[OpenAFS] AFS client hanged
huangql
huangql@ihep.ac.cn
Mon, 16 Dec 2019 14:53:43 +0800
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0px; margin-bottom: 0px; margin-left: 0.5em; }div.foxdiv201912161453064328=
38 { }body { font-size: 10.5pt; font-family: ????; color: rgb(0, 0, 0); li=
ne-height: 1.5; }</style></head><body>=0A<div><span></span></div><blockquo=
te style=3D"margin-Top: 0px; margin-Bottom: 0px; margin-Left: 0.5em"><div>=
<div class=3D"FoxDiv20191216145306432838"><div><div>Dear all,</div><div><b=
r></div><div>Recently, I'm stuck with some AFS issues.</div><div><br></div=
><div>AFS client hanged with the following log message. In this case, the =
AFS instance blocked and jobs failed to access any files located in AFS. I=
have to reboot the work node to recover service.</div><div><br></div><div=
><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);">=
Dec 6 15:03:18 bws0825 kernel: INFO: t=
ask afs_callback:19124 blocked for more than =
;120 seconds.<br>Dec 6 15:03:18 bws0825 ker=
nel: "echo 0 > /proc/sys/kernel/hung_task_timeout_s=
ecs" disables this message.<br>Dec 6 15:03:=
18 bws0825 kernel: afs_callback D&nb=
sp;ffff9860d826e180 0 19124 &=
nbsp; 2 0x00000000<br>Dec 6 15:03:18=
bws0825 kernel: Call Trace:<br>Dec 6 =
15:03:18 bws0825 kernel: afs_callback &nbs=
p;D ffff9860d826e180 0 19124 &=
nbsp; 2 0x00000000<br>Dec 6 15=
:03:18 bws0825 kernel: Call Trace:<br>Dec 6=
15:03:18 bws0825 kernel: [<ffffffffa2169df9>]&n=
bsp;schedule_preempt_disabled+0x29/0x70<br>Dec 6 15:03:18&=
nbsp;bws0825 kernel: [<ffffffffa2167d77>] __mutex_loc=
k_slowpath+0xc7/0x1d0<br>Dec 6 15:03:18 bws0825 =
kernel: [<ffffffffa216715f>] mutex_lock+0x1f/0x2f<br>Dec&n=
bsp; 6 15:03:18 bws0825 kernel: [<ffffffffc084=
dff4>] SRXAFSCB_InitCallBackState+0x34/0x470 [openafs]<br>Dec=
6 15:03:18 bws0825 kernel: [<ffffffffc0=
898047>] ? afs_xdr_vector+0x57/0x90 [openafs]<br>Dec&nbs=
p; 6 15:03:18 bws0825 kernel: [<ffffffffc084f1=
9e>] SRXAFSCB_InitCallBackState3+0xe/0x10 [openafs]<br>Dec&nb=
sp; 6 15:03:18 bws0825 kernel: [<ffffffffc08b6=
f43>] RXAFSCB_ExecuteRequest+0x6f3/0x8a0 [openafs]<br>Dec&nbs=
p; 6 15:03:18 bws0825 kernel: [<ffffffffa1b028=
ae>] ? getnstimeofday64+0xe/0x30<br>Dec 6 15:=
03:18 bws0825 kernel: [<ffffffffc08ae589>] ?&nbs=
p;afs_mutex_exit+0x29/0x40 [openafs]<br>Dec 6 15:03:1=
8 bws0825 kernel: [<ffffffffc08a6a5d>] rxi_Serve=
rProc+0xcd/0x1e0 [openafs]<br>Dec 6 15:03:18 bws=
0825 kernel: [<ffffffffc08c74c0>] ? afs_shutdown=
_pagecopy+0x20/0x20 [openafs]<br>Dec 6 15:03:18 =
bws0825 kernel: [<ffffffffc08af017>] rx_ServerProc+0x=
87/0xe0 [openafs]<br>Dec 6 15:03:18 bws0825 =
;kernel: [<ffffffffc084eedd>] afs_RXCallBackServer+0x3d/0x=
50 [openafs]<br>Dec 6 15:03:18 bws0825 kern=
el: [<ffffffffc08c76a5>] afsd_thread+0x1e5/0x730 [ope=
nafs]<br>Dec 6 15:03:18 bws0825 kernel: [&l=
t;ffffffffc08c74c0>] ? afs_shutdown_pagecopy+0x20/0x20 [=
