Strange Segfault

[Igor Sysoev]

On Tue, Sep 23, 2008 at 11:49:05AM -0500, Resicow wrote:

> Hello,
> 
> I am receiving a strange segault in dmesg every few hours... and then 
> nginx orphans those connections, so after about a day there are 
> 2000-3000 connections that are just "waiting".
> 
> This isn't that bad, as the server has received over 1,228,503 
> connections since a restart this morning, but still those orphaned 
> connections pile up, and I have to restart nginx to clear them.
> 
> Here is what I am receiving:
> 
> nginx[27715]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27679]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27690]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27727]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27728]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27677]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27706]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27680]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[5214]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 error 
> 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27686]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27688]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27678]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27717]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27682]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27726]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27724]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> __ratelimit: 34 callbacks suppressed
> nginx[27720]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[22566]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27685]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[22587]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27722]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27696]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27691]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27701]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[23722]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[22562]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[27719]: segfault at c ip 00000030d106c942 sp 00007fffcd340728 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[22578]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> nginx[22560]: segfault at c ip 00000030d106c942 sp 00007fffcd340798 
> error 4 in libkrb5.so.3.3[30d1000000+9f000]
> 
> I know that libkrb5 is for kerberos... I don't think I am even using 
> that in my configuration. No DAV support, etc... So I don't understand 
> exactly why nginx is faulting.
> 
> Please let me know what additional information I can send that would be 
> helpful.

What does "ldd /path/to/nginx" show ?


-- 
Igor Sysoev
http://sysoev.ru/en/