Re: dnsmasq dhcp failure

Erich Titl <[email protected]> Mon, 28 Nov 2022 19:07:16 +0100
Newsgroups gmane.linux.leaf.user
Message-ID <[email protected]>
Hi KP

Am 28.11.2022 um 18:47 schrieb KP.Kirchdoerfer:
> Am Montag, 28. November 2022, 18:36:28 CET schrieb Erich Titl:
...
>> Looking at the few reports I _guess_ it is a resource problem. Your
>> system may be far too powerful.
> 
> Probably. But to ask for a fix, we do need to have something more than just
> guessing. Therefor the hint to log dnsmasq behaviour. As you suggested
> earlier.

Sure but has anyone more than guessing? Andrew mentioned crashes. It 
works mostly fine at system restart and then appears to deteriorate. Not 
at a given rate nor time. It is just not deterministic, at least not yet.

Way past IBM used to cover failures like these by just throwing more 
computing power at the problem and often it disappeared long enough to 
be considered gone. We are doing the same.

Here a few more details I doubt they are meaningful though.

- The interface used is a bridge with one ethernet port and one WiFi Card.
- On the Ethernet port is a small TP-Link AP.
- The requests come in on the Ethernet port and can be seen using tcpdump.
- There are no replies to these requests as shown previously, e.g. they 
cannot be seen using tcpdump.

The missing replies show, at least to me, that there is a problem with 
the dhcp server.

cheers

ET

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