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Old 05-01-2013, 12:50 AM   #1
Toonses82
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Xubuntu 13.04 - No network interfaces


I've been running Xubuntu for a while and everything's been working great. Today, I upgraded to 13.04 and now I have no network interfaces. No eth0, nothing. What can I do to get it online?

ifconfig -a
Code:
lo        Link encap:Local Loopback  
         inet addr:127.0.0.1  Mask:255.0.0.0
         inet6 addr: ::1/128 Scope:Host
         UP LOOPBACK RUNNING  MTU:65536  Metric:1
         RX packets:6305 errors:0 dropped:0 overruns:0 frame:0
         TX packets:6305 errors:0 dropped:0 overruns:0 carrier:0
         collisions:0 txqueuelen:0 
         RX bytes:506480 (506.4 KB)  TX bytes:506480 (506.4 KB)
sudo lshw -class network
Code:
*-network               
      description: Network controller
      product: BCM4311 802.11b/g WLAN
      vendor: Broadcom Corporation
      physical id: 0
      bus info: pci@0000:0b:00.0
      version: 01
      width: 32 bits
      clock: 33MHz
      capabilities: pm msi pciexpress bus_master cap_list
      configuration: driver=wl latency=0
      resources: irq:16 memory:efcfc000-efcfffff
 *-network UNCLAIMED
      description: Ethernet controller
      product: BCM4401-B0 100Base-TX
      vendor: Broadcom Corporation
      physical id: 0
      bus info: pci@0000:03:00.0
      version: 02
      width: 32 bits
      clock: 33MHz
      capabilities: pm bus_master cap_list
      configuration: latency=64
      resources: memory:ef9fe000-ef9fffff
lspci
Code:
00:00.0 Host bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub (rev 03)
00:01.0 PCI bridge: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port (rev 03)
00:1b.0 Audio device: Intel Corporation NM10/ICH7 Family High Definition Audio Controller (rev 01)
00:1c.0 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 1 (rev 01)
00:1c.3 PCI bridge: Intel Corporation NM10/ICH7 Family PCI Express Port 4 (rev 01)
00:1d.0 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 (rev 01)
00:1d.1 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 (rev 01)
00:1d.2 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 (rev 01)
00:1d.3 USB controller: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 (rev 01)
00:1d.7 USB controller: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller (rev 01)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e1)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 01)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] (rev 01)
00:1f.3 SMBus: Intel Corporation NM10/ICH7 Family SMBus Controller (rev 01)
01:00.0 VGA compatible controller: Advanced Micro Devices [AMD] nee ATI RV515/M54 [Mobility Radeon X1400]
03:00.0 Ethernet controller: Broadcom Corporation BCM4401-B0 100Base-TX (rev 02)
03:01.0 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller
03:01.1 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter (rev 19)
03:01.2 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter (rev 0a)
03:01.3 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 05)
0b:00.0 Network controller: Broadcom Corporation BCM4311 802.11b/g WLAN (rev 01)
 
Old 05-01-2013, 06:01 PM   #2
rokytnji
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Quote:
Broadcom Corporation BCM4311 For wireless
and Broadcom Corporation BCM4401-B0 for wired hard line.
Sh

Shoot. A catch-22. You have no ethernet to download broadcom firmware. Might have to backup what you want to keep to a external drive or media and boot a live cd that gives you internet and try to find a broadcom firmware .deb somehow. Once you have internet going on eth0 or wlan0 on internal install. You should be able to get the firmware for the other internet interface.

You might want to spit out

Code:
 lspci -nnn -k
in your next post also as well as

Code:
dmesg | grep firmware
It's going to be a tuffy though with no internet connection what so ever.

Maybe, just maybe. A Broadcom firmware backup was made when you upgraded to 13.04.
13.04 just did not install certain things I guess during the upgrade.

Last edited by rokytnji; 05-01-2013 at 06:05 PM.
 
Old 05-01-2013, 06:10 PM   #3
rokytnji
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Quote:
Maybe, just maybe. A Broadcom firmware backup was made when you upgraded to 13.04.
to show what I mean kinda sorta

Code:
harry@biker ~ $ inxi -N
Network:   Card-1: Atheros AR9285 Wireless Network Adapter (PCI-Express) driver: ath9k 
           Card-2: Marvell 88E8040 PCI-E Fast Ethernet Controller driver: sky2 
harry@biker ~ $ locate ath9k
/lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/ath/ath9k
/lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k.ko
/lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_common.ko
/lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_htc.ko
/lib/modules/3.5.0-17-generic/kernel/drivers/net/wireless/ath/ath9k/ath9k_hw.ko
/usr/src/linux-headers-3.5.0-17/drivers/net/wireless/ath/ath9k
/usr/src/linux-headers-3.5.0-17/drivers/net/wireless/ath/ath9k/Kconfig
/usr/src/linux-headers-3.5.0-17/drivers/net/wireless/ath/ath9k/Makefile
/usr/src/linux-headers-3.5.0-17/include/linux/ath9k_platform.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/ahb.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/btcoex
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/common.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/debugfs.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/htc
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/htc.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/hw.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/pci.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/rate
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/btcoex/support.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/htc/debugfs.h
/usr/src/linux-headers-3.5.0-17-generic/include/config/ath9k/rate/control.h
/usr/src/linux-headers-3.5.0-17-generic/include/linux/ath9k_platform.h
harry@biker ~ $ locate sky2
/lib/modules/3.5.0-17-generic/kernel/drivers/net/ethernet/marvell/sky2.ko
/usr/src/linux-headers-3.5.0-17-generic/include/config/sky2.h
the dmesg firmware command may show what firmware for broadcom is missing. Then you can use the locate command to try and find it.
It may end with .ko.bk which bk is short hand for backup.
 
