** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1295450
Title:
[beta1] [btrfs] kernel BUG at
/build/buildd/linux-3.13.0/fs/btrfs/file.c:837!
Status in “linux” package in Ubuntu:
Confirmed
Bug description:
Description
=========
btrfs/035 - Regression test for overwriting clone testcase in the xfsqa test
suite fails with kernel BUG at /build/buildd/linux-3.13.0/fs/btrfs/file.c:837!
root@ubuntu:~/suites/XFSQA/xfstests-f1dcf49# ./check btrfs/035
FSTYP -- btrfs
PLATFORM -- Linux/ppc64le ubuntu 3.13.0-14-generic
MKFS_OPTIONS -- /dev/loop1
MOUNT_OPTIONS -- /dev/loop1 /mnt/scratch
btrfs/035
Detailed trace messages
===================
Mar 7 01:05:37 ubuntu user: run xfstest btrfs/035
Mar 7 01:05:38 ubuntu kernel: [ 874.286014] btrfs: device fsid
59b3e135-33c2-4c5c-b19e-4a9110ba06d5 devid 1 transid 1 /dev/loop1
Mar 7 01:05:38 ubuntu kernel: [ 874.295434] btrfs: device fsid
59b3e135-33c2-4c5c-b19e-4a9110ba06d5 devid 1 transid 4 /dev/loop1
Mar 7 01:05:38 ubuntu kernel: [ 874.481031] btrfs: device fsid
59b3e135-33c2-4c5c-b19e-4a9110ba06d5 devid 1 transid 4 /dev/loop1
Mar 7 01:05:38 ubuntu kernel: [ 874.491104] btrfs: device fsid
59b3e135-33c2-4c5c-b19e-4a9110ba06d5 devid 1 transid 4 /dev/loop1
Mar 7 01:05:38 ubuntu kernel: [ 874.509344] btrfs: device fsid
59b3e135-33c2-4c5c-b19e-4a9110ba06d5 devid 1 transid 4 /dev/loop1
Mar 7 01:05:38 ubuntu kernel: [ 874.510757] btrfs: disk space caching is
enabled
Mar 7 01:05:38 ubuntu kernel: [ 874.510760] btrfs flagging fs with big
metadata feature
Mar 7 01:05:38 ubuntu kernel: [ 874.512208] btrfs: creating UUID tree
Mar 7 01:05:38 ubuntu kernel: [ 874.649220] ------------[ cut here
]------------
Mar 7 01:05:38 ubuntu kernel: [ 874.649225] kernel BUG at
/build/buildd/linux-3.13.0/fs/btrfs/file.c:837!
Mar 7 01:05:38 ubuntu kernel: [ 874.649377] Oops: Exception in kernel mode,
sig: 5 [#1]
Mar 7 01:05:38 ubuntu kernel: [ 874.649424] SMP NR_CPUS=2048 NUMA pSeries
Mar 7 01:05:38 ubuntu kernel: [ 874.649473] Modules linked in: pseries_rng
rtc_generic btrfs xor raid6_pq libcrc32c
Mar 7 01:05:38 ubuntu kernel: [ 874.649600] CPU: 0 PID: 19133 Comm: cloner
Tainted: G W 3.13.0-14-generic #34-Ubuntu
Mar 7 01:05:38 ubuntu kernel: [ 874.649745] task: c00000007b8a8000 ti:
c00000007b790000 task.ti: c00000007b790000
Mar 7 01:05:38 ubuntu kernel: [ 874.649813] NIP: d0000000005eb9fc LR:
d0000000005eb634 CTR: 0000000000000000
Mar 7 01:05:38 ubuntu kernel: [ 874.649882] REGS: c00000007b7933c0 TRAP: 0700
Tainted: G W (3.13.0-14-generic)
Mar 7 01:05:38 ubuntu kernel: [ 874.649950] MSR: 8000000000029033
<SF,EE,ME,IR,DR,RI,LE> CR: 24044024 XER: 20000000
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] CFAR: d0000000005ebd9c SOFTE: 1
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR00: 0000000000000001
c00000007b793640 d000000000692028 0000000000000014
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR04: 0000000000003e15
0000000000004000 c00000007b793608 c0000000799c7000
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR08: 0000000000001000
0000000000000001 c0000000799c7000 c00000007b7936d1
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR12: 0000000024048022
c00000000fe80000 c000000050f91dc0 c000000050f91dc0
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR16: 1000000000000000
c000000000000000 000000000000000a c000000079576000
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR20: 0000000000000001
0000000000000101 0000000000000000 0000000000000000
