Could you also provide some code snippets from what you are trying to do. 
Thanks.

On Tuesday, September 13, 2022 at 10:21:02 AM UTC-7 Manish Khandelwal wrote:

> Hi All, 
>
>
> Created a custom channel and populated SslCredentials with ca cert, client 
> cert and client key. Below assertion is observed once 
> channel.WaitForConnected is called.  
>
> I0913 17:07:25.303815824   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.303940980   17165 init.cc:212]               
>  grpc_shutdown(void)
> I0913 17:07:25.304056078   17165 init.cc:212]               
>  grpc_shutdown(void)
> I0913 17:07:25.304331812   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.304439088   17165 secure_channel_create.cc:201] 
> grpc_secure_channel_create(creds=0x7fa6ec010d80, target=10.220.6.50:50058, 
> args=0x7fa705760590, reserved=(nil))
> I0913 17:07:25.304579888   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.305033297   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec00fc70)
> I0913 17:07:25.305103697   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 1 -> 2
> I0913 17:07:25.305229970   17165 client_channel.cc:1402]     
> chand=0x7fa6ec00fa08: creating client_channel for channel stack 
> 0x7fa6ec00f958
> I0913 17:07:25.305320485   17165 ev_posix.cc:304]            (polling-api) 
> pollset_init(0x7fa6ec011c70)
> I0913 17:07:25.305436421   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:796 
> ref 1 -> 2 pollset
> I0913 17:07:25.305555151   17165 timer_generic.cc:364]       TIMER 
> 0x7fa6ec00e4d0: SET 5003 now 3 call 0x7fa6ec00e508[0x7fa70b4823cd]
> I0913 17:07:25.305665221   17165 timer_generic.cc:401]         .. add to 
> shard 0 with queue_deadline_cap=0 => is_first_timer=false
> I0913 17:07:25.305775850   17165 ev_posix.cc:364]            (polling-api) 
> pollset_set_add_pollset(0x7fa6ec00fc70, 0x7fa6ec011c70)
> I0913 17:07:25.305887875   17165 ev_epollex_linux.cc:1450]   
> PSS:0x7fa6ec00fc70: add pollset 0x7fa6ec011c70
> I0913 17:07:25.306001577   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1241 
> ref 2 -> 3 pollset_as_multipollable
> I0913 17:07:25.306742453   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1244 
> unref 3 -> 2 pollset
> I0913 17:07:25.306846936   17165 ev_epollex_linux.cc:569]    (fd-trace) 
> Pollable_create: created epfd: 16 (type: 0)
> I0913 17:07:25.306956168   17165 ev_epollex_linux.cc:1249]   
> PS:0x7fa6ec011c70 active pollable transition from empty to multi
> I0913 17:07:25.307059253   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec011dc8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1280 
> ref 1 -> 2 pollset_set
> I0913 17:07:25.307174631   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1281 
> unref 2 -> 1 pollset_as_multipollable
> I0913 17:07:25.307288891   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec011dc8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1478 
> unref 2 -> 1 pollset_set
> I0913 17:07:25.307496739   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.334856920   17165 init.cc:212]               
>  grpc_shutdown(void)
> I0913 17:07:25.335164222   17165 channel_connectivity.cc:43] 
> grpc_channel_check_connectivity_state(channel=0x7fa6ec00f8c0, 
> try_to_connect=1)
> I0913 17:07:25.335212831   17165 connectivity_state.cc:174] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: get current 
> state: IDLE
> I0913 17:07:25.335308933   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 1 
> -> 2 TryToConnect
> I0913 17:07:25.335442749   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1926]
> I0913 17:07:25.335517898   17165 work_serializer.cc:65]        Executing 
> immediately
> I0913 17:07:25.335660933   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 2 
> -> 3 ClientChannelControlHelper
> I0913 17:07:25.335822965   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec0105f0)
> I0913 17:07:25.335905657   17165 ref_counted.h:92]           
> lb_policy_refcount:0x7fa6ec001688 ref 1 -> 2
> I0913 17:07:25.336194241   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec010670)
> I0913 17:07:25.336355155   17165 ev_posix.cc:377]            (polling-api) 
> pollset_set_add_pollset_set(0x7fa6ec010670, 0x7fa6ec0105f0)
> I0913 17:07:25.336457682   17165 ev_epollex_linux.cc:1487]   PSS: merge 
> (0x7fa6ec010670, 0x7fa6ec0105f0)
> I0913 17:07:25.307856561   17166 executor.cc:224]            EXECUTOR 
> (default-executor) [0]: step (sub_depth=0)
> I0913 17:07:25.307920536   17167 executor.cc:224]            EXECUTOR 
> (resolver-executor) [0]: step (sub_depth=0)
> I0913 17:07:25.336576133   17165 ev_epollex_linux.cc:1521]   PSS: parent 
> 0x7fa6ec010670 to 0x7fa6ec0105f0
> I0913 17:07:25.337203867   17165 resolving_lb_policy.cc:163] 
> resolving_lb=0x7fa6ec001680: starting name resolution
> I0913 17:07:25.337258063   17165 ref_counted.h:92]           
> lb_policy_refcount:0x7fa6ec001688 ref 2 -> 3
> I0913 17:07:25.337429314   17165 client_channel.cc:1306]     
> chand=0x7fa6ec00fa08: update: state=CONNECTING picker=0x7fa6ec0127e0
> I0913 17:07:25.337497200   17165 connectivity_state.cc:152] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: IDLE -> 
> CONNECTING (helper)
> I0913 17:07:25.337667613   17165 ref_counted.h:103]         
>  resolver_refcount:0x7fa6ec0129d8 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc:434
>  
> ref 1 -> 2 dns-resolving
> I0913 17:07:25.338277467   17165 grpc_ares_wrapper.cc:128]   (c-ares 
> resolver) request:0x7fa6ec012b80 c-ares address sorting: input[0]=
> 10.220.6.50:50058
> I0913 17:07:25.338486711   17165 grpc_ares_wrapper.cc:128]   (c-ares 
> resolver) request:0x7fa6ec012b80 c-ares address sorting: output[0]=
> 10.220.6.50:50058
> I0913 17:07:25.338643994   17165 ev_posix.cc:377]            (polling-api) 
> pollset_set_add_pollset_set(0x7fa6ec0105f0, 0x7fa6ec00fc70)
> I0913 17:07:25.338706851   17165 ev_epollex_linux.cc:1487]   PSS: merge 
> (0x7fa6ec0105f0, 0x7fa6ec00fc70)
> I0913 17:07:25.338813848   17165 ev_epollex_linux.cc:1521]   PSS: parent 
> 0x7fa6ec0105f0 to 0x7fa6ec00fc70
> I0913 17:07:25.339155232   17165 client_channel.cc:1581]     
> chand=0x7fa6ec00fa08: creat[4173222.493507] serial8250: too much work for 
> irq4
> ed resolving_lb_policy=0x7fa6ec001680
> I0913 17:07:25.339274241   17165 ref_counted.h:199]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:105 
> unref 3 -> 2 TryToConnect
> I0913 17:07:25.339380121   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.339499410   17165 work_serializer.cc:117]       Queue 
> Drained
> I0913 17:07:25.339617022   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc:327]
> I0913 17:07:25.339708934   17165 work_serializer.cc:65]        Executing 
> immediately
> I0913 17:07:25.339876553   17165 resolving_lb_policy.cc:293] 
> resolving_lb=0x7fa6ec001680: got resolver result
> I0913 17:07:25.340316832   17165 ref_counted.h:92]           
> lb_policy_refcount:0x7fa6ec001688 ref 3 -> 4
> I0913 17:07:25.340460426   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec012e20)
> I0913 17:07:25.340571334   17165 resolving_lb_policy.cc:258] 
> resolving_lb=0x7fa6ec001680: created new LB policy 0x7fa6ec012b80
> I0913 17:07:25.340654584   17165 ev_posix.cc:377]            (polling-api) 
> pollset_set_add_pollset_set(0x7fa6ec012e20, 0x7fa6ec0105f0)
> I0913 17:07:25.380510767   17165 ev_epollex_linux.cc:1487]   PSS: merge 
> (0x7fa6ec012e20, 0x7fa6ec0105f0)
> I0913 17:07:25.380744037   17165 ev_epollex_linux.cc:1521]   PSS: parent 
> 0x7fa6ec012e20 to 0x7fa6ec00fc70
> I0913 17:07:25.380469980   17168 timer_generic.cc:716]       TIMER CHECK 
> BEGIN: now=78 next=9223372036854775807 tls_min=0 glob_min=0
> I0913 17:07:25.385597447   17168 timer_generic.cc:611]         .. 
