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Thread: Very odd internet connection problem

  1. #1
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    Very odd internet connection problem

    I have a problem with my internet connection. No matter whether I use wired or wireless, I cannot login to msn.com. Also, I have frequent connection drops using Chromium. Does anyone know a fix for this? I use Comcast and everything works fine on other OS's around the house. I've tried resetting to router and nothing helps. I can't even pull up msn.com the majority of the time.
    Last edited by randytuggle; January 15th, 2013 at 01:39 PM.
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  2. #2
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    Re: Very odd internet connection problem

    Quote Originally Posted by randytuggle View Post
    I have a problem with my internet connection. No matter whether I use wired or wireless, I cannot login to msn.com. Also, I have frequent connection drops using Chromium. Does anyone know a fix for this? I use Comcast and everything works fine on other OS's around the house. I've tried resetting to router and nothing helps. I can't even pull up msn.com the majority of the time.
    Are your issues only with msn.com or with every other website? Since MSN is part of Microsoft, I'd expect they would prefer people to use Internet Explorer when visiting that website. Perhaps they do not test with other browsers on other OSes as much?

    I just visited msn.com and the page loaded fine under firefox even with javascript blocked. I've never had any Microsoft account (never intend to have one), so I can't check the login. Clicking to that login page did appear to have some complex javascript. The more complex the js, to more likely that it isn't cross-browser.

    It is possible to run IE8 under WINE, however, WINE is also a good way to get Windows viruses.

    Could you explain the exact steps and results for each step so that someone might be able to reproduce the issue on MSN?

    If this is an issue with every website, we need to know that too. That would be very important information. Please, only use the wired connection until we get this sorted. We'll need to know:
    * which OS
    * network card data - chipset from lshw
    * contents of /etc/network/interfaces
    * contents of /etc/resolv.conf
    * output from ifconfig
    * vendor/model of modem
    * vendor/model of router

    It could be that your DNS is having issues and that the internet is actually just fine. To most people, when DNS is unavailable, the internet seems completely broken, though it is just fine.

  3. #3
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    Re: Very odd internet connection problem

    My ethernet card doesn't work well because the cable clip falls out of the card, but here is the output from running lshw. Below this you'll see the contents from /etc/network/interfaces, etc/resolv.conf, ifconfig. I have an xfinity router but no phone service to it.


