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Description of problem: We have a RHEL7.2 System running with a zarafa mailserver After some days the webserver shows the following errors and zarafa webmail shows errors [Thu Jan 07 19:03:37.083671 2016] [core:notice] [pid 3864] AH00052: child pid 95202 exit signal Segmentation fault (11) [Thu Jan 07 19:03:38.087174 2016] [core:notice] [pid 3864] AH00052: child pid 95199 exit signal Segmentation fault (11) [Thu Jan 07 19:03:40.089149 2016] [core:notice] [pid 3864] AH00052: child pid 95204 exit signal Segmentation fault (11) [Thu Jan 07 19:03:41.091406 2016] [core:notice] [pid 3864] AH00052: child pid 95211 exit signal Segmentation fault (11) A restart of the webserver solves the problem Version-Release number of selected component (if applicable): php-5.4.16-36.el7_1.x86_64 How reproducible: Install php-5.4.16-36.el7_1.x86_64 zarafa-server-7.2.1.51838-319.2.x86_64 Steps to Reproduce: 1. Install zarafa 2. use webapp about 2 weeks 3. try to upload attachments -> DOES NOT WORK 4. the errors above occur Actual results: Expected results: Additional info: According to zarafa the problem is related to the following php-Bug https://bugs.php.net/bug.php?id=62129 which is fixed upstream in 5.4.20 http://php.net/ChangeLog-5.php Here you can find the related zarafa issue https://jira.zarafa.com/browse/WA-8975 The related diff between 5.4.19 and 5.4.20 is diff php-5.4.19/ext/session/session.c php-5.4.20/ext/session/session.c ... 2249,2250c2249,2253 < /* restore the orig callback */ < php_rfc1867_callback = php_session_rfc1867_orig_callback; --- > /* reset rfc1867 callbacks */ > php_session_rfc1867_orig_callback = NULL; > if (php_rfc1867_callback == php_session_rfc1867_callback) { > php_rfc1867_callback = NULL; > } Can you backport the fix? Regards Hansjoerg Maurer
http://git.php.net/?p=php-src.git;a=commit;h=ba3234888dfbe14dadac7ac6c403a58bc1fdd220
It should be obvious, but that patch doesn't apply directly. The two lines that are replaced don't actually exist because they were added by 336a8e1943af. Apparently the patch does fix this problem though.
I'm having the same problems. The apache server is "crashing after a few days due the PHP
The issue referenced above looks specific to PHP 5.4, the relevant ext/session code handling progress callbacks doesn't appear in 5.3. Anybody hitting server crashes in production, please contact Red Hat support who can help you identify a root cause for this.
Ugh, apologies, I'm reading too many bugs at once. This is a RHEL7 bug... ignore comment 5.
I can confirm that the suggested patch does indeed fix exactly this problem, fwiw.
how do you apply this patch ? Can somebody help with this.
Thanks John. Patrick, my advice above definitely applies: if you need help with a production deployment of RHEL please contact Red Hat support and reference this bug, we can get you test packages as necessary.
Hello Joe, Since i running a Clearos Server, i've posted this bugreport on the ClearOS forum. Maybe the developers from ClearOS can help.
Cross-filed case 01608198 on the Red Hat customer portal. Confirming hereby that the commit from comment #2 fixes this issue.
Since the problem described in this bug report should be resolved in a recent advisory, it has been closed with a resolution of ERRATA. For information on the advisory, and where to find the updated files, follow the link below. If the solution does not work for you, open a new bug report. https://rhn.redhat.com/errata/RHSA-2016-2598.html