plip0 & GEOM_LABEL

[PJ]

b. f. wrote:
> Roland Smith wrote:
>   
>> On Mon, Aug 17, 2009 at 03:00:31PM -0400, PJ wrote:
>>     
>>> version 7.2 GENERIC kernel
>>> on bootup,
>>> dmesg shows plip0: WARNING: using obsoleted IFF_NEEDSGIANT flag
>>>       
>
>
>  >>Is this significant? Of what?
>
>   
>> It means that someone should update this driver. But unless you are using your
>> parallel port for IP traffic (and who does these days?) it won't bother you.
>>     
>
> I do, occasionally.  It comes in handy with some older hardware, and
> in an emergency.
>
> As computers with multiple processors became more common, large parts
> of the operating system were rewritten to work both safely and
> efficiently with multiple processors; however, there remain some areas
> where more work needs to be done, and developers added such messages
> as a reminder and a warning.  Up until recently, plip(4) was one of
> those places, but John Baldwin fixed this for FreeBSD 8.
>
>
>   
>>> Then, GEOM_LABEL: bunch of labels removed....
>>> Same question?
>>>       
>
>   
>> The geom software now automatically assigns (unchanging) labels to UFS
>> filesystems. This enables people to mount filesystems correctly even if the
>> harddisk is moved to a different controller. E.g. /dev/da4s1g might become
>> /dev/da6s1g, but its labeled device /dev/ufsid/482e0880cf225c60 would not
>> change. The labels are removed if a partition is mounted, which the warning
>> mentions. It is harmless.
>>
>>     
>>> And how to I get rid of the GEOM_LABEL: stuff - it seems unnecessary...
>>>       
>
>   
>> You might have to dig into the geom code... :-)
>>     
>
> If you really don't want it, remove:
>
> options   GEOM_LABEL
>
> from your kernel and rebuild.  You can always load it as a kernel
> module if you later find that you need it.
>
> b.
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>   
Thank you gentlemen, I see it is all harmless. Thanks again.