Re: hw_pointer error message triggered without need

[Takashi Iwai <tiwai@suse.de>]

At Thu, 23 Oct 2003 09:31:12 +0200 (CEST),
Tobias Peters wrote:
> 
> Takashi Iwai wrote:
> > At Wed, 22 Oct 2003 10:16:47 +0200,
> > Tobias Peters wrote:
> > > Besides, the error messages popping up in the console interfere visually 
> > > with the text mode interface of the sound app that I use.
> > 
> > this is likely because irq is not handled correctly when framebuffer
> > is switched.  the framebuffer is a bad source of irq blocking.
> 
> Framebuffer cannot be responsible in this case because I compiled the 
> kernel without framebuffer support and I use plain 80x25 vga text screens. 
> 
> I do switch between 2 virtual consoles sometimes, but occurence of the 
> error messages is completely uncorrelated to this switching.
 
sure, the VT-switching is not only the source of lock irq blocking...

> The sound chip is most likely the one to blame. I just ask for a more 
> graceful handling in the driver when the interupt is 1 sample too late. 

try the cvs version.  it's less strict now.
(and note that it's a "debug" message, appearing only when you compile
with debug option.)


Takashi


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