Comment #6 indicates this is no longer an issue. Marking invalid.
** Changed in: linux (Ubuntu)
Status: Confirmed => Invalid
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https://bugs.launchpad.net/bugs/1353377
Title:
ISST-KVM-UBUNTU1410-LE:kidkvm:ubuntu guest crash running IO stress
tests.
Status in “linux” package in Ubuntu:
Invalid
Bug description:
Problem Description
---------------------------------
ubuntu guest crash running IO stress tests.
uname output
-----------------------------
uname -a Linux kidg1 3.16.0-6-generic #11-Ubuntu SMP Mon Jul 28 02:00:45 UTC
2014 ppc64le ppc64le ppc64le GNU/Linux
System Hang
------------------------
System hangs/crashed .
Steps to reproduce
--------------------------------
1) Used below XML to define the guest
[root@kidkvm ~]# virsh dumpxml kidg1
<domain type='kvm' id='28'>
<name>kidg1</name>
<uuid>86748b80-a84b-4c70-b1b3-d2a23d88c7ab</uuid>
<memory unit='KiB'>4194304</memory>
<currentMemory unit='KiB'>4194304</currentMemory>
<vcpu placement='static'>4</vcpu>
<cputune>
<vcpupin vcpu='0' cpuset='0,8'/>
<vcpupin vcpu='1' cpuset='24,32'/>
<vcpupin vcpu='2' cpuset='0,40'/>
</cputune>
<numatune>
<memory mode='strict' nodeset='0'/>
</numatune>
<resource>
<partition>/machine</partition>
</resource>
<os>
<type arch='ppc64' machine='pseries'>hvm</type>
<boot dev='hd'/>
<bootmenu enable='yes'/>
</os>
<features>
<acpi/>
<apic/>
</features>
<cpu mode='custom' match='exact'>
<model fallback='allow'>power8</model>
<topology sockets='1' cores='2' threads='2'/>
</cpu>
<clock offset='utc'/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/bin/qemu-system-ppc64</emulator>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/kidg1_GTOdisk/kidg1-1a.img'/>
<target dev='sda' bus='scsi'/>
<alias name='scsi0-0-0-0'/>
<address type='drive' controller='0' bus='0' target='0' unit='0'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/kidg1_SRAID1/kidg1-1SR.img'/>
<target dev='sdb' bus='scsi'/>
<alias name='scsi0-0-0-1'/>
<address type='drive' controller='0' bus='0' target='0' unit='1'/>
</disk>
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2' cache='none'/>
<source file='/kidg1_SRAID1/kidg1-2SR.img'/>
<target dev='vda' bus='virtio'/>
<alias name='virtio-disk0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</disk>
<controller type='usb' index='0'>
<alias name='usb0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x02'
function='0x0'/>
</controller>
<controller type='pci' index='0' model='pci-root'>
<alias name='pci.0'/>
</controller>
<controller type='scsi' index='0'>
<alias name='scsi0'/>
<address type='spapr-vio' reg='0x2000'/>
</controller>
<interface type='bridge'>
<mac address='52:54:00:f2:d3:e2'/>
<source bridge='brenP3p5s0f0'/>
<target dev='vnet3'/>
<model type='virtio'/>
<driver name='qemu'/>
<alias name='net0'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x01'
function='0x0'/>
</interface>
<serial type='pty'>
<source path='/dev/pts/1'/>
<target port='0'/>
<alias name='serial0'/>
<address type='spapr-vio' reg='0x30000000'/>
</serial>
<console type='pty' tty='/dev/pts/1'>
<source path='/dev/pts/1'/>
<target type='serial' port='0'/>
<alias name='serial0'/>
<address type='spapr-vio' reg='0x30000000'/>
</console>
<video>
<model type='vga' vram='9216' heads='1'/>
<alias name='video0'/>
</video>
<memballoon model='none'>
<alias name='balloon0'/>
</memballoon>
</devices>
<seclabel type='none' model='selinux'/>
</domain>
2) Defined guest xml and started console to start the installation.
3) Installation succeded.
4) Guest is up and running as below
[root@magkvm ~]# virsh list --all
Id Name State
----------------------------------------------------
26 kidg1 running
5) Initiated IO and BASE stress tests using LE scripts
6) Stress tests running
root@kidg1:~# slj
STAF running status:
Job ID Job Name Start Date-Time
------ -------- -----------------
1 IO 20140731-21:59:41
2 BASE 20140731-21:59:58
7) After 72 hours , tried to login kidg1 guest and it fails as below
[root@kidkvm ~]# ssh root@kidg1
ssh: connect to host kidg1 port 22: No route to host
[root@kidkvm ~]
8) Verified ping test and it failed
[root@kidkvm ~]# ping kidg1
PING kidg1.isst.aus.stglabs.ibm.com (10.33.4.124) 56(84) bytes of data.
From kidkvm.isst.aus.stglabs.ibm.com (10.33.18.47) icmp_seq=1 Destination
Host U nreachable
From kidkvm.isst.aus.stglabs.ibm.com (10.33.18.47) icmp_seq=2 Destination
Host U nreachable
From kidkvm.isst.aus.stglabs.ibm.com (10.33.18.47) icmp_seq=5 Destination
Host U nreachable
From kidkvm.isst.aus.stglab
9) Tried to login the console using below command
[root@kidkvm ~]# virsh console --force kidg1
Connected to domain kidg1
--> It hangs for a long time
10) Verified logs on kidkvm host and did not see any errors
11) Restarted the guest, kidg1 by destroying it.
