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fresh install dhcpcd fails to obtain IP address
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bsdtux
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Joined: 29 Apr 2013
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PostPosted: Wed May 01, 2013 4:54 am    Post subject: fresh install dhcpcd fails to obtain IP address Reply with quote

All,

I seem to be having trouble after a fresh install of gentoo x86 on a Dell d630. When it boots up I see where it says trying to rebind to 192.168.2.x . It then says broadcasting for a lease, timed out, allowing 8 seconds for IPV4, then searches for apipa address.

Now then interesting part is once I login if I kill dhcpcd and then do a dhcpcd enp9s0 it will obtain an address.

I am pretty much at a loss of where to being my next phase of troubleshooting. any help would be appreciated.

lspci shows the ethernet as a BCM5755M gigabit ethernet and it is connected to a Cisco 806.1W router.
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ShadowCat8
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Location: San Bernardino, CA, USA

PostPosted: Wed May 01, 2013 5:54 pm    Post subject: Reply with quote

Greetings,

Out of curiosity, what does your /etc/conf.d/net file have for the interface?

HTH. Let us know.
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"As far as the laws of mathematics refer to reality, they are not
certain, and as far as they are certain, they do not refer to reality."

-- Albert Einstein
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bsdtux
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PostPosted: Wed May 01, 2013 10:27 pm    Post subject: Reply with quote

it has the following
Code:
config_enp9s0="dhcp"
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ShadowCat8
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PostPosted: Thu May 02, 2013 4:29 pm    Post subject: Reply with quote

Okay,

After you restart dhcpcd, what do you get from "ifconfig -a"?
And, what does the dmesg say about what happened during the time it failed on boot? BTW, if you haven't looked through dmesg before, the best way I know to scan it is, once you have brought up the system, log in as root and do:
Code:
 ~ # dmesg | less

And the output we are looking for is what happened when the system was setting up and working with the interface (I bolded the lines in the example below):
dmesg wrote:
...<snip>...
ata1: SATA max UDMA/133 cmd 0xfe00 ctl 0xfd00 bmdma 0xfa00 irq 20
ata2: SATA max UDMA/133 cmd 0xfc00 ctl 0xfb00 bmdma 0xfa08 irq 20
Intel(R) PRO/1000 Network Driver - version 7.3.21-k5-NAPI
Copyright (c) 1999-2006 Intel Corporation.
e100: Intel(R) PRO/100 Network Driver, 3.5.24-k2-NAPI
e100: Copyright(c) 1999-2006 Intel Corporation
via-rhine: Broken BIOS detected, avoid_D3 enabled.
via-rhine.c:v1.10-LK1.4.3 2007-03-06 Written by Donald Becker
ACPI: PCI Interrupt Link [ALKD] enabled at IRQ 23
via-rhine 0000:00:12.0: PCI INT A -> Link[ALKD] -> GSI 23 (level, low) -> IRQ 23
via-rhine 0000:00:12.0: setting latency timer to 64
eth0: VIA Rhine II at 0x1ee00, 00:30:44:1b:ee:ff, IRQ 23.
eth0: MII PHY found at address 1, status 0x786d advertising 05e1 Link 0021.

tun: Universal TUN/TAP device driver, 1.6
tun: (C) 1999-2004 Max Krasnyansky <maxk@qualcomm.com>
console [netcon0] enabled
netconsole: network logging started
Fusion MPT base driver 3.04.14
Copyright (c) 1999-2008 LSI Corporation
Fusion MPT SPI Host driver 3.04.14
Fusion MPT SAS Host driver 3.04.14
ohci1394 0000:00:0a.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
ohci1394 0000:00:0a.0: setting latency timer to 64

...<snip - going to bottom of this dmesg for the example>...

VIA 82xx Audio 0000:00:11.5: PCI INT C -> Link[ALKC] -> GSI 22 (level, low) -> IRQ 22
VIA 82xx Audio 0000:00:11.5: setting latency timer to 64
EXT3-fs (sda3): using internal journal
XFS mounting filesystem sda4
Ending clean XFS mount for filesystem: sda4
eth0: link up, 10Mbps, half-duplex, lpa 0x0021
Adding 1959924k swap on /dev/sda2. Priority:-1 extents:1 across:1959924k
eth0: no IPv6 routers present


HTH. Let us know.
_________________
________________________

"As far as the laws of mathematics refer to reality, they are not
certain, and as far as they are certain, they do not refer to reality."

-- Albert Einstein
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bsdtux
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PostPosted: Fri May 03, 2013 2:07 am    Post subject: Reply with quote

after restarting dhcpcd then doing ifconfig -a I get an IP address. Which is good.

Also here is the output from dmesg
Code:
dmesg | grep enp9s0
[   12.700313] systemd-udevd[12246]: renamed network interface eth0 to enp9s0
[   21.541844] tg3 0000:09:00.0 enp9s0: Link is up at 100 Mbps, full duplex
[   21.541847] tg3 0000.09:00.0 enp9s0: Flow control is off for TX and off for RX


Now I just did some expiermenting and I guess I was thinking (I feel really stupid actually) and did the following
Code:
rc-update add dhcpcd default

then rebooted.

then it took about 15 to 20 seconds but I was able to get an IP address automatically now. I doubled check and I couldn't find in the setup guide that you should add dhcpcd but thinking about it I was like if that is a daemon then I should have it auto start on bootup.
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