    description: Computer
    width: 64 bits
    capabilities: vsyscall32
    *-core
    description: Motherboard
    physical id: 0
    *-memory
    description: System memory
    physical id: 0
    size: 1993MiB
    *-cpu:0
    product: Intel(R) Pentium(R) 4 CPU 3.00GHz
    vendor: Intel Corp.
    physical id: 1
    bus info: cpu@0
    width: 64 bits
    capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl est cid cx16 xtpr
    *-cpu:1
    product: Intel(R) Pentium(R) 4 CPU 3.00GHz
    vendor: Intel Corp.
    physical id: 2
    bus info: cpu@1
    width: 64 bits
    capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx x86-64 constant_tsc pebs bts nopl pni dtes64 monitor ds_cpl est cid cx16 xtpr
    *-pci
    description: Host bridge
    product: 82945G/GZ/P/PL Memory Controller Hub
    vendor: Intel Corporation
    physical id: 100
    bus info: pci@0000:00:00.0
    version: 02
    width: 32 bits
    clock: 33MHz
    configuration: driver=agpgart-intel
    resources: irq:0
    *-pci:0
    description: PCI bridge
    product: 82945G/GZ/P/PL PCI Express Root Port
    vendor: Intel Corporation
    physical id: 1
    bus info: pci@0000:00:01.0
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: pci normal_decode bus_master cap_list
    configuration: driver=pcieport
    resources: irq:40 memory:efd00000-efdfffff
    *-display:0
    description: VGA compatible controller
    product: 82945G/GZ Integrated Graphics Controller
    vendor: Intel Corporation
    physical id: 2
    bus info: pci@0000:00:02.0
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: vga_controller bus_master cap_list rom
    configuration: driver=i915 latency=0
    resources: irq:16 memory:eff00000-eff7ffff ioport:ecd8(size=8) memory:d0000000-dfffffff memory:efec0000-efefffff
    *-display:1 UNCLAIMED
    description: Display controller
    product: 82945G/GZ Integrated Graphics Controller
    vendor: Intel Corporation
    physical id: 2.1
    bus info: pci@0000:00:02.1
    version: 02
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: latency=0
    resources: memory:eff80000-efffffff
    *-multimedia
    description: Audio device
    product: NM10/ICH7 Family High Definition Audio Controller
    vendor: Intel Corporation
    physical id: 1b
    bus info: pci@0000:00:1b.0
    version: 01
    width: 64 bits
    clock: 33MHz
    capabilities: bus_master cap_list
    configuration: driver=snd_hda_intel latency=0
    resources: irq:42 memory:efebc000-efebffff
    *-pci:1
    description: PCI bridge
    product: NM10/ICH7 Family PCI Express Port 1
    vendor: Intel Corporation
    physical id: 1c
    bus info: pci@0000:00:1c.0
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: pci normal_decode bus_master cap_list
    configuration: driver=pcieport
    resources: irq:41 ioport:1000(size=4096) memory:efc00000-efcfffff ioport:80000000(size=2097152)
    *-usb:0
    description: USB controller
    product: NM10/ICH7 Family USB UHCI Controller #1
    vendor: Intel Corporation
    physical id: 1d
    bus info: pci@0000:00:1d.0
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: uhci bus_master
    configuration: driver=uhci_hcd latency=0
    resources: irq:21 ioport:ff80(size=32)
    *-usb:1
    description: USB controller
    product: NM10/ICH7 Family USB UHCI Controller #2
    vendor: Intel Corporation
    physical id: 1d.1
    bus info: pci@0000:00:1d.1
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: uhci bus_master
    configuration: driver=uhci_hcd latency=0
    resources: irq:22 ioport:ff60(size=32)
    *-usb:2
    description: USB controller
    product: NM10/ICH7 Family USB UHCI Controller #3
    vendor: Intel Corporation
    physical id: 1d.2
    bus info: pci@0000:00:1d.2
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: uhci bus_master
    configuration: driver=uhci_hcd latency=0
    resources: irq:18 ioport:ff40(size=32)
    *-usb:3
    description: USB controller
    product: NM10/ICH7 Family USB UHCI Controller #4
    vendor: Intel Corporation
    physical id: 1d.3
    bus info: pci@0000:00:1d.3
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: uhci bus_master
    configuration: driver=uhci_hcd latency=0
    resources: irq:23 ioport:ff20(size=32)
    *-usb:4
    description: USB controller
    product: NM10/ICH7 Family USB2 EHCI Controller
    vendor: Intel Corporation
    physical id: 1d.7
    bus info: pci@0000:00:1d.7
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: ehci bus_master cap_list
    configuration: driver=ehci_hcd latency=0
    resources: irq:21 memory:ffa80800-ffa80bff
    *-pci:2
    description: PCI bridge
    product: 82801 PCI Bridge
    vendor: Intel Corporation
    physical id: 1e
    bus info: pci@0000:00:1e.0
    version: e1
    width: 32 bits
    clock: 33MHz
    capabilities: pci subtractive_decode bus_master cap_list
    resources: ioport:d000(size=4096) memory:efb00000-efbfffff
    *-network
    description: Ethernet interface
    product: NM10/ICH7 Family LAN Controller
    vendor: Intel Corporation
    physical id: 8
    bus info: pci@0000:03:08.0
    logical name: eth0
    version: 01
    serial: 00:13:72:e2:e9:7c
    size: 10Mbit/s
    capacity: 100Mbit/s
    width: 32 bits
    clock: 33MHz
    capabilities: bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.24-k2-NAPI duplex=half latency=64 maxlatency=56 mingnt=8 multicast=yes port=MII speed=10Mbit/s
    resources: irq:20 memory:efbff000-efbfffff ioport:dcc0(size=64)
    *-isa
    description: ISA bridge
    product: 82801GB/GR (ICH7 Family) LPC Interface Bridge
    vendor: Intel Corporation
    physical id: 1f
    bus info: pci@0000:00:1f.0
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: isa bus_master cap_list
    configuration: driver=lpc_ich latency=0
    resources: irq:0
    *-ide:0
    description: IDE interface
    product: 82801G (ICH7 Family) IDE Controller
    vendor: Intel Corporation
    physical id: 1f.1
    bus info: pci@0000:00:1f.1
    version: 01
    width: 32 bits
    clock: 33MHz
    capabilities: ide bus_master
    configuration: driver=ata_piix latency=0
    resources: irq:16 ioport:1f0(size=8) ioport:3f6 ioport:170(size=8) ioport:376 ioport:ffa0(size=16)
    *-ide:1
    description: IDE interface
    product: NM10/ICH7 Family SATA Controller [IDE mode]
    vendor: Intel Corporation
    physical id: 1f.2
    bus info: pci@0000:00:1f.2
    version: 01
    width: 32 bits
    clock: 66MHz
    capabilities: ide bus_master cap_list
    configuration: driver=ata_piix latency=0
    resources: irq:20 ioport:fe00(size=8) ioport:fe10(size=4) ioport:fe20(size=8) ioport:fe30(size=4) ioport:fea0(size=16) memory:80200000-802003ff
    *-serial UNCLAIMED
    description: SMBus
    product: NM10/ICH7 Family SMBus Controller
    vendor: Intel Corporation
    physical id: 1f.3
    bus info: pci@0000:00:1f.3
    version: 01
    width: 32 bits
    clock: 33MHz
    configuration: latency=0
    resources: ioport:ece0(size=32)
    *-scsi
    physical id: 3
    logical name: scsi0
    capabilities: emulated
    *-cdrom
    description: DVD writer
    product: DVD+-RW GSA-H21N
    vendor: HL-DT-ST
    physical id: 0.0.0
    bus info: scsi@0:0.0.0
    logical name: /dev/cdrom
    logical name: /dev/cdrw
    logical name: /dev/dvd
    logical name: /dev/dvdrw
    logical name: /dev/sr0
    version: A105
    serial: [
    capabilities: removable audio cd-r cd-rw dvd dvd-r
    configuration: ansiversion=5 status=nodisc
    *-network
    description: Wireless interface
    physical id: 1
    bus info: usb@1:4
    logical name: wlan0
    serial: 08:86:3b:fb:76:29
    capabilities: ethernet physical wireless
    configuration: broadcast=yes driver=r8712u ip=10.0.0.4 multicast=yes wireless=IEEE 802.11bgn


