1#!/bin/bash 2# SPDX-License-Identifier: GPL-2.0+ 3# 4# Scan standard input for error messages, dumping any found to standard 5# output. 6# 7# Usage: console-badness.sh 8# 9# Copyright (C) 2020 Facebook, Inc. 10# 11# Authors: Paul E. McKenney <paulmck@kernel.org> 12 13grep -E 'Badness|WARNING:|Warn|BUG|===========|BUG: KCSAN:|Call Trace:|Oops:|detected stalls on CPUs/tasks:|self-detected stall on CPU|Stall ended before state dump start|\?\?\? Writer stall state|rcu_.*kthread starved for|!!!' | 14grep -v 'ODEBUG: ' | 15grep -v 'This means that this is a DEBUG kernel and it is' | 16grep -v 'Warning: unable to open an initial console' | 17grep -v 'Warning: Failed to add ttynull console. No stdin, stdout, and stderr.*the init process!' | 18grep -v 'NOHZ tick-stop error: Non-RCU local softirq work is pending, handler' 19