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From "Plüm, Rüdiger, VF-Group" <ruediger.pl...@vodafone.com>
Subject RE: segmentation fault in worker.c
Date Wed, 08 Jul 2009 07:31:18 GMT
 

> -----Original Message-----
> From: Andrej van der Zee
> Sent: Mittwoch, 8. Juli 2009 06:19
> To: dev@httpd.apache.org
> Subject: segmentation fault in worker.c
> 
> Hi,
> 
> I compiled httpd-2.2.11 with "./configure --with-included-apr
> --enable-ssl --disable-cgi --disable-cgid --with-mpm=prefork
> --enable-status". HTTP requests seem to be processed fine from a users
> point of view, but I get many segfaults in my apache log when I
> seriously increase the workload. Here a trace from gdb:
> 
> Core was generated by `/usr/local/apache2/bin/httpd -k start'.
> Program terminated with signal 11, Segmentation fault.
> [New process 9935]
> #0  apr_pollset_add (pollset=0x0, descriptor=0xbf8225dc) at
> poll/unix/epoll.c:150
> 150	    if (pollset->flags & APR_POLLSET_NOCOPY) {
> (gdb) print pollset
> $1 = (apr_pollset_t *) 0x0
> (gdb) bt
> #0  apr_pollset_add (pollset=0x0, descriptor=0xbf8225dc) at
> poll/unix/epoll.c:150
> #1  0x080c2c41 in child_main (child_num_arg=<value optimized out>) at
> prefork.c:532
> #2  0x080c30f3 in make_child (s=0x9c849a8, slot=138) at prefork.c:746
> #3  0x080c3ef8 in ap_mpm_run (_pconf=0x9c7d0a8, plog=0x9cbb1a0,
> s=0x9c849a8) at prefork.c:881
> #4  0x0806e808 in main (argc=164081968, argv=0xbf822904) at main.c:740
> (gdb)

I guess you are hit by this:

https://issues.apache.org/bugzilla/show_bug.cgi?id=46467

Regards

Rüdiger

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