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NFS Mount Points Hanging on Clients Error: "nfs4_reclaim_open_state unhandled error -11. Zeroing state" (Doc ID 2514036.1)

Last updated on MAY 24, 2020

Applies to:

Linux OS - Version Oracle Linux 6.0 and later
Linux x86-64

Goal

NFS mount points hanging on clients; Nfs clients have been hanging when accessing the mount point on some of our Linux servers, The NFS server is a module on a HP 3Par storage.

the error we see is:
nfs4_reclaim_open_state: unhandled error -11. Zeroing state

Logs:

nfsidmap[59569]: id_lookup: keyctl_instantiate failed: Key has been revoked

kernel: INFO: task java:26230 blocked for more than 120 seconds.
kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kernel: java            D ffffffff815cd200     0 26230  26086 0x00000080
kernel: ffff8809d3785d40 0000000000000086 ffff8809d3785fd8 0000000000013980
kernel: ffff8809d3784010 0000000000013980 0000000000013980 0000000000013980
kernel: ffff8809d3785fd8 0000000000013980 ffff8809d5f7e340 ffff880950eae5c0
kernel: Call Trace:
kernel: [<ffffffff8108d3a2>] ? hrtimer_cancel+0x22/0x30
kernel: [<ffffffff815a54f9>] schedule+0x29/0x70
kernel: [<ffffffff815a62c5>] rwsem_down_read_failed+0xa5/0xf9
kernel: [<ffffffff8129d4c4>] call_rwsem_down_read_failed+0x14/0x30
kernel: [<ffffffff815a4544>] ? down_read+0x24/0x30
kernel: [<ffffffff815a9e6b>] __do_page_fault+0x26b/0x4d0
kernel: [<ffffffff810c2232>] ? futex_wake+0x122/0x140
kernel: [<ffffffff810c3fbb>] ? do_futex+0xcb/0x1b0
kernel: [<ffffffff810b84ec>] ? getnstimeofday+0x4c/0xe0
kernel: [<ffffffff8100aa20>] ? xen_clocksource_read+0x20/0x30
kernel: [<ffffffff815aa0de>] do_page_fault+0xe/0x10
kernel: [<ffffffff815b1758>] page_fault+0x28/0x30
kernel: INFO: task java:77260 blocked for more than 120 seconds.
kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kernel: java            D ffffffff815cd200     0 77260  26086 0x00000080
kernel: ffff8800096afd78 0000000000000086 ffff8800096affd8 0000000000013980
kernel: ffff8800096ae010 0000000000013980 0000000000013980 0000000000013980
kernel: ffff8800096affd8 0000000000013980 ffff8809d5f883c0 ffff88041035c4c0
kernel: Call Trace:
kernel: [<ffffffff815a54f9>] schedule+0x29/0x70
kernel: [<ffffffff815a6175>] rwsem_down_write_failed+0xf5/0x1a0
kernel: [<ffffffff8129d4f3>] call_rwsem_down_write_failed+0x13/0x20
kernel: [<ffffffff815a4511>] ? down_write+0x31/0x40
kernel: [<ffffffff81151aee>] vm_mmap_pgoff+0x6e/0xb0
kernel: [<ffffffff81165e8b>] sys_mmap_pgoff+0x5b/0x230
kernel: [<ffffffff81019999>] sys_mmap+0x29/0x30
kernel: [<ffffffff815aec12>] system_call_fastpath+0x16/0x1b
kernel: INFO: task java:37057 blocked for more than 120 seconds.
kernel: "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.

kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state

kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state
kernel: NFS: nfs4_reclaim_open_state: unhandled error -11. Zeroing state

kernel: nfs: server wrkprdnfs1.cni.corporg.net not responding, still trying
kernel: nfs: server wrkprdnfs1.cni.corporg.net OK

kernel: nfs: server wrkprdnfs1.cni.corporg.net not responding, still trying
kernel: nfs: server wrkprdnfs1.cni.corporg.net OK
 

Solution

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