> shard[0]->min_deadline = 1
> I0913 17:07:25.386931416   17168 timer_generic.cc:534]         .. 
> shard[0]: heap_empty=true
> I0913 17:07:25.391432826   17168 timer_generic.cc:509]         .. 
> shard[0]->queue_deadline_cap --> 1078
> I0913 17:07:25.391458807   17168 timer_generic.cc:574]         .. shard[0] 
> popped 0
> I0913 17:07:25.392370096   17168 timer_generic.cc:629]         .. result 
> --> 1, shard[0]->min_deadline 1 --> 1079, now=78
> I0913 17:07:25.393245905   17168 timer_generic.cc:534]         .. 
> shard[1]: heap_empty=true
> I0913 17:07:25.394042375   17168 timer_generic.cc:509]         .. 
> shard[1]->queue_deadline_cap --> 1078
> I0913 17:07:25.394793309   17168 timer_generic.cc:574]         .. shard[1] 
> popped 0
> I0913 17:07:25.395162909   17168 timer_generic.cc:629]         .. result 
> --> 1, shard[1]->min_deadline 1 --> 1079, now=78
> I0913 17:07:25.384528317   17165 resolving_lb_policy.cc:240] 
> resolving_lb=0x7fa6ec001680: Updating child policy 0x7fa6ec012b80
> I0913 17:07:25.396767303   17165 child_policy_handler.cc:211] 
> [child_policy_handler 0x7fa6ec012b80] creating new child policy pick_first
> I0913 17:07:25.397911862   17165 ref_counted.h:103]         
>  lb_policy_refcount:0x7fa6ec012b88 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/lb_policy/child_policy_handler.cc:258
>  
> ref 1 -> 2 Helper
> I0913 17:07:25.397978351   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec0130c0)
> I0913 17:07:25.398036179   17165 pick_first.cc:146]          Pick First 
> 0x7fa6ec010af0 created.
> I0913 17:07:25.399215100   17165 child_policy_handler.cc:272] 
> [child_policy_handler 0x7fa6ec012b80] created new LB policy "pick_first" 
> (0x7fa6ec010af0)
> I0913 17:07:25.399387189   17165 ev_posix.cc:377]            (polling-api) 
> pollset_set_add_pollset_set(0x7fa6ec0130c0, 0x7fa6ec012e20)
> I0913 17:07:25.399397525   17165 ev_epollex_linux.cc:1487]   PSS: merge 
> (0x7fa6ec0130c0, 0x7fa6ec012e20)
> I0913 17:07:25.399502008   17165 ev_epollex_linux.cc:1521]   PSS: parent 
> 0x7fa6ec0130c0 to 0x7fa6ec00fc70
> I0913 17:07:25.399616268   17165 child_policy_handler.cc:230] 
> [child_policy_handler 0x7fa6ec012b80] updating child policy 0x7fa6ec010af0
> I0913 17:07:25.399732763   17165 pick_first.cc:265]          Pick First 
> 0x7fa6ec010af0 received update with 1 addresses
> I0913 17:07:25.399861830   17165 subchannel_list.h:361]      [pick_first 
> 0x7fa6ec010af0] Creating subchannel list 0x7fa6ec00ed40 for 1 subchannels
> I0913 17:07:25.400047329   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 2 -> 3
> I0913 17:07:25.400099011   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 3 -> 4
> I0913 17:07:25.407755012   17168 timer_generic.cc:534]         .. 
> shard[2]: heap_empty=true
> I0913 17:07:25.407776244   17168 timer_generic.cc:509]         .. 
> shard[2]->queue_deadline_cap --> 1078
> I0913 17:07:25.407922352   17168 timer_generic.cc:574]         .. shard[2] 
> popped 0
> I0913 17:07:25.408062314   17168 timer_generic.cc:629]         .. result 
> --> 1, shard[2]->min_deadline 1 --> 1079, now=78
> I0913 17:07:25.408211215   17168 timer_generic.cc:534]         .. 
> shard[3]: heap_empty=true
> I0913 17:07:25.408946504   17168 timer_generic.cc:509]         .. 
