On 01/01/18 15:07, George N. White III wrote:
On 1 January 2018 at 09:27, Fred Smith <fre...@fcshome.stoneham.ma.us <mailto:fre...@fcshome.stoneham.ma.us>> wrote:

    On Mon, Jan 01, 2018 at 12:00:59PM +0000, Terry Barnaby wrote:
    > Is anyone else seeing issues with Firefox freezing up for 30secs or
    > more when web pages are opened in TABS ?


I had problems with Firefox freezes (very long delays responding to any mouse click) on several systems (linux and macOS).  Removing the Mr. Robot add-on
(https://www.engadget.com/2017/12/16/firefox-mr-robot-extension/) seems
to have restored normal operation.

    > Since the latest Firefox 57 this is happening a lot for me (every 10
    > mins or so). Seems to lockup while downloading the page. You can
    > still operate Firefox by clicking on menu's/Tab's etc, but no tab
    > windows have thier web content updated. Normally the new tabs
    > content are blank, but sometimes a small amount of the web page is
    > rendered before the freeze. No obvious high CPU usage when it
    > happens. Its as if the network has stopped, but other applications
    > such as google-chrome are still working.
    >
    > This is with Fedora27, KDE Plasma and with an NFS mounted home
    directory.

    I see something similar with FF57 on Centos-7. it tends to go on for
    much longer than 30 seconds, and the HD activity light is pegged ON
    for the duration. I'm guessing it may be a swap storm, but I don't see
    unusually  high memory usage in top.

    --
    ---- Fred Smith -- fre...@fcshome.stoneham.ma.us
    <mailto:fre...@fcshome.stoneham.ma.us> -----------------------------
                            The Lord is like a strong tower.
                 Those who do what is right can run to him for safety.
    --------------------------- Proverbs 18:10 (niv)
    -----------------------------
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--
George N. White III <aa...@chebucto.ns.ca <mailto:aa...@chebucto.ns.ca>>
Head of St. Margarets Bay, Nova Scotia


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Well, in my case it is also often longer than 30 secs, not sure how long as I normally go and do something else while its loading the pages. I don't think it is disk related, no obvious activity (SSD disk and 16 G of RAM). No addons and reset all Firefox settings etc. Internet access here is 80/20 Mbps FTTP and seems solid so I don't think it is Internet connection related.

But the problem does seems to be network access related, maybe multiple thread locking issues in Firefox ?

Terry

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