Re: BIO Usage Error or Conflicting Designs

[Jens Axboe]

On Sat, Jan 12 2002, Andre Hedrick wrote:
> 
> Jens,
> 
> Below is a single sector read using ACB.
> If I do not use the code inside "#ifdef USEBIO" and run UP/SMP but no
> highmem, it runs and works like a charm.  It is also 100% unchanged code
> from what is in 2.4 patches.  The attached oops is generate under
> SMP without highmem and running the USEBIO code.
> 
> CONFIG_NOHIGHMEM=y

Is this with the highmem debug stuff enabled? That's the only way I can
see this BUG triggering, otherwise q->bounce_pfn _cannot_ be smaller
than the max_pfn.

-- 
Jens Axboe