> shard[3]->queue_deadline_cap --> 1078
> I0913 17:07:25.409368625   17168 timer_generic.cc:574]         .. shard[3] 
> popped 0
> I0913 17:07:25.409511939   17168 timer_generic.cc:629]         .. result 
> --> 1, shard[3]->min_deadline 1 --> 1079, now=78
> I0913 17:07:25.409652739   17168 timer_generic.cc:739]       TIMER CHECK 
> END: r=1; next=1079
> I0913 17:07:25.409791304   17168 timer_manager.cc:188]       sleep for a 
> 1001 milliseconds
> I0913 17:07:25.410554530   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 4 -> 5
> I0913 17:07:25.410646720   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 5 -> 6
> I0913 17:07:25.410764054   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 1 -> 2 connector_arg_copy
> I0913 17:07:25.410875800   17165 ref_counted.h:199]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/transport/chttp2/client/secure/secure_channel_create.cc:144
>  
> unref 2 -> 1 lb_channel_create
> I0913 17:07:25.410993133   17165 ref_counted.h:183]         
>  subchannel_pool:0x7fa6ec00b9c8 unref 6 -> 5
> I0913 17:07:25.411102086   17165 ref_counted.h:183]         
>  subchannel_pool:0x7fa6ec00b9c8 unref 5 -> 4
> I0913 17:07:25.411285908   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 1 -> 2 connector_arg_copy
> I0913 17:07:25.411333959   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 4 -> 5
> I0913 17:07:25.411511914   17165 ev_posix.cc:352]            (polling-api) 
> pollset_set_create(0x7fa6ec03d640)
> I0913 17:07:25.411604943   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 5 -> 6
> I0913 17:07:25.411669755   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 2 -> 3 connector_arg_copy
> I0913 17:07:25.413236714   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 3 -> 4 connector_arg_copy
> I0913 17:07:25.413338403   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 6 -> 7
> I0913 17:07:25.413450429   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 7 -> 8
> I0913 17:07:25.413561895   17165 ref_counted.h:183]         
>  subchannel_pool:0x7fa6ec00b9c8 unref 8 -> 7
> I0913 17:07:25.413666937   17165 ref_counted.h:199]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:86
>  
> unref 4 -> 3 connector_arg_destroy
> I0913 17:07:25.413773375   17165 ref_counted.h:183]         
>  subchannel_pool:0x7fa6ec00b9c8 unref 7 -> 6
> I0913 17:07:25.414899775   17165 client_channel.cc:868]     
>  chand=0x7fa6ec00fa08: creating subchannel wrapper 0x7fa6ec03da30 for 
> subchannel 0x7fa6ec033280
> I0913 17:07:25.414985540   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 2 
> -> 3 SubchannelWrapper
> I0913 17:07:25.415218810   17165 subchannel_list.h:404]      [pick_first 
> 0x7fa6ec010af0] subchannel list 0x7fa6ec00ed40 index 0: Created subchannel 
> 0x7fa6ec03da30 for address uri ipv4:10.220.6.50:50058
> I0913 17:07:25.415344245   17165 ref_counted.h:103]         
>  lb_policy_refcount:0x7fa6ec010af8 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc:93
>  
> ref 1 -> 2 subchannel_list
> I0913 17:07:25.415441464   17165 subchannel_list.h:308]      [pick_first 
> 0x7fa6ec010af0] subchannel list 0x7fa6ec00ed40 index 0 of 1 (subchannel 
> 0x7fa6ec03da30): starting watch (from IDLE)
> I0913 17:07:25.415542035   17165 ref_counted.h:103]         
>  pick_first:0x7fa6ec00ed48 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/lb_policy/subchannel_list.h:317
>  
> ref 1 -> 2 Watcher
> I0913 17:07:25.415705464   17165 ref_counted.h:103]         
>  client_channel_routing:0x7fa6ec03da38 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:921
>  
> ref 1 -> 2 WatcherWrapper
> I0913 17:07:25.443438598   17165 ev_posix.cc:377]            (polling-api) 
> pollset_set_add_pollset_set(0x7fa6ec03d640, 0x7fa6ec0130c0)
> I0913 17:07:25.443463740   17165 ev_epollex_linux.cc:1487]   PSS: merge 
> (0x7fa6ec03d640, 0x7fa6ec0130c0)
> I0913 17:07:25.443569620   17165 ev_epollex_linux.cc:1521]   PSS: parent 
> 0x7fa6ec03d640 to 0x7fa6ec00fc70
> I0913 17:07:25.443969391   17165 socket_utils_common_posix.cc:320] 
> Enabling TCP_USER_TIMEOUT with a timeout of 10000 ms
> I0913 17:07:25.445888071   17165 ev_posix.cc:254]            (polling-api) 
> fd_create(18, tcp-client:ipv4:10.220.6.50:50058, 1)
> I0913 17:07:25.446187550   17165 ev_posix.cc:255]            (fd-trace) 
> fd_create(18, tcp-client:ipv4:10.220.6.50:50058, 1)
> I0913 17:07:25.446316058   17165 ev_posix.cc:394]            (polling-api) 
> pollset_set_add_fd(0x7fa6ec03d640, 18)
> I0913 17:07:25.446402382   17165 ev_epollex_linux.cc:1353]   
> PSS:0x7fa6ec03d640: add fd 0x7fa6ec03e720 (18)
> I0913 17:07:25.446514687   17165 ev_epollex_linux.cc:616]    add fd 
> 0x7fa6ec03e720 (18) to pollable 0x7fa6ec011dc0
> I0913 17:07:25.446658560   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 6 -> 7
> I0913 17:07:25.446745163   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 3 -> 4 connector_arg_copy
> I0913 17:07:25.446854395   17165 tcp_client_posix.c[4173222.577355] 
> serial8250: too much work for irq4
> c:329]    CLIENT_CONNECT: ipv4:10.220.6.50:50058: asynchronously 
> connecting fd 0x7fa6ec03e720
> I0913 17:07:25.446979271   17165 timer_generic.cc:364]       TIMER 
> 0x7fa6ec012c20: SET 20036 now 36 call 0x7fa6ec012c58[0x7fa70b61f33b]
> I0913 17:07:25.447319258   17165 timer_generic.cc:401]         .. add to 
> shard 0 with queue_deadline_cap=1078 => is_first_timer=false
> I0913 17:07:25.447601138   17165 ref_counted.h:199]         
>  resolver_refcount:0x7fa6ec0129d8 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/resolver/dns/c_ares/dns_resolver_ares.cc:396
>  
> unref 2 -> 1 dns-resolving
> I0913 17:07:25.447646674   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.447753112   17165 work_serializer.cc:117]       Queue 
> Drained
> I0913 17:07:25.447868211   17165 client_channel.cc:1033]     
