Public bug reported:
Writing data to a 3 TB ext4-formatted logical volume on a 2x6 TB mdadm
raid 1 mirror always results in a GPF within 1 minute of writing the
data. Disks seem to be OK smart-wise.
When the GPF occurs, the md1 raid volume gets degrated, the entire
system gets irresponsive and after the next boot (hard reset), the raid
syncing starts from scratch (which takes 10 hours with the two 6 TB
drives).
The GPF always happens in mpage_process_page_bufs:
Nov 16 09:26:03 nas kernel: [ 230.610495] ------------[ cut here ]------------
Nov 16 09:26:03 nas kernel: [ 230.610510] WARNING: CPU: 1 PID: 1927 at
/build/buildd/linux-3.13.0/kernel/exit.c:711 do_exit+0x55/0xa50()
Nov 16 09:26:03 nas kernel: [ 230.610531] Modules linked in: ip6table_filter
ip6_tables iptable_filter ip_tables ebtable_nat ebtables x_tables
snd_hda_codec_hdmi arc4 bridge stp llc x86_pkg_temp_thermal intel_powerc$
Nov 16 09:26:03 nas kernel: [ 230.610810] CPU: 1 PID: 1927 Comm: vsftpd
Tainted: G D 3.13.0-39-generic #66-Ubuntu
Nov 16 09:26:03 nas kernel: [ 230.610830] Hardware name: Gigabyte Technology
Co., Ltd. H97N-WIFI/H97N-WIFI, BIOS F4 06/28/2014
Nov 16 09:26:03 nas kernel: [ 230.610849] 0000000000000009 ffff8800cb61d9e0
ffffffff8171ece7 0000000000000000
Nov 16 09:26:03 nas kernel: [ 230.610877] ffff8800cb61da18 ffffffff8106773d
000000000000000b ffff8800cb61db38
Nov 16 09:26:03 nas kernel: [ 230.610898] 0000000000000246 0000000000000000
ffff8800cb633000 ffff8800cb61da28
Nov 16 09:26:03 nas kernel: [ 230.610920] Call Trace:
Nov 16 09:26:03 nas kernel: [ 230.610928] [<ffffffff8171ece7>]
dump_stack+0x45/0x56
Nov 16 09:26:03 nas kernel: [ 230.610941] [<ffffffff8106773d>]
warn_slowpath_common+0x7d/0xa0
Nov 16 09:26:03 nas kernel: [ 230.610956] [<ffffffff8106781a>]
warn_slowpath_null+0x1a/0x20
Nov 16 09:26:03 nas kernel: [ 230.610970] [<ffffffff81069a45>]
do_exit+0x55/0xa50
Nov 16 09:26:03 nas kernel: [ 230.610984] [<ffffffff817282b9>]
oops_end+0xa9/0x150
Nov 16 09:26:03 nas kernel: [ 230.610997] [<ffffffff810171cb>] die+0x4b/0x70
Nov 16 09:26:03 nas kernel: [ 230.611008] [<ffffffff81727c4e>]
do_general_protection+0x11e/0x1b0
Nov 16 09:26:03 nas kernel: [ 230.611024] [<ffffffff81727568>]
general_protection+0x28/0x30
Nov 16 09:26:03 nas kernel: [ 230.611039] [<ffffffff8123e0b8>] ?
