From mboxrd@z Thu Jan 1 00:00:00 1970 Subject: Re: multiple separate pci bridges ... From: Michel =?ISO-8859-1?Q?D=E4nzer?= To: Sven Luther Cc: linuxppc-dev list In-Reply-To: <20040118222053.GA11651@iliana> References: <20040118144412.GA6897@iliana> <1074443601.9704.164.camel@thor.asgaard.local> <20040118172838.GA8785@iliana> <1074450283.9700.200.camel@thor.asgaard.local> <20040118222053.GA11651@iliana> Content-Type: text/plain; charset=UTF-8 Message-Id: <1074468804.9700.219.camel@thor.asgaard.local> Mime-Version: 1.0 Date: Mon, 19 Jan 2004 00:33:24 +0100 Sender: owner-linuxppc-dev@lists.linuxppc.org List-Id: On Sun, 2004-01-18 at 23:20, Sven Luther wrote: > On Sun, Jan 18, 2004 at 07:24:44PM +0100, Michel Dänzer wrote: > > On Sun, 2004-01-18 at 18:28, Sven Luther wrote: > > > On Sun, Jan 18, 2004 at 05:33:21PM +0100, Michel Dänzer wrote: > > > > On Sun, 2004-01-18 at 15:44, Sven Luther wrote: > > > > > > > > > > The freeze happens when i first launch glxinfo, or when i first start > > > > > moving a window around (using a debian/unstable default gnome desktop). > > > > > I don't remember well, but i think it would also freeze when let running > > > > > for a time, but i am not sure. > > > > It would be quite interesting to know, see below. > > But then, maybe it has something to do with the GL screensaver or > something such. Don't run them, then? *shrug* > Altough this problem doesn't occur for the Radeon 7500 on the same board. I suspect that's more luck than anything else at this point... > I believe it may be triggered by some problem which is present in > the R200 code path, and which is present in the R100 software T&L (since > i think the 7000 and 7200 lack a T&L engine). The 7200 has one, and the 2D acceleration code (which moves windows around) doesn't have any core specific paths because the 2D engines are mostly identical. > > It might also occur when the ring wraps around; whether or not it also > > happens when the server is idling would give a hint about this, or even > > better instrumenting the wraparound handling code in the DRM. > > Ok, i will look into this and do some experiments. What is the size of > the ring anyway ? 4K or something such ? daenzer@thor|0:29:29> grep 'ring buffer' /var/log/XFree86.0.log (II) RADEON(0): Using 1 MB for the ring buffer -- Earthling Michel Dänzer | Debian (powerpc), X and DRI developer Libre software enthusiast | http://svcs.affero.net/rm.php?r=daenzer ** Sent via the linuxppc-dev mail list. See http://lists.linuxppc.org/