CPU5 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.115423] microcode: CPU6 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.116318] microcode: CPU7 > sig=0x206d7, pf=0x4, revision=0x70c > Aug 23 06:38:15 nick-desktop kernel: [ 23.117328] microcode: Microcode > Update Driver: v2.00 <tigran@xxxxxxxxxxxxxxxxxxxx>, Peter Oruba > Aug 23 06:38:15 nick-desktop kernel: [ 23.157780] EXT4-fs (sdc2): mounted > filesystem with ordered data mode. Opts: (null) > Aug 23 06:38:15 nick-desktop kernel: [ 23.521662] input: HDA NVidia > HDMI/DP,pcm=9 as > /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input16 > Aug 23 06:38:15 nick-desktop kernel: [ 23.521735] input: HDA NVidia > HDMI/DP,pcm=8 as > /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input17 > Aug 23 06:38:15 nick-desktop kernel: [ 23.521793] input: HDA NVidia > HDMI/DP,pcm=7 as > /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input18 > Aug 23 06:38:15 nick-desktop kernel: [ 23.521865] input: HDA NVidia > HDMI/DP,pcm=3 as > /devices/pci0000:00/0000:00:02.0/0000:01:00.1/sound/card1/input19 > Aug 23 06:38:15 nick-desktop kernel: [ 23.535242] EXT4-fs (bcache0): > mounted filesystem with ordered data mode. Opts: (null) > ... > Aug 23 06:38:35 nick-desktop kernel: [ 42.281256] EXT4-fs error (device > bcache0): __ext4_new_inode:912: comm xdg-user-dirs-g: failed to insert inode > 73538126: doubly allocated? > Aug 23 06:38:35 nick-desktop dbus[1627]: [system] Activating service > name='org.freedesktop.UDisks2' (using servicehelper) > Aug 23 06:38:35 nick-desktop udisksd[3246]: udisks daemon version 2.1.0 > starting > Aug 23 06:38:35 nick-desktop dbus[1627]: [system] Successfully activated > service 'org.freedesktop.UDisks2' > Aug 23 06:38:35 nick-desktop udisksd[3246]: Acquired the name > org.freedesktop.UDisks2 on the system message bus > Aug 23 06:38:35 nick-desktop kernel: [ 42.480907] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 42.988373] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 43.024971] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 43.027903] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 43.038062] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 43.038596] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:35 nick-desktop kernel: [ 43.040174] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.273651] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 8978, 9666 clusters in bitmap, > 9663 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.325750] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.325996] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.326652] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.327458] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.328120] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.328809] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.328992] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.329304] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.329481] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.329598] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.329822] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.330179] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.330420] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.330667] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.330887] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.356401] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924624: comm cinnamon: deleted inode > referenced: 73925384 > Aug 23 06:38:36 nick-desktop kernel: [ 43.423294] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 0, 23179 clusters in bitmap, > 23325 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.438000] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 21, 2089 clusters in bitmap, > 1995 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.438501] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 23, 4725 clusters in bitmap, > 4492 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.445559] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 52, 1161 clusters in bitmap, > 1064 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.470211] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924620: comm cinnamon: deleted inode > referenced: 73925381 > Aug 23 06:38:36 nick-desktop kernel: [ 43.662031] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 1046, 4460 clusters in bitmap, > 4505 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.666754] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.666842] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.667112] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.667305] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 1048, 32338 clusters in bitmap, > 32242 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.667347] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.667627] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.667700] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm pool: deleted inode > referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.686535] EXT4-fs error (device > bcache0): ext4_lookup:1437: inode #73924632: comm