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From Khaled Hussein <kha...@palnet.com>
Subject [users@httpd] Apache Core Dump (segfault)
Date Thu, 26 Jul 2007 09:49:25 GMT
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<font face="sans-serif">My apache server in last few days become give
me core dump, this happened when i added around 8 new domains and
restart my server gracefully it core dumped, i debug this issue and
start to analyze the problem, i found when i delete the last added
hosts it worked&nbsp; fine, then i stareted to add them one by one and i
reached to the point that no more hosts can be added i removed on of my
old vhosts so i added one instead of it, so it sounds like i reach a
limit number so i cannot add more sites , i searched the&nbsp; internet and
i found that there are no limit on number of vhosts in apache but may
be something related to my OS limitation on file descriptor, my system
is <br>
<br>
OS: FreeBSD 6.1 stable<br>
Apache: 2.2.4<br>
i used ulimit -n 30000, and sysctl kern.maxfiles 30000<br>
<br>
but the same issue , today i add coredumpdirectory to my config file
and tried to debug the result and here is the gdb result <br>
<br>
(gdb) bt full<br>
#0&nbsp; 0x28497461 in ?? ()<br>
No symbol table info available.<br>
#1&nbsp; 0xbfbfeb4b in ?? ()<br>
No symbol table info available.<br>
#2&nbsp; 0x00000080 in ?? ()<br>
No symbol table info available.<br>
#3&nbsp; 0xbfbfec28 in ?? ()<br>
No symbol table info available.<br>
#4&nbsp; 0x284efe54 in ?? ()<br>
No symbol table info available.<br>
#5&nbsp; 0x283cdc42 in ?? ()<br>
No symbol table info available.<br>
#6&nbsp; 0x080aa3e8 in http_cmds ()<br>
No symbol table info available.<br>
#7&nbsp; 0xbfbfea98 in ?? ()<br>
No symbol table info available.<br>
#8&nbsp; 0x28496ab2 in ?? ()<br>
No symbol table info available.<br>
#9&nbsp; 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#10 0x283d1e58 in ?? ()<br>
No symbol table info available.<br>
#11 0xbfbfec28 in ?? ()<br>
No symbol table info available.<br>
#12 0x283c171d in ?? ()<br>
No symbol table info available.<br>
#13 0xbfbfea70 in ?? ()<br>
No symbol table info available.<br>
#14 0x00000004 in ?? ()<br>
No symbol table info available.<br>
#15 0x00000010 in ?? ()<br>
No symbol table info available.<br>
#16 0x28314508 in ?? ()<br>
No symbol table info available.<br>
#17 0x00000002 in ?? ()<br>
No symbol table info available.<br>
#18 0x00000088 in ?? ()<br>
No symbol table info available.<br>
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit--- <br>
#19 0x080aa3b0 in http_cmds ()<br>
No symbol table info available.<br>
#20 0x080aa330 in http_cmds ()<br>
No symbol table info available.<br>
#21 0x46a84949 in ?? ()<br>
No symbol table info available.<br>
#22 0x0001746f in ?? ()<br>
No symbol table info available.<br>
#23 0x00000044 in ?? ()<br>
No symbol table info available.<br>
#24 0x28314508 in ?? ()<br>
No symbol table info available.<br>
#25 0x28003835 in ?? ()<br>
No symbol table info available.<br>
#26 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#27 0xbfbfeb88 in ?? ()<br>
No symbol table info available.<br>
#28 0x282aa63b in ?? ()<br>
No symbol table info available.<br>
#29 0x089d0ec0 in ?? ()<br>
No symbol table info available.<br>
#30 0x00000001 in ?? ()<br>
No symbol table info available.<br>
#31 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#32 0x00000010 in ?? ()<br>
No symbol table info available.<br>
#33 0x080a3000 in ap_bucket_type_error ()<br>
