Apache crashes with Trace module
mcload - February 8, 2009 - 06:53
| Project: | Trace |
| Version: | 6.x-1.0-alpha2 |
| Component: | Code |
| Category: | bug report |
| Priority: | normal |
| Assigned: | Arto |
| Status: | won't fix |
| Issue tags: | fastcgi, WSOD |
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Description
My apache server crashes when Trace module is enabled. It crashes on the main pages like www.mysite.com/drupal. Admin pages like www.mysite.com/drupal/admin are not affected. I checked the Apache log file. I saw three different error messages that occur randomly.
Parent: child process exited with status 1073807364 -- Restarting.
Parent: child process exited with status 255 -- Restarting.
Parent: child process exited with status 3221225725 -- Restarting.
Increased Apache LogLevel to debug, but it did not give extra error information.
I am using Drupal 6.9 on the latest XAMPP server ( Apache/2.2.11 (Win32) DAV/2 mod_ssl/2.2.11 OpenSSL/0.9.8i mod_autoindex_color PHP/5.2.8 ) on Vista 64bit.

#1
This is most likely a FastCGI-related WSoD caused by tracing some particular core hook that's not playing nice. See e.g. the warning about tracing the theming hook and the several other issues about WSoDs.
It's not unfortunately something that can be fixed in the Trace module other than removing tracing support for any particular hook that is causing trouble. (If you succeed in pinpoint the hook, please let us know.)
#2