    from interfaces:

    # interfaces(5) file used by ifup(8) and ifdown(8)
    auto lo
    iface lo inet loopback

    resolv.conf:

    # Dynamic resolv.conf(5) file for glibc resolver(3) generated by resolvconf(8)
    # DO NOT EDIT THIS FILE BY HAND -- YOUR CHANGES WILL BE OVERWRITTEN
    nameserver 127.0.1.1
    search hsd1.pa.comcast.net

    ifconfig:

    eth0 Link encap:Ethernet HWaddr 00:13:72:e2:e9:7c
    UP BROADCAST MULTICAST MTU:1500 Metric:1
    RX packets:0 errors:0 dropped:0 overruns:0 frame:0
    TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

    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:16436 Metric:1
    RX packets:2803 errors:0 dropped:0 overruns:0 frame:0
    TX packets:2803 errors:0 dropped:0 overruns:0 carrier:0
    collisions:0 txqueuelen:0
    RX bytes:295302 (295.3 KB) TX bytes:295302 (295.3 KB)

    wlan0 Link encap:Ethernet HWaddr 08:86:3b:fb:76:29
    inet addr:10.0.0.4 Bcast:10.0.0.255 Mask:255.255.255.0
    inet6 addr: fe80::a86:3bff:fefb:7629/64 Scope:Link
    UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
    RX packets:307770 errors:0 dropped:38129 overruns:0 frame:0
    TX packets:217453 errors:0 dropped:2 overruns:0 carrier:0
    collisions:0 txqueuelen:1000
    RX bytes:123617279 (123.6 MB) TX bytes:24112810 (24.1 MB)
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  4. #4
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    Re: Very odd internet connection problem

    I'm using Lubuntu 12.10 64 bit. This only happens with msn.com -- and I don't even use it that much with the exception of viewing news and checking hotmail. Weird thing is, hotmail works. I do notice intermittent connectivity problems when clicking on links.
    In search of the perfect OS...