12) Seen Stack Traces in /var/log/syslog file on kidg1 guest as below
Aug 1 06:47:09 kidg1 kernel: [69250.533913] zram0: detected capacity change
from 536870912 to 0
13 Aug 1 06:47:43 kidg1 kernel: [69284.609537] ------------[ cut here
]------------
14 Aug 1 06:47:43 kidg1 kernel: [69284.609802] WARNING: at
/build/buildd/linux-3.16.0/block/blk-mq.c:727
15 Aug 1 06:47:43 kidg1 kernel: [69284.610298] Modules linked in:
lz4_compress rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd sunrpc
fscache bochs_drm ttm drm_kms_helper drm syscopy
area sysfillrect pseries_rng sysimgblt rtc_generic ohci_pci [last
unloaded: zram]
16 Aug 1 06:47:43 kidg1 kernel: [69284.611757] CPU: 1 PID: 15 Comm:
kworker/1:0H Not tainted 3.16.0-6-generic #11-Ubuntu
17 Aug 1 06:47:43 kidg1 kernel: [69284.611950] Workqueue: kblockd
blk_mq_run_work_fn
18 Aug 1 06:47:43 kidg1 kernel: [69284.612110] task: c0000000fc9f6830
ti: c0000000fcbc4000 task.ti: c0000000fcbc4000
19 Aug 1 06:47:43 kidg1 kernel: [69284.612363] NIP: c0000000004acc18
LR: c0000000000c1eec CTR: c0000000004ad220
20 Aug 1 06:47:43 kidg1 kernel: [69284.612536] REGS: c0000000fcbc7900
TRAP: 0700 Not tainted (3.16.0-6-generic)
21 Aug 1 06:47:43 kidg1 kernel: [69284.612725] MSR: 8000000100029033
<SF,EE,ME,IR,DR,RI,LE> CR: 22002044 XER: 00000000
22 Aug 1 06:47:43 kidg1 kernel: [69284.613198] CFAR: c0000000004ad258
SOFTE: 1
23 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR00: c0000000000c1eec
c0000000fcbc7b80 c000000001346618 c0000000f9e99000
24 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR04: 0000000000000060
0000000000000000 00003aa318b68523 e1fc185ab7c99088
25 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR08: c0000000f9e99188
0000000000000001 0000000000000005 00000000ffffffff
26 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR12: 0000000000002200
c00000000fe40380 c0000000000cbb28 c0000000fe063640
27 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR16: 0000000000000001
c0000000fb1cf300 c000000001758460 c000000001758580
28 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR20: c000000001758198
c000000001758180 c0000000f9ef3e00 0000000000000001
29 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR24: c0000000012ac344
fffffffffffffef7 0000000000000000 c0000000fcbc7be0
30 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR28: c0000000f9e99000
0000000000000000 c0000000fc910900 c0000000f9e99088
31 Aug 1 06:47:43 kidg1 kernel: [69284.616021] NIP [c0000000004acc18]
__blk_mq_run_hw_queue+0x88/0x460
32 Aug 1 06:47:43 kidg1 kernel: [69284.616188] LR [c0000000000c1eec]
process_one_work+0x1ac/0x4c0
33 Aug 1 06:47:43 kidg1 kernel: [69284.616350] Call Trace:
34 Aug 1 06:47:43 kidg1 kernel: [69284.616436] [c0000000fcbc7b80]
[0000000000000008] 0x8 (unreliable)
35 Aug 1 06:47:43 kidg1 kernel: [69284.616819] [c0000000fcbc7c50]
[c0000000000c1eec] process_one_work+0x1ac/0x4c0
36 Aug 1 06:47:43 kidg1 kernel: [69284.617297] [c0000000fcbc7ce0]
[c0000000000c2780] worker_thread+0x190/0x640
37 Aug 1 06:47:43 kidg1 kernel: [69284.617585] [c0000000fcbc7d80]
[c0000000000cbc30] kthread+0x110/0x130
38 Aug 1 06:47:43 kidg1 kernel: [69284.617789] [c0000000fcbc7e30]
[c00000000000a3e8] ret_from_kernel_thread+0x5c/0x74
39 Aug 1 06:47:43 kidg1 kernel: [69284.618112] Instruction dump:
40 Aug 1 06:47:43 kidg1 kernel: [69284.618211] fb610068 391c0188
eadc0298 fb610060 a12d0008 792ad182 552906be 794a1f24
41 Aug 1 06:47:43 kidg1 kernel: [69284.618541] 7d48502a 7d494c36
552907fe 69290001 <0b090000> e93c0080 792a07e1 40c202e0
42 Aug 1 06:47:43 kidg1 kernel: [69284.618931] ---[ end trace
c84eabc01b1b3dee ]---
43 Aug 1 06:50:59 kidg1 kernel: [69480.323014] INFO: task
irqbalance:904 blocked for more than 120 seconds.
