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Thread: Firefox fails to download 9.1mb file

  1. #21
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    Re: Firefox fails to download 9.1mb file

    The file download bogs down in Iron browser as well . I reach 1.4 MB and the download just freezes until canceled,
    “Start where you are. Use what you have. Do what you can".

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  2. #22
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    Re: Firefox fails to download 9.1mb file

    Hello, padnoter.

    Have just downloaded this 9 MB file, https://www.prorealtime.com/java/Pro...0806145815.jar, just for fun and to to find out whether the download would complete. It downloaded in no time at all, means less than 45 seconds.
    Linux Mint 14 Nadia 32-bit, translates to Ubuntu 12.10 32-bit, Firefox 23, 6 MBit DSL connection (not too impressing I guess).
    Code:
    $ inxi -Fx
    Network:   Card-1: Atheros AR9285 Wireless Network Adapter (PCI-Express) driver: ath9k bus-ID: 04:00.0
               IF: wlan0 state: up mac: 11:33:dd:bb:55:88
               Card-2: NVIDIA MCP79 Ethernet driver: forcedeth port: d080 bus-ID: 00:0a.0
               IF: eth0 state: down mac: 22:00:ee:22:66:cc
    This little experiment may suggest either of 2 things:

    • I have just been lucky.
    • The network card and the driver that Ubuntu uses does play a role.


    Second try finished with the same time, 45 seconds, not 15 (as I initially stated, my mistake). Anyway, I guess I will risk another try in a couple of hours using a different machine having a different network card.

    Karl
    Last edited by Karlchen; August 10th, 2013 at 02:57 PM.
    Enlightened by Lucid Lynx, enchanted by Maya Mint, trusting the Tahr.

  3. #23
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    Re: Firefox fails to download 9.1mb file

    Quote Originally Posted by Karlchen View Post
    Run
    Code:
    sudo lshw -C network
    By .... it seems a bit as if the problem were caused by the website rather than by your machine.

    Karl
    here's what it give...

    *-network
    description: Ethernet interface
    product: RTL8111/8168B PCI Express Gigabit Ethernet controller
    vendor: Realtek Semiconductor Co., Ltd.
    physical id: 0
    bus info: pci@0000:0a:00.0
    logical name: eth0
    version: 06
    size: 100Mbit/s
    capacity: 1Gbit/s
    width: 64 bits
    clock: 33MHz
    capabilities: pm msi pciexpress msix vpd bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd 1000bt 1000bt-fd autonegotiation
    configuration: autonegotiation=on broadcast=yes driver=r8169 driverversion=2.3LK-NAPI duplex=full firmware=rtl_nic/rtl8168e-2.fw ip=192.168.1.4 latency=0 link=yes multicast=yes port=MII speed=100Mbit/s
    resources: irq:47 ioport:2000(size=256) memory:f3004000-f3004fff memory:f3000000-f3003fff



  4. #24
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    Re: Firefox fails to download 9.1mb file

    Quote Originally Posted by coytar View Post
    padnoter,
    Probably doesn't help you but I just tried downloading that link on my system (Ubuntu 12.04 LTS on a VM) using Firefox 23 and it worked first time. No slowdowns, no issues.
    Hi,
    thanks for trying... with a VM you say - is the base O/S windows? Only wondering as when I boot into win7 i don't have any problems..

  5. #25
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    Re: Firefox fails to download 9.1mb file

    Quote Originally Posted by The Cog View Post
    It's a long shot, but I wonder if there is a problem with TCP window scaling. Try this to disabling scaling, then try theo download again:
    Code:
    sudo sh -c 'echo 0 > /proc/sys/net/ipv4/tcp_window_scaling'
    You can re-enable scaling with
    Code:
    sudo sh -c 'echo 1 > /proc/sys/net/ipv4/tcp_window_scaling'


    This works for me


    Thanks.

    and the whole application now runs too... & if I flip back to "reenable scaling" if goes back to stalling & failing..

    so this is a solution for me... many thanks TheCog


    just wondering what this scaling is and what other effects there will be if I leave it disabled?
    Can anyone enlighten me, I will google it too.
    Would you think this is disabled on win7? or is it only ubuntu anyway (I like to know what I've fiddled with)

    but very pleased I can now run the appl'n again

  6. #26
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    Re: Firefox fails to download 9.1mb file

    Ooh! Bingo! It really was a wild guess.

    From http://en.wikipedia.org/wiki/TCP_window_scale_option : To maintain the changes after a restart, include the line
    Code:
    net.ipv4.tcp_window_scaling=0
    in /etc/sysctl.conf.

    I think that leaving it disabled will probably not have a noticeable effect. It is supposed to increase the amount of data the far end can send before it has to stop and wait for a confirmation that it has been received. I think I read that some routers have trouble with TCP window scaling, so if you ever change your router, it would be worth trying to enable it again.
    Last edited by The Cog; August 10th, 2013 at 10:32 PM.

  7. #27
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    Re: Firefox fails to download 9.1mb file

    Quote Originally Posted by The Cog View Post
    Ooh! Bingo! It really was a wild guess.

    From http://en.wikipedia.org/wiki/TCP_window_scale_option : To maintain the changes after a restart, include the line
    Code:
    net.ipv4.tcp_window_scaling=0
    in /etc/sysctl.conf.

    I think that leaving it disabled will probably not have a noticeable effect. It is supposed to increase the amount of data the far end can send before it has to stop and wait for a confirmation that it has been received. I think I read that some routers have trouble with TCP window scaling, so if you ever change your router, it would be worth trying to enable it again.
    thanks.. I read the wiki... all a bit double dutch to me, but gathered that it seems to help T1 lines... lol... out in the sticks here I barely get 0.8mb/s broadband.. & my router is ancient (d-link dsl-g604t circa 2005?) so will probably make the change permanent after a bit more testing.

    marking SOLVED

  8. #28
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    Re: Firefox fails to download 9.1mb file

    The link works fine in all browsers today. ?
    “Start where you are. Use what you have. Do what you can".

    Ubuntu Documentation Search: Popular Pages
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  9. #29
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    Re: Firefox fails to download 9.1mb file

    Quote Originally Posted by Frogs Hair View Post
    The link works fine in all browsers today. ?
    yes the file download (& the full prorealtime app) works for me on both Firefox 23 & Chromium 28 with the scaling setting disabled. Without this (i.e scaling enabled), both browsers fail for me. So it's a solution for me. Thanks

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