On Thursday 26 May 2005 19:56, Lee Elliott wrote: > On Thursday 26 May 2005 02:50, Geoff Reidy wrote: > > Lee Elliott wrote: > > > I'm having a strange problem that may be linked to this. > > > > > > Now when I start at KSFO, looking forward, I'm getting < > > > 1fps. Same with the heli & chase views. If I switch to > > > the tower it's the same until I start zooming in. At > > > around 15 deg fov the frame rate jumps up to around 25-30 > > > fps. Switch back to the chase view and it's back down to > > > < 1 fps. > > > > > > Incidentally, the a/c I'm checking with has slowly > > > revolving props so I can see the changes in frame rate > > > very clearly. > > > > > > Anyway, back to the chase view and rotate the view around > > > using shift and the num-pad. Shift-9 is fine - > 20 fps, > > > shift-6 < 1 fps, shift-3 > 20 fps. From 2 through to 8 > > > are all < 1 fps. > > > > > > Try KJFK. Here only one view gives problems (can't > > > remember exactly which one now though). It's also > > > apparent while using the mouse to change the view. > > > > > > Back to KSFO, tower view and try a take off - > 20 fps. > > > Try chase view and < 1 fps until just after the last of > > > the white blocks on the runway (sorry, don't know their > > > proper name) when it jumps to > 20 fps. > > > > > > It'll also happen while I'm flying - I flew out over > > > downtown SFO and was heading back to KSFO at > 20 fps but > > > then it dropped back down to < 1fps. > > > > > > I'm guessing that it's due to a scenery or random object > > > problem, as it also happened at KJFK where there're no > > > custom scenery objects, but I can't identify what it can > > > be. > > > > > > Any ideas anyone? FG is pretty unusable for me atm. > > > > > > FWIW, glxgears gives > 3900 fps here. > > > > > > LeeE > > > > I get this problem also with any of the Nvidia Linux 7xxx > > drivers. Other programs like torcs still run fine, only fgfs > > seems to be affected. > > > > I used to get 30 to 40 fps at KSFO. If I look down at the > > cockpit (still at KSFO) or up at the sky or I look to the > > right more than about 15 degrees or to the left at about 90 > > degrees it runs at normal speed. Look straight ahead and I > > get about 1 frame every five seconds. Same result at KEMT. > > > > Have looked through the nvidia forums but haven't seen > > anyone complain of problems like this. > > > > Geoff > > Thanks for that Geoff. I've already got a couple of older > drivers and I believe that all the old drivers can still be > downloaded from the archive at nVidia. > > I'll give it a go here and report back. > > LeeE
I have three version here 7174, 7167 & 6629. Both of the 7nnn exhibit the same problem and 6629 won't compile here. Drat! Which kernel version are you using? I'm on 2.6.11 here. LeeE _______________________________________________ Flightgear-devel mailing list Flightgear-devel@flightgear.org http://mail.flightgear.org/mailman/listinfo/flightgear-devel 2f585eeea02e2c79d7b1d8c4963bae2d
