[Tickets #12184] Re: MYRIGHTS check on container

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Ticket URL: http://bugs.horde.org/ticket/12184
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  Ticket             | 12184
  Updated By         | Michael Slusarz <slusarz at horde.org>
  Summary            | MYRIGHTS check on container
  Queue              | IMP
  Version            | 6.0.4
  Type               | Bug
  State              | Resolved
  Priority           | 1. Low
  Milestone          |
  Patch              |
  Owners             | Michael Slusarz
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Michael Slusarz <slusarz at horde.org> (2013-04-18 14:10) wrote:

> Looks like this is a combination of this very exception/error and  
> Xdebug causing PHP to segfault. Since the IMAP error is still  
> logged, I associated this error with Horde not responding. Without  
> Xdebug the folder list is loaded now. Though that's obviously a bad  
> trade-off with not having Xdebug available for development.

FWIW, at the moment failed authentication in IMP and/or occasionally  
when sending a message (especially when Spam reporting) I also get  
segfaults.  This is on PHP 5.4.  I can verify that disabling APC  
(and/or the new zend optimizer) fixes this.

VERY annoying, but since it is both 1) intermittent and 2) traceable  
to a Zend extension I have to assume that it is not an issue with our  
code.  Really wish I could grab a segfault backtrace to debug, but I'm  
using a system that uses systemd which currently (braindead) limits  
segfaults to something like 24 MB.  And it is not configurable.  So  
all coredumps are tossed:

[1306160.980116] php-fpm[17690]: segfault at 71 ip 000000000074b839 sp  
00007fff061879a0 error 4 in php-fpm[400000+911000]
[1306161.828895] systemd-journald[177]: File passed too large. Ignoring.