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* BUG in btrfs/inode.c:1528!
@ 2011-01-15  0:57 Niklas Schnelle
  2011-01-15  5:15 ` cwillu
  0 siblings, 1 reply; 2+ messages in thread
From: Niklas Schnelle @ 2011-01-15  0:57 UTC (permalink / raw)
  To: linux-btrfs

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I was running a "cp -ar /mnt/extern/foo/* /mnt/extern/bar/subvolume/" on
my USB harddrive which was formatted yesterday (rsyncing about 90 GB
worked yesterday without problems)
when I was dropped to a console with the error snippet below, the cp
kept on working
as if nothing happened and has since finished. The filesystem seems to
have keep working normaly with only unmounting not closing without a
kill however btrfsck reported everything to be ok and using it now on
another computer it seems to work perfectly.
Also on the first try I did mv instead of cp but that said something
about subvolume boundaries and failed. I've been using btrfs on multi
device on an atom server for over a year now without major problems
(only also the mv across subvolume boundaries once).

Btw: Is anyone reading
https://bugzilla.kernel.org/buglist.cgi?quicksearch=btrfs

all bugs are still NEW..

Here is my trace: (ignore the radeon ERRORs the radeon in this old iMac
(first
intel Gen. is really badly supported but works)

/var/log/kernel.log-Jan 14 17:20:58 mercury kernel: Btrfs loaded
/var/log/kernel.log-Jan 14 17:20:58 mercury kernel: device label extern
devid 1
transid 168 /dev/sdb1
/var/log/kernel.log-Jan 14 17:20:58 mercury kernel: btrfs: use
compression
/var/log/kernel.log-Jan 14 17:20:58 mercury kernel: Adding 1048572k swap
on
/swapfile.  Priority:-1 extents:46 across:65110016k 
/var/log/kernel.log-Jan 14 17:21:00 mercury kernel: sky2 0000:02:00.0:
eth0:
enabling interface
/var/log/kernel.log-Jan 14 17:21:02 mercury kernel: sky2 0000:02:00.0:
eth0:
Link is up at 1000 Mbps, full duplex, flow control both
/var/log/kernel.log-Jan 14 17:21:10 mercury kernel: sshd (1970):
/proc/1970/oom_adj is deprecated, please use /proc/1970/oom_score_adj
instead.
/var/log/kernel.log-Jan 14 17:21:10 mercury kernel: NET: Registered
protocol
family 10
/var/log/kernel.log-Jan 14 17:21:10 mercury kernel: lo: Disabled Privacy
Extensions
/var/log/kernel.log-Jan 14 17:21:20 mercury kernel: eth0: no IPv6
routers
present
/var/log/kernel.log-Jan 14 17:45:45 mercury kernel: i2c i2c-0:
readbytes:
ack/nak timeout
/var/log/kernel.log-Jan 14 17:45:45 mercury kernel:
[drm:radeon_dvi_detect]
*ERROR* DVI-I-1: probed a monitor but no|invalid EDID
/var/log/kernel.log-Jan 14 18:23:34 mercury kernel:
[drm:radeon_dvi_detect]
*ERROR* DVI-I-1: probed a monitor but no|invalid EDID
/var/log/kernel.log-Jan 14 18:29:17 mercury kernel:
[drm:radeon_dvi_detect]
*ERROR* DVI-I-1: probed a monitor but no|invalid EDID
/var/log/kernel.log-Jan 14 18:29:17 mercury kernel: i2c i2c-0:
sendbytes: NAK
bailout.
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: ------------[ cut
here
]------------
/var/log/kernel.log:Jan 14 19:11:46 mercury kernel: kernel BUG at
fs/btrfs/inode.c:1528!
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: invalid opcode: 0000
[#1]
PREEMPT SMP 
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: last sysfs file:
/sys/devices/pci0000:00/0000:00:01.0/0000:01:00.0/drm/card0/uevent
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Modules linked in:
ipv6
btrfs zlib_deflate crc32c libcrc32c btusb bluetooth snd_seq_dummy
snd_seq_oss
snd_seq_midi_event arc4 snd_seq usbhid snd_usb_audio ecb isight_firmware
