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Date: Sun, 21 Nov 2010 10:45:45 +0000
Message-ID: <AANLkTikgDvXKEAnmj+ro3KV=qcfDau59J02mON3M4D8H@mail.gmail.com>
From: Paul B Mahol <onemda@gmail.com>
To: "Bjoern A. Zeeb" <bzeeb-lists@lists.zabbadoz.net>
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Cc: FreeBSD current mailing list <current@freebsd.org>
Subject: Re: net.link.log_link_state_change broken?
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On 11/19/10, Paul B Mahol <onemda@gmail.com> wrote:
> On 11/18/10, Bjoern A. Zeeb <bzeeb-lists@lists.zabbadoz.net> wrote:
>> On Tue, 2 Nov 2010, Paul B Mahol wrote:
>>
>> Hi,
>>
>>> It appears we do not log such events anymore (at least with wlan
>>> devices) in console.
>>>
>>> I set this sysctl to 0 via sysctl.conf, if I set it to 1, nothing will
>>> change.
>>>
>>> Because I had loging disabled for very long time I encountered this
>>> problem just now.
>>
>> not sure.  Might be, might not be.  Have you further looked into this?
>>
>> I at least see:
>> ./net80211/ieee80211_freebsd.c:         if_link_state_change(ifp,
>> LINK_STATE_UP);
>> ./net80211/ieee80211_freebsd.c:         if_link_state_change(ifp,
>> LINK_STATE_DOWN);
>
> That part is not problematic, klog part is.
>
> Messages of link state changes are not available in console but are
> available in klog and in console once you open it with cat.
>
> Reading comment it appears that logic is inverted in code.

kern.consmute=0 caused link state change to never appear (even in dmesg) ...