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Subject: Re: programs like gdb core dump
To: Erich Dollansky <freebsd.ed.lists@sumeritec.com>
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Cc: freebsd-current@freebsd.org
From: John Baldwin <jhb@FreeBSD.org>
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Date: Wed, 8 Aug 2018 08:57:06 -0700
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On 8/7/18 7:00 PM, Erich Dollansky wrote:
> Hi,
> 
> On Tue, 7 Aug 2018 11:59:11 -0700
> John Baldwin <jhb@FreeBSD.org> wrote:
> 
>> On 8/6/18 8:11 PM, Erich Dollansky wrote:
>>> On Mon, 6 Aug 2018 15:57:53 -0700
>>> John Baldwin <jhb@FreeBSD.org> wrote:
>>>   
>>>> On 8/4/18 4:38 PM, Erich Dollansky wrote:  
> 
>>>>> Bad system call (core dumped)
>>>>
>>>> Did you upgrade from stable/11 with a world that is still
>>>> stable/11? If so, did you make sure your kernel config includes
>>>> COMPAT_FREEBSD11? (GENERIC should include this)
>>>>  
>>>
>>> I never have had a machine running 11. This machine is on 12 since
>>> 2 or 3 years. I will check if this configuration was properly set
>>> on that machine.  
>>
>> Ahh, a fairly old 12 world with a recent 12 kernel will still need
>> COMPAT_FREEBSD11.
>>
> 
> even when kernel and world are on '1200076' as provided by uname -U/-K,
> COMPAT_FREEBSD11 is required at the moment. The system is currently on
> r337343.

Hmm, plain 12.0 binaries that are up to date should not need COMPAT_FREEBSD11.
Do you have any of the core dumps from before handy?

-- 
John Baldwin