snd_pcm_oss snd_usbmidi_lib snd_rawmidi snd_seq_device snd_mixer_oss hid
usb_storage b43 snd_hda_codec_idt mac80211 radeon cfg80211 snd_hda_intel
rfkill
snd_hda_codec ssb snd_hwdep ttm mmc_core pcmcia drm_kms_helper sg sky2
pcmcia_core drm snd_pcm iTCO_wdt intel_agp iTCO_vendor_support snd_timer
firewire_ohci i2c_i801 i2c_algo_bit agpgart snd soundcore snd_page_alloc
video
firewire_core applesmc i2c_core led_class output input_polldev usblp
crc_itu_t
vboxdrv fuse tpm_infineon evdev cpufreq_ondemand pcspkr thermal tpm
tpm_bios
button acpi_cpufreq freq_table processor mperf ext4 mbcache jbd2 crc16
sd_mod
sr_mod cdrom ata_piix pata_acpi uhci_hcd libata ehci_hcd scsi_mod
usbcore
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: 
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Pid: 1661, comm:
btrfs-fixup-0 Not tainted 2.6.36-ARCH #1 Mac-F42787C8/iMac4,1
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: EIP:
0060:[<f9ff1dd3>]
EFLAGS: 00010246 CPU: 1
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: EIP is at
btrfs_writepage_fixup_worker+0x153/0x160 [btrfs]
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: EAX: 00000000 EBX:
032b2000
ECX: ef2d5f00 EDX: 00000000
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: ESI: 00000000 EDI:
c1be3ca0
EBP: ef2d5f50 ESP: ef2d5f18
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: DS: 007b ES: 007b
FS: 00d8
GS: 00e0 SS: 0068
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Process
btrfs-fixup-0 (pid:
1661, ti=ef2d4000 task=f6ade280 task.ti=ef2d4000)
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Stack:
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: 032b2fff 00000000
00000008
ef2d5f40 00000050 00000000 e65653a0 032b2fff
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: <0> 00000000
e656549c
c82c4058 f71e0880 c2042598 f71e088c ef2d5fb8 fa01cc19
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: <0> 00000000
00000001
00000086 ef3c5cd4 ef2d5fa0 ef2d5f98 c2042584 c103e80b
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Call Trace:
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<fa01cc19>] ?
worker_loop+0x79/0x4b0 [btrfs]
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<c103e80b>] ?
default_wake_function+0xb/0x10
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<c102fc40>] ?
__wake_up_common+0x40/0x70
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<fa01cba0>] ?
worker_loop+0x0/0x4b0 [btrfs]
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<c10609c4>] ?
kthread+0x74/0x80
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<c1060950>] ?
kthread+0x0/0x80
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: [<c1003d3e>] ?
kernel_thread_helper+0x6/0x18
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: Code: 89 54 24 08 8b
55 e8
c7 44 24 0c 50 00 00 00 89 04 24 8b 45 e0 89 54 24 04 89 da e8 08 ec 01
00 eb
bf 89 f8 e8 2f cd 0c c7 eb a6 <0f> 0b 8d 74 26 00 8d bc 27 00 00 00 00
55 f6 40
d4 04 89 e5 75 
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: EIP: [<f9ff1dd3>]
btrfs_writepage_fixup_worker+0x153/0x160 [btrfs] SS:ESP 0068:ef2d5f18
/var/log/kernel.log-Jan 14 19:11:46 mercury kernel: ---[ end trace
2d8fb9f60351d6d8 ]---
/var/log/kernel.log-Jan 14 19:13:09 mercury kernel:
[drm:radeon_dvi_detect]
*ERROR* DVI-I-1: probed a monitor but no|invalid EDID

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2011-01-15  0:57 BUG in btrfs/inode.c:1528! Niklas Schnelle
2011-01-15  5:15 ` cwillu

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