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From: Nick Payne <nick.payne-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
To: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Bcache volume no longer mounts
Date: Fri, 23 Aug 2013 10:28:27 +1000	[thread overview]
Message-ID: <5216ACAB.7090603@internode.on.net> (raw)

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-ppwZ4lME3+KI6QP4U9MhSdBc4/FLrbF6@public.gmane.org>, 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

             reply	other threads:[~2013-08-23  0:28 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-23  0:28 Nick Payne [this message]
     [not found] ` <5216ACAB.7090603-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
2013-08-23  5:15   ` Bcache volume no longer mounts Josep Lladonosa
     [not found]     ` <CAPBO7TZ0+eK3a0-tEXn1iDbk716AzZg3+8K=LmUj8+wDbnOCFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-23  5:30       ` Nick Payne
     [not found]         ` <5216F37C.5020003-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
2013-08-24 13:55           ` Josep Lladonosa
2013-08-26 21:55   ` Kent Overstreet

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