From: Nils Kanning on 3 Dec 2009 06:19 On Mon, 2009-11-23 at 06:50 -0500, Garrett wrote: > On Nov 8, 6:52 am, Pavel Pokorny <pavel.pokora.poko...(a)gmail.com> > wrote: > > On Oct 29, 4:00 am, Nils Kanning <n...(a)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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