> chand=0x7fa6ec00fa08: connectivity change for subchannel wrapper 
> 0x7fa6ec03da30 subchannel 0x7fa6ec033280; hopping into work_serializer
> I0913 17:07:25.447979119   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1044]
> I0913 17:07:25.448078573   17165 work_serializer.cc:65]        Executing 
> immediately
> I0913 17:07:25.448185570   17165 client_channel.cc:1066]     
> chand=0x7fa6ec00fa08: processing connectivity change in work serializer for 
> subchannel wrapper 0x7fa6ec03da30 subchannel 0x7fa6ec033280 
> watcher=0x7fa6ec03ba20
> I0913 17:07:25.448334751   17165 subchannel_list.h:241]      [pick_first 
> 0x7fa6ec010af0] subchannel list 0x7fa6ec00ed40 index 0 of 1 (subchannel 
> 0x7fa6ec03da30): connectivity changed: state=CONNECTING, shutting_down=0, 
> pending_watcher=0x7fa6ec03ba20
> I0913 17:07:25.448437557   17165 ref_counted.h:103]         
>  lb_policy_refcount:0x7fa6ec010af8 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/lb_policy/pick_first/pick_first.cc:410
>  
> ref 2 -> 3 QueuePicker
> I0913 17:07:25.448549582   17165 client_channel.cc:1306]     
> chand=0x7fa6ec00fa08: update: state=CONNECTING picker=0x7fa6ec013ac0
> I0913 17:07:25.448671944   17165 ref_counted.h:199]         
>  lb_policy_refcount:0x7fa6ec001688 
> /home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/lb_policy.h:375
>  
> unref 4 -> 3 QueuePicker
> I0913 17:07:25.448745697   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.449227881   17165 work_serializer.cc:117]       Queue 
> Drained
> I0913 17:07:25.449335436   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.449470928   17165 completion_queue.cc:526]   
>  grpc_completion_queue_create_internal(completion_type=0, polling_type=0)
> I0913 17:07:25.449589100   17165 ev_posix.cc:304]            (polling-api) 
> pollset_init(0x7fa6ec03f298)
> I0913 17:07:25.449735767   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:796 
> ref 1 -> 2 pollset
> I0913 17:07:25.480508672   17165 channel_connectivity.cc:232] 
> grpc_channel_watch_connectivity_state(channel=0x7fa6ec00f8c0, 
> last_observed_state=0, deadline=gpr_timespec { tv_sec: 1663089445, tv_nsec: 
> 335137682, clock_type: 1 }, cq=0x7fa6ec03f190, tag=0x7fa6ec013a50)
> I0913 17:07:25.480579072   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 3 
> -> 4 watch_channel_connectivity
> I0913 17:07:25.480707859   17165 ev_posix.cc:364]            (polling-api) 
> pollset_set_add_pollset(0x7fa6ec00fc70, 0x7fa6ec03f298)
> I0913 17:07:25.480900901   17165 ev_epollex_linux.cc:1450]   
> PSS:0x7fa6ec00fc70: add pollset 0x7fa6ec03f298
> I0913 17:07:25.481010971   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1241 
> ref 2 -> 3 pollset_as_multipollable
> I0913 17:07:25.481119085   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1244 
> unref 3 -> 2 pollset
> I0913 17:07:25.481230272   17165 ev_epollex_linux.cc:569]    (fd-trace) 
> Pollable_create: created epfd: 19 (type: 0)
> I0913 17:07:25.481345650   17165 ev_epollex_linux.cc:1249]   
> PS:0x7fa6ec03f298 active pollable transition from empty to multi
> I0913 17:07:25.481428063   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec03f638 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1280 
> ref 1 -> 2 pollset_set
> I0913 17:07:25.481534501   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1281 
> unref 2 -> 1 pollset_as_multipollable
> I0913 17:07:25.481642056   17165 ev_epollex_linux.cc:616]    add fd 
> 0x7fa6ec03e720 (18) to pollable 0x7fa6ec03f630
> I0913 17:07:25.481755758   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec03f638 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1478 
> unref 2 -> 1 pollset_set
> I0913 17:07:25.481859402   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 4 
> -> 5 ExternalConnectivityWatcher
> I0913 17:07:25.482000482   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1155]
> I0913 17:07:25.482080380   17165 work_serializer.cc:65]        Executing 
> immediately
> I0913 17:07:25.482211402   17165 timer_generic.cc:364]       TIMER 
> 0x7fa6ec03f418: SET 600034 now 180 call 0x7fa6ec03f388[0x7fa70b482e3b]
> I0913 17:07:25.482299402   17165 timer_generic.cc:401]         .. add to 
> shard 0 with queue_deadline_cap=1078 => is_first_timer=false
> I0913 17:07:25.482430983   17165 connectivity_state.cc:118] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: add watcher 
> 0x7fa6ec03f130
> I0913 17:07:25.482516190   17165 connectivity_state.cc:124] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: notifying watcher 
> 0x7fa6ec03f130: IDLE -> CONNECTING
> I0913 17:07:25.482647771   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1175]
> I0913 17:07:25.482732139   17165 work_serializer.cc:76]        Scheduling 
> on queue : item 0x7fa6ec03ec80
> I0913 17:07:25.482900317   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.482950044   17165 work_serializer.cc:134]       Running 
> item 0x7fa6ec03ec80 : callback scheduled at 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1175]
> I0913 17:07:25.483054526   17165 connectivity_state.cc:141] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: remove watcher 
> 0x7fa6ec03f130
> I0913 17:07:25.483184711   17165 ev_posix.cc:371]            (polling-api) 
> pollset_set_del_pollset(0x7fa6ec00fc70, 0x7fa6ec03f298)
> I0913 17:07:25.483269917   17165 ev_epollex_linux.cc:1398]   
> PSS:0x7fa6ec00fc70: del pollset 0x7fa6ec03f298
> I0913 17:07:25.483379707   17165 ev_epollex_linux.cc:664]   
>  PS:0x7fa6ec03f298 (pollable:0x7fa6ec03f630) maybe_finish_shutdown sc=(nil) 
> (target:!NULL) rw=(nil) (target:NULL) cpsc=0 (target:0)
> I0913 17:07:25.511424054   17165 ref_counted.h:199]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:105 
> unref 5 -> 4 ExternalConnectivityWatcher
> I0913 17:07:25.511541387   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.511615978   17165 work_serializer.cc:117]       Queue 
