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From bugzi...@apache.org
Subject DO NOT REPLY [Bug 47966] Attempt to access virtual host causes httpd.exe to abort @ 0x01772072
Date Thu, 15 Oct 2009 21:57:42 GMT
https://issues.apache.org/bugzilla/show_bug.cgi?id=47966

--- Comment #17 from Rob Apgood <rob@apgood.com> 2009-10-15 14:57:38 UTC ---
Yes, the pdb files are in the same directory as the exe's.  I ensured that I
unpacked the pdb's for the version of apache that I am running
(apache_2.2.14-win32-x86-no_ssl-symbols.zip for
apache_2.2.14-win32-x86-no_ssl.msi installation).

The backtrace sequence I followed was:
1.  Start apache (httpd.exe is running)
2.  Open task manager and identify the pid for the httpd with lots of threads
(67 on my machine)
3.  Execute my PHP script and wait for httpd to abort attempting to access
memory location 0x00000000
3.  When abort occurs, I leave the error window for the aborting httpd and in a
cmd window, I execute the following: drwtsn32 -p <pid#>

That's the "in abort backtrace" I uploaded for you (id=24371).

And, I agree, the backtrace doesn't tell us much.  I'm not sure if we would
gain much by and interactive dbg, but I can try one if you like.  I have an old
version of Visual Studio ('97), but I doubt that it will be able to handle the
new MS text.  Can gdb identify the MS tags (I have used gcc for so long, I have
no idea how MS constructs their binaries)?

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