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Kata Containers is an open source project and community working to build a standard implementation of lightweight Virtual Machines (VMs) that feel and perform like containers, but provide the workload isolation and security advantages of VMs. https://katacontainers.io/

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agent: runtime error when AGENT_POLICY is enabled on s390x

BbolroC opened this issue · comments

commented

Description of problem

The following runtime error has been observed on s390x when AGENT_POLICY is enabled for kata-agent:

{"msg":"announce","level":"INFO","ts":"2024-05-14T10:11:13.59409992Z","pid":"317046","name":"kata-agent","subsystem":"root","version":"0.1.0","source":"agent","api-version":"0.0.1","agent-version":"3.4.0","extra-features":"[\"agent-policy\", \"guest-pull\", \"seccomp\"]","config":"AgentConfig { debug_console: false, dev_mode: false, log_level: Info, hotplug_timeout: 3s, debug_console_vport: 0, log_vport: 0, container_pipe_size: 0, server_addr: \"vsock://-1:1024\", passfd_listener_port: 0, unified_cgroup_hierarchy: false, tracing: false, supports_seccomp: true, https_proxy: \"\", no_proxy: \"\", guest_components_rest_api: Resource }","agent-commit":"3.4.0"}
{"msg":"https_proxy is not set (environment variable not found)","level":"INFO","ts":"2024-05-14T10:11:13.606600028Z","name":"kata-agent","source":"agent","pid":"317046","subsystem":"image","version":"0.1.0"}
{"msg":"no_proxy is not set (environment variable not found)","level":"INFO","ts":"2024-05-14T10:11:13.606621094Z","pid":"317046","version":"0.1.0","source":"agent","subsystem":"image","name":"kata-agent"}
Aborted (core dumped)

A working agent should run like:

{"msg":"announce","level":"INFO","ts":"2024-05-14T10:11:32.950484195Z","pid":"317185","name":"kata-agent","version":"0.1.0","source":"agent","subsystem":"root","agent-commit":"3.4.0","agent-version":"3.4.0","extra-features":"[\"guest-pull\", \"seccomp\"]","config":"AgentConfig { debug_console: false, dev_mode: false, log_level: Info, hotplug_timeout: 3s, debug_console_vport: 0, log_vport: 0, container_pipe_size: 0, server_addr: \"vsock://-1:1024\", passfd_listener_port: 0, unified_cgroup_hierarchy: false, tracing: false, supports_seccomp: true, https_proxy: \"\", no_proxy: \"\", guest_components_rest_api: Resource }","api-version":"0.0.1"}
{"msg":"https_proxy is not set (environment variable not found)","level":"INFO","ts":"2024-05-14T10:11:32.961566247Z","pid":"317185","version":"0.1.0","subsystem":"image","source":"agent","name":"kata-agent"}
{"msg":"no_proxy is not set (environment variable not found)","level":"INFO","ts":"2024-05-14T10:11:32.96158746Z","pid":"317185","source":"agent","name":"kata-agent","subsystem":"image","version":"0.1.0"}
{"msg":"starting uevents handler","level":"INFO","ts":"2024-05-14T10:11:32.961617328Z","source":"agent","name":"kata-agent","pid":"317185","version":"0.1.0","subsystem":"uevent"}
{"msg":"ttRPC server started","level":"INFO","ts":"2024-05-14T10:11:32.977351902Z","name":"kata-agent","source":"agent","subsystem":"rpc","pid":"317185","version":"0.1.0","address":"vsock://-1:1024"}
... listening ...

This leads to a crash for a guest VM and makes all e2e tests for the platform failing.

For now, we should disable the feature on s390x until the issue is resolved.

commented

I'm closing this because the issue is resolved by #9632.