> * De: "David W. Chapman Jr." <[EMAIL PROTECTED]> [ Data: 2002-11-22 ]
> [ Subjecte: Re: Lots of swapping from 'kldload acpi' ]
> > On Fri, Nov 22, 2002 at 11:56:29AM -0800, Kris Kennaway wrote:
> > > I tried to kldload acpi on a system that has been running for about 3
> > > days, and the kldload process has been sitting there swapping for
> > > about an hour now. Breaking into DDB shows that
> > > acpi_alloc_wakeup_handler() is trying to contigmalloc(), and this is
> > > swapping around presumably trying to find enough space. The kldload
> > > process is unkillable from userland because it's working in the
> > > kernel.
> > >
> > > Can something be done to guard against this?
> >
> > From what I was told you can't kldload acpi after boot or that you
> > shouldn't.
>
> It might make sense to (once we go to user-space) prevent kldloading
> anything that calls contigmalloc().
The ubsec module calls contigmalloc (via the bus_dma routines) and quickly
aborts when it can't get the memory. Something else must be going on in
acpi.
Sam
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