nginx1.0.0 have a kernel bug

[Mauro Stettler]

this is not a bug in the kernel, but the nginx is trying to access
some memory that it is not allowed to access.

did you add any modules? what is libunwind used for?
can you send the output of nginx -V



On Thu, Jun 16, 2011 at 09:54, lys0212 <nginx-forum at nginx.us> wrote:
> OS is redhat5.5 ,nginx 1.0.0 ,libunwind-0.99...
> The /var/log/message frequently appear the follow messages:
> Jun 13 10:20:31 localhost kernel: nginx[14431]: segfault at 2a2 ip
> 00007fa6b3a05eb6 sp 00007fff337d87e0 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 13 16:01:09 localhost kernel: nginx[13794]: segfault at 2a2 ip
> 00007fa6b3a05eb6 sp 00007fff337d87a0 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 13 17:55:00 localhost kernel: nginx[13808]: segfault at 2a2 ip
> 00007fa6b3a05eb6 sp 00007fff337d86e0 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 14 01:13:48 localhost kernel: nginx[14592]: segfault at 2a2 ip
> 00007fa6b3a05eb6 sp 00007fff337d87a0 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 14 01:47:13 localhost kernel: nginx[13153]: segfault at 2a2 ip
> 00007fa6b3a05eb6 sp 00007fff337d87e0 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 14 09:09:28 localhost kernel: nginx[28921]: segfault at 8008 ip
> 00007fa6b3a05eb6 sp 00007fff337d8c60 error 4 in
> libunwind.so.7.0.0[7fa6b39fb000+f000]
> Jun 14 15:47:33 localhost kernel: nginx[21295]: segfault at 2a2 ip
> 00007fde9e837eb6 sp 00007fffc48594a0 error 4 in
> libunwind.so.7.0.0[7fde9e82d000+f000]
>
> Can you help me solve it?
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,207390,207390#msg-207390
>
>
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