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No Internet on Ubuntu over Ethernet
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flyingfisch


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Joined: 02 Feb 2012
Posts: 894
Location: Akron, OH
Posted: 14 Aug 2012 05:05:24 pm    Post subject: No Internet on Ubuntu over Ethernet
I installed Ubuntu 11.10 on my Dell Optiplex 745 today. I could not connect to the internet with the LiveCD, but I installed it anyway. It still doesn't work. This is the first time linux has been installed on this computer. Windows XP connects with no problem.

I have a Broadcom NetXtreme 57xx Gigabit Controller.

I have tried removing Network Manager and using dhclient but it doesn't work either.

comic: "Updated" topic title.
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AHelper


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Joined: 30 Jan 2011
Posts: 1658
Location: Aufhelperstan, Utopian Republic
Posted: 14 Aug 2012 05:09:50 pm    Post subject:
Sounds like you should look at broadcom for drivers Razz

Also, if something doesn't work on the liveCD, chances are the livecd will not work if it boots from the HDD.
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flyingfisch


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Joined: 02 Feb 2012
Posts: 894
Location: Akron, OH
Posted: 14 Aug 2012 05:23:45 pm    Post subject:
hmm.. still doesn't seem to work.

EDIT:

I tried


Code:

modprobe tg3


and then


Code:

dhclient eth0


The last command runs forever. I dont know if thats good or bad. when i do


Code:

ping google.com


or try to open a page with firefox, i get a connection error.
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lafferjm


Calculator Deity


Joined: 14 Mar 2006
Posts: 1528
Location: at my house
Posted: 14 Aug 2012 06:44:44 pm    Post subject:
You could try to follow the steps in this thread http://ubuntuforums.org/showthread.php?t=1908010
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flyingfisch


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Joined: 02 Feb 2012
Posts: 894
Location: Akron, OH
Posted: 14 Aug 2012 07:23:39 pm    Post subject:
lafferjm wrote:
You could try to follow the steps in this thread http://ubuntuforums.org/showthread.php?t=1908010


Hmm... only problem is that that thread seems to be about something else. (two NIC's conflicting).

My lspci output:


Code:

flyingfisch@Office-OptiPlex-745:~$ lspci 00:00.0 Host bridge: Intel Corporation 82Q963/Q965 Memory Controller Hub (rev 02) 00:01.0 PCI bridge: Intel Corporation 82Q963/Q965 PCI Express Root Port (rev 02) 00:02.0 VGA compatible controller: Intel Corporation 82Q963/Q965 Integrated Graphics Controller (rev 02) 00:02.1 Display controller: Intel Corporation 82Q963/Q965 Integrated Graphics Controller (rev 02) 00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #4 (rev 02) 00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #5 (rev 02) 00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #2 (rev 02) 00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02) 00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 (rev 02) 00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 (rev 02) 00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #1 (rev 02) 00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #2 (rev 02) 00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI Controller #3 (rev 02) 00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI Controller #1 (rev 02) 00:1e.0 PCI bridge: Intel Corporation 82801 PCI Bridge (rev f2) 00:1f.0 ISA bridge: Intel Corporation 82801HB/HR (ICH8/R) LPC Interface Controller (rev 02) 00:1f.2 IDE interface: Intel Corporation 82801H (ICH8 Family) 4 port SATA IDE Controller (rev 02) 00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 02) 00:1f.5 IDE interface: Intel Corporation 82801H (ICH8 Family) 2 port SATA IDE Controller (rev 02) 03:00.0 Ethernet controller: Broadcom Corporation NetXtreme BCM5754 Gigabit Ethernet PCI Express (rev 02)

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souvik1997


Guru-in-Training


Joined: 19 Apr 2010
Posts: 2870
Posted: 14 Aug 2012 09:18:08 pm    Post subject:
This might help, but it looks like you'll have to install a RPM package (which you can do through alien).
http://www.math.ucla.edu/~jimc/documents/optiplex-745.html
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Tari


Systems Integrator


Joined: 03 Jul 2006
Posts: 2107
Location: Always-winter, Michigan
Posted: 15 Aug 2012 09:40:44 am    Post subject:
Given the hint from souvik's link, it looks like it's just a matter of needing a newer kernel to have the tg3 paths for your network adapter. The latest Ubuntu release (12.04) is likely to have it, or you might be able to just download a kernel update on another machine (which I have no experience doing on ubuntu).
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flyingfisch


Super-Expert


Joined: 02 Feb 2012
Posts: 894
Location: Akron, OH
Posted: 15 Aug 2012 09:41:48 am    Post subject:
Yeah, I am downloading 12.04 right now. I'll tell you if it fixes it.

EDIT:

I booted the Ubuntu 12.04 LiveCD and it still cannot connect to the internet. I did "modprobe tg3" and it didn't seem to do anything. What should I do?

EDIT:

I found this: http://www.linuxquestions.org/questions/linux-hardware-18/broadcom-57xx-card-dell-d620-no-solution-508649/

However, lspci DOES see the ethernet controller in my case...


EDIT:

this says i need the BCM driver... might as well try it.
ftp://ftp.supermicro.com/CDR-APLUS_1.12_for_A+_platform/Broadcom/Build8.2.6/Manuals/English/linux.htm

I will post if it works.
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Lionel Debroux


Power User


Joined: 16 Nov 2009
Posts: 416
Posted: 15 Aug 2012 10:49:58 am    Post subject:
That seems to be a pretty old source of information, and therefore, the driver posted on that page has reduced chances of working.
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flyingfisch


Super-Expert


Joined: 02 Feb 2012
Posts: 894
Location: Akron, OH
Posted: 15 Aug 2012 10:51:06 am    Post subject:
Lionel Debroux wrote:
That seems to be a pretty old source of information, and therefore, the driver posted on that page has reduced chances of working.


Yeah it didn't work. So what do i do?
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