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Date:      Sat, 17 Oct 2020 18:49:35 +0000 (UTC)
From:      Kostya Berger <bergerkos@yahoo.co.uk>
To:        FreeBSD Current <freebsd-current@freebsd.org>
Subject:   bhyve win 10 guest: destroy to restart
Message-ID:  <1896911060.833428.1602960575313@mail.yahoo.com>
References:  <1896911060.833428.1602960575313.ref@mail.yahoo.com>

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Hello!It's been like that ever since I started using win 10 guest in bhyve: If I need to restart win 10 guest I have to destroy the VM after guest shutdown. Because the bhyve startup script aborts, but the VM remains and won't be started again unless destroyed.
I'm using bhyve binary with starting command line, nothing else. Is that a normal behaviour? Or am I supposed to use vm-bhyve? If so, how can I convert the existing script to vm-bhyve config without Windows requiring new registration because of new hardware?Hope these aren't too many questions....

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References: <20201015065632.GA72261@troutmask.apl.washington.edu>
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In-Reply-To: <3fdb18c1-5dc3-2e06-8825-db1daa425afb@yandex.ru>
From: Warner Losh <imp@bsdimp.com>
Date: Sat, 17 Oct 2020 12:58:48 -0600
Message-ID: <CANCZdfr+8MOwbZ4YACpLx5ZoFt3BSV3N9JQ=oZcKFEdFHRXRBg@mail.gmail.com>
Subject: Re: kernel panic and fun debugging
To: "Andrey V. Elsukov" <bu7cher@yandex.ru>
Cc: Steve Kargl <sgk@troutmask.apl.washington.edu>,
 FreeBSD Current <freebsd-current@freebsd.org>
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On Sat, Oct 17, 2020, 12:00 PM Andrey V. Elsukov <bu7cher@yandex.ru> wrote:

> On 15.10.2020 09:56, Steve Kargl wrote:
> > Just had a kernel panic.  Best info I give you is
> >
> > % uname -a
> > FreeBSD mobile 13.0-CURRENT FreeBSD 13.0-CURRENT #1 r366176M: Sat Sep 26
> 10:35:23 PDT 2020     kargl@mobile:/usr/obj/usr/src/i386.i386/sys/MOBILE
> i386
> >
> > % kgdb gdb /usr/lib/debug/boot/kernel/kernel.debug vmcore.1
> > ...
> > Reading symbols from /usr/lib/debug/boot/kernel/kernel.debug...
> > /usr/ports/devel/gdb/work-py37/gdb-9.2/gdb/inferior.c:283:
> internal-error: struct inferior *find_inferior_pid(int): Assertion `pid !> 0' failed.
> > A problem internal to GDB has been detected,
> > further debugging may prove unreliable.
>
> Hi,
>
> do you have /var/crash/core.txt.1 file?
> It may have some useful info. Also did you try an old version
> /usr/libexec/kgdb ?
>

I got this same error, btw, when I pointed kgdb at the wrong kernel for the
core file.

But you can 'more' the uncompressed vmcore to get at least a traceback if
the proper kernel is gone...

Warner

--
> WBR, Andrey V. Elsukov
>
>


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