Re: Xwin 1.14.2 (64 bit) extreme memory page faulting

[Jack <ostroffjh@sbcglobal.net>]

On 2013.10.03 12:46, Erik Soderquist wrote:
> <snip>
> > I just fired up a 64-bit Ubuntu VM I had laying around, installed  
> firefox,
> > and tunneled it to cygwin64/X on my win7-64 machine. X isn't even  
> visible in
> > the task manager when I sort descending by PF delta, CPU, or  
> memory. This in
> > spite of having half a dozen tabs with content (including ads, an  
> html5
> > game, and a youtube video playing).
> >
> > Opening a couple dozen more empty tabs brought PFdelta up to the  
> ~7k range,
> > but the rate dropped back to ~0 as soon as the dust settled. Typing  
> remains
> > fully responsive, and I'm officially out of ideas.
> >
> >
> > Ryan
> 
> That is the kind of responsiveness I expect, and what other people
> I've discussed this with experience, which is why I think it is
> something unusual in my setup or environment...  Unfortunately, I'm
> currently unable to find it myself, and can reliably reproduce the
> issue even in a virgin environment.
> 
> So far, the only common factors (that I see) across each of these has
> been my Linux host, (CentOS 5.8 at present) and my various
> tabs/accounts.  However, I am at a complete loss as to even guess at
> how these could affect page faulting on the X server.
> 
> For reference: on the Linux host, when the Windows host is
> experiencing these page faults, the Linux host is reporting 20-30% CPU
> usage overall, no swap usage.

Similar, to but different from Larry's suggestion, can you install  
Firefox on CentOS using the installer from Firefox itself, and not the  
distro version?  I can imagine it could be something about flags or  
settings they used when compiling it.

Jack
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