Skip site navigation (1)Skip section navigation (2)
Date:      Sat, 11 Jul 2009 00:49:54 -0400
From:      Glen Barber <glen.j.barber@gmail.com>
To:        jw <jwdevel@gmail.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Prevent reboot-after-panic behavior?
Message-ID:  <4ad871310907102149t465eb168r26c6d16b3cea0953@mail.gmail.com>
In-Reply-To: <fa8771800907102125k233c054dsd1dfa99cff192606@mail.gmail.com>
References:  <fa8771800907102125k233c054dsd1dfa99cff192606@mail.gmail.com>

Next in thread | Previous in thread | Raw E-Mail | Index | Archive | Help
Hi.

On Sat, Jul 11, 2009 at 12:25 AM, jw<jwdevel@gmail.com> wrote:
> I'm trying to figure out a strange panic issue (see:
> http://lists.freebsd.org/pipermail/freebsd-questions/2009-July/201842.html).
>
> The problem is I generally need to run it overnight in order to reproduce it.
> By the time I get back to it, the machine has auto-rebooted, losing
> precious info in ttyv0.
> I cannot simply analyze a dump because the dump fails (see other
> thread for that info - possibly a separate issue).
>
> I am working on getting the dump to succeed, but in the meantime:
>
> Is there a way to turn off the auto-reboot behavior?
> I found this link: http://www.webhostingtalk.com/showthread.php?t=438372
> But it is about turning it *on* and is somewhat old.
>
> Is there a way to change the behavior without recompiling the kernel?
>

If you don't have debugging enabled in the kernel (KDB, DDB), no.  If
you do, you can set the following sysctl to disable automatic reboot
on panic:
   debug.debugger_on_panic: 1

HTH.

-- 
Glen Barber



Want to link to this message? Use this URL: <http://docs.FreeBSD.org/cgi/mid.cgi?4ad871310907102149t465eb168r26c6d16b3cea0953>