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Thread: Network disconnects after minute Dell Dimension 8200

  1. #1

    Default Network disconnects after minute Dell Dimension 8200

    Hello. My family has an old Dell Dimension 8200 which has become incapable of running Windows at decent speeds. I was hoping to install Linux as a solution.

    However, not being all that computer literate, my family needs a simplistic interface. My hope is to use the Moblin UI. Because Moblin doesn't support the computer's processor, I'm hoping to install the UI on top of OpenSuse 11.1.

    I've successfully installed Opensuse on the computer (I haven't attempted to make the Moblin UI work yet). However, I am having problems with the internet connection.

    The computer uses a standard Ethernet cable to connect to the internet. Opensuse however is not able to see this connection unless I unplug the Ethernet cable from the computer and plug it back in. After doing so, the internet works perfectly for about 1 minute. After that, the connection will stop working again unless I, once again, unplug the Ethernet cable and plug it back in.

    Obviously, unplugging the ethernet cable every minute or so is not practical for general use. Can anyone offer any assistance? If you need me to post the output of any terminal commands, tell me what commands and I'll do so.

    Thanks!

  2. #2
    Join Date
    Jun 2008
    Location
    Kentucky, USA
    Posts
    466

    Default Re: Network disconnects after minute Dell Dimension 8200

    Become root in a terminal with
    Code:
    su
    and post the output of
    Code:
    lspci -vnn
    Klaatu Barada Nikto

  3. #3

    Default Re: Network disconnects after minute Dell Dimension 8200

    Quote Originally Posted by wowfunhappy View Post
    Hello. My family has an old Dell Dimension 8200 which has become incapable of running Windows at decent speeds. I was hoping to install Linux as a solution.
    Maybe, but a modern linux distribution does not have lower demand for RAM/CPU than a 7 year old Windows (XP), on the contrary.

    Windows XP runs with 128MB of RAM (and it will do quite nicely if configured in the respective way).

    An openSUSE under 256MB of RAM will be not a lot of fun, perhaps with moblin (don't know its minimum requirements), maybe with fluxbox or some other, slim WM.

    If you were not able to strip down Windows XP to run with low hardware specs, I doubt you will be happy with openSUSE 11.1 (or any other "big" linux distribution).

  4. #4

    Default Re: Network disconnects after minute Dell Dimension 8200

    The computer used to run Windows 2000; Windows XP didn't exist when we bought it. It's specs aren't THAT bad though. When we first got the computer, it was one of the most expensive computers you could buy.

    I'd like to try installing XP, but I don't have a spare copy. And while Windows 2000 SP1 and SP2 work fine, my father is worried that without SP4 there's a large risk we'll get a virus.

    It has 512MB or Ram, so more than the 256MB you said are needed.

    I'll post the output of lspci -vnn as soon as I get a chance later today; thanks. Do you want me to run it during the minute the internet works, or after it disconnects (or both)?

  5. #5

    Default Re: Network disconnects after minute Dell Dimension 8200

    512 MB is plenty, even for KDE (3.5 for sure).

    And instead of lspci -vvn which will give a lot of (in most cases) useless information but missing a lot of useful one, read this.

    openSUSE Forums - View Single Post - Getting Your Wireless to Work

    BTW:

    Win 2000 has certainly lower requirements than XP, so I would bet it is a configuration problem and not "weak" hardware.

  6. #6

    Default Re: Network disconnects after minute Dell Dimension 8200

    Akoellh, if the script is absolutely necessary, I'll run it, but please understand that running scripts takes slightly longer than running a command, and when your internet is constantly disconnecting from the computer you are working on, slightly longer becomes a lot longer. I don't know how good this constant unplugging and replugging is for my ethernet port.

