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** Changed in: linux (Ubuntu)
Status: Triaged => Won't Fix
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https://bugs.launchpad.net/bugs/891158
Title:
[btrfs] cp -r --reflink triggers kernel bug
Status in linux package in Ubuntu:
Won't Fix
Bug description:
I have btrs partition created with mkfs.btrfs v0.19.
/dev/sdb2 on /media/stripe type btrfs (rw,relatime,compress=lzo)
$ btrfs filesystem show
Label: 'stripe' uuid: 981757e7-85b8-40d5-8d19-558370339855
Total devices 1 FS bytes used 62.84GB
devid 1 size 196.00GB used 65.54GB path /dev/sdb2
Btrfs Btrfs v0.19
When I try to copy any non-empty directory with 'cp -a --reflink', cp crashes
with segmentation fault, and I see following lines in the syslog:
Nov 16 18:22:09 gurren kernel: [ 189.233479] kernel BUG at
/build/buildd/linux-3.0.0/fs/btrfs/delayed-inode.c:1693!
Nov 16 18:22:09 gurren kernel: [ 189.233482] invalid opcode: 0000 [#1] SMP
Nov 16 18:22:09 gurren kernel: [ 189.233485] CPU 1
Nov 16 18:22:09 gurren kernel: [ 189.233487] Modules linked in: isofs udf
vmnet vsock vmci vmmon ah4 xfrm4_mode_transport deflate ctr twofish_generic
twofish_x86_64 twofish_common camellia serpent blowfish cast5 des_generic xcbc
rmd160 sha512_generic crypto_null af_key parport_pc ppdev binfmt_misc nfsd nfs
lockd fscache auth_rpcgss nfs_acl sunrpc dm_crypt snd_hda_codec_hdmi
snd_hda_codec_analog snd_hda_intel snd_hda_codec snd_hwdep snd_pcm snd_seq_midi
snd_rawmidi snd_seq_midi_event nvidia(P) joydev snd_seq snd_timer
snd_seq_device snd soundcore snd_page_alloc shpchp psmouse serio_raw w83627ehf
hwmon_vid coretemp usbserial firewire_sbp2 lp parport btrfs zlib_deflate
libcrc32c vesafb usbhid hid aacraid firewire_ohci pata_marvell ahci libahci
firewire_core crc_itu_t sky2 skge
Nov 16 18:22:09 gurren kernel: [ 189.233540]
Nov 16 18:22:09 gurren kernel: [ 189.233542] Pid: 3694, comm: cp Tainted: P
3.0.0-12-generic #20-Ubuntu System manufacturer P5Q-E/P5Q-E
Nov 16 18:22:09 gurren kernel: [ 189.233548] RIP: 0010:[<ffffffffa013df10>]
[<ffffffffa013df10>] btrfs_delayed_update_inode+0x120/0x130 [btrfs]
Nov 16 18:22:09 gurren kernel: [ 189.233568] RSP: 0018:ffff8801d008dc58
EFLAGS: 00010286
Nov 16 18:22:09 gurren kernel: [ 189.233570] RAX: 00000000ffffffe4 RBX:
ffff8801c3650000 RCX: 0000000000018000
Nov 16 18:22:09 gurren kernel: [ 189.233573] RDX: 0000000000000033 RSI:
0000000000018000 RDI: ffff880201da41d0
Nov 16 18:22:09 gurren kernel: [ 189.233576] RBP: ffff8801d008dc98 R08:
ffffe8ffffc84660 R09: ffff8801c34b42f8
Nov 16 18:22:09 gurren kernel: [ 189.233578] R10: 0000000000000000 R11:
ffff8801c3609000 R12: ffff8801c3650048
Nov 16 18:22:09 gurren kernel: [ 189.233580] R13: ffff8801c3710588 R14:
ffff8801c3609000 R15: ffff88021e13b800
Nov 16 18:22:09 gurren kernel: [ 189.233583] FS: 00007f5ec60147c0(0000)
GS:ffff88022fc80000(0000) knlGS:0000000000000000
Nov 16 18:22:09 gurren kernel: [ 189.233586] CS: 0010 DS: 0000 ES: 0000
CR0: 000000008005003b
Nov 16 18:22:09 gurren kernel: [ 189.233588] CR2: 0000000000639078 CR3:
00000001cbe93000 CR4: 00000000000006e0
Nov 16 18:22:09 gurren kernel: [ 189.233591] DR0: 0000000000000000 DR1:
0000000000000000 DR2: 0000000000000000
Nov 16 18:22:09 gurren kernel: [ 189.233593] DR3: 0000000000000000 DR6:
00000000ffff0ff0 DR7: 0000000000000400
Nov 16 18:22:09 gurren kernel: [ 189.233596] Process cp (pid: 3694,
threadinfo ffff8801d008c000, task ffff8801bce35c80)
Nov 16 18:22:09 gurren kernel: [ 189.233598] Stack:
