Lage samba file transfers block btrfs to hung task
Affects | Status | Importance | Assigned to | Milestone | |
---|---|---|---|---|---|
linux (Ubuntu) |
Confirmed
|
Medium
|
Unassigned |
Bug Description
this bug occurs when user transfer big files ~1gb to the samba server on xenial/wily
on wily this problem was NOT showing with samba 4.2 (i guess) until samba was also upgraded to 4.3.
the samba runs on a KVM VM
samba version: 4.3.9+dfsg-
[ 30.171211] zram: Added device: zram0
[ 30.356301] zram0: detected capacity change from 0 to 1518252032
[ 30.668855] Adding 1482664k swap on /dev/zram0. Priority:5 extents:1 across:1482664k SSFS
[ 35.608271] [drm:qxl_enc_commit [qxl]] *ERROR* head number too large or missing monitors config: ffffc90000e30000, 0
[ 45.008364] Non-volatile memory driver v1.3
[65636.820111] INFO: task btrfs-cleaner:631 blocked for more than 120 seconds.
[65636.820128] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.820129] "echo 0 > /proc/sys/
[65636.820131] btrfs-cleaner D ffff88005ae93ce8 0 631 2 0x00000000
[65636.820137] ffff88005ae93ce8 ffff8800bbb86400 ffff8801b0dc3e80 ffff8801b0dc2580
[65636.820139] ffff88005ae94000 ffff8801851971f0 ffff880185197000 ffff8801851971f0
[65636.820141] 0000000000000001 ffff88005ae93d00 ffffffff81829ec5 ffff8801b7fc4000
[65636.820143] Call Trace:
[65636.820182] [<ffffffff81829
[65636.820360] [<ffffffffc0170
[65636.820395] [<ffffffff810c3
[65636.820409] [<ffffffffc0172
[65636.820434] [<ffffffffc0172
[65636.820452] [<ffffffffc015a
[65636.820454] [<ffffffff81829
[65636.820467] [<ffffffffc0171
[65636.820480] [<ffffffffc016a
[65636.820493] [<ffffffffc016a
[65636.820497] [<ffffffff810a0
[65636.820499] [<ffffffff810a0
[65636.820505] [<ffffffff8182e
[65636.820507] [<ffffffff810a0
[65636.820550] INFO: task kworker/u4:1:7760 blocked for more than 120 seconds.
[65636.820551] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.820558] "echo 0 > /proc/sys/
[65636.820559] kworker/u4:1 D ffff880008433c48 0 7760 2 0x00000000
[65636.820579] Workqueue: btrfs-endio-write btrfs_endio_
[65636.820581] ffff880008433c48 0000000000000040 ffff8800b9d98c80 ffff8801b51a9900
[65636.820582] ffff880008434000 ffff8801851941f0 ffff880185194000 ffff8801851941f0
[65636.820584] 0000000000000001 ffff880008433c60 ffffffff81829ec5 ffff8801b7fc4000
[65636.820586] Call Trace:
[65636.820588] [<ffffffff81829
[65636.820602] [<ffffffffc0170
[65636.820604] [<ffffffff810c3
[65636.820620] [<ffffffffc0172
[65636.820650] [<ffffffffc0172
[65636.820667] [<ffffffffc017b
[65636.820692] [<ffffffffc017b
[65636.820718] [<ffffffffc01a3
[65636.820723] [<ffffffff810ab
[65636.820741] [<ffffffffc01a4
[65636.820753] [<ffffffff8109a
[65636.820755] [<ffffffff8109a
[65636.820757] [<ffffffff8109a
[65636.820758] [<ffffffff810a0
[65636.820760] [<ffffffff810a0
[65636.820761] [<ffffffff8182e
[65636.820763] [<ffffffff810a0
[65636.820770] INFO: task kworker/u4:2:7814 blocked for more than 120 seconds.
[65636.820771] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.820772] "echo 0 > /proc/sys/
[65636.820773] kworker/u4:2 D ffff880102027c48 0 7814 2 0x00000000
[65636.820848] Workqueue: btrfs-endio-write btrfs_endio_
[65636.820850] ffff880102027c48 0000000000000040 ffff8801b51ae400 ffff8801b51a8c80
[65636.820852] ffff880102028000 ffff8801851941f0 ffff880185194000 ffff8801851941f0
[65636.820853] 0000000000000001 ffff880102027c60 ffffffff81829ec5 ffff8801b7fc4000
[65636.820855] Call Trace:
[65636.820857] [<ffffffff81829
[65636.820877] [<ffffffffc0170
[65636.820879] [<ffffffff810c3
[65636.820893] [<ffffffffc0172
[65636.820908] [<ffffffffc0172
[65636.820922] [<ffffffffc017b
[65636.820934] [<ffffffff813b9
[65636.820936] [<ffffffff813b9
[65636.820950] [<ffffffffc017b
[65636.820964] [<ffffffffc01a3
[65636.820966] [<ffffffff810ab
[65636.820999] [<ffffffffc01a4
[65636.821002] [<ffffffff8109a
[65636.821003] [<ffffffff8109a
[65636.821005] [<ffffffff8109a
[65636.821007] [<ffffffff8109a
[65636.821008] [<ffffffff810a0
[65636.821010] [<ffffffff810a0
[65636.821012] [<ffffffff8182e
[65636.821013] [<ffffffff810a0
[65636.821016] INFO: task kworker/u4:3:7843 blocked for more than 120 seconds.
