{"action":"created","issue":{"url":"https://api.github.com/repos/grpc/grpc/issues/2859","labels_url":"https://api.github.com/repos/grpc/grpc/issues/2859/labels{/name}","comments_url":"https://api.github.com/repos/grpc/grpc/issues/2859/comments","events_url":"https://api.github.com/repos/grpc/grpc/issues/2859/events","html_url":"https://github.com/grpc/grpc/issues/2859","id":99760603,"number":2859,"title":"Bad response in iOS binding on gpr_mu_lock","user":{"login":"vjpai","id":8864912,"avatar_url":"https://avatars.githubusercontent.com/u/8864912?v=3","gravatar_id":"","url":"https://api.github.com/users/vjpai","html_url":"https://github.com/vjpai","followers_url":"https://api.github.com/users/vjpai/followers","following_url":"https://api.github.com/users/vjpai/following{/other_user}","gists_url":"https://api.github.com/users/vjpai/gists{/gist_id}","starred_url":"https://api.github.com/users/vjpai/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/vjpai/subscriptions","organizations_url":"https://api.github.com/users/vjpai/orgs","repos_url":"https://api.github.com/users/vjpai/repos","events_url":"https://api.github.com/users/vjpai/events{/privacy}","received_events_url":"https://api.github.com/users/vjpai/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/grpc/grpc/labels/bug","name":"bug","color":"fc2929"}],"state":"open","locked":false,"assignee":{"login":"dgquintas","id":120217,"avatar_url":"https://avatars.githubusercontent.com/u/120217?v=3","gravatar_id":"","url":"https://api.github.com/users/dgquintas","html_url":"https://github.com/dgquintas","followers_url":"https://api.github.com/users/dgquintas/followers","following_url":"https://api.github.com/users/dgquintas/following{/other_user}","gists_url":"https://api.github.com/users/dgquintas/gists{/gist_id}","starred_url":"https://api.github.com/users/dgquintas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dgquintas/subscriptions","organizations_url":"https://api.github.com/users/dgquintas/orgs","repos_url":"https://api.github.com/users/dgquintas/repos","events_url":"https://api.github.com/users/dgquintas/events{/privacy}","received_events_url":"https://api.github.com/users/dgquintas/received_events","type":"User","site_admin":false},"milestone":{"url":"https://api.github.com/repos/grpc/grpc/milestones/25","html_url":"https://github.com/grpc/grpc/milestones/Beta","labels_url":"https://api.github.com/repos/grpc/grpc/milestones/25/labels","id":1134869,"number":25,"title":"Beta","description":"","creator":{"login":"ctiller","id":10120821,"avatar_url":"https://avatars.githubusercontent.com/u/10120821?v=3","gravatar_id":"","url":"https://api.github.com/users/ctiller","html_url":"https://github.com/ctiller","followers_url":"https://api.github.com/users/ctiller/followers","following_url":"https://api.github.com/users/ctiller/following{/other_user}","gists_url":"https://api.github.com/users/ctiller/gists{/gist_id}","starred_url":"https://api.github.com/users/ctiller/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ctiller/subscriptions","organizations_url":"https://api.github.com/users/ctiller/orgs","repos_url":"https://api.github.com/users/ctiller/repos","events_url":"https://api.github.com/users/ctiller/events{/privacy}","received_events_url":"https://api.github.com/users/ctiller/received_events","type":"User","site_admin":false},"open_issues":117,"closed_issues":368,"state":"open","created_at":"2015-05-26T22:29:20Z","updated_at":"2015-08-18T17:09:17Z","due_on":"2015-08-29T07:00:00Z","closed_at":null},"comments":4,"created_at":"2015-08-08T02:16:39Z","updated_at":"2015-08-18T17:33:12Z","closed_at":null,"body":"This bug was originally reported by @mikepb and has been separated from issue #946 .\r\n\r\nI have also run into this issue using the iOS binding. The bug is reproducible on the latest master after attempting multiple connections to the RPC server within 30 seconds.