> Drained
> I0913 17:07:25.511634695   17165 timer_generic.cc:467]       TIMER 
> 0x7fa6ec03f418: CANCEL pending=true
> I0913 17:07:25.511748397   17165 completion_queue.cc:707]   
>  cq_end_op_for_next(cq=0x7fa6ec03f190, tag=0x7fa6ec013a50, error="No 
> Error", done=0x7fa70b482a2e, done_arg=0x7fa6ec03f310, 
> storage=0x7fa6ec03f460)
> I0913 17:07:25.511850644   17165 ev_posix.cc:331]            (polling-api) 
> pollset_kick(0x7fa6ec03f298, (nil))
> I0913 17:07:25.511959597   1[4173222.646290] serial8250: too much work for 
> irq4
> 7165 ev_epollex_linux.cc:731]    PS:0x7fa6ec03f298 kick (nil) 
> tls_pollset=(nil) tls_worker=(nil) pollset.root_worker=(nil)
> I0913 17:07:25.512064638   17165 ev_epollex_linux.cc:741]   
>  PS:0x7fa6ec03f298 kicked_any_without_poller
> I0913 17:07:25.512201248   17165 completion_queue.cc:982]   
>  grpc_completion_queue_next(cq=0x7fa6ec03f190, deadline=gpr_timespec { 
> tv_sec: 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
> I0913 17:07:25.512371381   17165 ref_counted.h:199]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:105 
> unref 4 -> 3 watch_channel_connectivity
> I0913 17:07:25.512474746   17165 completion_queue.cc:1083]   
> RETURN_EVENT[0x7fa6ec03f190]: OP_COMPLETE: tag:0x7fa6ec013a50 OK
> I0913 17:07:25.512537882   17165 completion_queue.cc:1425]   
> grpc_completion_queue_destroy(cq=0x7fa6ec03f190)
> I0913 17:07:25.512637895   17165 completion_queue.cc:1419]   
> grpc_completion_queue_shutdown(cq=0x7fa6ec03f190)
> I0913 17:07:25.512750200   17165 ev_posix.cc:309]            (polling-api) 
> pollset_shutdown(0x7fa6ec03f298)
> I0913 17:07:25.512975648   17165 ev_epollex_linux.cc:664]   
>  PS:0x7fa6ec03f298 (pollable:0x7fa6ec03f630) maybe_finish_shutdown 
> sc=0x7fa6ec03f1d0 (target:!NULL) rw=(nil) (target:NULL) cpsc=0 (target:0)
> I0913 17:07:25.513091305   17165 ev_posix.cc:314]            (polling-api) 
> pollset_destroy(0x7fa6ec03f298)
> I0913 17:07:25.513200816   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec03f638 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:927 
> unref 1 -> 0 pollset
> I0913 17:07:25.513311165   17165 ev_epollex_linux.cc:149]    (fd-trace) 
> pollable_unref: Closing epfd: 19
> I0913 17:07:25.513445540   17165 init.cc:212]               
>  grpc_shutdown(void)
> I0913 17:07:25.513544994   17165 channel_connectivity.cc:43] 
> grpc_channel_check_connectivity_state(channel=0x7fa6ec00f8c0, 
> try_to_connect=1)
> I0913 17:07:25.513658695   17165 connectivity_state.cc:174] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: get current 
> state: CONNECTING
> I0913 17:07:25.513767368   17165 init.cc:165]               
>  grpc_init(void)
> I0913 17:07:25.513882746   17165 completion_queue.cc:526]   
>  grpc_completion_queue_create_internal(completion_type=0, polling_type=0)
> I0913 17:07:25.513992257   17165 ev_posix.cc:304]            (polling-api) 
> pollset_init(0x7fa6ec03f738)
> I0913 17:07:25.514111267   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:796 
> ref 1 -> 2 pollset
> I0913 17:07:25.514229997   17165 channel_connectivity.cc:232] 
> grpc_channel_watch_connectivity_state(channel=0x7fa6ec00f8c0, 
> last_observed_state=1, deadline=gpr_timespec { tv_sec: 1663089445, tv_nsec: 
> 335137682, clock_type: 1 }, cq=0x7fa6ec03f630, tag=0x7fa6ec013b20)
> I0913 17:07:25.514340067   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 3 
> -> 4 watch_channel_connectivity
> I0913 17:07:25.514452930   17165 ev_posix.cc:364]            (polling-api) 
> pollset_set_add_pollset(0x7fa6ec00fc70, 0x7fa6ec03f738)
> I0913 17:07:25.514564397   17165 ev_epollex_linux.cc:1450]   
> PSS:0x7fa6ec00fc70: add pollset 0x7fa6ec03f738
> I0913 17:07:25.514675584   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1241 
> ref 2 -> 3 pollset_as_multipollable
> I0913 17:07:25.542637797   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1244 
> unref 3 -> 2 pollset
> I0913 17:07:25.542729429   17165 ev_epollex_linux.cc:569]    (fd-trace) 
> Pollable_create: created epfd: 19 (type: 0)
> I0913 17:07:25.542869950   17165 ev_epollex_linux.cc:1249]   
> PS:0x7fa6ec03f738 active pollable transition from empty to multi
> I0913 17:07:25.542934483   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec03fdd8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1280 
> ref 1 -> 2 pollset_set
> I0913 17:07:25.543148477   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec00ac08 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1281 
> unref 2 -> 1 pollset_as_multipollable
> I0913 17:07:25.543274750   17165 ev_epollex_linux.cc:616]    add fd 
> 0x7fa6ec03e720 (18) to pollable 0x7fa6ec03fdd0
> I0913 17:07:25.543391245   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec03fdd8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1478 
> unref 2 -> 1 pollset_set
> I0913 17:07:25.543491817   17165 ref_counted.h:133]         
>  stream_refcount:0x7fa6ec00f958 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/transport/transport.h:88 ref 4 
> -> 5 ExternalConnectivityWatcher
> I0913 17:07:25.543632617   17165 work_serializer.cc:55]     
>  WorkSerializer::Run() 0x7fa6ec00bf80 Scheduling callback 
> [/home/rcheppudira/new_grpc/grpc/src/core/ext/filters/client_channel/client_channel.cc:1155]
> I0913 17:07:25.543722572   17165 work_serializer.cc:65]        Executing 
> immediately
> I0913 17:07:25.543974280   17165 timer_generic.cc:364]       TIMER 
> 0x7fa6ec03f418: SET 600034 now 242 call 0x7fa6ec03f388[0x7fa70b482e3b]
> I0913 17:07:25.544049988   17165 timer_generic.cc:401]         .. add to 
> shard 0 with queue_deadline_cap=1078 => is_first_timer=false
> I0913 17:07:25.544172909   17165 connectivity_state.cc:118] 
>  ConnectivityStateTracker client_channel[0x7fa6ec00fac8]: add watcher 
> 0x7fa6ec03f5d0