gvfsd-metadata: deleted > inode referenced: 73925382 > Aug 23 06:38:36 nick-desktop kernel: [ 43.686818] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 9026, 10258 clusters in bitmap, > 10256 in gd > Aug 23 06:38:36 nick-desktop kernel: [ 43.686920] JBD2: Spotted dirty > metadata buffer (dev = bcache0, blocknr = 0). There's a risk of filesystem > corruption in case of system crash. > Aug 23 06:38:36 nick-desktop kernel: [ 43.689092] JBD2: Spotted dirty > metadata buffer (dev = bcache0, blocknr = 0). There's a risk of filesystem > corruption in case of system crash. > Aug 23 06:38:37 nick-desktop kernel: [ 44.639789] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 9218, 866 clusters in bitmap, > 909 in gd > Aug 23 06:38:37 nick-desktop kernel: [ 44.720574] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 9889, 32250 clusters in bitmap, > 32262 in gd > Aug 23 06:38:37 nick-desktop kernel: [ 45.084439] JBD2: Spotted dirty > metadata buffer (dev = bcache0, blocknr = 0). There's a risk of filesystem > corruption in case of system crash. > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to open cookie file '/etc/timidity/.config/pulse/cookie': No such > file or directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to load authorization key '/etc/timidity/.config/pulse/cookie': No > such file or directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to open cookie file '/etc/timidity/.pulse-cookie': No such file or > directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to load authorization key '/etc/timidity/.pulse-cookie': No such file > or directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to open cookie file '/etc/timidity/.config/pulse/cookie': No such > file or directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] authkey.c: > Failed to load authorization key '/etc/timidity/.config/pulse/cookie': No > such file or directory > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [autospawn] core-util.c: Home > directory not accessible: Permission denied > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [autospawn] lock-autospawn.c: > Cannot access autospawn lock. > Aug 23 06:38:38 nick-desktop pulseaudio[3442]: [pulseaudio] main.c: Failed > to acquire autospawn lock > Aug 23 06:38:38 nick-desktop NetworkManager[1703]: <info> (eth0): IP6 > addrconf timed out or failed. > Aug 23 06:38:38 nick-desktop NetworkManager[1703]: <info> Activation (eth0) > Stage 4 of 5 (IPv6 Configure Timeout) scheduled... > Aug 23 06:38:38 nick-desktop NetworkManager[1703]: <info> Activation (eth0) > Stage 4 of 5 (IPv6 Configure Timeout) started... > Aug 23 06:38:38 nick-desktop NetworkManager[1703]: <info> Activation (eth0) > Stage 4 of 5 (IPv6 Configure Timeout) complete. > Aug 23 06:39:10 nick-desktop kernel: [ 77.755195] EXT4-fs error (device > bcache0): mb_free_blocks:1426: group 8965, block 293776389:freeing already > freed block (bit 11269) > Aug 23 06:39:10 nick-desktop kernel: [ 77.755208] EXT4-fs error (device > bcache0): ext4_mb_generate_buddy:755: group 8965, 16121 clusters in bitmap, > 16124 in gd > Aug 23 06:39:36 nick-desktop kernel: [ 103.731157] EXT4-fs warning (device > bcache0): ext4_unlink:2762: Deleting nonexistent file (73925382), 0 > > At this point, msg on console about inability to mount /home. I selected > manual recovery, tried to look at a few logs, then rebooted. Bcache msgs > from syslog on reboot: > > Aug 23 06:44:12 nick-desktop kernel: [ 1.985894] bcache: error on > 07df2e18-1b29-4226-a937-4b3cda8a6bb3: spotted bad key 0:3178037263 len 65535 > -> []: bad, no pointers, disabling caching > Aug 23 06:44:12 nick-desktop kernel: [ 1.986037] CPU: 0 PID: 74 Comm: > kworker/0:1 Not tainted 3.10.9-031009-generic #201308201935 > Aug 23 06:44:12 nick-desktop kernel: [ 1.986104] Hardware name: System > manufacturer System Product Name/P9X79 LE, BIOS 4106 07/15/2013 > Aug 23 06:44:12 nick-desktop kernel: [ 1.986177] Workqueue: events > bch_btree_read_done [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.986259] ffff8807f9de6020 > ffff88080357bc48 ffffffff816fb2ea ffff88080357bcd8 > Aug 23 06:44:12 nick-desktop kernel: [ 1.986450] ffffffffa00712d8 > ffff8808034e2ee0 3330383731333a30 6e656c2033363237 > Aug 23 06:44:12 nick-desktop kernel: [ 1.986640] 2d20353335353620 > ffff88005d5b203e ffffffff81038078 ffff88080357bc08 > Aug 23 06:44:12 nick-desktop kernel: [ 1.986829] Call Trace: > Aug 23 06:44:12 nick-desktop kernel: [ 1.986880] [<ffffffff816fb2ea>] > dump_stack+0x19/0x1b > Aug 23 06:44:12 nick-desktop kernel: [ 1.986933] [<ffffffffa00712d8>] > __bch_ptr_invalid+0x198/0x1b0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.986988] [<ffffffff81038078>] ? > native_smp_send_reschedule+0x48/0x60 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987050] [<ffffffff8108d986>] ? > resched_task+0x76/0x80 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987105] [<ffffffffa00712f0>] ? > __bch_ptr_invalid+0x1b0/0x1b0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987168] [<ffffffffa007130a>] > bch_ptr_invalid+0x1a/0x20 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987228] [<ffffffffa0072c63>] > btree_mergesort+0x83/0x1c0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987282] [<ffffffffa0072e1b>] > __btree_sort+0x7b/0x260 