    Here's the output of lspci -vnn when the internet is working:

    Code:
    00:00.0 Host bridge [0600]: Intel Corporation 82850 850 (Tehama) Chipset Host Bridge (MCH) [8086:2530] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, fast devsel, latency 0
    	Memory at e8000000 (32-bit, prefetchable) [size=128M]
    	Capabilities: [a0] AGP version 2.0
    	Kernel driver in use: agpgart-intel
    	Kernel modules: intel-agp
    
    00:01.0 PCI bridge [0604]: Intel Corporation 82850 850 (Tehama) Chipset AGP Bridge [8086:2532] (rev 04) (prog-if 00 [Normal decode])
    	Flags: bus master, 66MHz, fast devsel, latency 64
    	Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
    	Memory behind bridge: fc000000-fdffffff
    	Prefetchable memory behind bridge: f0000000-f7ffffff
    	Kernel modules: shpchp
    
    00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 04) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0
    	Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
    	I/O behind bridge: 0000e000-0000efff
    	Memory behind bridge: fe100000-fe2fffff
    	Prefetchable memory behind bridge: 30000000-300fffff
    	Kernel modules: shpchp
    
    00:1f.0 ISA bridge [0601]: Intel Corporation 82801BA ISA Bridge (LPC) [8086:2440] (rev 04)
    	Flags: bus master, medium devsel, latency 0
    	Kernel modules: iTCO_wdt, intel-rng
    
    00:1f.1 IDE interface [0101]: Intel Corporation 82801BA IDE U100 Controller [8086:244b] (rev 04) (prog-if 80 [Master])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0
    	[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8]
    	[virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1]
    	[virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8]
    	[virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1]
    	I/O ports at ffa0 [size=16]
    	Kernel driver in use: ata_piix
    	Kernel modules: piix, ata_piix
    
    00:1f.2 USB Controller [0c03]: Intel Corporation 82801BA/BAM USB Controller #1 [8086:2442] (rev 04) (prog-if 00 [UHCI])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 19
    	I/O ports at ff80 [size=32]
    	Kernel driver in use: uhci_hcd
    	Kernel modules: uhci-hcd
    
    00:1f.3 SMBus [0c05]: Intel Corporation 82801BA/BAM SMBus Controller [8086:2443] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: medium devsel, IRQ 17
    	I/O ports at dcd0 [size=16]
    	Kernel driver in use: i801_smbus
    	Kernel modules: i2c-i801
    
    00:1f.4 USB Controller [0c03]: Intel Corporation 82801BA/BAM USB Controller #1 [8086:2444] (rev 04) (prog-if 00 [UHCI])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 23
    	I/O ports at ff60 [size=32]
    	Kernel driver in use: uhci_hcd
    	Kernel modules: uhci-hcd
    
    00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801BA/BAM AC'97 Audio Controller [8086:2445] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 17
    	I/O ports at d800 [size=256]
    	I/O ports at dc40 [size=64]
    	Kernel driver in use: Intel ICH
    	Kernel modules: snd-intel8x0
    
    01:00.0 VGA compatible controller [0300]: nVidia Corporation NV11 [GeForce2 MX/MX 400] [10de:0110] (rev b2) (prog-if 00 [VGA controller])
    	Subsystem: nVidia Corporation Dell OEM GeForce 2 MX 400 [10de:0091]
    	Flags: 66MHz, medium devsel, IRQ 3
    	Memory at fc000000 (32-bit, non-prefetchable) [size=16M]
    	Memory at f0000000 (32-bit, prefetchable) [size=128M]
    	Expansion ROM at fd000000 [disabled] [size=64K]
    	Capabilities: [60] Power Management version 2
    	Capabilities: [44] AGP version 2.0
    	Kernel modules: nvidiafb, rivafb
    
    02:08.0 Communication controller [0780]: Conexant Systems, Inc. HCF 56k Data/Fax/Voice/Spkp Modem [14f1:1036] (rev 08)
    	Subsystem: GVC Corporation Dell Titanium [13e0:0209]
    	Flags: bus master, medium devsel, latency 64, IRQ 10
    	Memory at fe1f0000 (32-bit, non-prefetchable) [size=64K]
    	I/O ports at ecf8 [size=8]
    	Capabilities: [40] Power Management version 2
    
    02:09.0 Ethernet controller [0200]: Davicom Semiconductor, Inc. 21x4x DEC-Tulip compatible 10/100 Ethernet [1282:9102] (rev 31)
    	Subsystem: Device [4554:434e]
    	Flags: bus master, medium devsel, latency 64, IRQ 18
    	I/O ports at e800 [size=256]
    	Memory at fe1efc00 (32-bit, non-prefetchable) [size=256]
    	Expansion ROM at 30000000 [disabled] [size=256K]
    	Capabilities: [50] Power Management version 2
    	Kernel driver in use: tulip
    	Kernel modules: tulip, dmfe
    And after the network disconnects:

