RT, When deploying, target screen fills with hex (?) codes and target becomes unresponsive.

When I try to deploy a realtime VI the target freezes and the target screen shows a bunch of unmeaningful hex codes. This does not happen all the time.
When I step into the VI the problems occur the first time the timed-loop tries to run.
Any thoughts?

I got again a total system freeze today when I wanted to launch firefox using only the openbox menu, without wbar running.
So I decided to try now the 'nouveau.noaccel=1' kernel command line parameter, and to use again wbar for my frequently used applis.
In the Xorg log, the differences are:
without 'nouveau.noaccel=1'
[ 30.761] (II) UnloadModule: "nv"
[ 30.761] (II) Unloading nv
[ 30.761] (--) Depth 24 pixmap format is 32 bpp
[ 30.762] (II) NOUVEAU(0): Opened GPU channel 0
[ 30.765] (II) NOUVEAU(0): [DRI2] Setup complete
[ 30.765] (II) NOUVEAU(0): [DRI2] DRI driver: nouveau
[ 30.765] (II) NOUVEAU(0): [DRI2] VDPAU driver: nouveau
[ 30.776] (II) EXA(0): Driver allocated offscreen pixmaps
[ 30.777] (II) EXA(0): Driver registered support for the following operations:
[ 30.777] (II) Solid
[ 30.777] (II) Copy
[ 30.777] (II) Composite (RENDER acceleration)
[ 30.777] (II) UploadToScreen
[ 30.777] (II) DownloadFromScreen
[ 30.777] (==) NOUVEAU(0): Backing store disabled
[ 30.777] (==) NOUVEAU(0): Silken mouse enabled
with 'nouveau.noaccel=1'
[ 1191.621] (II) UnloadModule: "nv"
[ 1191.621] (II) Unloading nv
[ 1191.621] (--) Depth 24 pixmap format is 32 bpp
[ 1191.621] (EE) NOUVEAU(0): Error creating GPU channel: -19
[ 1191.621] (EE) NOUVEAU(0): Error initialising acceleration. Falling back to NoAccel
[ 1191.621] (==) NOUVEAU(0): Backing store disabled
[ 1191.621] (==) NOUVEAU(0): Silken mouse enabled
[ 1191.621] (==) NOUVEAU(0): DPMS enabled
So now 3D acceleration is disabled.
I will see now if the system is stable enough for my daily usage and gives satisfactory performances.
I am almost sure that the mesa nouveau dri driver is the cause of the freezes.
Last edited by berbae (2013-03-27 10:07:42)

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RT, When deploying, target screen fills with hex (?) codes and target becomes unresponsive.

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