Old 05-01-2013, 07:43 PM   #4
Toonses82
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lspci -nnn -k spit out the following:
Code:
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
	Subsystem: Dell Device [1028:01bd]
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
	Kernel driver in use: pcieport
00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition Audio Controller [8086:27d8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1 [8086:27d0] (rev 01)
	Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 4 [8086:27d6] (rev 01)
	Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 [8086:27c9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 [8086:27ca] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 [8086:27cb] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.7 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller [8086:27cc] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ehci-pci
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: lpc_ich
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] [8086:27c4] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ata_piix
dmesg | grep firmware had no output. I don't think there's a backup of anything. I wiped the drive and did a fresh install on clean partitions. I've done this twice since I had the problem the first time and had no idea how to solve it. I figured I'd just start over in case it was a botched install, but the problem persists. It's weird. I've done many linux installations over the years and I've never had to troubleshoot a missing wired connection.
 
Old 05-02-2013, 12:07 AM   #5
rokytnji
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Quote:
lspci -nnn -k spit out the following:
That is not the whole readout. You only copied and pasted to 00:if.2

Refer to your other lspci readout in 1st post.

Quote:
I don't think there's a backup of anything. I wiped the drive and did a fresh install on clean partitions.
I understood

Quote:
I've been running Xubuntu for a while and everything's been working great. Today, I upgraded to 13.04 and now I have no network interfaces.
Upgrade as in changing /etc/apt/sources.list and doing apt-get update && apt-get dist-upgrade on a existing install.

All I can say if new install. Was a md5sum check of downloaded Xubuntu iso done before installing to usb or burning to dvdrom/cdrom disk (at a slow speed of course)

I can't tell what is going on without a full lspci -nnn -k report., You notice it supplies what driver is being used on what chip.

Example from your readout

Quote:
Kernel driver in use: ata_piix
 
Old 05-02-2013, 01:19 AM   #6
Toonses82
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Sorry about that. Not sure what happened there. Here is the whole readout:
Code:
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
	Subsystem: Dell Device [1028:01bd]
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
	Kernel driver in use: pcieport
00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition Audio Controller [8086:27d8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1 [8086:27d0] (rev 01)
	Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 4 [8086:27d6] (rev 01)
	Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 [8086:27c9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 [8086:27ca] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 [8086:27cb] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.7 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller [8086:27cc] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ehci-pci
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: lpc_ich
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] [8086:27c4] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ata_piix
00:1f.3 SMBus [0c05]: Intel Corporation NM10/ICH7 Family SMBus Controller [8086:27da] (rev 01)
	Subsystem: Dell Device [1028:01bd]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI RV515/M54 [Mobility Radeon X1400] [1002:7145]
	Subsystem: Dell Device [1028:2003]
	Kernel driver in use: radeon
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
	Subsystem: Dell Inspiron 6400 [1028:01af]
03:01.0 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832]
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: firewire_ohci
03:01.1 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 19)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: sdhci-pci
03:01.2 System peripheral [0880]: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter [1180:0592] (rev 0a)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: r592
03:01.3 System peripheral [0880]: Ricoh Co Ltd xD-Picture Card Controller [1180:0852] (rev 05)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: r852
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
	Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
	Kernel driver in use: wl
I don't have the ISO anymore, so I can't check the MD5SUM, but I'm almost positive it's an issue with Ubuntu 13.04 and my laptop. I found another thread with two other people (I'm Grassman20 there) with the exact same issue on the same laptop, Dell Inspiron e1505 (6400). The live CD worked, but the install leaves me with no network interfaces. I also have the shutdown issue mentioned in the other thread, but that's secondary right now.
 
Old 05-02-2013, 01:29 PM   #7
rokytnji
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Me no likey

Quote:
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
Subsystem: Dell Inspiron 6400 [1028:01af]
Because no kernel driver in use shows for that. I avoid Broadcom gear (means I won't buy dell) because of posts like yours so I am no Broadcom expert.

Quote:
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
Kernel driver in use: wl
That looks promising. Problem is. I am not Broadcom proficient and don't know for sure if it is better to use the open source driver for broadcom or their proprietary one instead. All my wireless chips use open source drivers but they are open source compatible chips.

Assuming the wl driver is working (just stabbing around in the dark here). Plus. No firmware is needed. Like I said. Just guessing.