    Code:
    00:00.0 Host bridge [0600]: Intel Corporation 82850 850 (Tehama) Chipset Host Bridge (MCH) [8086:2530] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, fast devsel, latency 0
    	Memory at e8000000 (32-bit, prefetchable) [size=128M]
    	Capabilities: [a0] AGP version 2.0
    	Kernel driver in use: agpgart-intel
    	Kernel modules: intel-agp
    
    00:01.0 PCI bridge [0604]: Intel Corporation 82850 850 (Tehama) Chipset AGP Bridge [8086:2532] (rev 04) (prog-if 00 [Normal decode])
    	Flags: bus master, 66MHz, fast devsel, latency 64
    	Bus: primary=00, secondary=01, subordinate=01, sec-latency=64
    	Memory behind bridge: fc000000-fdffffff
    	Prefetchable memory behind bridge: f0000000-f7ffffff
    	Kernel modules: shpchp
    
    00:1e.0 PCI bridge [0604]: Intel Corporation 82801 PCI Bridge [8086:244e] (rev 04) (prog-if 00 [Normal decode])
    	Flags: bus master, fast devsel, latency 0
    	Bus: primary=00, secondary=02, subordinate=02, sec-latency=64
    	I/O behind bridge: 0000e000-0000efff
    	Memory behind bridge: fe100000-fe2fffff
    	Prefetchable memory behind bridge: 30000000-300fffff
    	Kernel modules: shpchp
    
    00:1f.0 ISA bridge [0601]: Intel Corporation 82801BA ISA Bridge (LPC) [8086:2440] (rev 04)
    	Flags: bus master, medium devsel, latency 0
    	Kernel modules: iTCO_wdt, intel-rng
    
    00:1f.1 IDE interface [0101]: Intel Corporation 82801BA IDE U100 Controller [8086:244b] (rev 04) (prog-if 80 [Master])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0
    	[virtual] Memory at 000001f0 (32-bit, non-prefetchable) [disabled] [size=8]
    	[virtual] Memory at 000003f0 (type 3, non-prefetchable) [disabled] [size=1]
    	[virtual] Memory at 00000170 (32-bit, non-prefetchable) [disabled] [size=8]
    	[virtual] Memory at 00000370 (type 3, non-prefetchable) [disabled] [size=1]
    	I/O ports at ffa0 [size=16]
    	Kernel driver in use: ata_piix
    	Kernel modules: piix, ata_piix
    
    00:1f.2 USB Controller [0c03]: Intel Corporation 82801BA/BAM USB Controller #1 [8086:2442] (rev 04) (prog-if 00 [UHCI])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 19
    	I/O ports at ff80 [size=32]
    	Kernel driver in use: uhci_hcd
    	Kernel modules: uhci-hcd
    
    00:1f.3 SMBus [0c05]: Intel Corporation 82801BA/BAM SMBus Controller [8086:2443] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: medium devsel, IRQ 17
    	I/O ports at dcd0 [size=16]
    	Kernel driver in use: i801_smbus
    	Kernel modules: i2c-i801
    
    00:1f.4 USB Controller [0c03]: Intel Corporation 82801BA/BAM USB Controller #1 [8086:2444] (rev 04) (prog-if 00 [UHCI])
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 23
    	I/O ports at ff60 [size=32]
    	Kernel driver in use: uhci_hcd
    	Kernel modules: uhci-hcd
    
    00:1f.5 Multimedia audio controller [0401]: Intel Corporation 82801BA/BAM AC'97 Audio Controller [8086:2445] (rev 04)
    	Subsystem: Dell Device [1028:010c]
    	Flags: bus master, medium devsel, latency 0, IRQ 17
    	I/O ports at d800 [size=256]
    	I/O ports at dc40 [size=64]
    	Kernel driver in use: Intel ICH
    	Kernel modules: snd-intel8x0
    