openafs]<br>Dec 6 15:03:18 bws0825 kernel: =
[<ffffffffa1ac1da1>] kthread+0xd1/0xe0<br>Dec 6 =
;15:03:18 bws0825 kernel: [<ffffffffa1ac1cd0>] ?=
insert_kthread_work+0x40/0x40<br>Dec 6 15:03:18 =
;bws0825 kernel: [<ffffffffa2175c1d>] ret_from_fork_n=
ospec_begin+0x7/0x21<br>Dec 6 15:03:18 bws0825 k=
ernel: [<ffffffffa1ac1cd0>] ? insert_kthread_work+0x4=
0/0x40<br>Dec 6 15:03:18 bws0825 kernel: IN=
FO: task afs_rxevent:19127 blocked for more =
than 120 seconds.<br>Dec 6 15:03:18 bws0825=
kernel: "echo 0 > /proc/sys/kernel/hung_task_=
timeout_secs" disables this message.<br>Dec 6&nb=
sp;15:03:18 bws0825 kernel: afs_rxevent &n=
bsp; D ffff9860cbbf6180 0 1912=
7 2 0x00000000<br>Dec 6=
15:03:18 bws0825 kernel: Call Trace:<br>Dec =
; 6 15:03:18 bws0825 kernel: [<ffffffffa1aaa2d=
2>] ? del_timer_sync+0x52/0x60<br>Dec 6 15:03=
:18 bws0825 kernel: [<ffffffffa2169df9>] schedul=
e_preempt_disabled+0x29/0x70<br>Dec 6 15:03:18 bws082=
5 kernel: [<ffffffffa2167d77>] __mutex_lock_slowpath+=
0xc7/0x1d0<br>Dec 6 15:03:18 bws0825 kernel:&nbs=
p;[<ffffffffa216715f>] mutex_lock+0x1f/0x2f<br>Dec 6=
15:03:18 bws0825 kernel: [<ffffffffc08bdb58>]&n=
bsp;afs_osi_TimedSleep+0x118/0x210 [openafs]<br>Dec 6 =
;15:03:18 bws0825 kernel: [<ffffffffa1ad6b60>] ?=
wake_up_state+0x20/0x20<br>Dec 6 15:03:18 bws08=
25 kernel: [<ffffffffc08bdce8>] afs_osi_Wait+0x98/0xd=
0 [openafs]<br>Dec 6 15:03:18 bws0825 kerne=
l: [<ffffffffc08c74c0>] ? afs_shutdown_pagecopy+0x20/=
0x20 [openafs]<br>Dec 6 15:03:18 bws0825 ke=
rnel: [<ffffffffc08af575>] afs_rxevent_daemon+0x95/0x140&n=
bsp;[openafs]<br>Dec 6 15:03:18 bws0825 kernel:&=
nbsp;[<ffffffffc08c7af6>] afsd_thread+0x636/0x730 [openafs=
]<br>Dec 6 15:03:18 bws0825 kernel: [<ff=
ffffffc08c74c0>] ? afs_shutdown_pagecopy+0x20/0x20 [open=
afs]<br>Dec 6 15:03:18 bws0825 kernel: [<=
;ffffffffa1ac1da1>] kthread+0xd1/0xe0<br>Dec 6 15:=
03:18 bws0825 kernel: [<ffffffffa1ac1cd0>] ?&nbs=
p;insert_kthread_work+0x40/0x40<br>Dec 6 15:03:18 bws=
0825 kernel: [<ffffffffa2175c1d>] ret_from_fork_nospe=
c_begin+0x7/0x21<br>Dec 6 15:03:18 bws0825 kerne=
l: [<ffffffffa1ac1cd0>] ? insert_kthread_work+0x40/0x=
40<br></span></div><div><span style=3D"color: rgb(0, 0, 0); background-col=
or: rgba(0, 0, 0, 0);">Dec 6 15:03:18 bws0825 ke=
rnel: [<ffffffffa2175c1d>] ret_from_fork_nospec_begin+0x7/=
0x21<br>Dec 6 15:03:18 bws0825 kernel: [<=
;ffffffffa1ac1cd0>] ? insert_kthread_work+0x40/0x40<br>Dec&nb=
sp; 6 15:03:18 bws0825 kernel: INFO: task&nb=
sp;afs_checkserver:19870 blocked for more than 12=
0 seconds.<br>Dec 6 15:03:18 bws0825 kernel=
: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs=
" disables this message.<br>Dec 6 15:03:18&=
nbsp;bws0825 kernel: afs_checkserver D ffff9860c781104=
0 0 19870 &=
nbsp;2 0x00000000<br>Dec 6 15:03:18 bws0825 =
;kernel: Call Trace:<br>Dec 6 15:03:18 bws0=
825 kernel: [<ffffffffa1aaa2d2>] ? del_timer_syn=
c+0x52/0x60<br>Dec 6 15:03:18 bws0825 kernel:&nb=
