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From Esmq <e...@163.com>
Subject Re:Re: ats v6 crash
Date Mon, 28 Sep 2015 07:36:19 GMT
hi, i install  libunwind7-dev  package and recompile ats, but the crash.log stail says:
Unable to retrieve backtrace: [12] Operation not supported on this platform.

my server environment:
Process:            [ET_NET 0] [4761]
File:               /usr/local/trafficserver-6.0.0/bin/traffic_server
Version:            Traffic Server 6.0.0
System Version:     Linux x86_64 #1 SMP Debian 3.2.65-1 3.2.0-4-amd64
Date:               Mon, 28 Sep 2015 15:24:12 +0800


##################################

the way i use to reproduce the crash:
ab -c 10000 -n 2000000 http://x.y.com/






在 2015-09-24 23:39:32,"James Peach" <jamespeach@me.com> 写道:




On Sep 24, 2015, at 7:32 AM, Brian Geffon <briang@apache.org> wrote:


Unfortunately that crash log is missing the most important piece of information because apparently
backtraces aren't supported on your platform, James, any ideas why that is? 


Probably no libunwind-devel at build time?




Are you familiar with GDB by any chance?


On Thursday, September 24, 2015, Esmq <esmq@163.com> wrote:

hi, the attachment is the crash.log


-r-------- 1 root          trafficserver  87K  9月 24 20:00 crash-2015-09-24-200057.log
-r-------- 1 root          trafficserver  88K  9月 24 20:01 crash-2015-09-24-200103.log
-r-------- 1 root          trafficserver  90K  9月 24 20:02 crash-2015-09-24-200208.log
-r-------- 1 root          trafficserver  74K  9月 24 20:02 crash-2015-09-24-200215.log
-r-------- 1 root          trafficserver  73K  9月 24 20:02 crash-2015-09-24-200221.log
-r-------- 1 root          trafficserver  73K  9月 24 20:02 crash-2015-09-24-200227.log
-r-------- 1 root          trafficserver  73K  9月 24 20:02 crash-2015-09-24-200233.log
-r-------- 1 root          trafficserver  90K  9月 24 20:03 crash-2015-09-24-200344.log
-r-------- 1 root          trafficserver  73K  9月 24 20:03 crash-2015-09-24-200350.log
-r-------- 1 root          trafficserver  74K  9月 24 20:03 crash-2015-09-24-200356.log
-r-------- 1 root          trafficserver  73K  9月 24 20:04 crash-2015-09-24-200402.log
-r-------- 1 root          trafficserver  90K  9月 24 20:05 crash-2015-09-24-200524.log
-r-------- 1 root          trafficserver  87K  9月 24 20:05 crash-2015-09-24-200530.log
-r-------- 1 root          trafficserver  87K  9月 24 20:05 crash-2015-09-24-200536.log
-r-------- 1 root          trafficserver  87K  9月 24 20:05 crash-2015-09-24-200542.log
-r-------- 1 root          trafficserver  90K  9月 24 20:07 crash-2015-09-24-200723.log
-r-------- 1 root          trafficserver  73K  9月 24 20:07 crash-2015-09-24-200730.log
-r-------- 1 root          trafficserver  73K  9月 24 20:07 crash-2015-09-24-200736.log


At 2015-09-24 10:21:35, "Esmq" <esmq@163.com> wrote:

i will redeploy v6 on my production environment today,
if any cores or crashlog, i'll attach here.

PS. crash is hard to trigger,
and it seems like to concurrent connections.



