On Mon, Nov 15, 1999 at 08:25:10PM -0500, Herman Strom wrote:
> Hi! Everyone,
...
> In actuality, though when I load IPv6 module with 'insmod ipv6'
> command, and run 'lsmod' command, it concerns me when I see (-1) in
> the 'Used' column. 'lo' gets self-configured when I do 'ifconfig sit0
> up'. However 'tr0' never gets self-configured. Later when I want to
> unload 'ipv6' module, having de-ifconfig all of the IPv6 interfaces, I
> find that the module is still busy.
This should be a FAQ..
The IPv6 module has bugs in its usage tracking counters, and thus
it is *not* safe to unload it.
However the initial need for loading it at all is to avoid having
the 100 kB of IPv6 in the initial boot core, which goal does not
necessitate unloadability of IPv6 code.
Although with bzImage boot method this isn't so important
anymore..
> It might be a buggy interaction between 'ibmtr' and 'ipv6' modules or
> maybe something else. Please Comment if you can.
From a year ago (9-Dec-1998):
ftp://mea.tmt.tele.fi/linux/mea-21131ac4-ipv4mod.diff.3
That corrects IPv6 counters, and modularizes ipv4, albeit not
into sufficiently small bits, nor absolutely trouble free...
(One could do without any IPv4 code in kernel - in theory,
just IPv6 + UDP + TCP, no ICMP, no ARP, etc..)
> Thanks alot.
> Bye,
> Herm
> ---------------------------------------
> Herman Strom - Academic Computing Dept.
> Touro College <http://www.touro.edu/>
> <http://hermstrom.tripod.com/>
> email: <[EMAIL PROTECTED]>
/Matti Aarnio <[EMAIL PROTECTED]>
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