44 Aug 1 06:50:59 kidg1 kernel: [69480.323223] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
45 Aug 1 06:50:59 kidg1 kernel: [69480.323402] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
46 Aug 1 06:50:59 kidg1 kernel: [69480.323694] irqbalance D
00003fff883a9e0c 0 904 1 0x00040000
47 Aug 1 06:50:59 kidg1 kernel: [69480.324060] Call Trace:
48 Aug 1 06:50:59 kidg1 kernel: [69480.324283] [c000000003a1b640]
[0000000000000001] 0x1 (unreliable)
49 Aug 1 06:50:59 kidg1 kernel: [69480.324430] [c000000003a1b810]
[c000000000016188] __switch_to+0x208/0x350
50 Aug 1 06:50:59 kidg1 kernel: [69480.324813] [c000000003a1b870]
[c0000000009b26f0] __schedule+0x320/0x8e0
51 Aug 1 06:50:59 kidg1 kernel: [69480.324961] --- Exception: 1000b8b0
at 0x1
52 Aug 1 06:50:59 kidg1 kernel: [69480.324961] LR = 0x1002de704b0
53 Aug 1 06:50:59 kidg1 kernel: [69480.325120] [c000000003a1ba90]
[c0000000009b3350] schedule_preempt_disabled+0x20/0x30 (unreliable)
54 Aug 1 06:50:59 kidg1 kernel: [69480.325327] [c000000003a1bab0]
[c0000000009b56ac] __mutex_lock_slowpath+0x10c/0x2c0
55 Aug 1 06:50:59 kidg1 kernel: [69480.325592] [c000000003a1bb30]
[c0000000009b58cc] mutex_lock+0x6c/0x70
56 Aug 1 06:50:59 kidg1 kernel: [69480.325836] [c000000003a1bb60]
[c00000000060a8dc] online_show+0x3c/0x90
57 Aug 1 06:50:59 kidg1 kernel: [69480.325998] [c000000003a1bbe0]
[c00000000060b43c] dev_attr_show+0x5c/0xc0
58 Aug 1 06:50:59 kidg1 kernel: [69480.326161] [c000000003a1bc20]
[c0000000003300c4] sysfs_kf_seq_show+0x114/0x200
59 Aug 1 06:50:59 kidg1 kernel: [69480.326455] [c000000003a1bc70]
[c00000000032db04] kernfs_seq_show+0x54/0x70
60 Aug 1 06:50:59 kidg1 kernel: [69480.326616] [c000000003a1bca0]
[c0000000002be51c] seq_read+0xec/0x500
61 Aug 1 06:50:59 kidg1 kernel: [69480.326778] [c000000003a1bd40]
[c00000000032ee94] kernfs_fop_read+0x184/0x210
62 Aug 1 06:50:59 kidg1 kernel: [69480.326939] [c000000003a1bd90]
[c00000000028c0c0] vfs_read+0xc0/0x200
63 Aug 1 06:50:59 kidg1 kernel: [69480.327119] [c000000003a1bde0]
[c00000000028cf6c] SyS_read+0x6c/0x110
64 Aug 1 06:50:59 kidg1 kernel: [69480.327311] [c000000003a1be30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
65 Aug 1 06:50:59 kidg1 kernel: [69480.327505] INFO: task
kworker/2:0:23287 blocked for more than 120 seconds.
66 Aug 1 06:50:59 kidg1 kernel: [69480.327793] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
67 Aug 1 06:50:59 kidg1 kernel: [69480.327972] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
68 Aug 1 06:50:59 kidg1 kernel: [69480.328125] kworker/2:0 D
0000000000000000 0 23287 2 0x00000800
69 Aug 1 06:50:59 kidg1 kernel: [69480.328287] Workqueue: events
cpuset_hotplug_workfn
== Comment: #2 - Vaishnavi Bhat <vaish...@in.ibm.com> - ==
From the traces looks like the aio-stress test is leading to the traces.
4 Aug 1 06:47:43 kidg1 kernel: [69284.609802] WARNING: at
/build/buildd/linux-3.16.0/block/blk-mq.c:727
15 Aug 1 06:47:43 kidg1 kernel: [69284.610298] Modules linked in:
lz4_compress rpcsec_gss_krb5 nfsv4 nfsd auth_rpcgss nfs_acl nfs lockd sunrpc
fscache bochs_drm ttm drm_kms_helper drm syscopy area sysfillrect
pseries_rng sysimgblt rtc_generic ohci_pci [last unloaded: zram]
16 Aug 1 06:47:43 kidg1 kernel: [69284.611757] CPU: 1 PID: 15 Comm:
kworker/1:0H Not tainted 3.16.0-6-generic #11-Ubuntu
17 Aug 1 06:47:43 kidg1 kernel: [69284.611950] Workqueue: kblockd
blk_mq_run_work_fn
18 Aug 1 06:47:43 kidg1 kernel: [69284.612110] task: c0000000fc9f6830
ti: c0000000fcbc4000 task.ti: c0000000fcbc4000
19 Aug 1 06:47:43 kidg1 kernel: [69284.612363] NIP: c0000000004acc18
LR: c0000000000c1eec CTR: c0000000004ad220
20 Aug 1 06:47:43 kidg1 kernel: [69284.612536] REGS: c0000000fcbc7900
TRAP: 0700 Not tainted (3.16.0-6-generic)
21 Aug 1 06:47:43 kidg1 kernel: [69284.612725] MSR: 8000000100029033
<SF,EE,ME,IR,DR,RI,LE> CR: 22002044 XER: 00000000
22 Aug 1 06:47:43 kidg1 kernel: [69284.613198] CFAR: c0000000004ad258
SOFTE: 1
23 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR00: c0000000000c1eec
c0000000fcbc7b80 c000000001346618 c0000000f9e99000
24 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR04: 0000000000000060
0000000000000000 00003aa318b68523 e1fc185ab7c99088
25 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR08: c0000000f9e99188
