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POCoredump is getting truncated
 

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    <p>I am setting </p> <pre><code>ulimit -c unlimited. </code></pre> <p>And in c++ program we are doing </p> <pre><code>struct rlimit corelimit; if (getrlimit(RLIMIT_CORE, &amp;corelimit) != 0) { return -1; } corelimit.rlim_cur = RLIM_INFINITY; corelimit.rlim_max = RLIM_INFINITY; if (setrlimit(RLIMIT_CORE, &amp;corelimit) != 0) { return -1; } </code></pre> <p>but whenever program is getting crashed the core dump generated by it is getting truncated. </p> <pre><code>BFD: Warning: /mnt/coredump/core.6685.1325912972 is truncated: expected core file size &gt;= 1136525312, found: 638976. </code></pre> <p>What can be the issue ?</p> <p>We are using <code>Ubuntu 10.04.3 LTS</code></p> <pre><code>Linux ip-&lt;ip&gt; 2.6.32-318-ec2 #38-Ubuntu SMP Thu Sep 1 18:09:30 UTC 2011 x86_64 GNU/Linux </code></pre> <p>This is my /etc/security/limits.conf</p> <pre><code># /etc/security/limits.conf # #Each line describes a limit for a user in the form: # #&lt;domain&gt; &lt;type&gt; &lt;item&gt; &lt;value&gt; # #Where: #&lt;domain&gt; can be: # - an user name # - a group name, with @group syntax # - the wildcard *, for default entry # - the wildcard %, can be also used with %group syntax, # for maxlogin limit # - NOTE: group and wildcard limits are not applied to root. # To apply a limit to the root user, &lt;domain&gt; must be # the literal username root. # #&lt;type&gt; can have the two values: # - "soft" for enforcing the soft limits # - "hard" for enforcing hard limits # #&lt;item&gt; can be one of the following: # - core - limits the core file size (KB) # - data - max data size (KB) # - fsize - maximum filesize (KB) # - memlock - max locked-in-memory address space (KB) # - nofile - max number of open files # - rss - max resident set size (KB) # - stack - max stack size (KB) # - cpu - max CPU time (MIN) # - nproc - max number of processes # - as - address space limit (KB) # - maxlogins - max number of logins for this user # - maxsyslogins - max number of logins on the system # - priority - the priority to run user process with # - locks - max number of file locks the user can hold # - sigpending - max number of pending signals # - msgqueue - max memory used by POSIX message queues (bytes) # - nice - max nice priority allowed to raise to values: [-20, 19] # - rtprio - max realtime priority # - chroot - change root to directory (Debian-specific) # #&lt;domain&gt; &lt;type&gt; &lt;item&gt; &lt;value&gt; # #* soft core 0 #root hard core 100000 #* hard rss 10000 #@student hard nproc 20 #@faculty soft nproc 20 #@faculty hard nproc 50 #ftp hard nproc 0 # ftp - chroot /ftp #@student - maxlogins 4 #for all users * hard nofile 16384 * soft nofile 9000 </code></pre> <p>More Details </p> <p>I am using gcc optimization flag </p> <pre><code>O3 </code></pre> <p>I am setting stack thread size to <code>.5 mb</code>. </p>
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    1. CODid you verify that you have free space in the partition where /mnt/coredump is?
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    3. COWhat size is the generated core file?
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