\r\n\r\n#2  0x000000019411eb18 in abort ()\r\n#3  0x000000010016db94 in gpr_mu_lock at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/support/sync_posix.c:48\r\n#4  0x000000010015bb68 in grpc_pollset_add_fd at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/iomgr/pollset_posix.c:107\r\n#5  0x000000010015ccc8 in grpc_pollset_set_add_fd at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/iomgr/pollset_set_posix.c:105\r\n#6  0x000000010016e0d0 in grpc_tcp_client_connect at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/iomgr/tcp_client_posix.c:243\r\n#7  0x0000000100143b4c in connector_connect at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/surface/channel_create.c:99\r\n#8  0x000000010014a8c8 in grpc_connector_connect at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/connector.c:48\r\n#9  0x000000010016d470 in continue_connect at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/subchannel.c:298\r\n#10 0x000000010016cbfc in start_connect at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/subchannel.c:307\r\n#11 0x000000010016ca20 in grpc_subchannel_create_call at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/subchannel.c:349\r\n#12 0x000000010014946c in picked_target at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/channel/client_channel.c:232\r\n#13 0x000000010015a16c in pf_pick at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/lb_policies/pick_first.c:109\r\n#14 0x0000000100154e88 in grpc_lb_policy_pick at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/client_config/lb_policy.c:74\r\n#15 0x0000000100149254 in pick_target at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/channel/client_channel.c:250\r\n#16 0x0000000100148bf4 in perform_transport_stream_op at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/channel/client_channel.c:366\r\n#17 0x0000000100147f18 in cc_start_transport_stream_op at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/channel/client_channel.c:392\r\n#18 0x00000001001422b0 in execute_op at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/surface/call.c:1163\r\n#19 0x000000010013f31c in unlock at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/surface/call.c:524\r\n#20 0x000000010013f714 in grpc_call_start_ioreq_and_call_back at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/surface/call.c:1083\r\n#21 0x00000001001402fc in grpc_call_start_batch at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/core/surface/call.c:1471\r\n#22 0x0000000100136584 in -[GRPCWrappedCall startBatchWithOperations:errorHandler:] at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/objective-c/GRPCClient/private/GRPCWrappedCall.m:269\r\n#23 0x000000010013626c in -[GRPCWrappedCall startBatchWithOperations:] at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/objective-c/GRPCClient/private/GRPCWrappedCall.m:259\r\n#24 0x00000001001309c8 in -[GRPCCall sendHeaders:] at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/objective-c/GRPCClient/GRPCCall.m:231\r\n#25 0x0000000100131f5c in -[GRPCCall startWithWriteable:] at /Users/mikepb/Developer/M2Demo/Pods/gRPC/src/objective-c/GRPCClient/GRPCCall.m:344"},"comment":{"url":"https://api.github.com/repos/grpc/grpc/issues/comments/132289856","html_url":"https://github.com/grpc/grpc/issues/2859#issuecomment-132289856","issue_url":"https://api.github.com/repos/grpc/grpc/issues/2859","id":132289856,"user":{"login":"dgquintas","id":120217,"avatar_url":"https://avatars.githubusercontent.com/u/120217?v=3","gravatar_id":"","url":"https://api.github.com/users/dgquintas","html_url":"https://github.com/dgquintas","followers_url":"https://api.github.com/users/dgquintas/followers","following_url":"https://api.github.com/users/dgquintas/following{/other_user}","gists_url":"https://api.github.com/users/dgquintas/gists{/gist_id}","starred_url":"https://api.github.com/users/dgquintas/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/dgquintas/subscriptions","organizations_url":"https://api.github.com/users/dgquintas/orgs","repos_url":"https://api.github.com/users/dgquintas/repos","events_url":"https://api.github.com/users/dgquintas/events{/privacy}","received_events_url":"https://api.github.com/users/dgquintas/received_events","type":"User","site_admin":false},"created_at":"2015-08-18T17:33:11Z","updated_at":"2015-08-18T17:33:11Z","body":"@mikepb, were you hitting the bug when connecting to a non-gRPC http server using an iOS client?"}}