    01:00.0 VGA compatible controller [0300]: nVidia Corporation NV11 [GeForce2 MX/MX 400] [10de:0110] (rev b2) (prog-if 00 [VGA controller])
    	Subsystem: nVidia Corporation Dell OEM GeForce 2 MX 400 [10de:0091]
    	Flags: 66MHz, medium devsel, IRQ 3
    	Memory at fc000000 (32-bit, non-prefetchable) [size=16M]
    	Memory at f0000000 (32-bit, prefetchable) [size=128M]
    	Expansion ROM at fd000000 [disabled] [size=64K]
    	Capabilities: [60] Power Management version 2
    	Capabilities: [44] AGP version 2.0
    	Kernel modules: nvidiafb, rivafb
    
    02:08.0 Communication controller [0780]: Conexant Systems, Inc. HCF 56k Data/Fax/Voice/Spkp Modem [14f1:1036] (rev 08)
    	Subsystem: GVC Corporation Dell Titanium [13e0:0209]
    	Flags: bus master, medium devsel, latency 64, IRQ 10
    	Memory at fe1f0000 (32-bit, non-prefetchable) [size=64K]
    	I/O ports at ecf8 [size=8]
    	Capabilities: [40] Power Management version 2
    
    02:09.0 Ethernet controller [0200]: Davicom Semiconductor, Inc. 21x4x DEC-Tulip compatible 10/100 Ethernet [1282:9102] (rev 31)
    	Subsystem: Device [4554:434e]
    	Flags: bus master, medium devsel, latency 64, IRQ 18
    	I/O ports at e800 [size=256]
    	Memory at fe1efc00 (32-bit, non-prefetchable) [size=256]
    	Expansion ROM at 30000000 [disabled] [size=256K]
    	Capabilities: [50] Power Management version 2
    	Kernel driver in use: tulip
    	Kernel modules: tulip, dmfe
    Thanks again for your help anyone. Again, I can run those scripts if I need to, but for now, running these commands means a less constant running to the back of the computer.

  7. #7
    Join Date
    Jun 2008
    Location
    Kentucky, USA
    Posts
    466

    Default Re: Network disconnects after minute Dell Dimension 8200

    You need to be using the dmfe driver instead of the tulip driver. I think once you blacklist the tulip driver and reboot, you should be fine. Look in /etc/modprobe.d/blacklist.conf to make sure the dmfe module isn't blacklisted and add
    Code:
    blacklist tulip
    The lspci command is fine in this case because I was almost certain what the output would be, and I've had experience with this PC model.

    02:09.0 Ethernet controller [0200]: Davicom Semiconductor, Inc. 21x4x DEC-Tulip compatible 10/100 Ethernet [1282:9102] (rev 31)
    Subsystem: Device [4554:434e]
    Flags: bus master, medium devsel, latency 64, IRQ 18
    I/O ports at e800 [size=256]
    Memory at fe1efc00 (32-bit, non-prefetchable) [size=256]
    Expansion ROM at 30000000 [disabled] [size=256K]
    Capabilities: [50] Power Management version 2
    Kernel driver in use: tulip
    Kernel modules: tulip, dmfe
    Klaatu Barada Nikto

  8. #8

    Default Re: Network disconnects after minute Dell Dimension 8200

    Sorry... I once used Ubuntu as my main desktop OS but after half a year of not using Linux I've started to forget stuff...

    how can I edit /etc/modprobe.d/blacklist.conf? The file is only accessible when logged in as root. When running as root, I'm not able to start the gedit program that I need for editing text files... sorry if it's a noob question...

  9. #9
    Join Date
    Jun 2008
    Location
    Kentucky, USA
    Posts
    466

    Default Re: Network disconnects after minute Dell Dimension 8200

    I remember seeing a bug a while back about apps not opening as root. Try becoming root with
    Code:
    su -
    and then try gedit.
    Klaatu Barada Nikto

  10. #10

    Default Re: Network disconnects after minute Dell Dimension 8200

    Okay, that worked, I was able to open gedit as root.

    When I opened blacklist.conf, it appeared in gedit as a completely blank document.

    Not sure if that's part of the problem, but anyway, when I typed "blacklist tulip" into the file, saved, and rebooted, the problem was even worse. Instead of connecting to the internet and disconnecting a minute later, my computer wouldn't connect at all.

    ???

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