> I0913 17:07:25.544299461   17165 work_serializer.cc:102]     
> WorkSerializer::DrainQueue() 0x7fa6ec00bf80
> I0913 17:07:25.544386902   17165 work_serializer.cc:117]       Queue 
> Drained
> I0913 17:07:25.544504236   17165 completion_queue.cc:982]   
>  grpc_completion_queue_next(cq=0x7fa6ec03f630, deadline=gpr_timespec { 
> tv_sec: 9223372036854775807, tv_nsec: 0, clock_type: 1 }, reserved=(nil))
> I0913 17:07:25.544651741   17165 ev_posix.cc:322]            (polling-api) 
> pollset_work(0x7fa6ec03f738, 9223372036854775807) begin
> I0913 17:07:25.544765442   17165 ev_epollex_linux.cc:1120]   
> PS:0x7fa6ec03f738 work hdl=(nil) worker=0x7fa7057602f0 now=243 
> deadline=9223372036854775807 kwp=0 pollable=0x7fa6ec03fdd0
> I0913 17:07:25.544948147   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec03fdd8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1018 
> ref 1 -> 2 pollset_worker
> I0913 17:07:25.545075537   17165 ev_epollex_linux.cc:938]   
>  POLLABLE:0x7fa6ec03fdd0[type=pollset epfd=19 wakeup=20] poll for -1ms
> I0913 17:07:25.571483922   17165 ev_epollex_linux.cc:957]   
>  POLLABLE:0x7fa6ec03fdd0 got 1 events
> I0913 17:07:25.571542309   17165 ev_epollex_linux.cc:905]   
>  PS:0x7fa6ec03f738 got fd 0x7fa6ec03e720: cancel=0 read=0 write=1
> I0913 17:07:25.571681153   17165 tcp_client_posix.cc:142]   
>  CLIENT_CONNECT: ipv4:10.220.6.50:50058: on_writable: error="No Error"
> I0913 17:07:25.571790944   17165 timer_generic.cc:467]       TIMER 
> 0x7fa6ec012c20: CANCEL pending=true
> I0913 17:07:25.571914423   17165 ev_posix.cc:400]            (polling-api) 
> pollset_set_del_fd(0x7fa6ec03d640, 18)
> I0913 17:07:25.572013319   17165 ev_epollex_linux.cc:1377]   
> PSS:0x7fa6ec03d640: del fd 0x7fa6ec03e720
> I0913 17:07:25.572390182   17165 combiner.cc:61]             
> C:0x7fa6ec03f4f0 create
> I0913 17:07:25.572544950   17165 ref_counted.h:103]         
>  tcp:0x7fa6ec0403d8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/tcp_posix.cc:1823 ref 1 
> -> 2 error-tracking
> I0913 17:07:25.572643566   17165 tcp_client_posix.cc:105]   
>  CLIENT_CONNECT: ipv4:10.220.6.50:50058: on_alarm: error="Cancelled"
> I0913 17:07:25.572758665   17165 ref_counted.h:183]         
>  subchannel_pool:0x7fa6ec00b9c8 unref 7 -> 6
> I0913 17:07:25.572988862   17165 ref_counted.h:199]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:86
>  
> unref 4 -> 3 connector_arg_destroy
> I0913 17:07:25.573173801   17165 handshaker.cc:99]           
> handshake_manager 0x7fa6ec038720: adding handshaker http_connect 
> [0x7fa6ec040f40] at index 0
> I0913 17:07:25.573545916   17165 ssl_transport_security.cc:220]     
>  HANDSHAKE START -      before SSL initialization  - PINIT
> I0913 17:07:25.573650398   17165 ssl_transport_security.cc:220]           
>       LOOP -      before SSL initialization  - PINIT
> I0913 17:07:25.573789243   17165 ssl_transport_security.cc:220]           
>       LOOP -   SSLv3/TLS write client hello  -  TWCH
> I0913 17:07:25.573852379   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/transport/security_handshaker.cc:113
>  
> ref 3 -> 4 handshake
> I0913 17:07:25.573949878   17165 handshaker.cc:99]           
> handshake_manager 0x7fa6ec038720: adding handshaker security 
> [0x7fa6ec05c6e0] at index 1
> I0913 17:07:25.574059668   17165 ev_posix.cc:394]            (polling-api) 
> pollset_set_add_fd(0x7fa6ec03d640, 18)
> I0913 17:07:25.574176722   17165 ev_epollex_linux.cc:1353]   
> PSS:0x7fa6ec03d640: add fd 0x7fa6ec03e720 (18)
> I0913 17:07:25.574290144   17165 ev_epollex_linux.cc:616]    add fd 
> 0x7fa6ec03e720 (18) to pollable 0x7fa6ec011dc0
> I0913 17:07:25.574407198   17165 ev_epollex_linux.cc:616]    add fd 
> 0x7fa6ec03e720 (18) to pollable 0x7fa6ec03fdd0
> I0913 17:07:25.574524252   17165 ref_counted.h:92]           
> subchannel_pool:0x7fa6ec00b9c8 ref 6 -> 7
> I0913 17:07:25.574623148   17165 ref_counted.h:103]         
>  security_connector_refcount:0x7fa6ec013038 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/security/security_connector/security_connector.cc:92
>  
> ref 4 -> 5 connector_arg_copy
> I0913 17:07:25.574756125   17165 timer_generic.cc:364]       TIMER 
> 0x7fa6ec0387d8: SET 20036 now 273 call 0x7fa6ec038810[0x7fa70b5f12d2]
> I0913 17:07:25.574843287   17165 timer_generic.cc:401]         .. add to 
> shard 0 with queue_deadline_cap=1078 => is_first_timer=false
> I0913 17:07:25.575114551   17165 handshaker.cc:129]         
>  handshake_manager 0x7fa6ec038720: error="No Error" shutdown=0 index=0, 
> args={endpoint=0x7fa6ec0403b0, args=0x7fa6ec012830 {size=12: 
> grpc.primary_user_agent=grpc-c++/1.30.0, grpc.keepalive_time_ms=10000, 
> grpc.keepalive_timeout_ms=10000, 
> grpc.ssl_target_name_override=Infinera.com, 
> grpc.client_channel_factory=0x7fa6ec00e9f0, 
> grpc.channel_credentials=0x7fa6ec010d80, grpc.server_uri=dns:///
> 10.220.6.50:50058, grpc.default_authority=Infinera.com, 
> grpc.subchannel_pool=0x7fa6ec00b9c0, grpc.http2_scheme=https, 
> grpc.security_connector=0x7fa6ec013030, grpc.subchannel_address=ipv4:
> 10.220.6.50:50058}, read_buffer=0x7fa6ec012bf0 (length=0), exit_early=0}
> I0913 17:07:25.575178246   17165 handshaker.cc:176]         
>  handshake_manager 0x7fa6ec038720: calling handshaker http_connect 
> [0x7fa6ec040f40] at index 0
> I0913 17:07:25.575312900   17165 handshaker.cc:129]         
>  handshake_manager 0x7fa6ec038720: error="No Error" shutdown=0 index=1, 
> args={endpoint=0x7fa6ec0403b0, args=0x7fa6ec012830 {size=12: 
> grpc.primary_user_agent=grpc-c++/1.30.0, grpc.keepalive_time_ms=10000, 
> grpc.keepalive_timeout_ms=10000, 
> grpc.ssl_target_name_override=Infinera.com, 
> grpc.client_channel_factory=0x7fa6ec00e9f0, 
> grpc.channel_credentials=0x7fa6ec010d80, grpc.server_uri=dns:///
> 10.220.6.50:50058, grpc.default_authority=Infinera.com, 
