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Date:      Wed, 05 Dec 2001 01:05:26 +0100
From:      Michael Nottebrock <lofi@lofi.dyndns.org>
To:        Luigi Rizzo <luigi@FreeBSD.ORG>
Cc:        Michael Nottebrock <michaelnottebrock@gmx.net>, net@FreeBSD.ORG
Subject:   Re: HEADS-UP: net polling code now in STABLE.
Message-ID:  <3C0D64C6.1070300@lofi.dyndns.org>
References:  <20011203221742.A50473@iguana.aciri.org> <3C0CBE2D.1050505@gmx.net> <20011204084916.E54383@iguana.aciri.org>

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Luigi Rizzo wrote:

> Could you try and insert an "ifconfig" (to see the status of the
> interface) before the point where it hangs ?


Done, output attached. I inserted the 'ifconfig' into /etc/rc.network, 
just between the "#gifconfig"-section and the "# Set up all the network 
interfaces..."-section.

> 
> Are you acquiring an address with dhcp, by chance ?
> 


No. My ifconfig lines from /etc/rc.conf:

ifconfig_dc0="inet 192.168.8.1"
ifconfig_dc1="up"
ifconfig_lo0_alias0="inet 127.53.0.1 netmask 0xffffffff"

> 
>>Attached is kernel config, (normal) dmesg. Everything seems to work fine 
>>if I enable polling after booting though, so maybe this is 'correct 
>>behaviour'?
>>
> 
> hangs are never "correct behaviour"... 


I wasn't being serious, sorry. ;)

However, I left the box running for approx 12h (with 
kern.polling.enable=1) and when I rebooted, the following happened:

------

syncing disks 7 2 11
done
uptime: 11h 32m 45s

Fatal trap 12: page fault while in kernel mode
fault virtual address		= 0x14
fault code			= supervisor mode, page not found
instruction pointer		= 0x8:0xcc3d6d4c
stack pointer			= 0x10:0xcc3d6d64
code segment			= base 0x0, limit 0xfffff, type 0x1b
				= DPL 0, pres 1, def32 1, gran 1
processor eflags		= interrupt enabled, Resume, IOPL = 0
current process			= 1779 (reboot)
interrupt mask			= net tty
trap number			= 12
panic : page fault

-----

I took this down with a pen, so there might be mistakes in there, sorry.


Greetings,

Michael Nottebrock




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dc0: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
	ether 00:80:ad:79:23:89 
	media: Ethernet autoselect (100baseTX <full-duplex>)
	status: active
dc1: flags=8802<BROADCAST,SIMPLEX,MULTICAST> mtu 1500
	ether 00:80:ad:79:2b:42 
	media: Ethernet autoselect (10baseT/UTP)
	status: active
lp0: flags=8810<POINTOPOINT,SIMPLEX,MULTICAST> mtu 1500
ppp0: flags=8010<POINTOPOINT,MULTICAST> mtu 1500
sl0: flags=c010<POINTOPOINT,LINK2,MULTICAST> mtu 552
faith0: flags=8000<MULTICAST> mtu 1500
lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
	inet6 ::1 prefixlen 128 
	inet6 fe80::1%lo0 prefixlen 64 scopeid 0x7 

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