# DF-2929 reachability probe (negative result, kept for the record):
# unprivileged ppoll-with-timeout precise-sleep hammer, 60 threads, 6 vCPU,
# ~1.2M iterations in ~200s: zero KKASSERT failures -> tsleep wakeups resume
# on the arming cpu; cross-CPU systimer_del is NOT reachable from
# clock_nanosleep/precise_sleep on this kernel. Probe source: df2929_ppollrace.c
DF-2929 ppoll precise-sleep hammer: 60 sleepers, 0 spinners, 900s
[1s] iterations=6062
[2s] iterations=12067
...
[194s] iterations=1162865
(no panic; probe terminated normally)