Bug#595502: linux-image-2.6.32-5-mckinley: panics while loading INIT, IOMMU out of mapping resources

[dann frazier <dannf@debian.org>]

On Tue, Sep 14, 2010 at 12:48:22AM +0100, Ben Hutchings wrote:
> On Tue, 2010-09-14 at 01:19 +0200, Thibaut VARÈNE wrote:
> > Le 14 sept. 10 à 01:11, Thibaut VARÈNE a écrit :
> > 
> > > Le 14 sept. 10 à 00:09, dann frazier a écrit :
> > >
> > >> On Sat, Sep 04, 2010 at 05:38:13PM +0200, Thibaut VARÈNE wrote:
> > >>> Package: linux-image-2.6.32-5-mckinley
> > >>> Version: 2.6.32-20
> > >>> Severity: grave
> > >>> Justification: renders system unusable
> > >>>
> > >>>
> > >>> System boots fine with linux-image-2.6.32-3-mckinley 2.6.32-9.
> > >>> Panics with 2.6.32-20 with: I/O MMU @ c0000000fed01000 is out of  
> > >>> mapping
> > >>> resources
> > >>
> > >> fyi, my rx2600 boots fine on both 2.6.32-20 and 2.6.32-21.
> > >> (ROM Version 2.31)
> > >
> > >
> > > This was a zx2000, same ROM, and I was about to try a rx2600. I  
> > > guess this makes it moot ;P
> > 
> > 
> > Just thinking out loud, but given the symptoms (disk errors) and the  
> > specifics of zx2000 vs rx2600, I'm guessing the IOMMU pukes on IDE,  
> > which rx2600 doesn't use for disks...
> 
> That might be significant, since we've made the libata transition.
> Did you get a traceback for the kernel panic?

Another datapoint - also was unable to reproduce on a zx2000 here,
though mine uses contains only SCSI disks.



-- 
dann frazier