Getting 'blk_cloned_rq_check_limits: over max size limit' errors after updating the systems to kernel 2.6.32-642.el6 or later

Solution Verified - Updated -

Issue

  • After updating the system to kernel-2.6.32-642.el6 or later, there are following errors getting logged and this is causing dm-multipath path failures:

    Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: blk_cloned_rq_check_limits: over max size limit.
Jun 14 09:33:38 testhost kernel: device-mapper: multipath: Failing path 70:64.
Jun 14 09:33:38 testhost kernel: device-mapper: multipath: Failing path 71:80.
Jun 14 09:33:38 testhost multipathd: 70:64: mark as failed
Jun 14 09:33:38 testhost multipathd: nsd_crs_04: remaining active paths: 1
Jun 14 09:33:38 testhost multipathd: 71:80: mark as failed
[...]

Environment

  • Red Hat Enterprise Linux 6.8, 7.3
    o kernel-2.6.32-642.el6 or later
    o kernel-3.10.0-327.el7 or later
  • IBM GPFS version earlier than 4.1.1.8, 4.2.1.

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