Re: MCA/PCI failure
4/21/02 12:07:42 PM, ben <benfoley@rcn.com> wrote:
>On Sunday 21 April 2002 02:48 am, ben wrote:
>> On Sunday 21 April 2002 02:27 am, Ina & Frank wrote:
>> > Dear reader.
>> >
>> > Sorry I forgot the subject at first.
>> >
>> > I have several IBM PC's: MCA based OR PCI based PC's, working fine with
>> > debian 2.2r2. A new one gave me this problem.
>> >
>> > The PC is a IBM 520 8641MDG. (Pentium 133MHz). The motherboard has 8 MCA
>> > slots AND 2 PCI slots. The PC is working fine with DOS and Windows NT
>> > (sorry I said that).
>> >
>> > I tried to install Debian 2.2r2 and 2.2r6 but the install fails on one
>> > point. dmesg keeps reporting that it failed to probe the PCI-bus.
>> >
>> > this is a part of the log:
>> > POSIX conformance testing by UNIFIX
>> > PCI: PCI BIOS revision 2.10 entry at 0xfd82c
>> > PCI: Using configuration type 1
>> > PCI: Probing PCI hardware
>> > PCI: Unable to handle I/O allocation for 00:40 (0200), tell <mj@ucw.cz>
>> > Micro Channel bus detected.
>> > Linux NET4.0 for Linux 2.2
>> >
>> > I told mj@ucw.cz but no reply yet.
>> >
>> > MCA slots (and adapters) are working fine.
>> > But since the RAID-controller and the ethetnetcard use these two PCI
>> > slots.....
>> >
>> > It doesn't matter if use MCA slots or not.
>> >
>> > Anybody who has a clue to address these PCI-slots/bus.
>> >
>> > Thanx in advance.
>> >
>> > Frank
>> >
>> > BTW. Does anyone know where to get enthernet MCA-cards?
>>
>> it kinda sounds like the card in some particular mca slot isn't doing what
>> it should--in terms of: one of the mca cards totally hogs the slot but some
>> part of the card circuitry is shot; and because it's not returning the
>> information it alleges to provide, its irq is left open but inaccessible.
>> since pci cards are intended to switch and share irq's, pull all the mca
>> cards and reinsert them selectively in order to determine which
>> one--whether card or slot--is preventing your pci cards from doing their
>> job.
>>
>
>i just re-read your post and i wonder how fine the box works under the win
>products. it's really not vanilla when m$ (or sado-masochism, if you will) is
>involved. is this a dual/multi-boot setup or are you getting to linux through
>one or the other of the beast installations? and when you say "a new one,"
>what does this mean?
>
>ben
Ben,
at first, thank you for your reply.
-a new one means, this is my third IBM-PC. The first is MCA only, the second PCI only
but this third machine, causing this problem is MCA AND PCI (8 slots MCA, 2 slots PCI)
-The PC was used as a windows/novell server (for nearly 5 years), no MCA slots used. The PCI slots were
used by a token ring 16/4 card and this raid controller.
-I removed all OSes and the token ring card.
The PC will use only linux (no garbage on the PC!).
There are NO MCA slots occupied by cards. The new (3C509C) ethernet card
uses the PCI-slot that was used by the token ring card.
During the linux installation it complaines that PCI can't allocate the PCI address.
I am wondering if IBM uses the "PCI-adresses" for MCA, but in that case: what will happen
if one machine has MCA AND PCI, like this one!!!!
TIA again.
Frank.
>
>
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