On Fri, May 31, 2013 at 2:46 PM, Helge Deller <deller@xxxxxx> wrote:
> On 05/30/2013 11:40 PM, Helge Deller wrote:
>> On 05/30/2013 11:12 PM, Bjorn Helgaas wrote:
>>> On Thu, May 30, 2013 at 09:47:11PM +0200, Helge Deller wrote:
>>>> Maybe you could help me with another problem which I have with my C3000 as well?
>>>>
>>>> That's the current log:
>>>> Found devices:
>>>> 1. Astro BC Runway Port at 0xfffffffffed00000 [10] { 12, 0x0, 0x582, 0x0000b }
>>>> 2. Elroy PCI Bridge at 0xfffffffffed30000 [10/0] { 13, 0x0, 0x782, 0x0000a }
>>>> 3. Elroy PCI Bridge at 0xfffffffffed32000 [10/1] { 13, 0x0, 0x782, 0x0000a }
>>>> 4. Elroy PCI Bridge at 0xfffffffffed38000 [10/4] { 13, 0x0, 0x782, 0x0000a }
>>>> 5. Elroy PCI Bridge at 0xfffffffffed3c000 [10/6] { 13, 0x0, 0x782, 0x0000a }
>>>> 6. Allegro W2 at 0xfffffffffffa0000 [32] { 0, 0x0, 0x5dc, 0x00004 }
>>>> 7. Memory at 0xfffffffffed10200 [49] { 1, 0x0, 0x09c, 0x00009 }
>>>> CPU(s): 1 x PA8700 (PCX-W2) at 750.000000 MHz
>>>> Whole cache flush 492314 cycles, flushing 7983104 bytes 1594427 cycles
>>>> Setting cache flush threshold to 180000 (1 CPUs online)
>>>> SBA found Astro 2.1 at 0xfffffffffed00000
>>>
>>>> Elroy version TR4.0 (0x5) found at 0xfffffffffed30000
>>>> LBA 10:0: PCI host bridge to bus 0000:00
>>>> pci_bus 0000:00: root bus resource [io 0x0000-0x1fff]
>>>> pci_bus 0000:00: root bus resource [mem 0xfffffffff2000000-0xfffffffff23fffff] (bus address [0xf2000000-0xf23fffff])
>>>> pci_bus 0000:00: root bus resource [bus 00]
>>>> pci 0000:00:0c.0: [1011:0019] type 00 class 0x020000
>>>> pci 0000:00:0c.0: reg 10: [io 0x1000-0x107f]
>>>> pci 0000:00:0c.0: reg 14: [mem 0xfffffffff2008000-0xfffffffff20083ff]
>>>> pci 0000:00:0c.0: reg 30: [mem 0xfffffffff2040000-0xfffffffff207ffff pref]
>>>> pci 0000:00:0d.0: [11d4:1889] type 00 class 0x040100
>>>> pci 0000:00:0d.0: reg 10: [mem 0xfffffffff200c000-0xfffffffff200c1ff pref]
>>>> pci 0000:00:0d.0: reg 14: [mem 0xfffffffff200b000-0xfffffffff200b00f pref]
>>>> pci 0000:00:0d.0: reg 18: [mem 0xfffffffff200a000-0xfffffffff200a00f pref]
>>>> pci 0000:00:0d.0: reg 1c: [mem 0xfffffffff2009000-0xfffffffff200900f pref]
>>>> pci 0000:00:0d.0: supports D2
>>>> pci 0000:00:0e.0: [100b:0002] type 00 class 0x01018a
>>>> PCI: Enabled native mode for NS87415 (pif=0x8f)
>>>> pci 0000:00:0e.0: reg 10: [io 0x0f00-0x0f07]
>>>> pci 0000:00:0e.0: reg 14: [io 0x0e00-0x0e03]
>>>> pci 0000:00:0e.0: reg 18: [io 0x0d00-0x0d07]
>>>> pci 0000:00:0e.0: reg 1c: [io 0x0b00-0x0b03]
>>>> pci 0000:00:0e.0: reg 20: [io 0x0a00-0x0a0f]
>>>> pci 0000:00:0e.1: [100b:000e] type 00 class 0x068000
>>>> pci 0000:00:0e.2: [100b:0012] type 00 class 0x0c0310
>>>> pci 0000:00:0e.2: reg 10: [mem 0xfffffffff2007000-0xfffffffff2007fff]
>>>> pci 0000:00:0e.2: reg 14: [mem 0xfffffffff2006000-0xfffffffff2006fff]
>>>> pci 0000:00:0f.0: [1000:000b] type 00 class 0x010000
>>>> pci 0000:00:0f.0: reg 10: [io 0x0900-0x09ff]
>>>> pci 0000:00:0f.0: reg 14: [mem 0xfffffffff2005000-0xfffffffff20053ff 64bit]
>>>> pci 0000:00:0f.0: reg 1c: [mem 0xfffffffff2002000-0xfffffffff2003fff 64bit]
>>>> pci 0000:00:0f.0: supports D1 D2
>>>> pci 0000:00:0f.1: [1000:000b] type 00 class 0x010000
>>>> pci 0000:00:0f.1: reg 10: [io 0x0800-0x08ff]
>>>> pci 0000:00:0f.1: reg 14: [mem 0xfffffffff2004000-0xfffffffff20043ff 64bit]
>>>> pci 0000:00:0f.1: reg 1c: [mem 0xfffffffff2000000-0xfffffffff2001fff 64bit]
>>>> pci 0000:00:0f.1: supports D1 D2
>>>
>>>> Elroy version TR4.0 (0x5) found at 0xfffffffffed32000
>>>> LBA 10:1: PCI host bridge to bus 0000:01
>>>> pci_bus 0000:01: root bus resource [io 0x12000-0x13fff] (bus address [0x2000-0x3fff])
>>>> pci_bus 0000:01: root bus resource [mem 0xfffffffff6000000-0xfffffffff6ffffff] (bus address [0xf6000000-0xf6ffffff])
>>>
>>> 16MB window (probably "directed range").
>>>
>>>> pci_bus 0000:01: root bus resource [mem 0xfffffffff2400000-0xfffffffff27fffff] (bus address [0xf2400000-0xf27fffff])
>>>
>>> 4MB window (probably "distributed range").
>>>
>>>> pci_bus 0000:01: root bus resource [bus 01-02]
>>>> pci 0000:01:04.0: [103c:1005] type 00 class 0x038000
>>>> pci 0000:01:04.0: reg 10: [mem 0xf6000000-0xf7ffffff]
>>>
>>> This BAR requires 32MB, so it doesn't fit inside the window.
>>>
>>> Has this device ever worked on Linux, or do you know if it works on HP-UX?
>>
>> Yes, that's a simple HP graphics framebuffer card for HP-UX:
>> 01:04.0 Display controller: Hewlett-Packard Company A4977A Visualize EG (rev 03)
>> Flags: 66MHz, medium devsel
>> Memory at f6000000 (32-bit, non-prefetchable) [size=32M]
>> Expansion ROM at f2400000 [disabled] [size=64K]
>>
>>> If so, our idea of the LBA 10:1 bridge windows is probably wrong. There
>>> is no generic mechanism for LBA window workarounds (i.e., nothing like
>>> the PCI quirk mechanism), but you might be able to detect and work
>>> around this issue in lba_pat_resources() or lba_legacy_resources().
>>> Of course, you have to know where to get the correct window info. It
>>> looks like lba_legacy_resources() reads that directly from hardware
>>> via sba_distributed_lmmio() and sba_directed_lmmio(). I'd be surprised
>>> if the hardware registers gave the wrong values, since they're probably
>>> used directly for routing.
>>>
>>>> pci 0000:01:04.0: reg 30: [mem 0xfffffffff2400000-0xfffffffff240ffff pref]
>>>> pci 0000:01:05.0: [121a:0002] type 00 class 0x040000
>>>> pci 0000:01:05.0: reg 10: [mem 0xf8000000-0xf8ffffff pref]
>>>
>>> Also wrong because it doesn't fit in any window we know about.
>>
>> 01:05.0 Multimedia video controller: 3Dfx Interactive, Inc. Voodoo 2 (rev 02)
>> Flags: fast devsel
>> Memory at f8000000 (32-bit, prefetchable) [size=16M]
>>
>> -> from PC. IIRC, it worked once for me under Linux in this machine (when the C3000 workaround worked).
>>
>>>> pci 0000:01:06.0: [3388:0021] type 01 class 0x060400
>>>> pci 0000:01:06.0: supports D1 D2
>>>> pci 0000:01:06.0: PME# supported from D1 D2 D3hot D3cold
>>
>> 01:06.0 PCI bridge: Hint Corp HB6 Universal PCI-PCI bridge (non-transparent mode) (rev 12) (prog-if 00 [Normal decode])
>> Flags: bus master, fast Back2Back, medium devsel, latency 255
>> Bus: primary=01, secondary=02, subordinate=02, sec-latency=255
>> I/O behind bridge: 00000000-00000fff
>> Memory behind bridge: f9000000-fbffffff
>> Prefetchable memory behind bridge: ffffffff00000000-ffffffff000fffff
>> Capabilities: [80] Power Management version 2
>> Capabilities: [90] CompactPCI hot-swap <?>
>> Capabilities: [a0] Vital Product Data
>>
>> -> I don't know any longer what that is.
>> Will plug it out.
>>
>>>> pci 0000:01:04.0: no compatible bridge window for [mem 0xf6000000-0xf7ffffff]
>>>>
>>>> ^^ HERE ^^^
>>>> That's actually the problem.
>>>> pci 0000:01:04.0, pci 0000:01:05.0 and maybe pci 0000:01:06.0 should be:
>>>> pci 0000:00:04.0, pci 0000:00:05.0 and maybe pci 0000:00:06.0.
>>>>
>>>> This problem is documented in lba_pci.c as a bug on the C3000 machines, that
>>>> everything listed under PCI02 actually lives under PCI00.
>>>> Just search for the lengthy comment in lba_pci.c (search for keyword C3000).
>>>>
>>>> Can you maybe give me some hints how I can build a proper workaround for that problem?
>>>> Is there any similar workaround in the pci codebase which I haven't found yet?
>>>> The reference code in lba_pci.c doesn't compile any longer, but maybe
>>>> it's possible to reactivate it somehow?
>>>>
>>>>
>>>> iosapic: no IRTE for 0000:01:04.0 (IRQ not connected?)
>>>> pci 0000:01:05.0: no compatible bridge window for [mem 0xf8000000-0xf8ffffff pref]
>>>> iosapic: no IRTE for 0000:01:05.0 (IRQ not connected?)
>>>> pci_bus 0000:02: busn_res: can not insert [bus 02-ff] under [bus 01-02] (conflicts with (null) [bus 01-02])
>>>
>>> The PCI core does know that LBA 10:0 leads only to [bus 01-02], but maybe
>>> we try to set the end of the range higher during enumeration, in case we
>>> find bridges? We *shouldn't* go past bus 02 though, because then we might
>>> falsely believe a device on bus 03 was under this LBA. I'm not sure what's
>>> going on here.
>>>
>>>> pci 0000:02:00.0: [102b:0525] type 00 class 0x030000
>>>> pci 0000:02:00.0: reg 10: [mem 0xfa000000-0xfbffffff pref]
>>>> pci 0000:02:00.0: reg 14: [mem 0xf9800000-0xf9803fff]
>>>> pci 0000:02:00.0: reg 18: [mem 0xf9000000-0xf97fffff]
>>>> pci 0000:02:00.0: reg 30: [mem 0xf9820000-0xf983ffff pref]
>>>
>>> These are all wrong, too.
>>>
>>>> pci 0000:01:06.0: PCI bridge to [bus 02-ff]
>>>>
>>>> ^^^^ HERE ^^^^
>>>> Should this be something like (in **): ?
>>>> pci 0000:01:06.0: PCI bridge to *BUS 02-ff* [bus 02-ff
>>>> But probably it's related to the C3000 bug mentioned above.
>>>>
>>>>
>>>> pci 0000:01:06.0: bridge window [io 0x0000-0x0fff]
>>>
>>> Something's wrong here, too. The host bridge I/O window is
>>> [io 0x12000-0x13fff] (bus address [0x2000-0x3fff]), and this
>>> P2P bridge window is not inside it.
>>>
>>>> pci 0000:01:06.0: bridge window [mem 0xf9000000-0xfbffffff]
>>>
>>> This looks wrong, too.
