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<H1>[Mageia-dev] GNOME llvmpipe rendering in gnome-session-3.6.0-2.mga3</H1>
<B>andre999</B>
<A HREF="mailto:mageia-dev%40mageia.org?Subject=Re%3A%20%5BMageia-dev%5D%20GNOME%20llvmpipe%20rendering%20in%0A%09gnome-session-3.6.0-2.mga3&In-Reply-To=%3C5073A34A.8070806%40laposte.net%3E"
TITLE="[Mageia-dev] GNOME llvmpipe rendering in gnome-session-3.6.0-2.mga3">andre999mga at laposte.net
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<I>Tue Oct 9 06:08:42 CEST 2012</I>
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<PRE>zago a écrit :
><i> On Mon, Oct 08, 2012 at 12:32:16PM -0400, andre999 wrote:
</I>>><i> Olav Vitters a écrit :
</I>>>><i> On Mon, Oct 08, 2012 at 02:32:24PM +0200, ovitters wrote:
</I>>>>><i> Name : gnome-session Relocations: (not relocatable)
</I>>>>><i> Version : 3.6.0 Vendor: Mageia.Org
</I>>>>><i> Release : 2.mga3 Build Date: Mon Oct 8 14:26:33 2012
</I>>>><i>
</I>>>>><i> ovitters <ovitters> 3.6.0-2.mga3:
</I>>>>><i> + Revision: 303504
</I>>>>><i> - add patch to unblacklist llvmpipe
</I>>>><i>
</I>>>><i> I've unblacklisted llvmpipe like Fedora has done for a few releases. In
</I>>>><i> some cases I noticed my normal driver not working (reason unknown), so
</I>>>><i> in case GNOME is sometimes slow, check if it isn't rendering using
</I>>>><i> llvmpipe.
</I>>>><i>
</I>>><i> On my system, running mga2, unblacklisting llvmpipe (so as to use
</I>>><i> regular gnome3, instead of classic/fallback mode) makes all display
</I>>><i> in regular gnome3 run extremely slow.
</I>
This includes the virtual console, or scrolling in gedit, neither of
which has any need for accelerated display.
>><i> It must be that llvmpipe is used for all display, even when
</I>>><i> acceleration isn't indicated.
</I>><i>
</I>><i> Hmm, that is not good. I'll test for a few days, otherwise I'll revert.
</I>><i>
</I>><i> What is reported in System Settings → Details under Graphics? llvmpipe
</I>><i> or something else?
</I>
It says
"Carte graphique Gallium 0.4 on llvmpipe (LLVM 0x300)"
Strangely enough, I have now uninstalled llvmpipe and am running gnome3
in fallback/classic mode.
But it said the same thing before uninstalling.
I guess that the message is only set/reset under regular gnome.
I don't think classic mode was slow with llvmpipe installed, but
uninstalled it since llvmpipe was in the libllvm-devel package (version
3.0 on mga2), which is huge (1 G in size).
The equivalent package on fedora is apparently llvm-devel.
(I uninstalled it to leave more space on /.)
><i>
</I>>><i> BTW, regular gnome3 might well be called "tablet mode". A lot of
</I>>><i> extensions have been developped to revert to a display more like
</I>>><i> gnome2.
</I>><i>
</I>><i> I am not using a tablet and suggest you first try it on a tablet.
</I>><i>
</I>My wife has a tablet-like android computer. The default regular gnome3
has the same appearance (and awkwardness to quickly access applications).
Sorry, but don't have access to a tablet powerful enough to run gnome3.
I looked at a number of extensions, and it was surprising how many were
oriented to bringing back a more gnome2-like (and/or less tablet-like)
appearance.
So there are already solutions for most of the appearance problems.
(And if necessary, I'll modify some to regain a convenient environment.)
I'm surprised at the performance problems of llvmpipe. Although my cpu
is 32-bit and 64-bit is recommended, it does have the recommended sse2
function.
See <A HREF="http://www.mesa3d.org/llvmpipe.html">http://www.mesa3d.org/llvmpipe.html</A>
(It has taken me ages to get gnome3 -- classic -- in a usable state.
Next to regain access to svn.)
--
André
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