Okay... What type of information do you need? Matt -- Matthew D. Dharm Senior Software Designer Momentum Computer Inc. 1815 Aston Ave. Suite 107 (760) 431-8663 X-115 Carlsbad, CA 92008-7310 Momentum Works For You www.momenco.com > -----Original Message----- > From: Maciej W. Rozycki [mailto:macro@ds2.pg.gda.pl] > Sent: Wednesday, September 04, 2002 10:03 AM > To: Matthew Dharm > Cc: Dominic Sweetman; Jun Sun; Linux-MIPS > Subject: Re: Interrupt handling.... > > > On Wed, 4 Sep 2002, Matthew Dharm wrote: > > > And this is the heart of the problem. I set up an > ioremap, so I thought > > that the TLB exception handler would fix this for me. It > looks like that > > code won't do anything if the exception was generated > from an interrupt... > > Or am I reading it wrong? I'm not an expert on the TLB code... > > The kernel memory is unswappable so a PTE is always > available. If the > TLB refill handler cannot fetch it for some reason, then > there is a bug > somewhere. It might be helpful if you narrowed it down a > bit -- refills > work correctly for modules, including interrupt handlers, > and they reside > in KSEG2. > > -- > + Maciej W. Rozycki, Technical University of Gdansk, Poland + > +--------------------------------------------------------------+ > + e-mail: macro@ds2.pg.gda.pl, PGP key available + >