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Website dashboard causes PHP-FPM core dump #9772

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ShadowNinja opened this issue Feb 13, 2016 · 3 comments
Closed

Website dashboard causes PHP-FPM core dump #9772

ShadowNinja opened this issue Feb 13, 2016 · 3 comments
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@tsteur
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worksforme The issue cannot be reproduced and things work as intended.
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2.16.1

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@ShadowNinja
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I recently updated my server to PHP 7.0.3 and updated Piwik to 2.16 at about the same time.
I noticed that after loading a website's dashboard a php-fpm process would dump core.
This only happens on the website dashboard page, not on any other page or in any other application.
The page still renders fine, so I'm not sure what effect this has.
I'm running Piwik through PHP/PHP-FPM 7.0.3 behind nginx.
This might be a PHP-FPM bug.
Backtrace I got:

systemd-coredump[<PID>]: Process <PID> (php-fpm) of user <UID> (http) dumped core.
Stack trace of thread 3248:
#0  0x00007fed5398c5f8 raise (libc.so.6)
#1  0x00000000006b4c15 n/a (php-fpm)
#2  0x00000000006b4d12 n/a (php-fpm)
#3  0x00007fed5398c680 __restore_rt (libc.so.6)
#4  0x00007fed53a42df0 accept (libc.so.6)
#5  0x00000000007207b0 n/a (php-fpm)
#6  0x000000000043372b n/a (php-fpm)
#7  0x00007fed53979610 __libc_start_main (libc.so.6)
#8  0x00000000004349f9 _start (php-fpm)
@tsteur
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tsteur commented Feb 13, 2016

Can you try to remove one widget after another to maybe find out by which widget of the dashboard it is caused?

@ShadowNinja
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This seems to be caused by this PHP-FPM bug, and the accompanying patch has been merged: https://bugs.php.net/bug.php?id=71269

@tsteur
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tsteur commented Feb 17, 2016

Thank you for letting us know

@tsteur tsteur added the worksforme The issue cannot be reproduced and things work as intended. label Feb 17, 2016
@tsteur tsteur added this to the 2.16.1 milestone Feb 17, 2016
@tsteur tsteur self-assigned this Feb 17, 2016
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@tsteur tsteur

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worksforme The issue cannot be reproduced and things work as intended.
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2.16.1
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@tsteur @ShadowNinja