Agent Unable to write node config header: interrupted system call #35055
Description
Is there an existing issue for this?
- I have searched the existing issues
Version
equal or higher than v1.16.0 and lower than v1.17.0
What happened?
Agent fails to regenerate endpoints due to failing to write node config header, which leads to all bpf compilations to fail.
How can we reproduce the issue?
Happens randomly, not easy to reproduce.
Cilium Version
Cilium 1.17.0-dev 8fa8340 2024-08-22T14:10:51+02:00 go version go1.23.1 linux/amd64
Kernel Version
Linux/x86 6.10.0-rc6
Kubernetes Version
N/A
Regression
No response
Sysdump
RuntimeAgentFQDNPolicies_With_verbose_policy_logs_Validates_DNSSEC_responses.zip
Relevant log output
time="2024-09-26T13:15:45.933969654Z" level=error msg="Unable to write node config header" error="failed to write node configuration file at /var/run/cilium/state/globals/node_config.h: rendering vlan filter macros: listing network interfaces: interrupted system call" subsys=datapath-loader
...
time="2024-09-26T13:15:46.100906287Z" level=error msg="Failed to compile bpf_lxc.o: exit status 1" compiler-pid=793 subsys=datapath-loader
time="2024-09-26T13:15:46.100944558Z" level=warning msg="In file included from /var/lib/cilium/bpf/bpf_lxc.c:18:" subsys=datapath-loader
time="2024-09-26T13:15:46.100961449Z" level=warning msg="In file included from /var/lib/cilium/bpf/lib/auth.h:6:" subsys=datapath-loader
time="2024-09-26T13:15:46.100969916Z" level=warning msg="In file included from /var/lib/cilium/bpf/lib/common.h:1279:" subsys=datapath-loader
time="2024-09-26T13:15:46.100978361Z" level=warning msg="In file included from /var/lib/cilium/bpf/lib/overloadable.h:10:" subsys=datapath-loader
time="2024-09-26T13:15:46.100987608Z" level=warning msg="In file included from /var/lib/cilium/bpf/lib/overloadable_skb.h:8:" subsys=datapath-loader
time="2024-09-26T13:15:46.100997066Z" level=warning msg="/var/lib/cilium/bpf/lib/clustermesh.h:18:23: error: use of undeclared identifier '__config_identity_length'" subsys=datapath-loader
time="2024-09-26T13:15:46.101011563Z" level=warning msg=" 18 | __u32 identity_len = CONFIG(identity_length);" subsys=datapath-loader
time="2024-09-26T13:15:46.101018676Z" level=warning msg=" | ^" subsys=datapath-loader
time="2024-09-26T13:15:46.101138079Z" level=warning msg="/var/lib/cilium/bpf/lib/static_data.h:75:10: note: expanded from macro 'CONFIG'" subsys=datapath-loaderAnything else?
No response
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