We have DELL R900 with CENTOS 5.5 installed. Recently I found /var/log/messages have following error come out. I used DELL OPMN check hardware but NO error. kernel: ctxhx[17268]: segfault at 00007fff1fa6afd8 rip 00002b8022887c96 rsp 00007fff1fa6afe0 error 6 anyone know what wrong? Thanks.