Date: Tue, 1 Sep 2009 15:05:31 -0400 From: John Baldwin <jhb@freebsd.org> To: Rainer Hurling <rhurlin@gwdg.de> Cc: freebsd-current@freebsd.org Subject: Re: 8.0-beta3 does not detect several ata channels Message-ID: <200909011505.32243.jhb@freebsd.org> In-Reply-To: <4A9D6CA5.1040409@gwdg.de> References: <4A9BF23F.6070801@netability.ie> <200909011341.26192.jhb@freebsd.org> <4A9D6CA5.1040409@gwdg.de>
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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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