"Christos D. Antonopoulos" wrote:
> Dave Higgen wrote:
> >
> > Subject basically says it. I tried the 2.2.13 patch on a 2.2.14 kernel
> > and it can be made to apply without too much fuzz.
> >
> > But the resulting kernel has a tendency to hang occasionally when you
> > hit the 'break' key.
> >
> > I supect it may be an SMP issue; I do get the "Entering kdb" message but
> > nothing after that, and looking at the code, the next thing that happens
> > after that is an interprocessor interrupt to stop the other processor.
> > And it does look as if there have been some changes involving APICs etc
> > between 2.2.13 & 2.2.14...?
> >
> > Thanks for any info or suggestions,
> >
> > Dave Higgen
>
> I have experienced the same problem (some hangs) even on a 2.2.13
> kernel. I think (I am not sure though) that this happens when break is
> pressed while there is disk I/O undergoing. Can anyone else confirm my
> observation ?
>
> Thanks
>
> Christos Antonopoulos
Yes, I went back to a 2.2.13 kernel and was still seeing occasional hangs on
that. It does seem to be related to the system being fairly active; I don't
know if specifically disk IO is the issue.
I guess that rather argues against it being anything to do with SMP changes
2.2.13 -> 2.2.14, though.
Dave Higgen
|