sp;[<ffffffffa2169df9>] schedule_preempt_disabled+0x29/0x70<br>=
Dec 6 15:03:18 bws0825 kernel: [<fffffff=
fa2167d77>] __mutex_lock_slowpath+0xc7/0x1d0<br>Dec 6&n=
bsp;15:03:18 bws0825 kernel: [<ffffffffa216715f>]&nbs=
p;mutex_lock+0x1f/0x2f<br>Dec 6 15:03:18 bws0825 =
;kernel: [<ffffffffc08bdb58>] afs_osi_TimedSleep+0x118/0x2=
10 [openafs]<br>Dec 6 15:03:18 bws0825 kern=
el: [<ffffffffa1ad6b60>] ? wake_up_state+0x20/0x20<br=
>Dec 6 15:03:18 bws0825 kernel: [<ffffff=
ffc08bdce8>] afs_osi_Wait+0x98/0xd0 [openafs]<br>Dec &nb=
sp;6 15:03:18 bws0825 kernel: [<ffffffffc0853b08>=
;] afs_CheckServerDaemon+0x118/0x1a0 [openafs]<br>Dec  =
;6 15:03:18 bws0825 kernel: [<ffffffffc08c74c0>]=
? afs_shutdown_pagecopy+0x20/0x20 [openafs]<br>Dec &n=
bsp;6 15:03:18 bws0825 kernel: [<ffffffffc08c7930&g=
t;] afsd_thread+0x470/0x730 [openafs]<br>Dec 6 1=
5:03:18 bws0825 kernel: [<ffffffffc08c74c0>] ?&n=
bsp;afs_shutdown_pagecopy+0x20/0x20 [openafs]<br>Dec 6&nbs=
p;15:03:18 bws0825 kernel: [<ffffffffa1ac1da1>] =
kthread+0xd1/0xe0<br>Dec 6 15:03:18 bws0825 kern=
el: [<ffffffffa1ac1cd0>] ? insert_kthread_work+0x40/0=
x40<br>Dec 6 15:03:18 bws0825 kernel: [<=
ffffffffa2175c1d>] ret_from_fork_nospec_begin+0x7/0x21<br></span><=
/div><div><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0,=
0, 0);"><br></span></div><div><br></div><div><span style=3D"color: rgb(0,=
0, 0); background-color: rgba(0, 0, 0, 0);">The following message is the =
specification of AFS cluster at IHEP. </span></div><div><span style=
=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);"><br></span><=
/div><div><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0,=
0, 0);">AFS clinet--sl7</span></div><div><span style=3D"color: rgb(0, 0, =
0); background-color: rgba(0, 0, 0, 0);"><br></span></div><div><span style=
=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);">[root@bws082=
5 ~]# rpm -qa|grep openafs<br>openafs-1.6-sl-client-1.=
6.23-289.sl7.x86_64<br>openafs-1.6-sl-authlibs-1.6.23-289.sl7.x86_64<br>op=
enafs-1.6-sl-devel-1.6.23-289.sl7.x86_64<br>openafs-1.6-sl-module-tools-1.=
6.23-289.sl7.x86_64<br>openafs-1.6-sl-krb5-1.6.23-289.sl7.x86_64<br>openaf=
s-1.6-sl-1.6.23-289.sl7.x86_64<br>openafs-1.6-sl-authlibs-devel-1.6.23-289=
.sl7.x86_64<br>kmod-openafs-1.6-sl-1.6.23-1.SL76.el7.noarch<br>kmod-openaf=
s-1.6-sl-957-1.6.23-289.sl7.957.x86_64<br></span></div><div><span style=3D=
"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);"><br></span></di=
v><div>AFS client-SL6:</div><div><span style=3D"color: rgb(0, 0, 0); backg=
round-color: rgba(0, 0, 0, 0);">openafs-krb5-1.6.23-289.sl6.x86_64<br>open=
afs-client-1.6.23-289.sl6.x86_64<br>openafs-1.6.23-289.sl6.x86_64<br>opena=
fs-kpasswd-1.6.23-289.sl6.x86_64<br>openafs-module-tools-1.6.23-289.sl6.x8=
6_64<br>openafs-kernel-source-1.6.23-289.sl6.x86_64<br>openafs-firstboot-1=
.6-1.sl6.noarch<br>openafs-authlibs-1.6.23-289.sl6.x86_64<br>kmod-openafs-=