No symbol table info available.<br>
#34 0x080a3000 in ap_bucket_type_error ()<br>
No symbol table info available.<br>
#35 0xbfbfeb18 in ?? ()<br>
No symbol table info available.<br>
#36 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#37 0x089d8000 in ?? ()<br>
No symbol table info available.<br>
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit---<br>
#38 0x00002000 in ?? ()<br>
No symbol table info available.<br>
#39 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#40 0x00000044 in ?? ()<br>
No symbol table info available.<br>
#41 0x2830a4c9 in ?? ()<br>
No symbol table info available.<br>
#42 0x00040000 in ?? ()<br>
No symbol table info available.<br>
#43 0xbfbfeb48 in ?? ()<br>
No symbol table info available.<br>
#44 0x282338fe in ?? ()<br>
No symbol table info available.<br>
#45 0x080a3000 in ap_bucket_type_error ()<br>
No symbol table info available.<br>
#46 0x00000001 in ?? ()<br>
No symbol table info available.<br>
#47 0x00000004 in ?? ()<br>
No symbol table info available.<br>
#48 0x282338ca in ?? ()<br>
No symbol table info available.<br>
#49 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#50 0x00000011 in ?? ()<br>
No symbol table info available.<br>
#51 0x089db020 in ?? ()<br>
No symbol table info available.<br>
#52 0x00000004 in ?? ()<br>
No symbol table info available.<br>
#53 0x00000561 in ?? ()<br>
No symbol table info available.<br>
#54 0x08264370 in ?? ()<br>
No symbol table info available.<br>
#55 0xbfbfeb78 in ?? ()<br>
No symbol table info available.<br>
#56 0x286c9109 in ?? ()<br>
No symbol table info available.<br>
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit---<br>
#57 0xbfbfec18 in ?? ()<br>
No symbol table info available.<br>
#58 0x080aa330 in http_cmds ()<br>
No symbol table info available.<br>
#59 0xbfbfeba8 in ?? ()<br>
No symbol table info available.<br>
#60 0x2824c4b4 in ?? ()<br>
No symbol table info available.<br>
#61 0x08b49900 in ?? ()<br>
No symbol table info available.<br>
#62 0x00000000 in ?? ()<br>
No symbol table info available.<br>
#63 0xbfbfeb88 in ?? ()<br>
No symbol table info available.<br>
#64 0x2824a14b in ?? ()<br>
No symbol table info available.<br>
#65 0x2830a4c9 in ?? ()<br>
No symbol table info available.<br>
#66 0xbfbfebb0 in ?? ()<br>
No symbol table info available.<br>
#67 0xbfbfebe8 in ?? ()<br>
No symbol table info available.<br>
#68 0x28206c08 in ?? ()<br>
No symbol table info available.<br>
#69 0x2824c4b4 in ?? ()<br>
No symbol table info available.<br>
#70 0x08b49900 in ?? ()<br>
No symbol table info available.<br>
#71 0xbfbfebc8 in ?? ()<br>
No symbol table info available.<br>
#72 0x2823bba2 in ?? ()<br>
No symbol table info available.<br>
#73 0x08b49900 in ?? ()<br>
No symbol table info available.<br>
#74 0x00000002 in ?? ()<br>
No symbol table info available.<br>
#75 0x00000010 in ?? ()<br>
No symbol table info available.<br>
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit---<br>
#76 0x28206c08 in ?? ()<br>
No symbol table info available.<br>
#77 0x080ac018 in mime_cmds ()<br>
No symbol table info available.<br>
#78 0x080eac60 in ?? ()<br>
No symbol table info available.<br>
#79 0xbfbfebc8 in ?? ()<br>
No symbol table info available.<br>
#80 0x282075af in ?? ()<br>
No symbol table info available.<br>
#81 0x080ac018 in mime_cmds ()<br>
No symbol table info available.<br>
#82 0x00000010 in ?? ()<br>
No symbol table info available.<br>
#83 0x00000010 in ?? ()<br>
