* Bcache volume no longer mounts
@ 2013-08-23 0:28 Nick Payne
[not found] ` <5216ACAB.7090603-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
0 siblings, 1 reply; 5+ messages in thread
From: Nick Payne @ 2013-08-23 0:28 UTC (permalink / raw)
To: linux-bcache-u79uwXL29TY76Z2rM5mHXA
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
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Bcache volume no longer mounts
[not found] ` <5216ACAB.7090603-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
@ 2013-08-23 5:15 ` Josep Lladonosa
[not found] ` <CAPBO7TZ0+eK3a0-tEXn1iDbk716AzZg3+8K=LmUj8+wDbnOCFg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2013-08-26 21:55 ` Kent Overstreet
1 sibling, 1 reply; 5+ messages in thread
From: Josep Lladonosa @ 2013-08-23 5:15 UTC (permalink / raw)
To: Nick Payne; +Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
On 23 August 2013 02:28, Nick Payne <nick.payne-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org> 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-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
>
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-bcache" in
> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
> 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
--
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Bcache volume no longer mounts
[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>
0 siblings, 1 reply; 5+ messages in thread
From: Nick Payne @ 2013-08-23 5:30 UTC (permalink / raw)
Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
On 23/08/2013 3:15 PM, Josep Lladonosa wrote:
> On 23 August 2013 02:28, Nick Payne <nick.payne-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org> 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-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
>>
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe linux-bcache" in
>> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>> 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
Problem is that /dev/bcache0 isn't there...
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Bcache volume no longer mounts
[not found] ` <5216F37C.5020003-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
@ 2013-08-24 13:55 ` Josep Lladonosa
0 siblings, 0 replies; 5+ messages in thread
From: Josep Lladonosa @ 2013-08-24 13:55 UTC (permalink / raw)
To: Nick Payne; +Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
On 23 August 2013 07:30, Nick Payne <nick.payne-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org> wrote:
> On 23/08/2013 3:15 PM, Josep Lladonosa wrote:
>>
>> On 23 August 2013 02:28, Nick Payne <nick.payne-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org> 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-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
>>>
>>>
>>> --
>>> To unsubscribe from this list: send the line "unsubscribe linux-bcache"
>>> in
>>> the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
>>> 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
>
>
> Problem is that /dev/bcache0 isn't there...
Hello,
O.K. I have been thinking about this. If in your case what fails is
bcache, perhaps it would be interesting to make a suggestion:
There is a Python tool (blocks, as it is in the FAQ) which allows to
"transform" a filesystem into bcache without losing data. In the same
manner, perhaps the author could add the functionality of returning a
"bcacheized" filesystem to its original format, without the bcache
superblock (and stuff?).
With a tool like that (I guess it would be very easy to add this
functionality), you could return your /home to a pure ext4 filesystem
and then mount, backup, create a new bcache, etc.
--
--
Salutacions...Josep
--
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: Bcache volume no longer mounts
[not found] ` <5216ACAB.7090603-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
2013-08-23 5:15 ` Josep Lladonosa
@ 2013-08-26 21:55 ` Kent Overstreet
1 sibling, 0 replies; 5+ messages in thread
From: Kent Overstreet @ 2013-08-26 21:55 UTC (permalink / raw)
To: Nick Payne; +Cc: linux-bcache-u79uwXL29TY76Z2rM5mHXA
On Fri, Aug 23, 2013 at 10:28:27AM +1000, Nick Payne 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?
Apologies for the late response (I have been looking at the bug report
and trying to figure out just what's going on, though)
For a more immediate solution: you can force run a backing device when
the cache set isn't available. If you were using it in writeback mode
and there was dirty data in the cache there's going to be data
corruption, but IME ext4 fsck can do wonders so it shouldn't be a total
loss:
echo 1 > /sys/block/sda/sda3/bcache/run (for e.g. sda3)
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2013-08-26 21:55 UTC | newest]
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2013-08-23 0:28 Bcache volume no longer mounts Nick Payne
[not found] ` <5216ACAB.7090603-CkBdp7X+a1oIQCUVoCVjmQ@public.gmane.org>
2013-08-23 5:15 ` 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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