0000000000000001 0000000000000005 00000000ffffffff
26 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR12: 0000000000002200
c00000000fe40380 c0000000000cbb28 c0000000fe063640
27 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR16: 0000000000000001
c0000000fb1cf300 c000000001758460 c000000001758580
28 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR20: c000000001758198
c000000001758180 c0000000f9ef3e00 0000000000000001
29 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR24: c0000000012ac344
fffffffffffffef7 0000000000000000 c0000000fcbc7be0
30 Aug 1 06:47:43 kidg1 kernel: [69284.613198] GPR28: c0000000f9e99000
0000000000000000 c0000000fc910900 c0000000f9e99088
31 Aug 1 06:47:43 kidg1 kernel: [69284.616021] NIP [c0000000004acc18]
__blk_mq_run_hw_queue+0x88/0x460
32 Aug 1 06:47:43 kidg1 kernel: [69284.616188] LR [c0000000000c1eec]
process_one_work+0x1ac/0x4c0
33 Aug 1 06:47:43 kidg1 kernel: [69284.616350] Call Trace:
34 Aug 1 06:47:43 kidg1 kernel: [69284.616436] [c0000000fcbc7b80]
[0000000000000008] 0x8 (unreliable)
35 Aug 1 06:47:43 kidg1 kernel: [69284.616819] [c0000000fcbc7c50]
[c0000000000c1eec] process_one_work+0x1ac/0x4c0
36 Aug 1 06:47:43 kidg1 kernel: [69284.617297] [c0000000fcbc7ce0]
[c0000000000c2780] worker_thread+0x190/0x640
37 Aug 1 06:47:43 kidg1 kernel: [69284.617585] [c0000000fcbc7d80]
[c0000000000cbc30] kthread+0x110/0x130
38 Aug 1 06:47:43 kidg1 kernel: [69284.617789] [c0000000fcbc7e30]
[c00000000000a3e8] ret_from_kernel_thread+0x5c/0x74
39 Aug 1 06:47:43 kidg1 kernel: [69284.618112] Instruction dump:
40 Aug 1 06:47:43 kidg1 kernel: [69284.618211] fb610068 391c0188
eadc0298 fb610060 a12d0008 792ad182 552906be 794a1f24
41 Aug 1 06:47:43 kidg1 kernel: [69284.618541] 7d48502a 7d494c36
552907fe 69290001 <0b090000> e93c0080 792a07e1 40c202e0
42 Aug 1 06:47:43 kidg1 kernel: [69284.618931] ---[ end trace
c84eabc01b1b3dee ]---
43 Aug 1 06:50:59 kidg1 kernel: [69480.323014] INFO: task
irqbalance:904 blocked for more than 120 seconds.
44 Aug 1 06:50:59 kidg1 kernel: [69480.323223] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
45 Aug 1 06:50:59 kidg1 kernel: [69480.323402] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
46 Aug 1 06:50:59 kidg1 kernel: [69480.323694] irqbalance D
00003fff883a9e0c 0 904 1 0x00040000
47 Aug 1 06:50:59 kidg1 kernel: [69480.324060] Call Trace:
48 Aug 1 06:50:59 kidg1 kernel: [69480.324283] [c000000003a1b640]
[0000000000000001] 0x1 (unreliable)
49 Aug 1 06:50:59 kidg1 kernel: [69480.324430] [c000000003a1b810]
[c000000000016188] __switch_to+0x208/0x350
50 Aug 1 06:50:59 kidg1 kernel: [69480.324813] [c000000003a1b870]
[c0000000009b26f0] __schedule+0x320/0x8e0
51 Aug 1 06:50:59 kidg1 kernel: [69480.324961] --- Exception: 1000b8b0
at 0x1
52 Aug 1 06:50:59 kidg1 kernel: [69480.324961] LR = 0x1002de704b0
53 Aug 1 06:50:59 kidg1 kernel: [69480.325120] [c000000003a1ba90]
[c0000000009b3350] schedule_preempt_disabled+0x20/0x30 (unreliable)
54 Aug 1 06:50:59 kidg1 kernel: [69480.325327] [c000000003a1bab0]
[c0000000009b56ac] __mutex_lock_slowpath+0x10c/0x2c0
55 Aug 1 06:50:59 kidg1 kernel: [69480.325592] [c000000003a1bb30]
[c0000000009b58cc] mutex_lock+0x6c/0x70
56 Aug 1 06:50:59 kidg1 kernel: [69480.325836] [c000000003a1bb60]
[c00000000060a8dc] online_show+0x3c/0x90
57 Aug 1 06:50:59 kidg1 kernel: [69480.325998] [c000000003a1bbe0]
[c00000000060b43c] dev_attr_show+0x5c/0xc0
58 Aug 1 06:50:59 kidg1 kernel: [69480.326161] [c000000003a1bc20]
[c0000000003300c4] sysfs_kf_seq_show+0x114/0x200
59 Aug 1 06:50:59 kidg1 kernel: [69480.326455] [c000000003a1bc70]
[c00000000032db04] kernfs_seq_show+0x54/0x70
60 Aug 1 06:50:59 kidg1 kernel: [69480.326616] [c000000003a1bca0]
[c0000000002be51c] seq_read+0xec/0x500
61 Aug 1 06:50:59 kidg1 kernel: [69480.326778] [c000000003a1bd40]
[c00000000032ee94] kernfs_fop_read+0x184/0x210
62 Aug 1 06:50:59 kidg1 kernel: [69480.326939] [c000000003a1bd90]
[c00000000028c0c0] vfs_read+0xc0/0x200
63 Aug 1 06:50:59 kidg1 kernel: [69480.327119] [c000000003a1bde0]
[c00000000028cf6c] SyS_read+0x6c/0x110
64 Aug 1 06:50:59 kidg1 kernel: [69480.327311] [c000000003a1be30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
65 Aug 1 06:50:59 kidg1 kernel: [69480.327505] INFO: task
kworker/2:0:23287 blocked for more than 120 seconds.
