Re: 8.0-beta3 does not detect several ata channels

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.

> Tell me if I can help in any way.
> 
> Thanks in advance,
> Rainer Hurling
> 
> 
> #pciconf -lv
> atapci1_at_pci0:0:5:0:     class=0x010185 card=0x72601462 chip=0x037f10de 
> rev=0xa2 hdr=0x00
> vendor     = 'Nvidia Corp'
>      device     = 'MCP55 SATA/RAID Controller (MCP55S)'
>      class      = mass storage
>      subclass   = ATA
> atapci2_at_pci0:0:5:1:     class=0x010185 card=0x72601462 chip=0x037f10de
> rev=0xa2 hdr=0x00
>      vendor     = 'Nvidia Corp'
>      device     = 'MCP55 SATA/RAID Controller (MCP55S)'
>      class      = mass storage
>      subclass   = ATA
> 
> 
> --- i386 Config  ----------------------------------------------------
> #sysctl hw.pci.mcfg
> hw.pci.mcfg: 1
> 
> #pciconf -r pci0:0:5:0 0:0xfc
> 037f10de 00b00007 010185a2 00800000
> 0000c481 0000c401 0000c081 0000c001
> 0000bc01 f9ef9000 00000000 72601462
> 00000000 00000044 00000000 01030117
> 72601462 0002b001 00000000 00000000
> 0008680f 00000000 00000000 00000000
> 00000000 00000c41 42060f00 00000000
> 40c4782c 00001001 00001001 00200020
> c0000000 0f498000 a0200000 7c750000
> a0100000 00000000 10060006 0101037f
> 19000a12 00000000 00000000 02003133
> 0084cc05 00000000 00000000 00000000
> 00000000 00000000 000a000a a8020008
> 0c02000a 00000042 00000000 e7c00001
> 0c02000a 00000042 00000000 e030000f
> 00000000 00000000 000c0010 00000000
> 
> #pciconf -r pci0:0:5:1 0:0xfc
> 037f10de 00b00007 010185a2 00800000
> 0000b881 0000b801 0000b481 0000b401
> 0000b081 f9ef8000 00000000 72601462
> 00000000 00000044 00000000 01030214
> 72601462 0002b001 00000000 00000000
> 0008680f 00000000 00000000 00000000
> 00000000 00000c41 42060f00 00000000
> 40c4782c 00001001 00001001 00200020
> c0000000 ffefffff 0f1f0000 f7ff7f3b
> 3fb70000 00000000 10060006 0101037f
> 00000a12 00000000 00000000 02003133
> 0084cc05 00000000 00000000 00000000
> 00000000 00000000 000a000a a8020008
> 0602000a 00000042 00000000 0050000f
> 0602000a 00000042 00000000 0040000f
> 00000000 00000000 000c0010 00000000
> 
> 
> --- amd64 Config  ---------------------------------------------------
> #sysctl hw.pci.mcfg
> hw.pci.mcfg: 0
> 
> #pciconf -r pci0:0:5:0 0:0xfc
> 037f10de 00b00007 010185a2 00800000
> 0000c481 0000c401 0000c081 0000c001
> 0000bc01 f9ef9000 00000000 72601462
> 00000000 00000044 00000000 01030117
> 72601462 0002b001 00000000 00000000
> 0008680f 00000000 00000000 00000000
> 00000000 00000c41 42060f00 00000000
> 40c4782c 00001001 00001001 00200020
> c0000000 03562000 80080000 41403000
> b0080000 00000000 10060006 0101037f
> 18000a12 00000000 00000000 02003133
> 0084cc05 00000000 00000000 00000000
> 00000000 00000000 000a000a a8020008
> 0c02000a 00000042 00000000 e7c00001
> 0c02000a 00000042 00000000 e030000f
> 00000000 00000000 000c0010 00000000
> 
> #pciconf -r pci0:0:5:1 0:0xfc
> 037f10de 00b00007 010185a2 00800000
> 0000b881 0000b801 0000b481 0000b401
> 0000b081 f9ef8000 00000000 72601462
> 00000000 00000044 00000000 01030214
> 72601462 0002b001 00000000 00000000
> 0008680f 00000000 00000000 00000000
> 00000000 00000c41 42060f00 00000000
> 40c4782c 00001001 00001001 00200020
> 00000000 ffefffff 0f1f0000 f7ff7f3b
> 3fb70000 00000000 10060006 0101037f
> 00000a12 00000000 00000000 02003133
> 0084cc05 00000000 00000000 00000000
> 00000000 00000000 000a000a a8020008
> 0602000a 00000042 00000000 0050000f
> 0602000a 00000042 00000000 0040000f
> 00000000 00000000 000c0010 00000000
> 



-- 
John Baldwin