Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 2 Nov 1997 09:07:52 +0100
From:      Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>
To:        Mike Smith <mike@smith.net.au>
Cc:        Christoph Kukulies <kuku@gilberto.physik.RWTH-Aachen.DE>, freebsd-hackers@freefall.FreeBSD.org
Subject:   Re: still mmap and my driver
Message-ID:  <19971102090752.08503@gil.physik.rwth-aachen.de>
In-Reply-To: <199711020509.PAA00322@word.smith.net.au>; from Mike Smith on Sun, Nov 02, 1997 at 03:39:24PM %2B1030
References:  <199711011856.TAA01870@gil.physik.rwth-aachen.de> <199711020509.PAA00322@word.smith.net.au>

next in thread | previous in thread | raw e-mail | index | archive | help
On Sun, Nov 02, 1997 at 03:39:24PM +1030, Mike Smith wrote:
> > 
> > Things are still weird with my driver ISA memory mapping.
> > I noticed that the space I need to map is 16386 bytes
> > from C8000 on. I changed isa_device id->id_msize to have 16386.
> > And I have an iosiz 0x4000 in my config file now.
> > 
> > I still get a kernel panic, when I access 0xca000 in the driver.
> > 
> > Did I still overlook anything?
> 
> The details of the "panic".  Was it really a panic?  Do you perhaps 
> mean that it was a page fault (probably good ol' trap 12)?

Sure. I mean page fault because it cannot access 0xca000.
It happens during the driver probe phase in the portion of code
I wrote. It's quite obvious that it's because the page is not 
available.

> 
> mike
> 

-- 
--Chris Christoph P. U. Kukulies kuku@gil.physik.rwth-aachen.de



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?19971102090752.08503>