{ "plugin": "kmsg", "logPath": "/dev/kmsg", "lookback": "5m", "bufferSize": 10, "source": "kernel-monitor", "metricsReporting": true, "conditions": [ { "type": "KernelDeadlock", "reason": "KernelHasNoDeadlock", "message": "kernel has no deadlock" }, { "type": "ReadonlyFilesystem", "reason": "FilesystemIsNotReadOnly", "message": "Filesystem is not read-only" } ], "rules": [ { "type": "temporary", "reason": "OOMKilling", "pattern": "Killed process \\d+ (.+) total-vm:\\d+kB, anon-rss:\\d+kB, file-rss:\\d+kB.*" }, { "type": "temporary", "reason": "TaskHung", "pattern": "task [\\S ]+:\\w+ blocked for more than \\w+ seconds\\." }, { "type": "temporary", "reason": "UnregisterNetDevice", "pattern": "unregister_netdevice: waiting for \\w+ to become free. Usage count = \\d+" }, { "type": "temporary", "reason": "KernelOops", "pattern": "BUG: unable to handle kernel NULL pointer dereference at .*" }, { "type": "temporary", "reason": "KernelOops", "pattern": "divide error: 0000 \\[#\\d+\\] SMP" }, { "type": "temporary", "reason": "Ext4Error", "pattern": "EXT4-fs error .*" }, { "type": "temporary", "reason": "Ext4Warning", "pattern": "EXT4-fs warning .*" }, { "type": "temporary", "reason": "IOError", "pattern": "Buffer I/O error .*" }, { "type": "temporary", "reason": "MemoryReadError", "pattern": "CE memory read error .*" }, { "type": "permanent", "condition": "KernelDeadlock", "reason": "AUFSUmountHung", "pattern": "task umount\\.aufs:\\w+ blocked for more than \\w+ seconds\\." }, { "type": "permanent", "condition": "KernelDeadlock", "reason": "DockerHung", "pattern": "task docker:\\w+ blocked for more than \\w+ seconds\\." }, { "type": "permanent", "condition": "ReadonlyFilesystem", "reason": "FilesystemIsReadOnly", "pattern": "Remounting filesystem read-only" } ] }