696-1.6.20-257.sl6.696.x86_64<br>kmod-openafs-1.6.22.3-1.SL610.el6.noarch<=
br>openafs-compat-1.6.23-289.sl6.x86_64<br></span></div><div><span style=
=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);"><br></span><=
/div><div><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0,=
0, 0);">AFS server side:</span></div><div><span style=3D"color: rgb(0, 0,=
0); background-color: rgba(0, 0, 0, 0);"><br></span></div><div><span styl=
e=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);">openafs-aut=
hlibs-1.6.20-256.sl6.x86_64<br>openafs-server-1.6.11-1.el6.x86_64<br>opena=
fs-kernel-source-1.6.11-1.el6.x86_64<br>openafs-docs-1.6.11-1.el6.x86_64<b=
r>openafs-authlibs-devel-1.6.20-256.sl6.x86_64<br>openafs-1.6.11-1.el6.x86=
_64<br>openafs-compat-1.6.11-1.el6.x86_64<br>openafs-devel-1.6.20-256.sl6.=
x86_64<br>openafs-client-1.6.11-1.el6.x86_64<br>kmod-openafs-1.6.11-1.2.6.=
32_504.3.3.el6.x86_64<br>openafs-krb5-1.6.11-1.el6.x86_64<br></span></div>=
<div><span style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0=
);"><br></span></div><div><span style=3D"color: rgb(0, 0, 0); background-c=
olor: rgba(0, 0, 0, 0);"><br></span></div><div><span style=3D"color: rgb(0=
, 0, 0); background-color: rgba(0, 0, 0, 0);">Does the 1.6.23 is not compa=
tible with the linux kernel or AFS server version?</span></div><div><span =
style=3D"color: rgb(0, 0, 0); background-color: rgba(0, 0, 0, 0);"><br></s=
pan></div><div><span style=3D"color: rgb(0, 0, 0); background-color: rgba(=
0, 0, 0, 0);">Any information you provided would be appreciated. </sp=
an><span style=3D"font-size: 10.5pt; line-height: 1.5; background-color: w=
indow;">Thanks.</span></div><div><span style=3D"font-size: 10.5pt; line-he=
ight: 1.5; background-color: window;"><br></span></div><div><span style=3D=
"font-size: 10.5pt; line-height: 1.5; background-color: window;"><br></spa=
n></div><div><span style=3D"font-size: 10.5pt; line-height: 1.5; backgroun=
d-color: window;">Regards,</span></div><div><span style=3D"font-size: 10.5=
pt; line-height: 1.5; background-color: window;">Qiulan</span></div></div>=
<div><span style=3D"font-size: 10.5pt; line-height: 1.5; background-color:=
window;"><br></span></div>=0A<div><br></div>=0A<hr style=3D"width: 210px;=
height: 1px;" align=3D"left" color=3D"#b5c4df" size=3D"1">=0A<div><span><=
div style=3D"MARGIN: 10px; FONT-FAMILY: verdana; FONT-SIZE: 10pt"><div>hua=
ngql</div></div></span></div><div>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D<br>Computing center,the Institute of High Energy Phy=
sics, CAS, China<br>Qiulan Huang =
Tel: (+86) 10 8823 6087<br>P.O. Box 91=
8-7 =
Fax: (+86) 10 8823 6839<br>Beijing 100049 P.R. China &=
nbsp; Email: huangql@ihep.ac.cn<br>=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D</div>=0A</div></div></blockquote><=
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