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I installed BBP V0.90.93 today on an XP Pro machine. It has been running a playout system for some weeks and nothing else. No problems.
The machine has an Intel Q9650 Core 2 Quad 3GHz CPU and 4 Gig of RAM.
After the install of BBP today I had to some time to give it a run tonight. During the testing/playing the BBP displays all freeze for about a second and then continue, the audio keeps playing. Thinking it may have something to do with the playout system being on the same machine I connected another playout machine to the Line In of the BBP machine and tried that. Same problem, the BBP displays would intermittently freeze for about 1 second but again the audio just kept coming through without any interruptions.
I checked the performace of the CPU and it showed about 3% load on Cores 2 and 3 with about 0.5% load on Cores 0 and 1.
Any suggestion of what might be causing this?
Previously I had run BBP on a P4 3.0GHz machine and never experienced this.
Thanks,
Scottmight be but probably isn’t DPC latency, or the audio would probably have cut out too. but that could be checked.
it could be the CPU switching speeds, see if you can disable any power saving modes etc in the GPU. make sure you have the latest GPU drivers directly from the manufacturer NOT the oem (in other words if the GPU is by Intel and you got your computer from Dell, get the driver from Intel), etc.
what also could be happening is some process is running that does something for 1 second every now & then with a much higher priority than Breakaway’s GUI. see which processed are using CPU when it happens. does the CPU use spike at all when it happens?
JesseG thanks for the suggestions. I’ll pass the one about the DPC latency onto our IT guys as I don’t even know what DPC latency is. 😕
I just checked the GPU and it is an Nvidia 8800GTX 768MB but on checking the driver it is not their current driver. I’ll get them to update it.
I’ll also check what other processes are running when it happens as this machine has Axia drivers on it to allow it to connect into the main audio IP network so it could be something related to that.
Should there be two Breakaway Broadcast instances in the Task Manager? There were, one instance was using the 4% which was shared between Core 2 and 3 and the other instance was using about 1% shared between Cores 0 and 1.
Scott
Yes, two processes. One for the audio engine, and one for the GUI. That’s how the GUI is freezing, but the audio engine is running fine. The audio engine is running with realtime priority, and the GUI isn’t.
It’s probably my highly inefficient saving of INI files. Let me guess, the freeze happens 10 seconds after you let go of a control, and then doesn’t happen again if you don’t touch the guy? 🙂
I never saw this to be a problem in BBP though since there are relatively few parameters. In Live, on the other hand (with all the EQ parameters), it was a real issue for a couple of versions, but I believe I already addressed it for 0.90.03.
///Leif
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