NFS mounts hang intermittently on Red Hat Enterprise Linux Servers running LinuxShield
Issue
- Whenever we issue a copy to the nfs mount - sometimes the client just hangs and only way to get it back is to reboot the client server.
- This happens very very often but not always.
- Captured the following backtrace from the console:
Call Trace: :lshook:inodeLookupHook+0xd4/0x148 do_lookup+0xe5/0x1e6 __link_path_walk+0xa01/0xf42 link_path_walk+0x42/0xb2 do_path_lookup+0x275/0x2f1 getname+0x15b/0x1c2 __user_walk_fd+0x37/0x4c vfs_lstat_fd+0x37/0x4c :nfs:nfs_readdir+0x0/0x91b :lshook:readdirHook+0x11f/0x12e filldir+0x0/0xb7 sys_newlstat+0x19/0x31 tracesys+0x71/0xe0 tracesys+0xd5/0xe0
Environment
- NFS4 server/client
- Red Hat Enterprise Linux 5.2
- McAfee Linuxshield Virus Scanning
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