Kernel error! please help

[approx]

I got a kernel error with the msg bellow

Jul 22 05:29:19 core kernel: Eeek! page_mapcount(page) went negative! (-1)
Jul 22 05:29:19 core kernel:   page pfn = 8bb07
Jul 22 05:29:19 core kernel:   page->flags = 8000087c
Jul 22 05:29:19 core kernel:   page->count = 2
Jul 22 05:29:19 core kernel:   page->mapping = e643799c
[B]Jul 22 10:52:42 core syslogd 1.4.1: restart.[/B]

The server started again after 4 hours

This problem already happended for many times. Can someone tell me what's going on?

 

[Infopro]

Try here, might find something useful to go with.

 

[approx]

I think that's not a solution.. already tried to find on google but there's no luck how to fix it