[65636.821017] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.821018] "echo 0 > /proc/sys/
[65636.821019] kworker/u4:3 D ffff8800082abc48 0 7843 2 0x00000000
[65636.821047] Workqueue: btrfs-endio-write btrfs_endio_
[65636.821048] ffff8800082abc48 0000000000000040 ffff8801b51ae400 ffff8801b6a06400
[65636.821050] ffff8800082ac000 ffff8801851941f0 ffff880185194000 ffff8801851941f0
[65636.821051] 0000000000000001 ffff8800082abc60 ffffffff81829ec5 ffff8801b7fc4000
[65636.821053] Call Trace:
[65636.821055] [<ffffffff81829
[65636.821069] [<ffffffffc0170
[65636.821071] [<ffffffff810c3
[65636.821084] [<ffffffffc0172
[65636.821104] [<ffffffffc0172
[65636.821118] [<ffffffffc017b
[65636.821131] [<ffffffffc017b
[65636.821145] [<ffffffffc01a3
[65636.821147] [<ffffffff810ab
[65636.821161] [<ffffffffc01a4
[65636.821163] [<ffffffff8109a
[65636.821165] [<ffffffff8109a
[65636.821167] [<ffffffff8109a
[65636.821168] [<ffffffff8109a
[65636.821170] [<ffffffff810a0
[65636.821171] [<ffffffff810a0
[65636.821173] [<ffffffff8182e
[65636.821175] [<ffffffff810a0
[65636.821176] INFO: task cupsd:7983 blocked for more than 120 seconds.
[65636.821178] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.821179] "echo 0 > /proc/sys/
[65636.821179] cupsd D ffff880005d67d48 0 7983 1 0x00000000
[65636.821195] ffff880005d67d48 0001880000000001 ffff8801b0dc2580 ffff8800bbb86400
[65636.821197] ffff880005d68000 ffff8801851941f0 ffff880185194000 ffff8801851941f0
[65636.821198] 0000000000000001 ffff880005d67d60 ffffffff81829ec5 ffff8801b7fc4000
[65636.821200] Call Trace:
[65636.821202] [<ffffffff81829
[65636.821221] [<ffffffffc0170
[65636.821223] [<ffffffff810c3
[65636.821236] [<ffffffffc0172
[65636.821250] [<ffffffffc0172
[65636.821263] [<ffffffffc017b
[65636.821280] [<ffffffff8121a
[65636.821288] [<ffffffff8138d
[65636.821291] [<ffffffff8121d
[65636.821293] [<ffffffff8121e
[65636.821295] [<ffffffff8182d
[65636.821298] INFO: task kworker/u4:6:8029 blocked for more than 120 seconds.
[65636.821299] Not tainted 4.4.0-36-generic #55-Ubuntu
[65636.821300] "echo 0 > /proc/sys/
[65636.821301] kworker/u4:6 D ffff8800053bfcc8 0 8029 2 0x00000000
[65636.821323] Workqueue: btrfs-extent-refs btrfs_extent_
[65636.821324] ffff8800053bfcc8 ffffffff811908e9 ffff8800bbb86400 ffff8801b51ad780
[65636.821326] ffff8800053c0000 ffff8801851971f0 ffff880185197000 ffff8801851971f0
[65636.821328] 0000000000000001 ffff8800053bfce0 ffffffff81829ec5 ffff8801b7fc4000
[65636.821329] Call Trace:
[65636.821345] [<ffffffff81190
[65636.821348] [<ffffffff81829
[65636.821366] [<ffffffffc0170
[65636.821368] [<ffffffff810c3
[65636.821381] [<ffffffffc0172
[65636.821406] [<ffffffffc0172
[65636.821418] [<ffffffffc015c
[65636.821432] [<ffffffffc01a3
[65636.821446] [<ffffffffc01a4
[65636.821454] [<ffffffff8109a
[65636.821456] [<ffffffff8109a
[65636.821457] [<ffffffff8109a
[65636.821459] [<ffffffff8109a
[65636.821460] [<ffffffff810a0
[65636.821462] [<ffffffff810a0
[65636.821464] [<ffffffff8182e
[65636.821465] [<ffffffff810a0
[78275.687923] cfg80211: World regulatory domain updated:
[78275.687930] cfg80211: DFS Master region: unset
ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: linux-image-
ProcVersionSign
Uname: Linux 4.4.0-36-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.1
Architecture: amd64
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/
CurrentDesktop: MATE
Date: Fri Aug 19 11:16:39 2016
HibernationDevice: RESUME=
InstallationDate: Installed on 2015-08-24 (360 days ago)
InstallationMedia: Ubuntu-Server 15.04 "Vivid Vervet" - Release amd64 (20150422)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
Lsusb:
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
MachineType: QEMU Standard PC (i440FX + PIIX, 1996)
ProcFB: 0 qxldrmfb
ProcKernelCmdLine: BOOT_IMAGE=
RelatedPackageV
linux-
linux-
linux-firmware 1.157.3
RfKill:
SourcePackage: linux
UpgradeStatus: Upgraded to xenial on 2015-10-23 (300 days ago)
dmi.bios.date: 01/01/2011
dmi.bios.vendor: Bochs
dmi.bios.version: Bochs
dmi.chassis.type: 1
dmi.chassis.vendor: Bochs
dmi.modalias: dmi:bvnBochs:
dmi.product.name: Standard PC (i440FX + PIIX, 1996)
dmi.product.
dmi.sys.vendor: QEMU
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