[Xymon] xymonnet crashing after upgrade to 4.3.15

[Dominique Frise]

We've seen this also.

[bb at prdexp server]$ gdb bin/xymonnet tmp/core.64739
GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6_4.1)
...
...
Core was generated by `xymonnet --report --ping --checkresponse'.
Program terminated with signal 6, Aborted.
...
(gdb) bt
#0  0x00000035bdc32925 in raise () from /lib64/libc.so.6
#1  0x00000035bdc34105 in abort () from /lib64/libc.so.6
#2  0x000000000041e5c3 in sigsegv_handler (signum=<value optimized out>)
     at sig.c:57
#3  <signal handler called>
#4  0x000000000042320c in xmh_find_item (host=<value optimized out>,
     item=XMH_FLAG_HTTP_HEADER_MATCH) at loadhosts.c:226
#5  0x000000000040f7de in send_content_results (
     httptest=<value optimized out>, host=<value optimized out>,
     nonetpage=<value optimized out>, contenttestname=0x42abde "content",
     failgoesclear=1) at httpresult.c:456
#6  0x000000000040a1fd in main (argc=4, argv=0x7fff3c97eaf8) at 
xymonnet.c:2484


Dominique


On 02/06/2014 05:23 AM, Gavin Stone-Tolcher wrote:
> Just reporting that I too have seen 1 x core dump from xymonnet on our test xymon setup since upgrading to 4.3.15 on Monday. Relevant gdb output follows:
>
> [xymon at aztec server]$ gdb bin/xymonnet tmp/core.30031
> GNU gdb (GDB) Red Hat Enterprise Linux (7.2-60.el6_4.1)
> ....
> ....
> Core was generated by `xymonnet --report --ping --ping-tasks=5 --test-untagged --concurrency=64 --cont'.
> Program terminated with signal 6, Aborted.
> ....
>   (gdb) bt
> #0  0x0000003cfea32925 in raise () from /lib64/libc.so.6
> #1  0x0000003cfea34105 in abort () from /lib64/libc.so.6
> #2  0x0000000000426433 in sigsegv_handler (signum=<value optimized out>) at sig.c:57
> #3  <signal handler called>
> #4  0x000000000042b07c in xmh_find_item (host=<value optimized out>, item=XMH_FLAG_HTTP_HEADER_MATCH) at loadhosts.c:226
> #5  0x000000000040f84e in send_content_results (httptest=<value optimized out>, host=<value optimized out>, nonetpage=<value optimized out>, contenttestname=0x967030 "cont",
>      failgoesclear=1) at httpresult.c:456
> #6  0x000000000040a26d in main (argc=14, argv=0x7fffaf67cce8) at xymonnet.c:2484
>
> I have also applied the supplied patch and will report any issues.
>
> Cheers,
> Gavin Stone-Tolcher, IT Support Officer, Network Operations and Incident Response
> Information Technology Services
> The University of Queensland
> Level 4, Prentice Building, St Lucia 4072
> T: +61 7 334 66645, M: +61 401 140 838
> E: g.stone-tolcher at its.uq.edu.au W: www.its.uq.edu.au
>
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> -----Original Message-----
> From: Xymon [mailto:xymon-bounces at xymon.com] On Behalf Of Johan Sjöberg
> Sent: Wednesday, 5 February 2014 8:00 PM
> To: henrik at hswn.dk
> Cc: xymon at xymon.com
> Subject: Re: [Xymon] xymonnet crashing after upgrade to 4.3.15
>
>
>
>> -----Original Message-----
>> From: henrik at hswn.dk [mailto:henrik at hswn.dk]
>> Sent: den 5 februari 2014 09:50
>> To: Johan Sjöberg
>> Cc: xymon at xymon.com
>> Subject: RE: [Xymon] xymonnet crashing after upgrade to 4.3.15
>>
>> Den 2014-02-05 9:24, Johan Sjöberg skrev:
>>>> -----Original Message-----
>>>> From: henrik at hswn.dk [mailto:henrik at hswn.dk] could you try this
>>>> patch, please?
>>>
>>> Thanks. Can I just copy the new xymonnet binary after compiling, and
>>> skip the make install?
>>
>> Yes, that will work fine.
>>
>>
>> Regards,
>> Henrik
>
> Ok, I have applied it on one of our machines. I'll wait and see if it makes any difference. The crashes are not too frequent, it has happened 3-4 times on either server after the upgrade.
>
> /Johan
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