net/mpd5, ppp, proxy-arp issues
julian at elischer.org
Mon Apr 26 16:03:01 UTC 2010
On 4/26/10 1:11 AM, Stefan Esser wrote:
> Am 22.04.2010 20:43, schrieb Marin Atanasov:
>> Thanks a lot for the patch, Qing!
>> It works fine. However I've noticed one thing, after I start mpd5 and
>> connect to my home network:
>> kernel: WARNING: attempt to domain_add(netgraph) after domainfinalize()
>> Not very sure if this is something to worry about or not?
> There was a problem with the initialization order of network "domains",
> which caused kernel crashes with ISDN+INET6 some two years ago. The
> reason was, that there was an implicit assumption, that all domains
> were initialized when the network interfaces are initialized, with
> NULL dereferences if domains are added (and relevant to a device)
> after the device has been initialized.
> I debugged this problem and prepared a patch for discussion, which
> later was committed by Max Laier (if memory serves me right). The
> message was added in order to identify further situations, where
> network domains are added after network interfaces have been
> initialized. This message ought to be informational right now, since
> the interface init is repeated whenever a network domain is added
> as part of above mentioned patch. Init order should be fixed, if
> this message is printed for compiled in drivers, but in case of a
> kernel module (like netgraph) that adds a domain, it is unadvoidable
> that the init order is reversed.
> Perhaps the message should be made conditional on the start-up of
> the kernel not having finished, or it should be completely removed,
> since time has shown, that the init order is correct in general.
> I'll remove that message (or make it conditional on "bootverbose")
> unless there is opposition to this change ...
it's an unavoidable thing that domains added after boot
are done after boot completes :-)
> Regards, STefan
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