RHEL5: NMI watchdog panicked the system due a BKL spinlock issue in NFS
Issue
- NMI watchdog panicked the system due a spinlock issue in NFS.
- NISP_PERF3_NISP went D state.
- Several
nfs: server xxxx not responding, still trying
messages are seen.
Environment
- Red Hat Enterprise Linux 5.6
- see on kernel 2.6.18-238.19.1.el5
- Proprietary modules loaded (EMC Powerpath)
- EMC powermt for PowerPath (c) Version 5.3 (build 185)
emcpdm(PU) emcpgpx(PU) emcpmpx(PU) emcp(PU)
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