66 Aug 1 06:50:59 kidg1 kernel: [69480.327793] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
67 Aug 1 06:50:59 kidg1 kernel: [69480.327972] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
68 Aug 1 06:50:59 kidg1 kernel: [69480.328125] kworker/2:0 D
0000000000000000 0 23287 2 0x00000800
69 Aug 1 06:50:59 kidg1 kernel: [69480.328287] Workqueue: events
cpuset_hotplug_workfn
70 Aug 1 06:50:59 kidg1 kernel: [69480.329595] Call Trace:
71 Aug 1 06:50:59 kidg1 kernel: [69480.329656] [c0000000034835a0]
[00000001010707c6] 0x1010707c6 (unreliable)
72 Aug 1 06:50:59 kidg1 kernel: [69480.329827] [c000000003483770]
[c000000000016188] __switch_to+0x208/0x350
73 Aug 1 06:50:59 kidg1 kernel: [69480.330085] [c0000000034837d0]
[c0000000009b26f0] __schedule+0x320/0x8e0
74 Aug 1 06:50:59 kidg1 kernel: [69480.330277] [c0000000034839f0]
[c0000000009b3350] schedule_preempt_disabled+0x20/0x30
75 Aug 1 06:50:59 kidg1 kernel: [69480.330477] [c000000003483a10]
[c0000000009b56ac] __mutex_lock_slowpath+0x10c/0x2c0
76 Aug 1 06:50:59 kidg1 kernel: [69480.330857] [c000000003483a90]
[c0000000009b58cc] mutex_lock+0x6c/0x70
77 Aug 1 06:50:59 kidg1 kernel: [69480.331044] [c000000003483ac0]
[c00000000009a080] get_online_cpus+0x50/0x90
78 Aug 1 06:50:59 kidg1 kernel: [69480.331291] [c000000003483af0]
[c00000000015d950] rebuild_sched_domains_locked+0x20/0x80
79 Aug 1 06:50:59 kidg1 kernel: [69480.331483] [c000000003483b20]
[c00000000015ff28] rebuild_sched_domains+0x38/0x60
80 Aug 1 06:50:59 kidg1 kernel: [69480.331677] [c000000003483b50]
[c0000000001604d8] cpuset_hotplug_workfn+0x588/0x680
81 Aug 1 06:50:59 kidg1 kernel: [69480.331924] [c000000003483c50]
[c0000000000c1eec] process_one_work+0x1ac/0x4c0
82 Aug 1 06:50:59 kidg1 kernel: [69480.332145] [c000000003483ce0]
[c0000000000c2780] worker_thread+0x190/0x640
83 Aug 1 06:50:59 kidg1 kernel: [69480.332390] [c000000003483d80]
[c0000000000cbc30] kthread+0x110/0x130
84 Aug 1 06:50:59 kidg1 kernel: [69480.333312] [c000000003483e30]
[c00000000000a3e8] ret_from_kernel_thread+0x5c/0x74
85 Aug 1 06:50:59 kidg1 kernel: [69480.333508] INFO: task
kworker/0:0:3039 blocked for more than 120 seconds.
86 Aug 1 06:50:59 kidg1 kernel: [69480.333879] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
87 Aug 1 06:50:59 kidg1 kernel: [69480.334043] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
88 Aug 1 06:50:59 kidg1 kernel: [69480.334279] kworker/0:0 D
0000000000000000 0 3039 2 0x00000800
89 Aug 1 06:50:59 kidg1 kernel: [69480.334462] Workqueue: events
rtas_event_scan
90 Aug 1 06:50:59 kidg1 kernel: [69480.334664] Call Trace:
91 Aug 1 06:50:59 kidg1 kernel: [69480.334700] [c0000000133b3680]
[c0000000133b3890] 0xc0000000133b3890 (unreliable)
92 Aug 1 06:50:59 kidg1 kernel: [69480.334816] [c0000000133b3850]
[c000000000016188] __switch_to+0x208/0x350
93 Aug 1 06:50:59 kidg1 kernel: [69480.335104] [c0000000133b38b0]
[c0000000009b26f0] __schedule+0x320/0x8e0
94 Aug 1 06:50:59 kidg1 kernel: [69480.335336] [c0000000133b3ad0]
[c0000000009b3350] schedule_preempt_disabled+0x20/0x30
95 Aug 1 06:50:59 kidg1 kernel: [69480.335537] [c0000000133b3af0]
[c0000000009b56ac] __mutex_lock_slowpath+0x10c/0x2c0
96 Aug 1 06:50:59 kidg1 kernel: [69480.335900] [c0000000133b3b70]
[c0000000009b58cc] mutex_lock+0x6c/0x70
97 Aug 1 06:50:59 kidg1 kernel: [69480.336125] [c0000000133b3ba0]
[c00000000009a080] get_online_cpus+0x50/0x90
98 Aug 1 06:50:59 kidg1 kernel: [69480.336301] [c0000000133b3bd0]
[c00000000002ebf8] rtas_event_scan+0x98/0x2c0
99 Aug 1 06:50:59 kidg1 kernel: [69480.336654] [c0000000133b3c50]
[c0000000000c1eec] process_one_work+0x1ac/0x4c0
100 Aug 1 06:50:59 kidg1 kernel: [69480.336761] [c0000000133b3ce0]
[c0000000000c2780] worker_thread+0x190/0x640
101 Aug 1 06:50:59 kidg1 kernel: [69480.336948] [c0000000133b3d80]
[c0000000000cbc30] kthread+0x110/0x130
102 Aug 1 06:50:59 kidg1 kernel: [69480.337124] [c0000000133b3e30]
[c00000000000a3e8] ret_from_kernel_thread+0x5c/0x74
103 Aug 1 06:50:59 kidg1 kernel: [69480.337339] INFO: task
aio-stress:19430 blocked for more than 120 seconds.
