RE: L4Re/Fiasco IO memory map.
Daniel Waddington <[email protected]>
| Newsgroups | gmane.comp.micro-kernel.l4.devel |
|---|---|
| Organization | Samsung SISA |
| Message-ID | <[email protected]> |
Thanks Adam. OK - I can confirm I am stupid ;) I had not added the offset in the page. Apparently writing to some random piece of IO memory is not good ;-) Fixed. Daniel > -----Original Message----- > From: [email protected] [mailto:l4-hackers- > [email protected]] On Behalf Of Adam Lackorzynski > Sent: Wednesday, August 15, 2012 4:31 AM > To: [email protected] > Subject: Re: L4Re/Fiasco IO memory map. > > Hi Daniel, > > On Tue Aug 14, 2012 at 14:12:28 -0700, Daniel Waddington wrote: > > I have a SATA controller card. When I try to map in the IO memory > > from the PCI BAR regs an NMI is generated - and the mapping doesn't > > seemed to have worked (fully?). What might generate this NMI? > > > > The same platform/device works fine in Linux. > > Strange. Does that happen right in the moment when the mapping is done or > after that? Maybe some triggered MSI is the reason for an NMI but that's > just a (silly) thought. I assume you did map it uncached etc? > > > > Adam > -- > Adam [email protected] > Lackorzynski http://os.inf.tu-dresden.de/~adam/ > > _______________________________________________ > l4-hackers mailing list > [email protected] > http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers