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同样的问题 ubuntu 18.04 LTS ``` [10942:10942:0822/162442.002754:ERROR:sandbox_linux.cc(370)] InitializeSandbox() called with multiple threads in process gpu-process. [10942:10942:0822/162443.185568:ERROR:buffer_manager.cc(488)] [.DisplayCompositor]GL ERROR :GL_INVALID_OPERATION : glBufferData:

**https://travis-ci.com/github/nats-io/nats-server/jobs/516071189** stack trace ```txt === RUN TestJetStreamClusterCreateConcurrentDurableConsumers ================== WARNING: DATA RACE Write at 0x00c00d0d0410 by goroutine 535: github.com/nats-io/nats-server/server.(*Server).shutdownJetStream() /home/travis/gopath/src/github.com/nats-io/nats-server/server/jetstream.go:737 +0x56f github.com/nats-io/nats-server/server.(*Server).Shutdown() /home/travis/gopath/src/github.com/nats-io/nats-server/server/server.go:1747 +0x219 github.com/nats-io/nats-server/server.(*cluster).shutdown() /home/travis/gopath/src/github.com/nats-io/nats-server/server/test_test.go:198 +0xd8 github.com/nats-io/nats-server/server.TestJetStreamClusterCreateConcurrentDurableConsumers() /home/travis/gopath/src/github.com/nats-io/nats-server/server/jetstream_cluster_test.go:6938 +0x715 testing.tRunner()...

> TestJetStreamClusterCreateConcurrentDurableConsumers that other pr, stack trace

/cc @nats-io/core. the CI DONT show which test not passed, can help my check ? thanks