Date: Thu, 19 Feb 2015 21:12:06 -0800 From: Kevin Oberman <rkoberman@gmail.com> To: "Mikhail T." <mi+thun@aldan.algebra.com> Cc: FreeBSD GNOME Users <gnome@freebsd.org> Subject: Re: High CPU usage by Firefox after screensaver kicks in Message-ID: <CAN6yY1sKNW8CDOVAgUUXdizR6hKTynAFmizXHWoh_yx0vBjc=w@mail.gmail.com> In-Reply-To: <54E6BC17.1080508@aldan.algebra.com> References: <54E6BC17.1080508@aldan.algebra.com>
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On Thu, Feb 19, 2015 at 8:46 PM, Mikhail T. <mi+thun@aldan.algebra.com> wrote: > Hello! > > I'm observing a strange situation on this newly rebuilt 10.1-STABLE/i386 > box. The running Firefox has a single window with two tabs open. It is > perfectly idle and consuming no CPU. > > However, when the screensaver kicks in 3 minutes later, the CPU usage by > firefox climbs all the way up -- way past the screen-saver and the Xorg > process: > > PID USERNAME THR PRI NICE SIZE RES STATE TIME WCPU > COMMAND > 75533 me 43 40 0 453M 356M uwait 186:01 82.57% > firefox > 77018 me 1 54 10 54772K 33876K RUN 3:13 8.06% > carousel > 13854 root 1 41 0 90756K 22392K select 10:22 1.95% Xorg > > As soon as I touch a mouse and the screen-saver disappears, firefox > calms down and the computer is 100% idle again. It is as if firefox is > programmed to do something CPU-intensive (protein-folding? SETI?) as > soon as the computer's screen-saver turns on. > > Has anyone else seen this? What can be causing it? Thanks! > > -mi > Just tried on my system running a recent 10-stable and firefox 35.0.1. No significant change in firefox CPU use. -- Kevin Oberman, Network Engineer, Retired E-mail: rkoberman@gmail.com
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