On Fri, Jan 15, 2021 at 9:05 PM Peter Zijlstra <pet...@infradead.org> wrote: > > On Fri, Jan 15, 2021 at 10:11:51AM +0100, Peter Zijlstra wrote: > > On Tue, Jan 12, 2021 at 03:53:24PM -0800, Paul E. McKenney wrote: > > > An SRCU-P run on the new series reproduced the warning below. Repeat-by: > > > > > > tools/testing/selftests/rcutorture/bin/kvm.sh --allcpus --duration 10 > > > --configs "112*SRCU-P" --bootargs > > > "rcupdate.rcu_cpu_stall_suppress_at_boot=1 torture.disable_onoff_at_boot > > > rcupdate.rcu_task_stall_timeout=30000 rcutree.softirq=0" --trust-make > > > > Lemme go wake up an EX ;-) > > Whee, rescuer thread goes wobbly... took a few hours but there you have > it. > > All I've got so far is fugly, gotta think harder.
Hello, With the help of this patch, you can solve the problem. https://lore.kernel.org/lkml/20210116065753.2163-1-jiangshan...@gmail.com/