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List:       xen-users
Subject:    [Xen-users] task xenwatch blocked for more than 120 seconds.
From:       <xikangjie () 360 ! cn>
Date:       2017-01-20 12:59:46
Message-ID: 21D42A94174EE345809CF640696801D577FF5533 () EX01 ! corp ! qihoo ! net
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[Attachment #2 (text/plain)]

Hello,

    My server ran about 4days, the kernel crash.

/var/log/message:

Jan 20 08:05:38 es13 kernel: INFO: task xenwatch:129 blocked for more than 120 seconds.
Jan 20 08:05:38 es13 kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
Jan 20 08:05:38 es13 kernel: xenwatch        D ffff8808fea943c0     0   129      2 0x00000000
Jan 20 08:05:38 es13 kernel: ffff8808a6909d18 0000000000000246 ffff8808a6909fd8 00000000000143c0
Jan 20 08:05:38 es13 kernel: ffff8808a6908010 00000000000143c0 00000000000143c0 00000000000143c0
Jan 20 08:05:38 es13 kernel: ffff8808a6909fd8 00000000000143c0 ffff8808a6907540 ffff8808a7720ac0
Jan 20 08:05:38 es13 kernel: Call Trace:
Jan 20 08:05:38 es13 kernel: [<ffffffff815f4339>] schedule+0x29/0x70
Jan 20 08:05:38 es13 kernel: [<ffffffffa04675c5>] xenvif_disconnect+0x85/0xe0 [xen_netback]
Jan 20 08:05:38 es13 kernel: [<ffffffff81082640>] ? wake_up_bit+0x40/0x40
Jan 20 08:05:38 es13 kernel: [<ffffffffa04667d5>] set_backend_state+0xd5/0x1c0 [xen_netback]
Jan 20 08:05:38 es13 kernel: [<ffffffffa0466cc6>] frontend_changed+0xb6/0x100 [xen_netback]
Jan 20 08:05:38 es13 kernel: [<ffffffff813579a8>] xenbus_otherend_changed+0xa8/0xb0
Jan 20 08:05:38 es13 kernel: [<ffffffff81357be0>] frontend_changed+0x10/0x20
Jan 20 08:05:38 es13 kernel: [<ffffffff81355731>] xenwatch_thread+0xb1/0x170
Jan 20 08:05:38 es13 kernel: [<ffffffff81082640>] ? wake_up_bit+0x40/0x40
Jan 20 08:05:38 es13 kernel: [<ffffffff81355680>] ? xs_watch+0x60/0x60
Jan 20 08:05:38 es13 kernel: [<ffffffff81081e2e>] kthread+0xce/0xe0
Jan 20 08:05:38 es13 kernel: [<ffffffff8100392e>] ? xen_end_context_switch+0x1e/0x30
Jan 20 08:05:38 es13 kernel: [<ffffffff81081d60>] ? kthread_freezable_should_stop+0x70/0x70
Jan 20 08:05:38 es13 kernel: [<ffffffff815fe66c>] ret_from_fork+0x7c/0xb0
Jan 20 08:05:38 es13 kernel: [<ffffffff81081d60>] ? kthread_freezable_should_stop+0x70/0x70

# xl list
Name                                        ID   Mem VCPUs   State  Time(s)
Domain-0                                     0 34899    24     r-----  1847934.0
(null)                                    2752     0     1     --p--d      43.7
(null)                                    2754     0     1     --p--d     168.2
(null)                                    2755     0     1     --p--d     153.1
(null)                                    2756     0     1     --p--d      32.8
(null)                                    2757     0     1     --p--d     234.9
(null)                                    2758     0     1     --p--d      52.1
(null)                                    2759     0     1     --p--d      24.3
(null)                                    2760     0     1     --p--d      20.5
(null)                                    2761     0     1     --p--d     261.9
(null)                                    2762     0     1     --p--d      91.0
(null)                                    2763     0     1     --p--d      26.6
(null)                                    2764     0     1     --p--d      26.2
(null)                                    2765     0     1     --p--d      56.5
(null)                                    2766     0     1     --p--d      10.6
(null)                                    2767     0     1     --p--d      32.7
(null)                                    2768     0     1     --p--d      42.1
(null)                                    2769     0     1     --p--d      65.2
(null)                                    2770     0     1     --p--d     274.8
(null)                                    2771     0     1     --p--d     107.2
(null)                                    2772     0     1     --p--d      32.7