104 Aug 1 06:50:59 kidg1 kernel: [69480.338021] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
105 Aug 1 06:50:59 kidg1 kernel: [69480.338369] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
106 Aug 1 06:50:59 kidg1 kernel: [69480.338543] aio-stress D
00003fff8b270768 0 19430 3891 0x00040000
107 Aug 1 06:50:59 kidg1 kernel: [69480.338754] Call Trace:
108 Aug 1 06:50:59 kidg1 kernel: [69480.338817] [c00000001c54f3e0]
[c00000001c54f470] 0xc00000001c54f470 (unreliable)
109 Aug 1 06:50:59 kidg1 kernel: [69480.339062] [c00000001c54f5b0]
[c000000000016188] __switch_to+0x208/0x350
110 Aug 1 06:50:59 kidg1 kernel: [69480.339305] [c00000001c54f610]
[c0000000009b26f0] __schedule+0x320/0x8e0
111 Aug 1 06:50:59 kidg1 kernel: [69480.339646] [c00000001c54f830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
112 Aug 1 06:50:59 kidg1 kernel: [69480.339863] [c00000001c54f8c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
113 Aug 1 06:50:59 kidg1 kernel: [69480.340226] [c00000001c54f900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
114 Aug 1 06:50:59 kidg1 kernel: [69480.340469] [c00000001c54f930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
115 Aug 1 06:50:59 kidg1 kernel: [69480.341180] [c00000001c54f960]
[c000000000343f14] ext4_write_begin+0x154/0x540
116 Aug 1 06:50:59 kidg1 kernel: [69480.342812] [c00000001c54fa40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
117 Aug 1 06:50:59 kidg1 kernel: [69480.343429] [c00000001c54fae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
118 Aug 1 06:50:59 kidg1 kernel: [69480.344019] [c00000001c54fb40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
119 Aug 1 06:50:59 kidg1 kernel: [69480.344455] [c00000001c54fc00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
120 Aug 1 06:50:59 kidg1 kernel: [69480.344748] [c00000001c54fcf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
121 Aug 1 06:50:59 kidg1 kernel: [69480.344993] [c00000001c54fe30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
122 Aug 1 06:50:59 kidg1 kernel: [69480.345175] INFO: task
aio-stress:19431 blocked for more than 120 seconds.
123 Aug 1 06:50:59 kidg1 kernel: [69480.345457] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
124 Aug 1 06:50:59 kidg1 kernel: [69480.345602] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
125 Aug 1 06:50:59 kidg1 kernel: [69480.345780] aio-stress D
00003fff8b270768 0 19431 3891 0x00040000
126 Aug 1 06:50:59 kidg1 kernel: [69480.345974] Call Trace:
127 Aug 1 06:50:59 kidg1 kernel: [69480.346043] [c00000001c56f3e0]
[c00000001c56f470] 0xc00000001c56f470 (unreliable)
128 Aug 1 06:50:59 kidg1 kernel: [69480.346317] [c00000001c56f5b0]
[c000000000016188] __switch_to+0x208/0x350
129 Aug 1 06:50:59 kidg1 kernel: [69480.347144] [c00000001c56f610]
[c0000000009b26f0] __schedule+0x320/0x8e0
130 Aug 1 06:50:59 kidg1 kernel: [69480.347327] [c00000001c56f830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
131 Aug 1 06:50:59 kidg1 kernel: [69480.347688] [c00000001c56f8c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
132 Aug 1 06:50:59 kidg1 kernel: [69480.347902] [c00000001c56f900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
133 Aug 1 06:50:59 kidg1 kernel: [69480.348114] [c00000001c56f930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
134 Aug 1 06:50:59 kidg1 kernel: [69480.348325] [c00000001c56f960]
[c000000000343f14] ext4_write_begin+0x154/0x540
135 Aug 1 06:50:59 kidg1 kernel: [69480.348760] [c00000001c56fa40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
136 Aug 1 06:50:59 kidg1 kernel: [69480.348970] [c00000001c56fae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
137 Aug 1 06:50:59 kidg1 kernel: [69480.349185] [c00000001c56fb40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
138 Aug 1 06:50:59 kidg1 kernel: [69480.349397] [c00000001c56fc00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
139 Aug 1 06:50:59 kidg1 kernel: [69480.349585] [c00000001c56fcf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
140 Aug 1 06:50:59 kidg1 kernel: [69480.350124] [c00000001c56fe30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
141 Aug 1 06:50:59 kidg1 kernel: [69480.350794] INFO: task
aio-stress:19432 blocked for more than 120 seconds.
