Communicator Crashes X II

Geert Uytterhoeven Geert.Uytterhoeven at
Tue Aug 31 02:23:48 EST 1999

On Mon, 30 Aug 1999, Takashi Oe wrote:
> On Mon, 30 Aug 1999, Kevin Puetz wrote:
> > A serial port buffer issue is behind the 'FB. overflow ####' crash, also 
> > often exposed during VT changes while PPP is running.
> I think this crash will occur less often, once serial DMA support is
> present.  I've just started writing the necessary DMA code, and I hope to
> get something working within a few weeks for the receiving side.
> > This could be related. Or it might not. I really don't know the subsystem
> > well enough to say.
> I don't really know either, but kernel may be spending too much time in
> the interrupt handling section of the serial driver.

Perhaps the kernel spends too much time in the interrupt handling section of
the IDE driver? We saw similar things on m68k.



Geert Uytterhoeven                     Geert.Uytterhoeven at
Wavelets, Linux/{m68k~Amiga,PPC~CHRP}
Department of Computer Science -- Katholieke Universiteit Leuven -- Belgium

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