At 2015-09-24 01:36:57, "James Peach" <jpeach@apache.org> wrote:
>
>> On Sep 23, 2015, at 8:41 AM, Leif Hedstrom <zwoop@apache.org> wrote:
>> 
>>> 
>>> On Sep 23, 2015, at 1:15 AM, Esmq <esmq@163.com> wrote:
>>> 
>>> hi,all
>>> after upgrade to ats v6, i observed ats crash for several times on all of my
servers.
>>> and it seems that when crash,  it will crash again in 2 minutes.
>>> 
>>> grep enabled diags.log 
>>> [Sep 14 12:02:54.705] Server {0x2b6938756700} NOTE: cache enabled
>>> [Sep 14 12:04:05.086] Server {0x2b6b1c76c700} NOTE: cache enabled
>>> [Sep 14 12:58:31.390] Server {0x2b13966fa700} NOTE: cache enabled
>>> [Sep 14 12:58:37.324] Server {0x2b8681047700} NOTE: cache enabled
>>> [Sep 14 13:00:48.937] Server {0x2ad1405be700} NOTE: cache enabled
>>> 
>> 
>> 
>> Did you get a core file? Also, please file a Jira. This looks like it might be related
to the new connection management features? bcall?
>
>Please also attach the crash log (after reviewing it for any information you don't want
made public!)
>
>
>> 
>> — Leif
>> 
>> 
>>> following is crash log in traffic.out,
>>> ##################################################################
>>> traffic_server: Segmentation fault (Address not mapped to object [0x20])
>>> traffic_server - STACK TRACE:
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_Z19crash_logger_invokeiP7siginfoPv+0x99)[0x4bce49]
>>> /lib/x86_64-linux-gnu/libc.so.6(+0x321e0)[0x2af280d3d1e0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x30)[0x72f130]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler9_close_vcEP18UnixNetVConnectionlRiS2_S2_S2_+0x20f)[0x7232bf]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler23manage_keep_alive_queueEv+0x9d)[0x7234ad]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN17HttpClientSession7releaseEP14IOBufferReader+0x1eb)[0x58b4ab]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN6HttpSM17tunnel_handler_uaEiP18HttpTunnelConsumer+0x265)[0x598a35]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10HttpTunnel16consumer_handlerEiP18HttpTunnelConsumer+0x9f)[0x5e71ff]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x110)[0x5e76b0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_Z15write_to_net_ioP10NetHandlerP18UnixNetVConnectionP7EThread+0x12e1)[0x730a11]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler12mainNetEventEiP5Event+0x273)[0x722a83]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN7EThread7executeEv+0x8b0)[0x752dc0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(main+0x14cf)[0x4a5aaf]
>>> /lib/x86_64-linux-gnu/libc.so.6(__libc_start_main+0xfd)[0x2af280d29ead]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server[0x4aad1d]
>>> traffic_server: using root directory '/usr/local/trafficserver-6.0.0'
>>> traffic_server: Segmentation fault (Address not mapped to object [0x20])
>>> traffic_server - STACK TRACE:
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_Z19crash_logger_invokeiP7siginfoPv+0x99)[0x4bce49]
>>> /lib/x86_64-linux-gnu/libc.so.6(+0x321e0)[0x2b6ca31a01e0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN18UnixNetVConnection9mainEventEiP5Event+0x30)[0x72f130]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler9_close_vcEP18UnixNetVConnectionlRiS2_S2_S2_+0x20f)[0x7232bf]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler23manage_keep_alive_queueEv+0x9d)[0x7234ad]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN17HttpClientSession7releaseEP14IOBufferReader+0x1eb)[0x58b4ab]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN6HttpSM17tunnel_handler_uaEiP18HttpTunnelConsumer+0x265)[0x598a35]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10HttpTunnel16consumer_handlerEiP18HttpTunnelConsumer+0x9f)[0x5e71ff]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10HttpTunnel12main_handlerEiPv+0x110)[0x5e76b0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_Z15write_to_net_ioP10NetHandlerP18UnixNetVConnectionP7EThread+0x12e1)[0x730a11]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN10NetHandler12mainNetEventEiP5Event+0x273)[0x722a83]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server(_ZN7EThread7executeEv+0x8b0)[0x752dc0]
>>> /usr/local/trafficserver-6.0.0/bin/traffic_server[0x75141a]
>>> /lib/x86_64-linux-gnu/libpthread.so.0(+0x6b50)[0x2b6ca3500b50]
>>> /lib/x86_64-linux-gnu/libc.so.6(clone+0x6d)[0x2b6ca324a70d]
>>> traffic_server: using root directory '/usr/local/trafficserver-6.0.0'
>





 





 
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