mpage_process_page_bufs+0x38/0x130
Nov 16 09:26:03 nas kernel: [ 230.611055] [<ffffffff8123f0e9>]
mpage_prepare_extent_to_map+0x219/0x2c0
Nov 16 09:26:03 nas kernel: [ 230.611071] [<ffffffff81242ef2>]
ext4_writepages+0x3f2/0xd20
Nov 16 09:26:03 nas kernel: [ 230.611086] [<ffffffff8115a9be>]
do_writepages+0x1e/0x40
Nov 16 09:26:03 nas kernel: [ 230.611101] [<ffffffff8114fac9>]
__filemap_fdatawrite_range+0x59/0x60
Nov 16 09:26:03 nas kernel: [ 230.611117] [<ffffffff8114fb7c>]
filemap_flush+0x1c/0x20
Nov 16 09:26:03 nas kernel: [ 230.611130] [<ffffffff81240928>]
ext4_alloc_da_blocks+0x38/0x70
Nov 16 09:26:03 nas kernel: [ 230.611156] [<ffffffff81239e89>]
ext4_release_file+0x79/0xc0
Nov 16 09:26:03 nas kernel: [ 230.611171] [<ffffffff811bed84>]
__fput+0xe4/0x260
Nov 16 09:26:03 nas kernel: [ 230.611184] [<ffffffff811bef4e>]
____fput+0xe/0x10
Nov 16 09:26:03 nas kernel: [ 230.611197] [<ffffffff81088227>]
task_work_run+0xa7/0xe0
Nov 16 09:26:03 nas kernel: [ 230.611210] [<ffffffff81013df7>]
do_notify_resume+0x97/0xb0
Nov 16 09:26:03 nas kernel: [ 230.611225] [<ffffffff8172faaa>]
int_signal+0x12/0x17
Nov 16 09:26:03 nas kernel: [ 230.612259] ---[ end trace c2c7ff1f119c2b75 ]---
----------------------------------------------------------------------------------------
apt-cache policy e2fslibs:amd64
e2fslibs:
Installed: 1.42.9-3ubuntu1
Candidate: 1.42.9-3ubuntu1
Version table:
*** 1.42.9-3ubuntu1 0
500 http://ch.archive.ubuntu.com/ubuntu/ trusty/main amd64 Packages
100 /var/lib/dpkg/status
----------------------------------------------------------------------------------------
smartctl -H /dev/sdc
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-39-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
smartctl -H /dev/sdc
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-39-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
smartctl -H /dev/sdd
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-39-generic] (local build)
Copyright (C) 2002-13, Bruce Allen, Christian Franke, www.smartmontools.org
=== START OF READ SMART DATA SECTION ===
SMART overall-health self-assessment test result: PASSED
----------------------------------------------------------------------------------------
/dev/md1:
Version : 1.2
Creation Time : Sat Nov 15 20:27:36 2014
Raid Level : raid1
Array Size : 5860389696 (5588.90 GiB 6001.04 GB)
Used Dev Size : 5860389696 (5588.90 GiB 6001.04 GB)
Raid Devices : 2
Total Devices : 2
Persistence : Superblock is persistent
Intent Bitmap : Internal
Update Time : Sun Nov 16 09:15:47 2014
State : active
Active Devices : 2
Working Devices : 2
Failed Devices : 0
Spare Devices : 0
Name : nas:1 (local to host nas)
UUID : 035d6d6e:d213adb0:56b6b6d8:d0cf202c
Events : 155
Number Major Minor RaidDevice State
0 8 33 0 active sync /dev/sdc1
1 8 49 1 active sync /dev/sdd1
----------------------------------------------------------------------------------------
--- Physical volume ---
PV Name /dev/md1
VG Name vg_hdd1
PV Size 5.46 TiB / not usable 4.81 MiB
Allocatable yes
PE Size 4.00 MiB
Total PE 1430758
Free PE 644326
Allocated PE 786432
PV UUID M0yvqu-vnTR-lNVg-nxRL-CSzK-hVCD-DDWcet
----------------------------------------------------------------------------------------
--- Volume group ---
VG Name vg_hdd1
System ID
Format lvm2
Metadata Areas 1
Metadata Sequence No 2
VG Access read/write
VG Status resizable
MAX LV 0
Cur LV 1
Open LV 0
Max PV 0
Cur PV 1
Act PV 1
VG Size 5.46 TiB
PE Size 4.00 MiB
Total PE 1430758
Alloc PE / Size 786432 / 3.00 TiB
Free PE / Size 644326 / 2.46 TiB
VG UUID MVW4e0-oeYT-RKPp-j2E9-7RT2-WBjt-Zof2Nn
----------------------------------------------------------------------------------------
--- Logical volume ---
LV Path /dev/vg_hdd1/lv_share
LV Name lv_share
VG Name vg_hdd1
LV UUID VhywGd-c3kY-IXRd-SomS-ypAe-a4rg-5oQKKE
LV Write Access read/write
LV Creation host, time nas, 2014-11-16 09:17:51 +0100
LV Status available
# open 0
LV Size 3.00 TiB
Current LE 786432
Segments 1
Allocation inherit
Read ahead sectors auto
- currently set to 256
Block device 252:4
----------------------------------------------------------------------------------------
lshw -short
H/W path Device Class Description
====================================================
system H97N-WIFI (To be filled by O.E.M.)
