viafb-camera: Funky IRQ

James Cameron quozl at laptop.org
Sun Oct 21 17:04:11 EDT 2012


It's been so long.  You are correct.

On Sun, Oct 21, 2012 at 03:51:46PM -0500, Jerry Vonau wrote:
> Doesn't attaching a serial console disable the camera on a XO-1.5?
> 
> Jerry
> 
> On Mon, 2012-10-22 at 07:36 +1100, James Cameron wrote:
> > These kernel messages seem normal to me, in that they were present in
> > manufacturing tests and apparently did not affect the Sugar Record
> > activity.
> > 
> > I don't think the "ffplay -loglevel 7" did anything to change these
> > messages, since they are emitted by the kernel and not ffplay.
> > 
> > I think you may need to diagnose the freeze a bit further.  Is the
> > freeze only of your application, or is the freeze also affecting
> > keyboard, touchpad and other things?
> > 
> > If the freeze is affecting more than the application, I suggest you
> > attach a serial console and look for kernel output there.  Perhaps you
> > have found a way to panic the kernel.
> > 
> > On Sun, Oct 21, 2012 at 02:36:54AM -0700, Yioryos Asprobounitis wrote:
> > > I'm trying to use ffmpeg/ffplay (version 0.6.3-rpmfusion) on os885 to make a simple app for camera recording/viewing on XO-1.5.
> > > The problem I have is that only the first or a couple of initial frames are showing/recorded and then it freezes there.
> > > With ffplay -loglevel 7, kernel shows:
> > > 
> > > [  473.790518] viafb-camera viafb-camera: Funky IRQ 90200022
> > > ..... 
> > > [  474.257107] viafb-camera viafb-camera: Funky IRQ 90200022
> > > [  478.855311] viacam_quick_irq: 137 callbacks suppressed
> > > [  478.860016] viafb-camera viafb-camera: Funky IRQ 90200022
> > > .....  
> > > [  479.155117] viafb-camera viafb-camera: Funky IRQ 90200022
> > > [  479.322696] viafb-camera viafb-camera: Release: 329 hard, 167 thread, 162 frames
> > > [  479.338337] viafb-camera viafb-camera: No frame 0, no buf 5 overruns 5
> > > 
> > > Could not find much about "Funky IRQ" on the web 
> > > #10981 shows a similar kernel output but there is now follow up more than a year now. 
> > > Anyone has some experience with ffmpeg and via-camera on the XO-1.5?
> > > Thx
> > > 
> > > _______________________________________________
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> > > Devel at lists.laptop.org
> > > http://lists.laptop.org/listinfo/devel
> > 
> 
> 

-- 
James Cameron
http://quozl.linux.org.au/



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