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Date:      Thu, 6 May 2010 21:41:30 -0600
From:      Scott Long <scottl@samsco.org>
To:        ulf@Alameda.net
Cc:        "freebsd-scsi@freebsd.org" <freebsd-scsi@freebsd.org>, "Erich Jenkins, Fuujin Group Ltd" <erich@fuujingroup.com>, Sean Bruno <seanbru@yahoo-inc.com>
Subject:   Re: kern/146287: [ciss] ciss(4) cannot see more than one SmartArray controller
Message-ID:  <A2041F45-911E-4F4C-BA74-0B3C4BAC04DF@samsco.org>
In-Reply-To: <20100506213349.GU30353@evil.alameda.net>
References:  <20100505203116.GP30353@evil.alameda.net> <20100505204652.GQ30353@evil.alameda.net> <1273092737.2487.5.camel@localhost.localdomain> <20100506014748.GR30353@evil.alameda.net> <1273165130.2465.4.camel@localhost.localdomain> <20100506174113.GS30353@evil.alameda.net> <1273169980.2465.6.camel@localhost.localdomain> <4BE318A8.6050108@fuujingroup.com> <1273172053.2465.8.camel@localhost.localdomain> <20100506211713.GT30353@evil.alameda.net> <20100506213349.GU30353@evil.alameda.net>

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On May 6, 2010, at 3:33 PM, Ulf Zimmermann wrote:
> On Thu, May 06, 2010 at 02:17:13PM -0700, Ulf Zimmermann wrote:
>> On Thu, May 06, 2010 at 11:54:13AM -0700, Sean Bruno wrote:
>>>=20
>>>>>=20
>>>>=20
>>>> Not sure if this helps or not, but we've got about 20 of these =
machines,=20
>>>> as well as the DL580 version in production. I've seen this very =
same=20
>>>> issue on the ML series machines also. If I remember correctly, =
there=20
>>>> were two different PCI bridges used in the same production models, =
one=20
>>>> was from IBM and the other was a ServerWorks (Broadcom) chipset. =
One=20
>>>> didn't show up at all (not even when probed) and the other one was=20=

>>>> displayed. Can't remember which was which, but I know it had to do =
with=20
>>>> hot-swap PCI subsystem, and I suspect this is what you're =
experiencing.=20
>>>> We had a similar experience with MyriCom 10GE cards in an ML570 =
with a=20
>>>> hot-swap PCI option. The card wouldn't show up in slot closest to =
the=20
>>>> Mem card (can't remember if the DL380's have a riser card for ram =
or if=20
>>>> this is onboard), but it worked in the next slot over.
>>>>=20
>>>>=20
>>>> Erich M. Jenkins
>>>> Fuujin Group Limited
>>>>=20
>>>>=20
>>>> "You should never, never doubt what no one is sure about."
>>>> -- Gene Wilder
>>>>=20
>>>=20
>>> It does help a bit.
>>>=20
>>> Basically, we need an AML dump of the ACPI information from one of =
the
>>> machines that has an IBM based bridge chip.
>>>=20
>>> acpidump -dt
>>>=20
>>> sean
>>>=20
>>>=20
>>=20
>> I wonder what bridge chip is used in the DL380 g3, as far I know the =
ones
>> we have should be hotswap PCI-X. On the DL380 g4 the standard cage =
was not
>> hotswap and I think we don't have any of those.
>>=20
>> Looking at the product specs of a DL380 g3, it shows different
>> bus for slot 1 (bottom at 64-bit/133Mhz PCI-X) against slot 2+3 =
(middle
>> and top slot at 64-bit/100Mhz PCI-X).
>>=20
>> I got one DL380 g3 myself, which isn't running much right now, so I =
will
>> check out what PCI devices I can see.
>>=20
>=20
> 03:01.0 PCI bridge: IBM PCI-X to PCI-X Bridge (rev 02) (prog-if 00 =
[Normal decode])
>        Flags: bus master, 66Mhz, medium devsel, latency 64
>        Bus: primary=3D03, secondary=3D04, subordinate=3D04, =
sec-latency=3D64
>        I/O behind bridge: 00003000-00003fff
>        Memory behind bridge: f7e00000-f7efffff
>        Prefetchable memory behind bridge: =
00000000f1100000-00000000f11fffff
>        Capabilities: [80] PCI-X bridge device
>        Capabilities: [90] Power Management version 2
>=20
> Is that the same bridge chip? This comes from a DL380 g3 with hot-swap =
cage.
>=20
>=20

Yup, that's the bridge chip that we suspected from the original poster.

Scott




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