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR24: 000000000000006c
0000000000000101 0000000000000000 0000000000000014
Mar 7 01:05:38 ubuntu kernel: [ 874.650118] GPR28: 0000000000000000
0000000000003e0d 0000000000000000 c00000007d890090
Mar 7 01:05:38 ubuntu kernel: [ 874.651152] NIP [d0000000005eb9fc]
.__btrfs_drop_extents+0x6dc/0xa80 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651237] LR [d0000000005eb634]
.__btrfs_drop_extents+0x314/0xa80 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651347] Call Trace:
Mar 7 01:05:38 ubuntu kernel: [ 874.651389] [c00000007b793640]
[d0000000005eb634] .__btrfs_drop_extents+0x314/0xa80 [btrfs] (unreliable)
Mar 7 01:05:38 ubuntu kernel: [ 874.651498] [c00000007b7937c0]
[d0000000005ec95c] .btrfs_drop_extents+0x7c/0xd0 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651599] [c00000007b793870]
[d00000000065a908] .btrfs_clone+0x6fc/0x998 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651697] [c00000007b7939f0]
[d00000000060d658] .btrfs_ioctl_clone+0x428/0x450 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651859] [c00000007b793ae0]
[d000000000611428] .btrfs_ioctl+0x3a8/0x2920 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.651946] [c00000007b793c90]
[c00000000024c884] .do_vfs_ioctl+0x4d4/0x790
Mar 7 01:05:38 ubuntu kernel: [ 874.652016] [c00000007b793d80]
[c00000000024cc14] .SyS_ioctl+0xd4/0xf0
Mar 7 01:05:38 ubuntu kernel: [ 874.652016] [c00000007b793d80]
[c00000000024cc14] .SyS_ioctl+0xd4/0xf0
Mar 7 01:05:38 ubuntu kernel: [ 874.652088] [c00000007b793e30]
[c000000000009e58] syscall_exit+0x0/0x98
Mar 7 01:05:38 ubuntu kernel: [ 874.652155] Instruction dump:
Mar 7 01:05:38 ubuntu kernel: [ 874.652192] 7cd6d850 38e00000 4800360d
60000000 7dc37378 4bfe3a01 60000000 e96100e8
Mar 7 01:05:38 ubuntu kernel: [ 874.652366] 41920010 e80100c8 2fa00000
409e02dc <0b140000> 39010091 3921009a fb280000
Mar 7 01:05:38 ubuntu kernel: [ 874.652495] ---[ end trace bd0cd2e514b90182
]---
Mar 7 01:05:38 ubuntu kernel: [ 874.656578]
Mar 7 01:05:38 ubuntu kernel: [ 874.656710] ------------[ cut here
]------------
Mar 7 01:05:38 ubuntu kernel: [ 874.656759] WARNING: at
/build/buildd/linux-3.13.0/kernel/smp.c:237
Mar 7 01:05:38 ubuntu kernel: [ 874.656875] Modules linked in: pseries_rng
rtc_generic btrfs xor raid6_pq libcrc32c
Mar 7 01:05:38 ubuntu kernel: [ 874.656995] CPU: 0 PID: 19133 Comm: cloner
Tainted: G D W 3.13.0-14-generic #34-Ubuntu
Mar 7 01:05:38 ubuntu kernel: [ 874.657075] task: c00000007b8a8000 ti:
c00000007b790000 task.ti: c00000007b790000
Mar 7 01:05:38 ubuntu kernel: [ 874.657143] NIP: c00000000011ff00 LR:
c00000000018ffc4 CTR: c000000000193850
Mar 7 01:05:38 ubuntu kernel: [ 874.657212] REGS: c00000007b792ba0 TRAP: 0700
Tainted: G D W (3.13.0-14-generic)
Mar 7 01:05:38 ubuntu kernel: [ 874.657279] MSR: 8000000000021033
<SF,ME,IR,DR,RI,LE> CR: 42044022 XER: 00000000
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] CFAR: c00000000011fdf4 SOFTE: 0
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR00: c00000000018ffc4
c00000007b792e20 c000000001118a80 0000000000000000
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR04: c000000001078278
c00000007b792f50 0000000000000001 c000000000fc8a80
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR08: c000000001175a80
0000000000000000 0000000000000001 00000000000000a3
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR12: 0000000044044028
c00000000fe80000 c000000050f91dc0 c000000050f91dc0
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR16: 1000000000000000
