WP 3.0.1 APC 3.1.4 PHP 5.3.3 == White wp-adnmin page

I have the same problem right now with WP 3.0.1 + APC 3.1.4 + PHP 5.3.3

Did you find a workaround ?

I got bitten by this too. It was a site that was running just fine on PHP 5.2.x, but upgrading to 5.3.x broke it.

The specific symptoms are that include_once and require_once became no-op, and never included the subject file even if it was the first hit since the server started.

Disabling the APC cache resumed service in the WP admin. But that’s hardly what you would term a fix. This led me to the apc.include_once_override configuration directive, which I turned off and service has resumed.

[ long rant about the steaming pile of annoyance that php 5.3 has been deleted ]

I lied. That only seemed to work. APC is off for me now.

I configured apc.include_once_override = 0 and my WordPress Admin is working great now.

Nico-
Check again, if you can. For me, service was okay for a brief while (not a certain # of hits, but just a little while) and then ceased.

@svanegmond : it’s still working but my site is still in staging.

Here is my full APC conf :

Directive	Local Value
apc.cache_by_default	On
apc.canonicalize	On
apc.coredump_unmap	Off
apc.enable_cli	Off
apc.enabled	On
apc.file_md5	Off
apc.file_update_protection	2
apc.filters	no value
apc.gc_ttl	3600
apc.include_once_override	Off
apc.lazy_classes	Off
apc.lazy_functions	Off
apc.max_file_size	1M
apc.mmap_file_mask	/tmp/apc.fmF19e
apc.num_files_hint	2000
apc.preload_path	no value
apc.report_autofilter	Off
apc.rfc1867	Off
apc.rfc1867_freq	0
apc.rfc1867_name	APC_UPLOAD_PROGRESS
apc.rfc1867_prefix	upload_
apc.rfc1867_ttl	3600
apc.shm_segments	1
apc.shm_size	120M
apc.slam_defense	Off
apc.stat	On
apc.stat_ctime	Off
apc.ttl	7200
apc.use_request_time	On
apc.user_entries_hint	4096
apc.user_ttl	7200
apc.write_lock	On

Ha. Mine just said:

extension=apc.so
apc.shm_size = 128M
apc.include_once_override = 0

I’ll try your config, after checking out what it all means, and report back.

My conf is what is shown with phpinfo(), you know.

I guess my apache custom conf is just “apc.include_once_override = 0”

Your config settings are all standard, except for the TTL settings and the mmap file mask. The mmap file mask is a substantial setting. I used your config file with no changes, and it didn’t work for me.

Hnnnngh.

(This is php 5.3.2 and apc 3.1.3p1-2, from Debian)

My php is 5.3.3 and APC 3.1.4, system is Ubuntu like twiz in the first post.

Hope that helps

Not sure if I am posting in the right place but I am getting the following at the top of my admin page:

Warning: mkdir() [function.mkdir]: File exists in /home/content/28/6478128/html/wp-content/plugins/theme-options/library/snippet_functions.php(357) : eval()’d code on line 290

Warning: session_start() [function.session-start]: Cannot send session cache limiter – headers already sent (output started at /home/content/28/6478128/html/wp-content/plugins/theme-options/library/snippet_functions.php(357) : eval()’d code:290) in /home/content/28/6478128/html/wp-content/plugins/si-contact-form/si-contact-form.php on line 1124

I am having trouble posting and adding images. Can anyone help me?

I recently installed APC and was getting white screen of death. Thanks to input in this thread, I resolved it by setting apc.include_once_override=0

I also updated to the latest version of APC using PECL, although I cannot say that I saw anything relevant to the wp issue in the release notes.

FYI – I’m running Ubuntu 5.2.6-3ubuntu4.6, APC 3.1.6 and WP 3.0.4

Danny Lieberman