VM creation fails with 'blk_cloned_rq_check_limits' errors
Issue
-
Getting
blk_cloned_rq_check_limits
errors while creating a VM in RHV:kernel: blk_update_request: critical target error, dev dm-31, sector 1454376940 op 0x9:(WRITE_ZEROES) flags 0x0 phys_seg 0 prio class 0 kernel: blk_update_request: critical target error, dev dm-31, sector 1456211920 op 0x9:(WRITE_ZEROES) flags 0x0 phys_seg 0 prio class 0 kernel: blk_update_request: critical target error, dev dm-31, sector 1453328380 op 0x9:(WRITE_ZEROES) flags 0x0 phys_seg 0 prio class 0 kernel: device-mapper: multipath: Failing path 65:224. kernel: device-mapper: multipath: Failing path 8:64. kernel: blk_cloned_rq_check_limits: over max size limit. (65535 > 0) multipath[2735244]: dm-31: no usable paths found multipathd[2900]: sde: mark as failed multipathd[2900]: 360010ead0878abc1234567890: remaining active paths: 1 multipathd[2900]: sdae: mark as failed multipathd[2900]: 360010ead0878abc1234567890: Entering recovery mode: max_retries=4 multipathd[2900]: 360010ead0878abc1234567890: remaining active paths: 0 [...] multipathd[2900]: 360010ead0878abc1234567890: sde - tur checker reports path is up kernel: device-mapper: multipath: Reinstating path 8:64. multipathd[2900]: 8:64: reinstated multipathd[2900]: 360010ead0878abc1234567890: queue_if_no_path enabled multipathd[2900]: 360010ead0878abc1234567890: Recovered to normal mode multipathd[2900]: 360010ead0878abc1234567890: remaining active paths: 1 kernel: blk_cloned_rq_check_limits: over max size limit. (65535 > 0) kernel: device-mapper: multipath: Failing path 8:64. kernel: blk_cloned_rq_check_limits: over max size limit. (65535 > 0) kernel: blk_cloned_rq_check_limits: over max size limit. (65535 > 0) [...]
Environment
- Red Hat Virtualization 4.4
- HITACHI, OPEN-V SAN
- device-mapper-multipath
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