Re: radeon m7 and vblank_mode lockups..

[Michel <mi...@da...>]

On Mon, 2004-11-22 at 22:26 +0000, Dave Airlie wrote:
> Hi all,
> 	I'm just wondering how much testing anyone has done on the Radeon
> M7/7500 and vblanks,=20

IIRC that was what I had when I originally wrote the wait for vblank
code, but it's changed a lot since then.

> I have an application that has been running for 2-3 days no worries=20
> with vblank_mode=3D0, but of course chews CPU and tears the screen, I=20
> recently started running it with vblank_mode=3D2 or 3 and it hangs
> in the glXSwapBuffers after a few hours, it looks like it is repeatedly
> calling the ioctl,=20

Have you tried adding some debugging output to find out why that is?

> and from /proc/interrupts I can see the card is generating interrupts...
>=20
> Restarting my app doesn't help, (as I'm using solo I get radeonfb
> timeouts...).. it looks like my card is hung but why would the vblank han=
g
> it and it is still generating interrupts...

The interrupts are probably generated by the display controller, the
accelerator may still be wedged...


--=20
Earthling Michel D=C3=A4nzer      |     Debian (powerpc), X and DRI develop=
er
Libre software enthusiast    |   http://svcs.affero.net/rm.php?r=3Ddaenzer