c000000000000000 000000000000000a c000000079576000
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR20: 0000000000000001
0000000000000101 c00000007b8a9104 0000000000000000
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR24: c00000007b793090
0000000000000101 0000000000000000 c000000001007a00
Mar 7 01:05:38 ubuntu kernel: [ 874.657489] GPR28: c00000007b792f50
c000000001078278 0000000000000001 0000000000000000
Mar 7 01:05:38 ubuntu kernel: [ 874.658488] NIP [c00000000011ff00]
.smp_call_function_single+0x190/0x210
Mar 7 01:05:38 ubuntu kernel: [ 874.658549] LR [c00000000018ffc4]
.task_function_call+0x54/0x70
Mar 7 01:05:38 ubuntu kernel: [ 874.658605] Call Trace:
Mar 7 01:05:38 ubuntu kernel: [ 874.658631] [c00000007b792e20]
[0000000000000001] 0x1 (unreliable)
Mar 7 01:05:38 ubuntu kernel: [ 874.658709] [c00000007b792ee0]
[c00000000018ffc4] .task_function_call+0x54/0x70
Mar 7 01:05:38 ubuntu kernel: [ 874.658792] [c00000007b792f80]
[c0000000001383c4] .cgroup_exit+0x114/0x180
Mar 7 01:05:38 ubuntu kernel: [ 874.658936] [c00000007b793020]
[c000000000097fdc] .do_exit+0x36c/0xb40
Mar 7 01:05:38 ubuntu kernel: [ 874.659008] [c00000007b793110]
[c000000000021c10] .die+0x2f0/0x450
Mar 7 01:05:38 ubuntu kernel: [ 874.659077] [c00000007b7931b0]
[c000000000021f84] ._exception+0x1a4/0x1d0
Mar 7 01:05:38 ubuntu kernel: [ 874.659147] [c00000007b793350]
[c0000000000061c4] program_check_common+0x144/0x180
Mar 7 01:05:38 ubuntu kernel: [ 874.659259] --- Exception: 700 at
.__btrfs_drop_extents+0x6dc/0xa80 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659259] LR =
.__btrfs_drop_extents+0x314/0xa80 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659388] [c00000007b7937c0]
[d0000000005ec95c] .btrfs_drop_extents+0x7c/0xd0 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659539] [c00000007b793870]
[d00000000065a908] .btrfs_clone+0x6fc/0x998 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659637] [c00000007b7939f0]
[d00000000060d658] .btrfs_ioctl_clone+0x428/0x450 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659735] [c00000007b793ae0]
[d000000000611428] .btrfs_ioctl+0x3a8/0x2920 [btrfs]
Mar 7 01:05:38 ubuntu kernel: [ 874.659816] [c00000007b793c90]
[c00000000024c884] .do_vfs_ioctl+0x4d4/0x790
Mar 7 01:05:38 ubuntu kernel: [ 874.659888] [c00000007b793d80]
[c00000000024cc14] .SyS_ioctl+0xd4/0xf0
Mar 7 01:05:38 ubuntu kernel: [ 874.660011] [c00000007b793e30]
[c000000000009e58] syscall_exit+0x0/0x98
Mar 7 01:05:38 ubuntu kernel: [ 874.660079] Instruction dump:
Mar 7 01:05:38 ubuntu kernel: [ 874.660114] 4bffff70 60000000 60000000
60420000 3ce2000a 394752d0 814a0000 2f8a0000
Mar 7 01:05:38 ubuntu kernel: [ 874.660233] 409eff08 3ce2ffeb 8947a653
694a0001 <0b0a0000> 2faa0000 41fefef0 39400001
Mar 7 01:05:38 ubuntu kernel: [ 874.660351] ---[ end trace bd0cd2e514b90183
]---
Mar 7 01:09:17 ubuntu kernel: [ 1092.760484] type=1006
audit(1394176157.030:34): pid=19137 uid=0 old auid=4294967295 new auid=1000 old
ses=4294967295 new ses=2 res=1
Steps to reproduce
===============
> Installed Ubuntu beta1 build ISO on a Power 8 machine as a KVM guest
> Download and compile xfstests-f1dcf49.tar.gz and xfsprogs-05aa762.tar.gz
from http://oss.sgi.com/cgi-bin/gitweb.cgi?p=xfs/cmds/xfstests.git;a=summary
> run ./check btrfs/035
uname -a
========
Linux ubuntu 3.13.0-14-generic #34-Ubuntu SMP Thu Feb 27 22:35:16 UTC 2014
ppc64le ppc64le ppc64le GNU/Linux
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