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Date:      Sun, 21 Nov 2010 10:47:14 +0000
From:      Paul B Mahol <onemda@gmail.com>
To:        current@freebsd.org
Subject:   Re: net.link.log_link_state_change broken?
Message-ID:  <AANLkTimdqsUx9NJbr--6xzWxgr2Ln%2B0qKB%2BECqT9y9bf@mail.gmail.com>
In-Reply-To: <AANLkTikgDvXKEAnmj%2Bro3KV=qcfDau59J02mON3M4D8H@mail.gmail.com>
References:  <AANLkTimPoVaZ-syEog7Xmkinv5GLqqFNfzCvFqEqBD0j@mail.gmail.com> <20101118072341.V24596@maildrop.int.zabbadoz.net> <AANLkTi=dzGoW09ho9dYsCzuBgHsepF8ekbEr-DuZozE%2B@mail.gmail.com> <AANLkTikgDvXKEAnmj%2Bro3KV=qcfDau59J02mON3M4D8H@mail.gmail.com>

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On 11/21/10, Paul B Mahol <onemda@gmail.com> wrote:
> 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)
> ...
^kern.consmute=1



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