Nov 16 18:22:09 gurren kernel: [ 189.233600] 0000000000000001
0000000000018000 000000000002ea95 ffff8801c36e8600
Nov 16 18:22:09 gurren kernel: [ 189.233604] ffff8801c3710588
ffff8801c3609000 ffff8801ff49b1b0 0000000000000000
Nov 16 18:22:09 gurren kernel: [ 189.233608] ffff8801d008dce8
ffffffffa00fa8a3 ffff8801ff44c198 0000000000000000
Nov 16 18:22:09 gurren kernel: [ 189.233613] Call Trace:
Nov 16 18:22:09 gurren kernel: [ 189.233629] [<ffffffffa00fa8a3>]
btrfs_update_inode+0x53/0x170 [btrfs]
Nov 16 18:22:09 gurren kernel: [ 189.233644] [<ffffffffa01217d0>]
btrfs_ioctl_clone+0x8b0/0xc00 [btrfs]
Nov 16 18:22:09 gurren kernel: [ 189.233659] [<ffffffffa0125008>]
btrfs_ioctl+0x218/0x660 [btrfs]
Nov 16 18:22:09 gurren kernel: [ 189.233664] [<ffffffff8117923a>]
file_ioctl+0x4a/0x120
Nov 16 18:22:09 gurren kernel: [ 189.233667] [<ffffffff8117964b>]
do_vfs_ioctl+0x33b/0x340
Nov 16 18:22:09 gurren kernel: [ 189.233671] [<ffffffff8116c25a>] ?
sys_newfstat+0x2a/0x40
Nov 16 18:22:09 gurren kernel: [ 189.233674] [<ffffffff811796e1>]
sys_ioctl+0x91/0xa0
Nov 16 18:22:09 gurren kernel: [ 189.233679] [<ffffffff815f22c2>]
system_call_fastpath+0x16/0x1b
Nov 16 18:22:09 gurren kernel: [ 189.233681] Code: 00 03 00 00 8d 0c 49 48
89 ca 48 89 4d c8 e8 e8 3a fa ff 85 c0 48 8b 4d c8 75 10 48 89 4b 08 e9 40 ff
ff ff 0f 1f 80 00 00 00 00 <0f> 0b 66 66 66 66 66 2e 0f 1f 84 00 00 00 00 00 55
48 89 e5 53
Nov 16 18:22:09 gurren kernel: [ 189.233715] RIP [<ffffffffa013df10>]
btrfs_delayed_update_inode+0x120/0x130 [btrfs]
Nov 16 18:22:09 gurren kernel: [ 189.233729] RSP <ffff8801d008dc58>
Nov 16 18:22:09 gurren kernel: [ 189.233732] ---[ end trace 03e4441b5f32b830
]---
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-3.0.0-12-generic 3.0.0-12.20
ProcVersionSignature: Ubuntu 3.0.0-12.20-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
ApportVersion: 1.23-0ubuntu4
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: ranma 2992 F.... pulseaudio
CRDA: Error: [Errno 2] Нет такого файла или каталога
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xfbff8000 irq 45'
Mixer name : 'Analog Devices AD1989B'
Components : 'HDA:11d4989b,10438311,00100300'
Controls : 47
Simple ctrls : 26
Card1.Amixer.info:
Card hw:1 'NVidia'/'HDA NVidia at 0xfe5fc000 irq 17'
Mixer name : 'Nvidia GPU 12 HDMI/DP'
Components : 'HDA:10de0012,10de0101,00100100'
Controls : 18
Simple ctrls : 6
Date: Wed Nov 16 18:25:21 2011
HibernationDevice: RESUME=UUID=869540bb-d1e1-4202-9bce-58fc6cac40b7
MachineType: System manufacturer P5Q-E
ProcEnviron:
SHELL=/bin/bash
PATH=(custom, user)
LANG=ru_RU.utf8
LANGUAGE=ru_RU:ru:en_GB:en
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.0.0-12-generic
root=UUID=39f97f1d-566c-45a4-a45a-41d6964e7de2 ro acpi_enforce_resources=lax
quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.0.0-12-generic N/A
linux-backports-modules-3.0.0-12-generic N/A
linux-firmware 1.60
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to oneiric on 2011-10-15 (31 days ago)
WpaSupplicantLog:
dmi.bios.date: 04/06/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2101
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5Q-E
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr2101:bd04/06/2009:svnSystemmanufacturer:pnP5Q-E:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5Q-E:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: P5Q-E
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
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