How to revert back glx version from 1.4 to 1.2

[Joel Feiner]

As a follow up to this, also run "free" and post the output.  That will show
you what is actually being used, versus what is in the page cache and the
buffer area.

On Wed, Aug 11, 2010 at 3:10 AM, Jeremy Huddleston <jeremyhu at freedesktop.org
> wrote:

> Yeah, my first reaction is that you're probably falling into the pit of
> misunderstanding surrounding memory usage.
>
> Run top and sort by VIRT (hit "x" to turn on highlighting the sort field,
> then hit ">" or "<" to move the sort field... you may need to hit "b" to see
> the highlighting).
>
> If you don't see anything terribly large there, then you're probably not
> hitting a memory leak and you just misunderstand the way memory is managed
> (don't worry, many people fall into this trap).
>
> On Aug 10, 2010, at 19:49, Ratin wrote:
>
> > Hi Jeremy, the problem is that none of the user mode processes (even
> > Xorg) show any significant memory usage, even after 3//4 days - but
> > the total memory used shown in top is huge and system acts very
> > sluggish. Which leads me to think its probably the kernel memory being
> > leaked. Some has indicated that its the way Linux VMM handles memory
> > (even though top shows huge amount of memory is being used, its just
> > that "page tables are cached") - but in that case why does the system
> > becomes sluggish if the purpose of caching is to increase performance?
> > It would help to know how many pages are being used by what process in
> > the kernel memory space but I am not an expert to investigate this,
> > perhaps there is a utility I can load as a kernel module which writes
> > the logs to a file..
> >
> > Ratin
> >
> > On Tue, Aug 10, 2010 at 7:04 PM, Jeremy Huddleston
> > <jeremyhu at freedesktop.org> wrote:
> >>
> >> On Aug 10, 2010, at 14:26, Ratin wrote:
> >>> There are not many apps running, Xorg client for decoded video is the
> >>> primary task. Other things include networking stack, and a simple bash
> >>> script based watchdog. I am using an ION platform, top shows 1.2 gig
> >>> of used total memory out of 1.5 gig of total available memory in only
> >>> couple of days, starting initially at 500 meg or so. After 3/4 days,
> >>> it starts using swap.
> >>
> >> Which process is consuming that memory?  That's the first step to
> figuring out what the problem is.
> >>
> >> If it is X, then you should try using the OSS drivers or an older nVidia
> driver to see if that fixes the problem.  If it's something else, you'll
> need to investigate that.
> >>
> >>
> >>
>
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-- 
- Joel
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