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Bug#677470: xserver-xorg: X server eats CPU when there is animated icons in [plasma]tray



On Fri, Oct 25, 2013 at 14:03:59 +0200, Petter Reinholdtsen wrote:

> 
> Control: unarchive -1
> Control: found -1 1:7.7+3~deb7u1
> 
> Reopening this bug as the problem do not seem to be related to the
> non-free driver at all.  I ran into this problem with a NVIDIA
> Corporation GF119 [Quadro NVS 310] (rev a1) card and using the free X
> drivers (using the nouveau kernel module).
> 
> I came across
> <URL: http://lists.x.org/archives/xorg-devel/2012-November/034555.html >
> reporting that the problem also affect Intel cards, and that the
> underlying problem is a resource leak slowing down GetXIDRange().  The
> post contain a patch adding more buckets in the hashing system used by
> GetXIDRange() to speed up the process.  It seem like a useful
> workaround, but not really a proper fix.  But perhaps the patch could be
> included in Debian anyway, to reduce the problem?
> 
> I also came across
> <URL: https://bugs.freedesktop.org/show_bug.cgi?id=49416 >, which report
> that a fix is to upgrade Qt, leading me to suspect the underlying
> problem is a leak caused by KDE using Qt.
> 
> Reading these reports, I suspect my problem is the fact that I got psi
> running, with an animated icon in the panel, causing a X resource leak
> because of a bug in Qt.  But I have not found any indication about
> exactly what the problem with Qt is.  Perhaps this bug should be
> reassigned to Qt (the libqtcore4 version 4:4.8.2+dfsg-11 package)?
> 
> Sune Vourela suggested on #debian-devl that the problem might be the one
> fixed by this KDE commit
> <URL: https://projects.kde.org/projects/kde/kde-workspace/repository/revisions/ec8e405ca447ba5bc5a9f6a2a12e2fa90412a0d4 >.
> If so, perhaps better to reassign it to KDE (the plasma-desktop version
> 4:4.8.4-6 package)?
> 
Or you could have left this bug alone, since you already know what
you're hitting is a fixed kde bug...

Cheers,
Julien

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