> grpc.subchannel_pool=0x7fa6ec00b9c0, grpc.http2_scheme=https, 
> grpc.security_connector=0x7fa6ec013030, grpc.subchannel_address=ipv4:
> 10.220.6.50:50058}, read_buffer=0x7fa6ec012bf0 (length=0), exit_early=0}
> I0913 17:07:25.603279024   17165 handshaker.cc:176]         
>  handshake_manager 0x7fa6ec038720: calling handshaker security 
> [0x7fa6ec05c6e0] at index 1
> I0913 17:07:25.603416192   17165 tcp_posix.cc:1566]          WRITE 
> 0x7fa6ec0403b0 (peer=ipv4:10.220.6.50:50058)
> I0913 17:07:25.603619012   17165 tcp_posix.cc:1616]          write: "No 
> Error"
> I0913 17:07:25.603753386   17165 ref_counted.h:103]         
>  tcp:0x7fa6ec0403d8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/tcp_posix.cc:908 ref 2 
> -> 3 read
> I0913 17:07:25.604010961   17165 tcp_posix.cc:541]           
> TCP:0x7fa6ec0403b0 notify_on_read
> I0913 17:07:25.604401513   17165 ref_counted.h:199]         
>  pollable_refcount:0x7fa6ec03fdd8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1085 
> unref 2 -> 1 pollset_worker
> I0913 17:07:25.604615228   17165 ev_epollex_linux.cc:664]   
>  PS:0x7fa6ec03f738 (pollable:0x7fa6ec03fdd0) maybe_finish_shutdown sc=(nil) 
> (target:!NULL) rw=(nil) (target:NULL) cpsc=1 (target:0)
> I0913 17:07:25.604730047   17165 ev_posix.cc:325]            (polling-api) 
> pollset_work(0x7fa6ec03f738, 9223372036854775807) end
> I0913 17:07:25.604973653   17165 ev_posix.cc:322]            (polling-api) 
> pollset_work(0x7fa6ec03f738, 9223372036854775807) begin
> I0913 17:07:25.605089869   17165 ev_epollex_linux.cc:1120]   
> PS:0x7fa6ec03f738 work hdl=(nil) worker=0x7fa7057602f0 now=273 
> deadline=9223372036854775807 kwp=0 pollable=0x7fa6ec03fdd0
> I0913 17:07:25.605204967   17165 ref_counted.h:103]         
>  pollable_refcount:0x7fa6ec03fdd8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/ev_epollex_linux.cc:1018 
> ref 1 -> 2 pollset_worker
> I0913 17:07:25.605318669   17165 ev_epollex_linux.cc:938]   
>  POLLABLE:0x7fa6ec03fdd0[type=pollset epfd=19 wakeup=20] poll for -1ms
> I0913 17:07:25.624281973   17165 ev_epollex_linux.cc:957]   
>  POLLABLE:0x7fa6ec03fdd0 got 1 events
> I0913 17:07:25.625191306   17165 ev_epollex_linux.cc:905]   
>  PS:0x7fa6ec03f738 got fd 0x7fa6ec03e720: cancel=0 read=1 write=1
> I0913 17:07:25.626231103   17165 tcp_posix.cc:887]           
> TCP:0x7fa6ec0403b0 got_read: "No Error"
> I0913 17:07:25.627087357   17165 tcp_posix.cc:869]           
> TCP:0x7fa6ec0403b0 alloc_slices
> I0913 17:07:25.627883827   17165 resource_quota.cc:890]      RQ 
> anonymous_pool_7fa6ec03f7b0 ipv4:10.220.6.50:50058: alloc 8192; free_pool 
> -> -8192
> I0913 17:07:25.629396031   17165 combiner.cc:135]           
>  C:0x7fa6ec03f4f0 grpc_combiner_execute c=0x7fa6ec040cf8 last=1
> I0913 17:07:25.630779167   17165 combiner.cc:199]           
>  C:0x7fa6ec03f4f0 grpc_combiner_continue_exec_ctx contended=0 
> exec_ctx_ready_to_finish=0 time_to_execute_final_list=0
> I0913 17:07:25.633678419   17165 combiner.cc:222]           
>  C:0x7fa6ec03f4f0 maybe_finish_one n=0x7fa6ec040cf8
> I0913 17:07:25.635280857   17165 combiner.cc:308]           
>  C:0x7fa6ec03f4f0 grpc_combiner_execute_finally c=0x7fa6ec03f820; 
> ac=0x7fa6ec03f4f0
> I0913 17:07:25.636448324   17165 combiner.cc:264]           
>  C:0x7fa6ec03f4f0 finish old_state=5
> I0913 17:07:25.637369670   17165 combiner.cc:199]           
>  C:0x7fa6ec03f4f0 grpc_combiner_continue_exec_ctx contended=0 
> exec_ctx_ready_to_finish=0 time_to_execute_final_list=1
> I0913 17:07:25.638760349   17165 combiner.cc:246]           
>  C:0x7fa6ec03f4f0 execute_final[0] c=0x7fa6ec03f820
> I0913 17:07:25.639790648   17165 resource_quota.cc:321]      RQ: check 
> allocation for user 0x7fa6ec040cf0 shutdown=0 free_pool=-8192
> I0913 17:07:25.640919004   17165 resource_quota.cc:347]      RQ 
> anonymous_pool_7fa6ec03f7b0 ipv4:10.220.6.50:50058: grant alloc 8192 
> bytes; rq_free_pool -> 9223372036854767615
> I0913 17:07:25.642398521   17165 combiner.cc:264]           
>  C:0x7fa6ec03f4f0 finish old_state=3
> I0913 17:07:25.643722712   17165 tcp_posix.cc:850]           
> TCP:0x7fa6ec0403b0 read_allocation_done: "No Error"
> I0913 17:07:25.644955550   17165 tcp_posix.cc:680]           
> TCP:0x7fa6ec0403b0 call_cb 0x7fa6ec05c8d8 0x7fa70b65e450:0x7fa6ec05c6e0
> I0913 17:07:25.646910547   17165 tcp_posix.cc:683]           READ 
> 0x7fa6ec0403b0 (peer=ipv4:10.220.6.50:50058) error="No Error"
> I0913 17:07:25.648767487   17165 ref_counted.h:199]         
>  tcp:0x7fa6ec0403d8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/tcp_posix.cc:844 unref 3 
> -> 2 read
> I0913 17:07:25.650205100   17165 ssl_transport_security.cc:220]           
>       LOOP -   SSLv3/TLS write client hello  -  TWCH
> I0913 17:07:25.652048630   17165 ssl_transport_security.cc:220]           
>       LOOP -    SSLv3/TLS read server hello  -  TRSH
> I0913 17:07:25.653957812   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS read server certific  -  TRSC
> I0913 17:07:25.655300999   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS read server key exch  - TRSKE
> I0913 17:07:25.656334650   17165 ssl_transport_security.cc:220]           
>       LOOP -     SSLv3/TLS read server done  -  TRSD
> I0913 17:07:25.659340898   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS write client key exc  - TWCKE
> I0913 17:07:25.660446066   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS write change cipher   - TWCCS
> I0913 17:07:25.661612974   17165 ssl_transport_security.cc:220]           
>       LOOP -       SSLv3/TLS write finished  - TWFIN
> I0913 17:07:25.662694117   17165 tcp_posix.cc:1566]          WRITE 
> 0x7fa6ec0403b0 (peer=ipv4:10.220.6.50:50058)
> I0913 17:07:25.664612238   17165 tcp_posix.cc:1616]          write: "No 
> Error"
> I0913 17:07:25.665905140   17165 ref_counted.h:103]         