142 Aug 1 06:50:59 kidg1 kernel: [69480.351052] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
143 Aug 1 06:50:59 kidg1 kernel: [69480.351371] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
144 Aug 1 06:50:59 kidg1 kernel: [69480.351717] aio-stress D
00003fff8b270768 0 19432 3891 0x00040000
145 Aug 1 06:50:59 kidg1 kernel: [69480.351984] Call Trace:
146 Aug 1 06:50:59 kidg1 kernel: [69480.352050] [c0000000021b73e0]
[c0000000021b7470] 0xc0000000021b7470 (unreliable)
147 Aug 1 06:50:59 kidg1 kernel: [69480.352594] [c0000000021b75b0]
[c000000000016188] __switch_to+0x208/0x350
148 Aug 1 06:50:59 kidg1 kernel: [69480.352832] [c0000000021b7610]
[c0000000009b26f0] __schedule+0x320/0x8e0
149 Aug 1 06:50:59 kidg1 kernel: [69480.353061] [c0000000021b7830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
150 Aug 1 06:50:59 kidg1 kernel: [69480.353249] [c0000000021b78c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
151 Aug 1 06:50:59 kidg1 kernel: [69480.353759] [c0000000021b7900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
152 Aug 1 06:50:59 kidg1 kernel: [69480.354018] [c0000000021b7930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
153 Aug 1 06:50:59 kidg1 kernel: [69480.354199] [c0000000021b7960]
[c000000000343f14] ext4_write_begin+0x154/0x540
154 Aug 1 06:50:59 kidg1 kernel: [69480.354383] [c0000000021b7a40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
155 Aug 1 06:50:59 kidg1 kernel: [69480.354566] [c0000000021b7ae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
156 Aug 1 06:50:59 kidg1 kernel: [69480.354828] [c0000000021b7b40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
157 Aug 1 06:50:59 kidg1 kernel: [69480.355083] [c0000000021b7c00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
158 Aug 1 06:50:59 kidg1 kernel: [69480.355648] [c0000000021b7cf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
159 Aug 1 06:50:59 kidg1 kernel: [69480.355814] [c0000000021b7e30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
160 Aug 1 06:50:59 kidg1 kernel: [69480.356066] INFO: task
aio-stress:19433 blocked for more than 120 seconds.
161 Aug 1 06:50:59 kidg1 kernel: [69480.356144] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
162 Aug 1 06:50:59 kidg1 kernel: [69480.356239] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
163 Aug 1 06:50:59 kidg1 kernel: [69480.356475] aio-stress D
00003fff8b270768 0 19433 3891 0x00040000
164 Aug 1 06:50:59 kidg1 kernel: [69480.357004] Call Trace:
165 Aug 1 06:50:59 kidg1 kernel: [69480.357070] [c0000000021873e0]
[c000000002187470] 0xc000000002187470 (unreliable)
166 Aug 1 06:50:59 kidg1 kernel: [69480.357270] [c0000000021875b0]
[c000000000016188] __switch_to+0x208/0x350
167 Aug 1 06:50:59 kidg1 kernel: [69480.357510] [c000000002187610]
[c0000000009b26f0] __schedule+0x320/0x8e0
168 Aug 1 06:50:59 kidg1 kernel: [69480.357830] [c000000002187830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
169 Aug 1 06:50:59 kidg1 kernel: [69480.358146] [c0000000021878c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
170 Aug 1 06:50:59 kidg1 kernel: [69480.358506] [c000000002187900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
171 Aug 1 06:50:59 kidg1 kernel: [69480.358853] [c000000002187930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
172 Aug 1 06:50:59 kidg1 kernel: [69480.360057] [c000000002187960]
[c000000000343f14] ext4_write_begin+0x154/0x540
173 Aug 1 06:50:59 kidg1 kernel: [69480.360482] [c000000002187a40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
174 Aug 1 06:50:59 kidg1 kernel: [69480.360779] [c000000002187ae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
175 Aug 1 06:50:59 kidg1 kernel: [69480.361158] [c000000002187b40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
176 Aug 1 06:50:59 kidg1 kernel: [69480.361392] [c000000002187c00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
177 Aug 1 06:50:59 kidg1 kernel: [69480.361726] [c000000002187cf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
178 Aug 1 06:50:59 kidg1 kernel: [69480.362004] [c000000002187e30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
179 Aug 1 06:50:59 kidg1 kernel: [69480.362202] INFO: task
aio-stress:19434 blocked for more than 120 seconds.
180 Aug 1 06:50:59 kidg1 kernel: [69480.362308] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
181 Aug 1 06:50:59 kidg1 kernel: [69480.362546] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
182 Aug 1 06:50:59 kidg1 kernel: [69480.362767] aio-stress D
00003fff8b270768 0 19434 3891 0x00040000
183 Aug 1 06:50:59 kidg1 kernel: [69480.363132] Call Trace:
184 Aug 1 06:50:59 kidg1 kernel: [69480.363231] [c00000000218f3e0]
[c00000000218f470] 0xc00000000218f470 (unreliable)
185 Aug 1 06:50:59 kidg1 kernel: [69480.363465] [c00000000218f5b0]
[c000000000016188] __switch_to+0x208/0x350
186 Aug 1 06:50:59 kidg1 kernel: [69480.363807] [c00000000218f610]
[c0000000009b26f0] __schedule+0x320/0x8e0
187 Aug 1 06:50:59 kidg1 kernel: [69480.364067] [c00000000218f830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
188 Aug 1 06:50:59 kidg1 kernel: [69480.364332] [c00000000218f8c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
189 Aug 1 06:50:59 kidg1 kernel: [69480.364682] [c00000000218f900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
190 Aug 1 06:50:59 kidg1 kernel: [69480.364944] [c00000000218f930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
191 Aug 1 06:50:59 kidg1 kernel: [69480.365348] [c00000000218f960]
[c000000000343f14] ext4_write_begin+0x154/0x540
192 Aug 1 06:50:59 kidg1 kernel: [69480.365719] [c00000000218fa40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
193 Aug 1 06:50:59 kidg1 kernel: [69480.366261] [c00000000218fae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
194 Aug 1 06:50:59 kidg1 kernel: [69480.366650] [c00000000218fb40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
195 Aug 1 06:50:59 kidg1 kernel: [69480.366973] [c00000000218fc00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
196 Aug 1 06:50:59 kidg1 kernel: [69480.367416] [c00000000218fcf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
197 Aug 1 06:50:59 kidg1 kernel: [69480.367718] [c00000000218fe30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
198 Aug 1 06:50:59 kidg1 kernel: [69480.368156] INFO: task
aio-stress:19435 blocked for more than 120 seconds.
