Re: [regression] unable to boot: no GEOM devices found.

On Wednesday, April 13, 2011 1:07:06 pm David Naylor wrote:
> On Tuesday 12 April 2011 22:12:55 Alexander Motin wrote:
> > David Naylor wrote:
> > > On Tuesday 12 April 2011 08:17:51 Alexander Motin wrote:
> > >> David Naylor wrote:
> > >>> I am running -current and since a few days ago (at least 2011/04/11) I
> > >>> am unable to boot.
> > >>> 
> > >>> The boot process stops when it looks to find a bootable device.  The
> > >>> prompt (when pressing '?') does not display any device and yielding 
one
> > >>> second (or more) to the kernel (by pressing '.') does not improve the
> > >>> situation.
> > >>> 
> > >>> A known working date is 2011/02/20.
> > >>> 
> > >>> I am running amd64 on a nVidia MCP51 chipset.
> > >> 
> > >> MCP51... again...
> >
> > +ata2: reiniting channel ..
> > +ata2: SATA connect time=0ms status=00000113
> > +ata2: reset tp1 mask=01 ostat0=58 ostat1=00
> > +ata2: stat0=0x50 err=0x01 lsb=0x00 msb=0x00
> > +ata2: reset tp2 stat0=50 stat1=00 devices=0x1
> > +ata2: reinit done ..
> > +unknown: FAILURE - ATA_IDENTIFY timed out LBA=0
> > 
> > As soon as all devices detected but not responding to commands, I would
> > suppose that there is something wrong with ATA interrupts. There is a
> > long chain of interrupt problems in this chipset. I have already tried
> > to debug one case where ATA wasn't generating interrupts at all.
> > Unfortunately, without success -- requests were executing, but not
> > generating interrupts, it wasn't looked like ATA driver problem.
> > 
> > What's about possible candidate to revision triggering your problem, I
> > would look on this message:
> > +pcib0: Enabling MSI window for HyperTransport slave at pci0:0:9:0
> > 
> > At least it is recent (SVN revs 219737,219740 on 2011-03-18 by jhb) and
> > it is interrupt related.
> 
> I reverted those two revs and everything works again.

Hmm, can you provide a full boot verbose dmesg?  Alternatively, can you see if 
the device at pci0:0:9:0 is a PCI-PCI bridge?

-- 
John Baldwin