Re: 8.0-beta3 does not detect several ata channels

On Tuesday 01 September 2009 2:49:09 pm Rainer Hurling wrote:
> On 01.09.2009 19:41 (UTC+2), John Baldwin wrote:
> > On Tuesday 01 September 2009 12:47:50 pm Rainer Hurling wrote:
> >> On 01.09.2009 16:02 (UTC+2), John Baldwin wrote:
> >>> On Monday 31 August 2009 12:03:04 pm Florian Smeets wrote:
> >>>> On 8/31/09 5:54 PM, Nick Hilliard wrote:
> >>>>> Hi,
> >>>>>
> >>>>> I have a hp proliant ML115 with 6 sata ports which run in ATA mode 
(bios
> >>>>> doesn't appear to give the option to use AHCI).  On freebsd 7.x, all
> >>>>> channels are detected.  On freebsd8.0-beta3, the disks attached to the
> >>>>> first two SATA ports are not detected, although it detects the ports
> >>>>> themselves.
> >>>>>
> >>>>> I've attached a verbose dmesg from freebsd 7.1 and 8.0-beta3.
> >>>>>
> >>>>> Any ideas on what's going on here?  This seems like a nasty 
regression.
> >>>> There are 3 PRs about this problem: 128686, 132372, 137942.
> >>>>
> >>>> i386 version should recognize the disks. amd64 does when you set
> >>>> hw.pci.mcfg=0 in loader.conf.
> >>> Hmm, so an idea I had just now.. can you grab a dump of the PCI config 
> > space 
> >>> for the disk controller in the MCFG vs non-MCFG cases?  That is, find 
the 
> >>> device's address using pciconf -lv (e.g. pci0:0:30:0 or some such) and 
> > then 
> >>> run this command under both configurations and save the output:
> >>>
> >>> pciconf -r pci0:0:30:0 0:0xfc
> >>>
> >> I am not sure if your idea has something to do with my (and some other 
> >> users) problem. So excuse me, if this posting is wrong.
> >>
> >> For some month now I am only able to boot CURRENT under amd64 with 
> >> setting hw.pci.mcfg=0. Under i386 all works fine. Below I listed output 
> >> under i386 and under amd64. Perhaps you are able to get a hint?
> > 
> > Hmm, would you be able to boot with mcfg=1 on amd64 (perhaps using nfsroot 
or 
> > an mfsroot) and capture this output?  The mcfg thing only affects access 
to
> > PCI config space (what pciconf -r is displaying).  I want to be able to 
> > compare the "broken" case (amd64 mcfg=1) with a working case.
> 
> My only amd64 system is at home. Sorry, but I have no idea how to start 
> this system using nfsroot oder mfsroot.

Ok, I believe some of the other folks reporting an issue with this ATA 
controller had other disk controllers in the system so they may be able to do 
this.

-- 
John Baldwin