Code:
sudo ip addr show
Code:
sudo ip link show
I know ifconfig -a did not show anything as far as external network interfaces showing up. Just trying to see if more info can be gleaned so you can maybe insert that info in your other thread where maybe someone better knowledgeable than me can use that info to get you where you want to be. Sorry. Best I can do for you.

Last edited by rokytnji; 05-02-2013 at 01:30 PM.
 
Old 05-02-2013, 09:17 PM   #8
Toonses82
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Thanks for all your help. Unfortunately, I need this laptop to be functional by Saturday, and it doesn't look like I'll be fixing this any time soon. I'll have to find a non-ubuntu distro that will hopefully work better.
 
Old 05-03-2013, 01:34 AM   #9
Toonses82
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On a hunch, I plugged the Xubuntu live CD back in to run the commands listed above. For whatever reason, the network interfaces work fine on the live CD, but disappear when the system is actually installed. I fired up the live session, and here's what I got from lspci -nnn -k:
Code:
00:00.0 Host bridge [0600]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express Memory Controller Hub [8086:27a0] (rev 03)
	Subsystem: Dell Device [1028:01bd]
00:01.0 PCI bridge [0604]: Intel Corporation Mobile 945GM/PM/GMS, 943/940GML and 945GT Express PCI Express Root Port [8086:27a1] (rev 03)
	Kernel driver in use: pcieport
00:1b.0 Audio device [0403]: Intel Corporation NM10/ICH7 Family High Definition Audio Controller [8086:27d8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: snd_hda_intel
00:1c.0 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 1 [8086:27d0] (rev 01)
	Kernel driver in use: pcieport
00:1c.3 PCI bridge [0604]: Intel Corporation NM10/ICH7 Family PCI Express Port 4 [8086:27d6] (rev 01)
	Kernel driver in use: pcieport
00:1d.0 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #1 [8086:27c8] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.1 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #2 [8086:27c9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.2 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #3 [8086:27ca] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.3 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB UHCI Controller #4 [8086:27cb] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: uhci_hcd
00:1d.7 USB controller [0c03]: Intel Corporation NM10/ICH7 Family USB2 EHCI Controller [8086:27cc] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ehci-pci
00:1e.0 PCI bridge [0604]: Intel Corporation 82801 Mobile PCI Bridge [8086:2448] (rev e1)
00:1f.0 ISA bridge [0601]: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge [8086:27b9] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: lpc_ich
00:1f.2 IDE interface [0101]: Intel Corporation 82801GBM/GHM (ICH7-M Family) SATA Controller [IDE mode] [8086:27c4] (rev 01)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: ata_piix
00:1f.3 SMBus [0c05]: Intel Corporation NM10/ICH7 Family SMBus Controller [8086:27da] (rev 01)
	Subsystem: Dell Device [1028:01bd]
01:00.0 VGA compatible controller [0300]: Advanced Micro Devices [AMD] nee ATI RV515/M54 [Mobility Radeon X1400] [1002:7145]
	Subsystem: Dell Device [1028:2003]
	Kernel driver in use: radeon
03:00.0 Ethernet controller [0200]: Broadcom Corporation BCM4401-B0 100Base-TX [14e4:170c] (rev 02)
	Subsystem: Dell Inspiron 6400 [1028:01af]
	Kernel driver in use: b44
03:01.0 FireWire (IEEE 1394) [0c00]: Ricoh Co Ltd R5C832 IEEE 1394 Controller [1180:0832]
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: firewire_ohci
03:01.1 SD Host controller [0805]: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host Adapter [1180:0822] (rev 19)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: sdhci-pci
03:01.2 System peripheral [0880]: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter [1180:0592] (rev 0a)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: r592
03:01.3 System peripheral [0880]: Ricoh Co Ltd xD-Picture Card Controller [1180:0852] (rev 05)
	Subsystem: Dell Device [1028:01bd]
	Kernel driver in use: r852
0b:00.0 Network controller [0280]: Broadcom Corporation BCM4311 802.11b/g WLAN [14e4:4311] (rev 01)
	Subsystem: Dell Wireless 1390 WLAN Mini-Card [1028:0007]
	Kernel driver in use: b43-pci-bridge
I see the kernel driver in use for the ethernet interface is b44. Is this useful in some way? Can I install this kernel driver via a thumb drive or something?
 
Old 10-25-2013, 04:07 PM   #10
gunter06
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Module b44 might be blacklisted.
Please check /etc/modprobe/blacklist-bcm43.conf

http://ubuntuforums.org/showthread.php?t=2141076
 
  


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Xubuntu: cant create virtual eth1 in /etc/network/interfaces Karottenbaum Linux - Software 4 10-12-2011 04:42 PM
[SOLVED] /etc/network/interfaces configuration for virtual interfaces nonshatter Linux - Networking 4 10-25-2010 06:22 AM
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the network scripts to create network interfaces for 802.1q VLANs 10 and 11, Lahore Linux - Networking 0 03-18-2009 05:45 AM


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