kern/55685: ptrace tests kill the test machine (sometimes)

[martin%NetBSD.org@localhost]

>Number:         55685
>Category:       kern
>Synopsis:       ptrace tests kill the test machine (sometimes)
>Confidential:   no
>Severity:       critical
>Priority:       high
>Responsible:    kern-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Mon Sep 28 10:35:01 +0000 2020
>Originator:     Martin Husemann
>Release:        NetBSD 9.99.73
>Organization:
The NetBSD Foundation, Inc.
>Environment:
System: NetBSD unpluged.duskware.de 9.99.73 NetBSD 9.99.73 (UNPLUGED) #343: Mon Sep 28 10:45:19 CEST 2020 martin%seven-days-to-the-wolves.aprisoft.de@localhost:/work/src/sys/arch/evbarm/compile/UNPLUGED evbarm
Architecture: earmv5
Machine: evbarm
>Description:

Running the atf tests sometimes (about 50% of the runs) kills this machine,
it silently reboots (could be a watchdog firing).

    threads_and_exec: [0.192973s] Passed.
    trace_thread_lwpcreate: [1.237418s] Passed.
    trace_thread_lwpcreate_and_exit: [5.916043s] Passed.
    trace_thread_lwpcreate_and_exit_masked_sigtrap: [2.217635s] Passed.
    trace_thread_lwpcreate_masked_sigtrap:


>How-To-Repeat:
cd /usr/tests && atf-run

>Fix:
n/a