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Re: Re: Plot3d causes crash with radeon driver and

  • To: mathgroup at smc.vnet.net
  • Subject: [mg105451] Re: [mg105164] Re: Plot3d causes crash with radeon driver and
  • From: Nils Kanning <nils at kanning.de>
  • Date: Thu, 3 Dec 2009 06:14:31 -0500 (EST)
  • References: <hcbi3r$js0$1@smc.vnet.net> <hd6bdg$og6$1@smc.vnet.net>

On Mon, 2009-11-23 at 06:50 -0500, Garrett wrote:
> On Nov 8, 6:52 am, Pavel Pokorny <pavel.pokora.poko... at gmail.com>
> wrote:
> > On Oct 29, 4:00 am, Nils Kanning <n... at kanning.de> wrote:
> >
> >
> >
> > > Hi,
> > > I'm using Mathematica 7.0.1 on Debian testing with the open source
> > > radeon driver (xserver-xorg-video-radeon 1:6.12.3-1).
> >
> > > Every time I use Plot3d, I get a blank image first. If I then rotate =
the
> > > plot, I see the 3d surface. After stopping the rotation Mathematica
> > > crashes and I get the following output:
> > >failedtocreatepixmap
> > >failedtocreatepixmap
> > >failedtocreatepixmap
> > > Mathematica: radeon_lock.c:65: radeonGetLock: Assertion `drawable !((=
void=
> >  *)0)
> >
> > > Is there someone else with this problem?
> >
> > > The only (partial) solution I found so far is to start Mathematica us=
ing
> > > the "-mesa" option which makes rotating 3d plots rather slow.
> >
> > > Best regards
> > > Nils
> >
> > The same for me running Mathematica 7.0.1 in Ubuntu 9.10 64-bit (AMD).
> > Running
> >    mathematica -mesa
> > seems to work fine and I have not noticed any slow-down.
> >
> > Pavel
>
> I see this on Fedora 12.  I'm using a Radeon HD 2600XT (which uses the
> RV630).  As far as I know, 3D stuff on this chip set is still
> experimental & unfinished within the open source drivers, so I guess
> I'm not surprised to see a problem like this.  I didn't have this
> problem on Fedora 11, though... kind of disappointing that the upgrade
> broke something this important!
>
> I've tried mathematica -mesa and that seems to work okay, but
> sometimes the 3D drawing "escapes" the mathematica window and hovers
> on its own above the rest of my windows.  Very strange.
>
> What other hardware are people seeing this on?
>
> -gm
>

The crash seems to be related to
http://bugs.freedesktop.org/show_bug.cgi?id=22851 and there is also a
fix for this bug. So hopefully with the next Mesa release this fix also
arrives in Debian, Ubuntu and so forth.

Nils



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