On Thursday 12 February 2009 10:26:14 Stefano Avallone wrote:
> On Monday 09 February 2009 20:28:14 Johannes Engel wrote:
> > Jesse Barnes wrote:
> > > Interesting, thanks for trying to narrow it down. I don't see anything
> > > on re-review that would cause huge increases in the amount of memory
> > > used, though the additional alignment we apply in that patch will
> > > increase things somewhat, so might make the problem happen faster. Are
> > > you using UXA or EXA?
> >
> > You are probably right here, Jesse: Letting Xorg run with UXA on my
> > GM945 turns out to show a similar problem after a couple of hours or
> > similar.
> > sudo lsof | grep "drm mm object" | wc -l
> > shows the incredible number of 2407...
>
> I have a different issue, but I would also call it a memory leakage. I am
> on GM965 using KDE4 with DRI2. I tried both with debian experimental
> packages (xserver 1.5.99.901, mesa 7.3, libdrm 2.4.4+git+20090205) and with
> self- compiled stack from git master as of yesterday. The kernel is from
> airlied's drm-fixes branch up to commit
> d2f59357700487a8b944f4f7777d1e97cf5ea2ed ("drm/i915: select framebuffer
> support automatically").
>
> After a fresh boot and login into KDE4, top shows that Xorg uses 2.1% of
> memory (2 GB). Attached is what xrestop shows (xrestop_2.1_568020k, where
> 568020k is the total memory usage as shown by top). Then, I launch some
> applications and, after a couple of hours, close all of them and top shows
> that Xorg now uses 18.1% of memory. Attached is also what xrestop shows
> now.
>
> It looks like that closing a KDE application does not free memory used by
> Xorg (as shown by top). Also, switching between applications (especially
> using composite effects like present windows) causes an increase in the
> memory usage of Xorg. I have to say that I have another machine with a
> similar setup (except the kernel which is a 2.6.26 kernel) with an ATI card
> (using radeon driver) that does not show such behavior.
>
> Also, when I resume from a suspend to disk, top shows that some swap memory
> is used (while before suspending the swap memory was not used), e.g.,
> 791604k. The swap memory used seems to increase after subsequent
> suspend/resume cycles.
>
> If matters, sudo lsof | grep "drm mm object" | wc -l reports 9944...
>
> Any hint how to debug further and provide more information?
>
> thanks,
> Stefano
>
>
forgot the attachments, sorry :-)
>
>
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