199 Aug 1 06:50:59 kidg1 kernel: [69480.368457] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
200 Aug 1 06:50:59 kidg1 kernel: [69480.368730] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
201 Aug 1 06:50:59 kidg1 kernel: [69480.369141] aio-stress D
00003fff8b270768 0 19435 3891 0x00040000
202 Aug 1 06:50:59 kidg1 kernel: [69480.369369] Call Trace:
203 Aug 1 06:50:59 kidg1 kernel: [69480.369480] [c0000000021af3e0]
[c0000000021af470] 0xc0000000021af470 (unreliable)
204 Aug 1 06:50:59 kidg1 kernel: [69480.369885] [c0000000021af5b0]
[c000000000016188] __switch_to+0x208/0x350
205 Aug 1 06:50:59 kidg1 kernel: [69480.370155] [c0000000021af610]
[c0000000009b26f0] __schedule+0x320/0x8e0
206 Aug 1 06:50:59 kidg1 kernel: [69480.370389] [c0000000021af830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
207 Aug 1 06:50:59 kidg1 kernel: [69480.370648] [c0000000021af8c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
208 Aug 1 06:50:59 kidg1 kernel: [69480.371036] [c0000000021af900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
209 Aug 1 06:50:59 kidg1 kernel: [69480.371302] [c0000000021af930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
210 Aug 1 06:50:59 kidg1 kernel: [69480.371573] [c0000000021af960]
[c000000000343f14] ext4_write_begin+0x154/0x540
211 Aug 1 06:50:59 kidg1 kernel: [69480.371969] [c0000000021afa40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
212 Aug 1 06:50:59 kidg1 kernel: [69480.372344] [c0000000021afae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
213 Aug 1 06:50:59 kidg1 kernel: [69480.372814] [c0000000021afb40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
214 Aug 1 06:50:59 kidg1 kernel: [69480.376761] [c0000000021afc00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
215 Aug 1 06:50:59 kidg1 kernel: [69480.377036] [c0000000021afcf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
216 Aug 1 06:50:59 kidg1 kernel: [69480.377319] [c0000000021afe30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
217 Aug 1 06:50:59 kidg1 kernel: [69480.377601] INFO: task
aio-stress:19436 blocked for more than 120 seconds.
218 Aug 1 06:50:59 kidg1 kernel: [69480.377791] Tainted: G
W 3.16.0-6-generic #11-Ubuntu
219 Aug 1 06:50:59 kidg1 kernel: [69480.378225] "echo 0 >
/proc/sys/kernel/hung_task_timeout_secs" disables this message.
220 Aug 1 06:50:59 kidg1 kernel: [69480.378475] aio-stress D
00003fff8b270768 0 19436 3891 0x00040000
221 Aug 1 06:50:59 kidg1 kernel: [69480.378734] Call Trace:
222 Aug 1 06:50:59 kidg1 kernel: [69480.378813] [c0000000021ab3e0]
[c0000000021ab470] 0xc0000000021ab470 (unreliable)
223 Aug 1 06:50:59 kidg1 kernel: [69480.379212] [c0000000021ab5b0]
[c000000000016188] __switch_to+0x208/0x350
224 Aug 1 06:50:59 kidg1 kernel: [69480.379451] [c0000000021ab610]
[c0000000009b26f0] __schedule+0x320/0x8e0
225 Aug 1 06:50:59 kidg1 kernel: [69480.379843] [c0000000021ab830]
[c0000000003a1fd4] jbd2_log_wait_commit+0xc4/0x170
226 Aug 1 06:50:59 kidg1 kernel: [69480.380192] [c0000000021ab8c0]
[c0000000003a4454] __jbd2_journal_force_commit+0x94/0x160
227 Aug 1 06:50:59 kidg1 kernel: [69480.380817] [c0000000021ab900]
[c0000000003a4548] jbd2_journal_force_commit_nested+0x28/0x50
228 Aug 1 06:50:59 kidg1 kernel: [69480.381811] [c0000000021ab930]
[c0000000003344fc] ext4_should_retry_alloc+0x6c/0xb0
229 Aug 1 06:50:59 kidg1 kernel: [69480.382151] [c0000000021ab960]
[c000000000343f14] ext4_write_begin+0x154/0x540
230 Aug 1 06:50:59 kidg1 kernel: [69480.382354] [c0000000021aba40]
[c0000000001ea4ec] generic_perform_write+0x1ac/0x280
231 Aug 1 06:50:59 kidg1 kernel: [69480.382706] [c0000000021abae0]
[c0000000001ec88c] __generic_file_write_iter+0x1dc/0x3b0
232 Aug 1 06:50:59 kidg1 kernel: [69480.383070] [c0000000021abb40]
[c000000000337584] ext4_file_write_iter+0x114/0x400
233 Aug 1 06:50:59 kidg1 kernel: [69480.383770] [c0000000021abc00]
[c0000000002f20a0] aio_run_iocb+0x270/0x430
234 Aug 1 06:50:59 kidg1 kernel: [69480.384324] [c0000000021abcf0]
[c0000000002f343c] do_io_submit+0x33c/0x5e0
235 Aug 1 06:50:59 kidg1 kernel: [69480.384796] [c0000000021abe30]
[c00000000000a0fc] syscall_exit+0x0/0x7c
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