8.0-beta3 does not detect several ata channels
John Baldwin
jhb at freebsd.org
Tue Sep 1 19:17:29 UTC 2009
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
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