[pgpool-general: 3393] Re: Segmentation fault

Muhammad Usama m.usama at gmail.com
Wed Dec 31 21:39:56 JST 2014


Hi

Thanks for providing the detailed information. I have checked-in the fix in
master and 3_4 stable branches.

http://git.postgresql.org/gitweb/?p=pgpool2.git;a=commit;h=34e0aa64d824ed49e36eb98aecc86099ca4f0f05

Best regards!
Muhammad Usama

On Wed, Dec 31, 2014 at 5:32 AM, Rene Romero Benavides <
rene.romero.b at gmail.com> wrote:

> This is the data gathered by abrtd
>
>
> https://drive.google.com/file/d/0B58Myr3AazeqRUR1ZFNnaTZQNTA/view?usp=sharing
>
> this is how my pgpool.conf file looks like:
>
> http://pastebin.com/r791kgLy
>
> and some lines of the log when it happens
>
> http://pastebin.com/enGWw26S
>
> The crash happens randomly this is a test set up for app development
> process, so, very few connections in general.
>
> Thanks for your support.
>
> 2014-12-23 11:24 GMT-06:00 Muhammad Usama <m.usama at gmail.com>:
>
> Hi
>>
>> Can you please provide some more information on how to reproduce this
>> segmentation fault. or if possible please provide the core dump,
>> pgpool configuration and pgpool log files.
>>
>> Thanks
>> Kind regards
>> Muhammad usama
>>
>>
>> On Thu, Dec 18, 2014 at 6:58 AM, Rene Romero Benavides
>> <rene.romero.b at gmail.com> wrote:
>> > Hello guys, how do I collect info about this issue?
>> >
>> > pgpool-II version 3.4.0 (tataraboshi) master-slave-streaming
>> replication -
>> > load balancing
>> >
>> > # dmesg
>> >
>> > ip_tables: (C) 2000-2006 Netfilter Core Team
>> > pgpool[4236]: segfault at 8 ip 0000000000468007 sp 00007fff37f957a8
>> error 4
>> > in pgpool[400000+12c000]
>> > pgpool[3853]: segfault at 0 ip 0000000000425fd3 sp 00007fff37f956f0
>> error 4
>> > in pgpool[400000+12c000]
>> > pgpool[3854]: segfault at 8 ip 0000000000468007 sp 00007fff37f957e8
>> error 4
>> > in pgpool[400000+12c000]
>> > pgpool[3819]: segfault at 8 ip 0000000000468007 sp 00007fff37f957e8
>> error 4
>> > in pgpool[400000+12c000]
>> > nf_conntrack: table full, dropping packet.
>> > nf_conntrack: table full, dropping packet.
>> > nf_conntrack: table full, dropping packet.
>> > nf_conntrack: table full, dropping packet.
>> >
>> >
>> > # tail pgpool.log
>> > 2014-12-18 01:18:23: pid 6304: ERROR:  unable to read data from frontend
>> > 2014-12-18 01:18:23: pid 6304: DETAIL:  socket read failed with an error
>> > "Connection reset by peer"
>> > 2014-12-18 01:18:23: pid 3752: WARNING:  child process with pid: 6304
>> was
>> > terminated by segmentation fault
>> >
>> > I've been issuing pgbench tests all day, maybe I've saturated some
>> operating
>> > system's buffer or something.
>> >
>> > Thanks for your attention.
>> >
>> > --
>> > El genio es 1% inspiración y 99% transpiración.
>> > Thomas Alva Edison
>> > http://pglearn.blogspot.mx/
>> >
>> >
>> > _______________________________________________
>> > pgpool-general mailing list
>> > pgpool-general at pgpool.net
>> > http://www.pgpool.net/mailman/listinfo/pgpool-general
>> >
>>
>
>
>
> --
> El genio es 1% inspiración y 99% transpiración.
> Thomas Alva Edison
> http://pglearn.blogspot.mx/
>
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.sraoss.jp/pipermail/pgpool-general/attachments/20141231/7da57b40/attachment.html>


More information about the pgpool-general mailing list