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Date: Thu, 27 Jun 2019 21:59:56 +0300
From: Konstantin Belousov <kostikbel@gmail.com>
To: "Schuendehuette, Matthias" <matthias.schuendehuette@siemens.com>
Cc: "'freebsd-stable@freebsd.org'" <freebsd-stable@freebsd.org>
Subject: Re: GENERIC crash 11.3-PRERELEASE (i386)
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On Thu, Jun 27, 2019 at 07:11:40AM +0000, Schuendehuette, Matthias wrote:
> Hi,
> 
> the missing attachments can be found here now:
> 
> https://www.dropbox.com/sh/buzxekimo2h2r67/AADpUvLndhm2SHa5t9s9Ckksa?dl=0
> 
So your AP (Application Processor) seems to get fault, most likely in the
trap handler.  There were absolutely no changes in the stable/11 in the
area of SMP startup for quite long time.

To get anywhere, you should perhaps add ddb to your kernel configuration
and get the backtrace.  The backtrace would be long, I am only interested
in the first several frames before faults go into recursion.

But, since 1 month earlier kernel worked, and there were no changes, this
might indicate either a failing hardware (your machine is quite old, it
is Core2 Xeon, am I right ?) or problems with your build environment.