RHEL6 NFS client panic in nfs4_do_reclaim
Issue
- Multiple systems all using a Netapp QTree shared NFS mount randomly reboot. After capturing a vmcore of the reboot, we see a "general protection fault: 0000 [#1] SMP" in the kernel ring buffer.
- Kernel crashes in nfs4_do_reclaim, either due to a general protection fault or a NULL pointer dereference
Environment
- Red Hat Enterprise Linux 6 (kernel version prior to 2.6.32-358.2.1.el6)
- NFSv4 client
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