Re: 14.1-R rc.conf/ifconfig netmask issue was really hard to figure out

From: Bjoern A. Zeeb <bzeeb-lists_at_lists.zabbadoz.net>
Date: Wed, 12 Jun 2024 15:11:14 UTC
On Wed, 12 Jun 2024, Bjoern A. Zeeb wrote:

> On Wed, 12 Jun 2024, Michael Gmelin wrote:
>
>> 
>> 
>> On Wed, 12 Jun 2024 14:36:35 +0000
>> "Poul-Henning Kamp" <phk@phk.freebsd.dk> wrote:
>> 
>>> --------
>>> Bjoern A. Zeeb writes:
>>> 
>>>>> I had a machine with this line in /etc/rc.conf:
>>>>>
>>>>> 	ifconfig_bla0="192.168.87.11"
>>>>> 
>>>>> I found out the hard way, that this defaults to /8 now.
>>>> 
>>>> Did you track it down to a specific change?  I.e. is this
>>>> ifconfig/netlink or the old kernel change from like two years(?)
>>>> ago?
>>>> 
>>>> Do you have a time window when this broke as that'll help people to
>>>> bisect?
>>> 
>>> I have no idea, sorry, I just freebsd-updated this one box...
>>> 
>> 
>> I just tried on 14.0-p6, same there:
>>
>>  # ifconfig vtnet0 192.168.87.11
>>  ifconfig: WARNING: setting interface address without mask is
>>  deprecated, default mask may not be correct.
>> 
>> Interestingly, `ifconfig vtnet0 10.0.0.1` uses "/24" whereas
>> 192.168.87.11 uses "/8".
>> 
>> This dates back to:
>> https://cgit.freebsd.org/src/commit/?id=4bf44dd73bc0a
>
> No it pre-dates that chnage.
>
> It goes back to d8237b95552807e937fc389c7e2237679ef0c984 and related
> changes.

Sorry I hit send too early

And I think it came out of

commit 2f35e7d9fa03f27543f347cd6277af5bfc6a7e95
commit 20d59403961d531467cfab22163f49c131cc8b55

-- 
Bjoern A. Zeeb                                                     r15:7