# xl info
release                : 3.10.20-11.el6.centos.alt.x86_64
version                : #1 SMP Sat Nov 23 23:08:56 UTC 2013
machine                : x86_64
nr_cpus                : 24
max_cpu_id             : 23
nr_nodes               : 2
cores_per_socket       : 6
threads_per_core       : 2
cpu_mhz                : 2600
hw_caps                : b7ebfbff:77bee3ff:2c100800:00000001:00000001:00000281:00000000:00000100
virt_caps              : hvm hvm_directio
total_memory           : 65506
free_memory            : 6667
sharing_freed_memory   : 0
sharing_used_memory    : 0
outstanding_claims     : 0
free_cpus              : 0
xen_major              : 4
xen_minor              : 8
xen_extra              : .0
xen_version            : 4.8.0
xen_caps               : xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xffff800000000000
xen_changeset          :
xen_commandline        : dom0_mem=35736884 loglvl=all guest_loglvl=all
cc_compiler            : gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)
cc_compile_by          : xikangjie
cc_compile_domain      : (none)
cc_compile_date        : Fri Dec  9 14:49:01 CST 2016
build_id               : 8bd07d490bbae9862d3bfdca07c7551e8792389f
xend_config_format     : 4

And I can’t create new vms.

Xen version is 4.8.0, Linux kernel version is 3.10.20-11, does I need to upgrade linux kernel?