  5. #5
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    Re: Very odd internet connection problem

    Ok, so it appears you are using wifi, not wired ethernet.

    It appears that the DNS server is screwed up. You need to fix that by manually setting it. I don't know how to accomplish that for wifi connections, but for wired connections, you specify the DNS servers in the /etc/network/interfaces file. Using DHCP makes it easier when everything works, but not easier to troubleshoot, IMHO.


    So, if you can plug in the box with an ethernet cable and edit the /etc/network/interfaces file to add these lines:
    -----------------------------
    auto eth0
    iface eth0 inet dhcp
    # Force google DNS servers
    dns-nameservers 8.8.8.8
    ---------------------------
    I think it will work fine. You might want to use a different DNS service or even use the one from Comcast. Usually you want to have 2 DNS providers so that if 1 is failing (like you are seeing today), then the other will still work. It is hard to choose one when nothing works. I just happen to have the google DNS memorized, though I wouldn't recommend it to any who cares about their privacy. I'd use it just long enough to find a different DNS provider.

    If you can find the setting for your wifi network connection, then you can enter the 8.8.8.8 IP address there. It will work the same.

  6. #6
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    Re: Very odd internet connection problem

    Quote Originally Posted by randytuggle View Post
    I'm using Lubuntu 12.10 64 bit. This only happens with msn.com -- and I don't even use it that much with the exception of viewing news and checking hotmail. Weird thing is, hotmail works. I do notice intermittent connectivity problems when clicking on links.
    I use LXDE on 12.04 myself. 12.10 is too new for me. I prefer LTS releases when I need something that will just work. I do not use wifi connections unless absolutely required. None of the machines I can get to have wifi cards, so I can't look up the wifi-specific commands. Sorry.

    I'd be surprised if hotmail works. You don't appear to have a valid DNS service provider inside the network settings. Why are you using Microsoft-centric services in Ubuntu? msn, hotmail .... I'm curious.

  7. #7
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    Re: Very odd internet connection problem

    I changed the interfaces file but after a reboot, still no good. I don't even need msn really. I just use it as a news site from time to time. I just hate when things don't work as they should.
    In search of the perfect OS...

  8. #8
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    Re: Very odd internet connection problem

    Quote Originally Posted by randytuggle View Post
    I changed the interfaces file but after a reboot, still no good. I don't even need msn really. I just use it as a news site from time to time. I just hate when things don't work as they should.
    What does /etc/resolv.conf say? If it doesn't have an IP address on the internet, then it isn't working. If there is an IP address inside it, then you can check if you can "ping" it.

    Code:
    ping 8.8.8.8
    If that works, then you are actually on the internet, and it is just the DNS that isn't working.

    If you are not using the wired ethernet connection, the settings inside the interfaces file do not matter. It doesn't work for wifi - or at least it may not work for wifi. I don't know since the wpa* commands were all introduced a few yrs ago.

    Having both wired ethernet AND wifi working at the same time is a bad idea. Disable wifi when using wired or
    disable wired when using wifi. Don't allow both.

    Finally, no need to reboot. run
    Code:
    sudo service networking restart
    to restart all networking on the machine. The only time a reboot is necessary is when the physical hardware changes or you use the BIOS to enable/disable hardware (sometimes). I'd always try the restart command first before rebooting.

  9. #9
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    Re: Very odd internet connection problem

    resolv.conf shows 8.8.8.8 and when I ping it, it works fine. I'm using wired ethernet without any wi-fi, too. I tried the network reboot method you suggested, and nothing helps. This is really odd.
    In search of the perfect OS...

  10. #10
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    Re: Very odd internet connection problem

    Is there a reason you're using resolve.conf, rather than the Network Connections GUI?

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