>  tcp:0x7fa6ec0403d8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/tcp_posix.cc:908 ref 2 
> -> 3 read
> I0913 17:07:25.667535235   17165 tcp_posix.cc:887]           
> TCP:0x7fa6ec0403b0 got_read: "No Error"
> I0913 17:07:25.668567210   17165 tcp_posix.cc:879]           
> TCP:0x7fa6ec0403b0 do_read
> I0913 17:07:25.669521521   17165 tcp_posix.cc:680]           
> TCP:0x7fa6ec0403b0 call_cb 0x7fa6ec05c8d8 0x7fa70b65e450:0x7fa6ec05c6e0
> I0913 17:07:25.670683960   17165 tcp_posix.cc:683]           READ 
> 0x7fa6ec0403b0 (peer=ipv4:10.220.6.50:50058) error="No Error"
> I0913 17:07:25.671891934   17165 ref_counted.h:199]         
>  tcp:0x7fa6ec0403d8 
> /home/rcheppudira/new_grpc/grpc/src/core/lib/iomgr/tcp_posix.cc:844 unref 3 
> -> 2 read
> I0913 17:07:25.673510017   17165 ssl_transport_security.cc:220]           
>       LOOP -       SSLv3/TLS write finished  - TWFIN
> I0913 17:07:25.674696760   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS read server session   -  TRST
> I0913 17:07:25.675933230   17165 ssl_transport_security.cc:220]           
>       LOOP - SSLv3/TLS read change cipher s  - TRCCS
> I0913 17:07:25.677194564   17165 ssl_transport_security.cc:220]           
>       LOOP -        SSLv3/TLS read finished  - TRFIN
> I0913 17:07:25.678290792   17165 ssl_transport_security.cc:220]       
> HANDSHAKE DONE - SSL negotiation finished succe  - SSLOK
> E0913 17:07:25.680856761   17165 ssl_transport_security.cc:470] assertion 
> failed: (int)peer->property_count == current_insert_index
> signal 6[SIGABRT] caught by process 
> [/opt/infinera/thanos/local/bin/tunnelclient]
> #####DumpStacktrace ########
> #0 /opt/infinera/thanos/local/lib/libBaseSystem.so unsigned long 
> backward::details::unwind<backward::StackTraceImpl<backward::system_tag::linux_tag>::callback>(backward::StackTraceImpl<backward::system_tag::linux_tag>::callback,
>  
> unsigned long) [0x7fa709dd4c72]
> #1 /opt/infinera/thanos/local/lib/libBaseSystem.so 
> backward::StackTraceImpl<backward::system_tag::linux_tag>::load_here(unsigned 
> long) [0x7fa709dd4008]
> #2 /opt/infinera/thanos/local/lib/libBaseSystem.so 
> util::Backtrace::DumpStacktrace() [0x7fa709dd2c5e]
> #3 /opt/infinera/thanos/local/lib/libBaseSystem.so 
> OsProcess::MyFailureHandler(int) [0x7fa709db54e7]
> #4 /lib/x86_64-linux-gnu/libc.so.6  [0x7fa70988683f]
> #5 /lib/x86_64-linux-gnu/libc.so.6 gsignal [0x7fa7098867bb]
> #6 /lib/x86_64-linux-gnu/libc.so.6 abort [0x7fa709871534]
> #7 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b6a1dfd]
> #8 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b6a3acf]
> #9 /opt/infinera/thanos/local/lib/libgrpc.so.10 
> tsi_handshaker_result_extract_peer(tsi_handshaker_result const*, tsi_peer*) 
> [0x7fa70b6a6db1]
> #10 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b65df19]
> #11 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b65e2b2]
> #12 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b65e44b]
> #13 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b65e5fe]
> #14 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b6117ac]
> #15 /opt/infinera/thanos/local/lib/libgrpc.so.10 
> grpc_core::ExecCtx::Flush() [0x7fa70b611cdc]
> #16 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b6098b7]
> #17 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b6110bd]
> #18 /opt/infinera/thanos/local/lib/libgrpc.so.10 
> grpc_pollset_work(grpc_pollset*, grpc_pollset_worker**, long) 
> [0x7fa70b61859f]
> #19 /opt/infinera/thanos/local/lib/libgrpc.so.10  [0x7fa70b674c8f]
> #20 /opt/infinera/thanos/local/lib/libgrpc.so.10 
> grpc_completion_queue_next [0x7fa70b675154]
> #21 /opt/infinera/thanos/local/lib/libgrpc++.so.1 
> grpc_impl::CompletionQueue::AsyncNextInternal(void**, bool*, gpr_timespec) 
> [0x7fa70b09a675]
> #22 /opt/infinera/thanos/local/lib/libgrpc++.so.1 
> grpc_impl::CompletionQueue::Next(void**, bool*) [0x7fa70b088ff6]
> #23 /opt/infinera/thanos/local/lib/libgrpc++.so.1 
> grpc_impl::Channel::WaitForStateChangeImpl(grpc_connectivity_state, 
> gpr_timespec) [0x7fa70b0883b4]
> #24 /opt/infinera/thanos/local/bin/tunnelclient bool 
> grpc::ChannelInterface::WaitForStateChange<gpr_timespec>(grpc_connectivity_state,
>  
> gpr_timespec) [0x55d52d47a6e3]
> #25 /opt/infinera/thanos/local/bin/tunnelclient bool 
> grpc::ChannelInterface::WaitForConnected<gpr_timespec>(gpr_timespec) 
> [0x55d52d4797fe]
> #26 /opt/infinera/thanos/local/bin/tunnelclient 
> ConnectionManager::createChannel(std::__cxx11::basic_string<char, 
> std::char_traits<char>, std::allocator<char> > const&, 
> std::shared_ptr<grpc_impl::Channel>&) [0x55d52d472e6f]
> #27 /opt/infinera/thanos/local/bin/tunnelclient 
> ConnectionManager::connectToServer() [0x55d52d473b81]
> #28 /opt/infinera/thanos/local/bin/tunnelclient boost::_mfi::mf0<void, 
> ConnectionManager>::operator()(ConnectionManager*) const [0x55d52d47d4bc]
> #29 /opt/infinera/thanos/local/bin/tunnelclient void 
> boost::_bi::list1<boost::_bi::value<ConnectionManager*> 
> >::operator()<boost::_mfi::mf0<void, ConnectionManager>, 
> boost::_bi::list0>(boost::_bi::type<void>, boost::_mfi::mf0<void, 
> ConnectionManager>&, boost::_bi::list0&, int) [0x55d52d47d41e]
> #30 /opt/infinera/thanos/local/bin/tunnelclient boost::_bi::bind_t<void, 
> boost::_mfi::mf0<void, ConnectionManager>, 
> boost::_bi::list1<boost::_bi::value<ConnectionManager*> > >::operator()() 
> [0x55d52d47d2cc]
> #31 /opt/infinera/thanos/local/bin/tunnelclient 
> boost::detail::thread_data<boost::_bi::bind_t<void, boost::_mfi::mf0<void, 
> ConnectionManager>, boost::_bi::list1<boost::_bi::value<ConnectionManager*> 
> > > >::run() [0x55d52d47d0f3]
> #####End DumpStacktrace ########
>
>
> Please help me out in fixing the same. Is there any fix already available?
>
>
> Thanks
> Manish Khandelwal
>

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