Date: Thu, 14 Nov 2019 22:28:49 +0700 From: Eugene Grosbein <eugen@grosbein.net> To: Daniel Braniss <danny@cs.huji.ac.il>, freebsd-hackers <freebsd-hackers@freebsd.org> Subject: Re: can the hardware watchdog reboot a hung kernel? Message-ID: <9cded04a-9ae1-881e-3962-7ef0322e96ed@grosbein.net> In-Reply-To: <EC4DB495-55D0-44BB-8D6A-0301785FADC7@cs.huji.ac.il> References: <EC4DB495-55D0-44BB-8D6A-0301785FADC7@cs.huji.ac.il>
next in thread | previous in thread | raw e-mail | index | archive | help
14.11.2019 21:52, Daniel Braniss wrote: > hi, > I have serveral hundred Nano-pi NEO running, and sometimes they hang, since there is no console > available, the only solution is to do a power cycle - not so easy since they are distributed in three buildings :-) > > I am looking at the watchdog stuff, but it seems that what I want is not supported, i.e. > reboot the kernel when hung > > wishful thinking? It's possible if the hardware has such a watchdog and kernel subsystem watchdog(4) supports it. rc.conf(5) manual page describes watchdogd_enable option.
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?9cded04a-9ae1-881e-3962-7ef0322e96ed>