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987336] [<ffffffffa00733c7>] > bch_btree_sort_and_fix_extents+0x27/0x30 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987404] [<ffffffffa0069d39>] > bch_btree_read_done+0x409/0x4f0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 1.987459] [<ffffffff81078710>] > process_one_work+0x170/0x4a0 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987511] [<ffffffff81079a11>] > worker_thread+0x121/0x390 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987563] [<ffffffff810798f0>] ? > manage_workers.isra.20+0x170/0x170 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987616] [<ffffffff810802c0>] > kthread+0xc0/0xd0 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987667] [<ffffffff81080200>] ? > flush_kthread_worker+0xb0/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987721] [<ffffffff8170f9ac>] > ret_from_fork+0x7c/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 1.987773] [<ffffffff81080200>] ? > flush_kthread_worker+0xb0/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 1.991828] bcache: register_cache() > registered cache device sdb > Aug 23 06:44:12 nick-desktop kernel: [ 1.992117] bcache: cache_set_free() > Cache set 07df2e18-1b29-4226-a937-4b3cda8a6bb3 unregistered > Aug 23 06:44:12 nick-desktop kernel: [ 2.095031] usb 2-1.4.2: new > high-speed USB device number 4 using ehci-pci > Aug 23 06:44:12 nick-desktop kernel: [ 2.111318] bio: create slab <bio-1> > at 1 > Aug 23 06:44:12 nick-desktop kernel: [ 2.111492] bcache: register_bdev() > registered backing device sdd > ... > Aug 23 06:44:12 nick-desktop kernel: [ 22.740439] bcache: error on > 07df2e18-1b29-4226-a937-4b3cda8a6bb3: spotted bad key 0:3178037263 len 65535 > -> []: bad, no pointers, disabling caching > Aug 23 06:44:12 nick-desktop kernel: [ 22.740498] CPU: 0 PID: 74 Comm: > kworker/0:1 Tainted: PF O 3.10.9-031009-generic #201308201935 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740499] Hardware name: System > manufacturer System Product Name/P9X79 LE, BIOS 4106 07/15/2013 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740510] Workqueue: events > bch_btree_read_done [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740512] ffff8808028a6020 > ffff88080357bc48 ffffffff816fb2ea ffff88080357bcd8 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740514] ffffffffa00712d8 > ffff8808034e2ee0 3330383731333a30 6e656c2033363237 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740516] 2d20353335353620 > ffff88005d5b203e 0000000000000000 ffff88080357bc38 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740518] Call Trace: > Aug 23 06:44:12 nick-desktop kernel: [ 22.740522] [<ffffffff816fb2ea>] > dump_stack+0x19/0x1b > Aug 23 06:44:12 nick-desktop kernel: [ 22.740526] [<ffffffffa00712d8>] > __bch_ptr_invalid+0x198/0x1b0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740530] [<ffffffff814b0ccf>] ? > scsi_execute+0x11f/0x180 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740534] [<ffffffffa00712f0>] ? > __bch_ptr_invalid+0x1b0/0x1b0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740537] [<ffffffffa007130a>] > bch_ptr_invalid+0x1a/0x20 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740540] [<ffffffffa0072c63>] > btree_mergesort+0x83/0x1c0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740544] [<ffffffffa0072e1b>] > __btree_sort+0x7b/0x260 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740547] [<ffffffffa00733c7>] > bch_btree_sort_and_fix_extents+0x27/0x30 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740550] [<ffffffffa0069d39>] > bch_btree_read_done+0x409/0x4f0 [bcache] > Aug 23 06:44:12 nick-desktop kernel: [ 22.740553] [<ffffffff81078710>] > process_one_work+0x170/0x4a0 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740555] [<ffffffff81079a11>] > worker_thread+0x121/0x390 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740557] [<ffffffff810798f0>] ? > manage_workers.isra.20+0x170/0x170 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740559] [<ffffffff810802c0>] > kthread+0xc0/0xd0 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740561] [<ffffffff81080200>] ? > flush_kthread_worker+0xb0/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740564] [<ffffffff8170f9ac>] > ret_from_fork+0x7c/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 22.740565] [<ffffffff81080200>] ? > flush_kthread_worker+0xb0/0xb0 > Aug 23 06:44:12 nick-desktop kernel: [ 22.744286] bcache: register_cache() > registered cache device sdb > Aug 23 06:44:12 nick-desktop kernel: [ 22.744362] bcache: > register_bcache() error opening /dev/sdd: device busy > Aug 23 06:44:12 nick-desktop kernel: [ 22.744620] bcache: cache_set_free() > Cache set 07df2e18-1b29-4226-a937-4b3cda8a6bb3 unregistered > > > -- > To unsubscribe from this list: send the line "unsubscribe linux-bcache" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html Hello Nick, I am not a bcache expert, but have you tried to fsck the filesystem?: fsck.ext4 -cDfty -C 0 /dev/bcache0 -- -- Salutacions...Josep -- -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html