cvs commit: src/sys/dev/em if_em.c

Sam Leffler sam at
Wed Nov 3 11:20:24 PST 2004

Scott Long wrote:
> Luigi Rizzo wrote:
>> On Wed, Nov 03, 2004 at 09:23:01AM -0700, Scott Long wrote:
>> ...
>>> I think that in general we can start eyeing a lot of similar verbosity
>>> in all of our drivers, both at boot and at runtime.  For example most
>>> nic drivers print out their MAC and all of their possible negotiation
>>> rates on attach.  This same info can be obtained from ifconfig.  Why
>>> clutter the boot with it?
>> because sometimes you might need to enable some MAC-based filter
>> before you have a chance to access the box. e.g. to set dhcp/bootp
>> anbd the like.
>> A bit of verbosity is useful, you can always switch to splash screens
>> if you don't like them.
>> I think the link-up/link-down thing is different because it
>> happens not just at boot but also whenever the link status
>> changes (e.g. when a spanning tree on a switch detects a
>> reconfiguration), and this is annoying on the console.
>> cheers
>> luigi
> I'm not saying that these things should be removed, just places under
> bootverbose.  Situations like what you are saying are rare and/or
> one-time occurances.  And if you look at drivers like if_ath(no offense 
> meant towards Sam):
> ath0: <Atheros 5212> mem 0xf4010000-0xf401ffff irq 11 at device 0.0 on 
> cardbus1
> ath0: mac 5.6 phy 4.1 5ghz radio 1.7 2ghz radio 2.3
> ath0: Ethernet address: 00:0c:41:15:5f:94
> ath0: 11a rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> ath0: 11b rates: 1Mbps 2Mbps 5.5Mbps 11Mbps
> ath0: 11g rates: 1Mbps 2Mbps 5.5Mbps 11Mbps 6Mbps 9Mbps 12Mbps 18Mbps 
> 24Mbps 36Mbps 48Mbps 54Mbps
> ath0: turbo rates: 6Mbps 9Mbps 12Mbps 18Mbps 24Mbps 36Mbps 48Mbps 54Mbps
> The last 4 lines could easily go under bootverbose.  I'd even wager that
> the second line can be hidden also; it provides little useful
> information for a normal boot.

The 2nd line cannot be removed.  I'm ok with moving the rates under 


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