/0 bus H97N-WIFI
/0/0 memory 64KiB BIOS
/0/3d processor Intel(R) Core(TM) i3-4160 CPU @ 3.60GHz
/0/3d/3e memory 128KiB L1 cache
/0/3d/3f memory 512KiB L2 cache
/0/3d/40 memory 3MiB L3 cache
/0/42 memory 8GiB System Memory
/0/42/0 memory 4GiB DIMM DDR3 Synchronous 1600 MHz
(0.6 ns)
/0/42/1 memory DIMM [empty]
/0/42/2 memory 4GiB DIMM DDR3 Synchronous 1600 MHz
(0.6 ns)
/0/42/3 memory DIMM [empty]
/0/100 bridge 4th Gen Core Processor DRAM Controller
/0/100/2 display Intel Corporation
/0/100/3 multimedia Xeon E3-1200 v3/4th Gen Core Processor
HD Audio Controller
/0/100/14 bus Intel Corporation
/0/100/16 communication Intel Corporation
/0/100/19 eth1 network Ethernet Connection I217-V
/0/100/1a bus Intel Corporation
/0/100/1b multimedia Intel Corporation
/0/100/1c bridge Intel Corporation
/0/100/1c.3 bridge Intel Corporation
/0/100/1c.3/0 eth0 network AR8161 Gigabit Ethernet
/0/100/1c.4 bridge Intel Corporation
/0/100/1c.4/0 wlan0 network Wireless 7260
/0/100/1d bus Intel Corporation
/0/100/1f bridge Intel Corporation
/0/100/1f.2 storage Intel Corporation
/0/100/1f.3 bus Intel Corporation
/0/1 scsi1 storage
/0/1/0.0.0 /dev/sda disk 120GB INTEL SSDSC2CT12
/0/1/0.0.0/1 /dev/sda1 volume 510MiB Windows FAT volume
/0/1/0.0.0/2 /dev/sda2 volume 111GiB RAID partition
/0/2 scsi3 storage
/0/2/0.0.0 /dev/sdb disk 120GB INTEL SSDSC2CT12
/0/2/0.0.0/1 /dev/sdb1 volume 510MiB Windows FAT volume
/0/2/0.0.0/2 /dev/sdb2 volume 111GiB RAID partition
/0/3 scsi4 storage
/0/3/0.0.0 /dev/sdc disk 6001GB WDC WD60EFRX-68M
/0/3/0.0.0/1 /dev/sdc1 volume 5589GiB RAID partition
/0/4 scsi5 storage
/0/4/0.0.0 /dev/sdd disk 6001GB WDC WD60EFRX-68M
/0/4/0.0.0/1 /dev/sdd1 volume 5589GiB RAID partition
/1 power To Be Filled By O.E.M.
----------------------------------------------------------------------------------------
Linux nas 3.13.0-39-generic #66-Ubuntu SMP Tue Oct 28 13:30:27 UTC 2014
x86_64 x86_64 x86_64 GNU/Linux
Description: Ubuntu 14.04.1 LTS
Release: 14.04
** Affects: e2fsprogs (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1393151
Title:
Writing to ext4 LVM FS causes GPF in mpage_process_page_bufs
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