cxfs_check_and_recall(): Failed to get RO lock for inode XXX on a CIFS mounted filesystem

This document (7023917) is provided subject to the disclaimer at the end of this document.

Environment

SUSE Linux Enterprise Server 12 Service Pack 1 (SLES 12 SP1)
SUSE Linux Enterprise Server 12 Service Pack 2 (SLES 12 SP2)
SUSE Linux Enterprise Server 12 Service Pack 3 (SLES 12 SP3)

Application: CDR (Continuous Data Replicator) from CommVault Systems


Situation

Users are not able to open files on a CIFS mounted filesystem.
In the /var/log/messages file the following messages will be logged.

2019-05-31T10:20:07.689578+00:00 xxxxx kernel: [2841687.966564] 11138: ERROR: cxfs_check_and_recall(): Failed to get RO lock for inode 11258999068508205 of device 26 mounted under /usr/PIM: rc=-9
2019-05-31T10:20:07.777590+00:00 xxxxx kernel: [2841688.052061] 5935: ERROR: cxfs_check_and_recall(): Failed to get RO lock for inode 11540474045218861 of device 26 mounted under /usr/PIM: rc=-9
2019-05-31T10:20:07.865577+00:00 xxxxx kernel: [2841688.143027] 11140: ERROR: cxfs_check_and_recall(): Failed to get RO lock for inode 11821949021929517 of device 26 mounted under /usr/PIM: rc=-9

Resolution

Please contact CommVault to ask for a bugfix or an updated version.
A temporary workaround would be to unmount and mount the CIFS filesytem again.

Cause

In this case CDR is used to replicate data in CIFS shares from a source computer to a destination computer.
This is an error caused by the CommVault cdr.ko kernel module.
# /sbin/modinfo cdr
filename: /lib/modules/4.4.121-92.104-default/weak-updates/cdr.ko
license: CommVault Systems
description: File System Filter Driver
author: CommVault Systems
srcversion: C73A5A4684DDE6DAD284F0A
depends:
vermagic: 4.4.21-69-default SMP mod_unload modversions
parm: cvdrv_debug:int
parm: fsf_chr_major:int

# Known Module Parameter Values
/sys/module/cdr/parameters/cvdrv_debug=1
/sys/module/cdr/parameters/fsf_chr_major=101

Additional Information


Disclaimer

This Support Knowledgebase provides a valuable tool for SUSE customers and parties interested in our products and solutions to acquire information, ideas and learn from one another. Materials are provided for informational, personal or non-commercial use within your organization and are presented "AS IS" WITHOUT WARRANTY OF ANY KIND.

  • Document ID:7023917
  • Creation Date: 06-Jun-2019
  • Modified Date:03-Mar-2020
    • SUSE Linux Enterprise Server

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