Red Hat Bugzilla – Bug 438087
unexplained kernel segfault and knot trap divide errors
Last modified: 2012-06-20 09:33:27 EDT
Description of problem: in our Scientific Linux cluster (SL 4.5 64bit) we have received the following two errors: wn014: Mar 12 09:09:20 wn014 kernel: knot[24574] trap divide error rip:405894 rsp:7fbfffe520 error:0 wn057: Feb 27 04:31:44 wn057 kernel: fs[4851]: segfault at 00000000ed410c22 rip 00000033ed3707b0 rsp 0000007fbfffb2a8 error 4 Errors are repeated many times (each 4-5 seconds) and appear every few days on most of the nodes. Version-Release number of selected component (if applicable): How reproducible: All nodes have 2.6.9-67.0.4.ELsmp x86_64 kernel and run a small set of ordinary services, plus a gpfs client software to mount a gpfs filesystem. Could the last one be creating the issues? Steps to Reproduce: 1. 2. 3. Actual results: Expected results: Additional info: Have you experienced this before? Could you point us at how we can source the problem or increase the level of debugging, so we can provide more valuable information?
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