00:26:04.784  ========== Backtrace start: ==========
00:26:04.784  
00:26:04.784  in /var/jenkins/workspace/nvme-phy-autotest/spdk/test/nvme/sw_hotplug.sh:95 -> run_hotplug([])
00:26:04.784       ...
00:26:04.784     90  		# and kill it, if it hung.
00:26:04.784     91  		sleep $hotplug_wait
00:26:04.784     92  	
00:26:04.784     93  		if ! kill -0 "$hotplug_pid"; then
00:26:04.784     94  			# hotplug already finished, check for the error code.
00:26:04.784  => 95  			wait "$hotplug_pid"
00:26:04.784     96  		else
00:26:04.784     97  			echo "Killing hotplug application"
00:26:04.784     98  			killprocess $hotplug_pid
00:26:04.784     99  			return 1
00:26:04.784     100 		fi
00:26:04.784       ...
00:26:04.784  in /var/jenkins/workspace/nvme-phy-autotest/spdk/test/nvme/sw_hotplug.sh:148 -> main([])
00:26:04.784       ...
00:26:04.784     143 	xtrace_disable
00:26:04.784     144 	cache_pci_bus
00:26:04.784     145 	xtrace_restore
00:26:04.784     146 	
00:26:04.784     147 	# Run pci bus hotplug test
00:26:04.784  => 148 	run_hotplug
00:26:04.784     149 	
00:26:04.784     150 	# Run SPDK target based hotplug
00:26:04.784     151 	tgt_run_hotplug
00:26:04.784     152 	
00:26:04.784     153 	# Under the moonlight, this serious moonlight! \o/
00:26:04.784       ...
00:26:04.784  
00:26:04.784  ========== Backtrace end ==========
00:26:04.784  ========== Backtrace start: ==========
00:26:04.784  
00:26:04.784  in /var/jenkins/workspace/nvme-phy-autotest/spdk/autotest.sh:244 -> main(["/var/jenkins/workspace/nvme-phy-autotest/autorun-spdk.conf"])
00:26:04.784       ...
00:26:04.784     239 	
00:26:04.784     240 			run_test "nvme_rpc" $rootdir/test/nvme/nvme_rpc.sh
00:26:04.784     241 			run_test "nvme_rpc_timeouts" $rootdir/test/nvme/nvme_rpc_timeouts.sh
00:26:04.784     242 	
00:26:04.784     243 			if [ $(uname -s) = Linux ]; then
00:26:04.784  => 244 				run_test "sw_hotplug" $rootdir/test/nvme/sw_hotplug.sh
00:26:04.784     245 			fi
00:26:04.784     246 	
00:26:04.784     247 			if [[ $SPDK_TEST_XNVME -eq 1 ]]; then
00:26:04.784     248 				run_test "nvme_xnvme" $rootdir/test/nvme/xnvme/xnvme.sh
00:26:04.784     249 				run_test "blockdev_xnvme" $rootdir/test/bdev/blockdev.sh "xnvme"
00:26:04.784       ...
00:26:04.784  
00:26:04.784  ========== Backtrace end ==========