- xikangjie

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<p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Hello,<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">&nbsp;&nbsp;&nbsp; \
My server ran about 4days, the kernel crash.<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">/var/log/message</span><span \
style="font-family:&quot;微软雅黑&quot;,&quot;sans-serif&quot;">:</span><span \
lang="EN-US" style="font-family:Consolas"><o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: INFO: task \
xenwatch:129 blocked for more than 120 seconds.<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: &quot;echo 0 &gt; /proc/sys/kernel/hung_task_timeout_secs&quot; disables \
this message.<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
xenwatch&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; D \
ffff8808fea943c0&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp; \
129&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 2 0x00000000<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: ffff8808a6909d18 0000000000000246 ffff8808a6909fd8 \
00000000000143c0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: ffff8808a6908010 \
00000000000143c0 00000000000143c0 00000000000143c0<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: ffff8808a6909fd8 00000000000143c0 ffff8808a6907540 \
ffff8808a7720ac0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: Call \
Trace:<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: [&lt;ffffffff815f4339&gt;] \
schedule&#43;0x29/0x70<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: [&lt;ffffffffa04675c5&gt;] \
xenvif_disconnect&#43;0x85/0xe0 [xen_netback]<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff81082640&gt;] ? \
wake_up_bit&#43;0x40/0x40<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
[&lt;ffffffffa04667d5&gt;] set_backend_state&#43;0xd5/0x1c0 \
[xen_netback]<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: [&lt;ffffffffa0466cc6&gt;] \
frontend_changed&#43;0xb6/0x100 [xen_netback]<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff813579a8&gt;] \
xenbus_otherend_changed&#43;0xa8/0xb0<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff81357be0&gt;] \
frontend_changed&#43;0x10/0x20<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
[&lt;ffffffff81355731&gt;] xenwatch_thread&#43;0xb1/0x170<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff81082640&gt;] ? \
wake_up_bit&#43;0x40/0x40<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
[&lt;ffffffff81355680&gt;] ? xs_watch&#43;0x60/0x60<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff81081e2e&gt;] kthread&#43;0xce/0xe0<o:p></o:p></span></p> \
<p class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff8100392e&gt;] ? \
xen_end_context_switch&#43;0x1e/0x30<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
[&lt;ffffffff81081d60&gt;] ? \
kthread_freezable_should_stop&#43;0x70/0x70<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 \
es13 kernel: [&lt;ffffffff815fe66c&gt;] \
ret_from_fork&#43;0x7c/0xb0<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Jan 20 08:05:38 es13 kernel: \
[&lt;ffffffff81081d60&gt;] ? \
kthread_freezable_should_stop&#43;0x70/0x70<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas"># xl list<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Name&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp \
;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;& \
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
ID&nbsp;&nbsp; Mem VCPUs&nbsp;&nbsp; State&nbsp; Time(s)<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">Domain-0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;& \
nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0 \
34899&nbsp;&nbsp;&nbsp; 24&nbsp;&nbsp;&nbsp;&nbsp; r-----&nbsp; \
1847934.0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2752&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 43.7<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2754&nbsp;&nbsp;&nbsp;&nbsp; \
0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; --p--d&nbsp;&nbsp;&nbsp;&nbsp; \
168.2<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2755&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp; 153.1<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs \
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2756&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32.8<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2757&nbsp;&nbsp;&nbsp;&nbsp; \
0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; --p--d&nbsp;&nbsp;&nbsp;&nbsp; \
234.9<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2758&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 52.1<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2759&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 24.3<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2760&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 20.5<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2761&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp; 261.9<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs \
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2762&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 91.0<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2763&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 26.6<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2764&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 26.2<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2765&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 56.5<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2766&nbsp;&nbsp;&nbsp;&nbsp; \
0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 10.6<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2767&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32.7<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2768&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 42.1<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2769&nbsp;&nbsp;&nbsp;&nbsp; \
0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 65.2<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb \
sp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2770&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp; 274.8<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs \
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2771&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp; 107.2<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">(null)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&n \
bsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbs \
p;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
2772&nbsp; &nbsp;&nbsp;&nbsp;0&nbsp;&nbsp;&nbsp;&nbsp; 1&nbsp;&nbsp;&nbsp;&nbsp; \
--p--d&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 32.7<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas"># xl info<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">release&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 3.10.20-11.el6.centos.alt.x86_64<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: #1 SMP Sat Nov 23 23:08:56 UTC 2013<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">machine&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: x86_64<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">nr_cpus&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;: 24<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">max_cpu_id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 23<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">nr_nodes&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
<p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">threads_per_core&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : \
2<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">cpu_mhz&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 2600<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">hw_caps&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: b7ebfbff:77bee3ff:2c100800:00000001:00000001:00000281:00000000:00000100<o:p></o:p></span></p>
 <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">virt_caps&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: hvm hvm_directio<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">total_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 65506<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">free_memory&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 6667<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">sharing_freed_memory&nbsp;&nbsp; : \
0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">sharing_used_memory&nbsp;&nbsp;&nbsp; : \
0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">outstanding_claims&nbsp;&nbsp;&nbsp;&nbsp; : \
0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">free_cpus&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_major&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 4<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_minor&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 8<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_extra&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: .0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_version&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 4.8.0<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_caps&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: xen-3.0-x86_64 xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p hvm-3.0-x86_64 \
<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_scheduler&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: credit<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_pagesize&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 4096<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">platform_params&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: virt_start=0xffff800000000000<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">xen_changeset&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: <o:p></o:p></span></p>
<p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xen_commandline&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: dom0_mem=35736884 loglvl=all guest_loglvl=all<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">cc_compiler&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: gcc (GCC) 4.4.7 20120313 (Red Hat 4.4.7-16)<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">cc_compile_by&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: xikangjie<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">cc_compile_domain&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; : \
(none)<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">cc_compile_date&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: Fri Dec&nbsp; 9 14:49:01 CST 2016<o:p></o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">build_id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; \
: 8bd07d490bbae9862d3bfdca07c7551e8792389f<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas">xend_config_format&nbsp;&nbsp;&nbsp;&nbsp; : \
4<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">And I can’t create new vms. \
<o:p></o:p></span></p> <p class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">Xen version is 4.8.0, Linux kernel version \
is 3.10.20-11, does I need to upgrade linux kernel?<o:p></o:p></span></p> <p \
class="MsoNormal"><span lang="EN-US" \
style="font-family:Consolas"><o:p>&nbsp;</o:p></span></p> <p class="MsoNormal"><span \
lang="EN-US" style="font-family:Consolas">- xikangjie</span><span \
lang="EN-US"><o:p></o:p></span></p> </div>
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