No symbol table info available.<br>
#84 0x2821316c in ?? ()<br>
No symbol table info available.<br>
#85 0x080ac018 in mime_cmds ()<br>
No symbol table info available.<br>
#86 0x080ac018 in mime_cmds ()<br>
No symbol table info available.<br>
#87 0xbfbfebe8 in ?? ()<br>
No symbol table info available.<br>
#88 0x282075af in ?? ()<br>
No symbol table info available.<br>
#89 0x080ac018 in mime_cmds ()<br>
No symbol table info available.<br>
#90 0x00000010 in ?? ()<br>
No symbol table info available.<br>
#91 0x282053c0 in ?? ()<br>
No symbol table info available.<br>
#92 0x283d1e58 in ?? ()<br>
No symbol table info available.<br>
#93 0x08102018 in ?? ()<br>
No symbol table info available.<br>
#94 0x283cad93 in ?? ()<br>
No symbol table info available.<br>
---Type &lt;return&gt; to continue, or q &lt;return&gt; to quit---<br>
#95 0xbfbfec18 in ?? ()<br>
No symbol table info available.<br>
#96 0x08074d53 in log_error_core (file=0xbfbfeab0 "\002", line=22,
level=0, status=675094104, s=0xbfbfec28, c=0x2, r=0xbfbfea70, pool=0x4,
<br>
&nbsp;&nbsp;&nbsp; fmt=0x10 &lt;Address 0x10 out of bounds&gt;, args=0x28314508
"D4\f") at log.c:570<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; errstr = "tes of
entropy\n\000\214\000\000\000&#65533;&#45055;\002\000\000\0000\000\000
\000connection_aborted\000\b&#65533;&#703;&#65533;\r\000\000\000&#65533;&#45055;\214\000\000\000&#65533;&#45055;\002
\000\000\000
\000\000\000headers_list\000&#45055;\214\000\000\000&#65533;&#45055;\002\000\000\000
\000\000\000headers_sent\000&#45055;\214\000\000\000&#65533;&#45055;\002\000\000\000
\000\000\000header\000&#65533;\r\000\000\000&#65533;&#45055;\214\000\000\000&#65533;&#45055;\002\000\000
\000 \000\000\000setrawcookie\000&#45055;\214\000\000\000&#65533;&#45055;"...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; scratch =
"\214\000\000\000&#65533;&#45055;\002\000\000\0000\000\000\000array_intersect_assoc
\000&#65533;&#65533;\021\000\000\000&#65533;&#45055;\214\000\000\000&#65533;&#45055;\002\000\000\000
\000\000\000array_uintersect\000\000\000\000&#65533;&#45055;\002\000\000\0000\000\000
\000array_intersect_ukey\000&#65533;&#65533;&#65533;\024\000\000\000&#65533;&#45055;\214\000\000\000&#65533;&#45055;\002
\000\000\0000\000\000\000array_intersect_key\0000&#65533;&#65533;&#65533;\020\000\000\000&#65533;&#45055;
\214\000\000\000&#65533;&#45055;\002\000\000\000 \000\000\000array_in"...<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; len = 676170676<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; errstrlen = 0<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; logf = (apr_file_t
*) 0xbf00636f<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; referer = 0x1 &lt;Address
0x1 out of bounds&gt;<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; level_and_mask = 1936941407<br>
Previous frame inner to this frame (corrupt stack?)<br>
<br>
<br>
so please i cannot find where to start the solution, any one has an
idea about this <br>
<br>
</font>
<pre class="moz-signature" cols="72">-- 
Best regards,
*********************************************
Khaled J. Hussein
System Manager
Hadara Technologies Group
<a class="moz-txt-link-abbreviated" href="mailto:khaled@palnet.com">khaled@palnet.com</a>
<a class="moz-txt-link-freetext" href="http://www.palnet.com">http://www.palnet.com</a>
Tel. +972 2-240-3434   
Fax. +972 2-240-3430
**********************************************
</pre>
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