>>>
>>>> pci 0000:01:06.0: bridge window [mem 0xffffffff00000000-0xffffffff000fffff 64bit pref]
>>>> pci 0000:01:06.0: address space collision: [io 0x0000-0x0fff] conflicts with PCI01 Ports [io 0x12000-0x13fff]
>>>> pci 0000:01:06.0: no compatible bridge window for [mem 0xf9000000-0xfbffffff]
>>>> pci 0000:01:06.0: no compatible bridge window for [mem 0xffffffff00000000-0xffffffff000fffff 64bit pref]
>>>> pci 0000:01:06.0: no compatible bridge window for [??? 0x00000000 flags 0x0]
>>>
>>> I don't know what's going on here -- looks like that resource is all zeroes?
>>>
>>>> pci_bus 0000:02: busn_res: [bus 02-ff] end is updated to 02
>>>> pci 0000:01:06.0: device not available (can't reserve [io 0x0000-0x0fff])
>>>> pci 0000:01:06.0: Error enabling bridge (-22), continuing
>>
>>>> Elroy version TR4.0 (0x5) found at 0xfffffffffed38000
>>>> LBA 10:4: PCI host bridge to bus 0000:03
>>>> pci_bus 0000:03: root bus resource [io 0x28000-0x29fff] (bus address [0x8000-0x9fff])
>>>> pci_bus 0000:03: root bus resource [mem 0xfffffffff3000000-0xfffffffff33fffff] (bus address [0xf3000000-0xf33fffff])
>>>> pci_bus 0000:03: root bus resource [bus 03]
>>>> pci 0000:03:01.0: [12ae:0001] type 00 class 0x020000
>>>> pci 0000:03:01.0: reg 10: [mem 0xfffffffff3000000-0xfffffffff3003fff]
>>>> pci 0000:03:03.0: [1011:0019] type 00 class 0x020000
>>>> pci 0000:03:03.0: reg 10: [io 0x28000-0x2807f]
>>>> pci 0000:03:03.0: reg 14: [mem 0xfffffffff3004000-0xfffffffff300407f]
>>>> pci 0000:03:03.0: reg 30: [mem 0xfffffffff3040000-0xfffffffff307ffff pref]
>>>> Elroy version TR4.0 (0x5) found at 0xfffffffffed3c000
>>>> .....
>>>
>>> Wow, this is a real train wreck. Has this configuration ever worked under
>>> Linux? Does it work under HP-UX?
>>
>> I think all devices beside 01:06.0 worked under Linux in the past.
>> I'll take out the 01:06.0 and try again.
>>
>>> Maybe it has devices that aren't
>>> officially supported and the firmware did the wrong thing? (Though it'd
>>> still be nice if Linux did something more sensible than this.)
>
> Ok, I removed all unnecessary cards, incl. 100MBit NIC, 1000MBit NIC, Matrox G200 and a Visualize FX.
>
> Now it works nicely and as expected.
> Even the Visualize EG graphics card and the Voodo2 work (which were my main problem) :-)
Good, glad that works. We *ought* to be able to do better, e.g., by
just ignoring cards that we can't use.
If you have a chance, you might collect the complete dmesg log from
both the working configuration and the broken one, and attach them to
a new kernel.org PCI bugzilla. Maybe we can ponder them and figure
something out.
I suspect the problem is related to the fact that we don't really
enforce the host bridge apertures reported by the platform. But we
might be able to tighten that up, or do something specific to parisc
that would help this situation.
Bjorn
> Found devices:
> 1. Astro BC Runway Port at 0xfffffffffed00000 [10] { 12, 0x0, 0x582, 0x0000b }
> 2. Elroy PCI Bridge at 0xfffffffffed30000 [10/0] { 13, 0x0, 0x782, 0x0000a }
> 3. Elroy PCI Bridge at 0xfffffffffed32000 [10/1] { 13, 0x0, 0x782, 0x0000a }
> 4. Elroy PCI Bridge at 0xfffffffffed38000 [10/4] { 13, 0x0, 0x782, 0x0000a }
> 5. Elroy PCI Bridge at 0xfffffffffed3c000 [10/6] { 13, 0x0, 0x782, 0x0000a }
> 6. Allegro W2 at 0xfffffffffffa0000 [32] { 0, 0x0, 0x5dc, 0x00004 }
> 7. Memory at 0xfffffffffed10200 [49] { 1, 0x0, 0x09c, 0x00009 }
> CPU(s): 1 x PA8700 (PCX-W2) at 750.000000 MHz
> SBA found Astro 2.1 at 0xfffffffffed00000
> Elroy version TR4.0 (0x5) found at 0xfffffffffed30000
> LBA 10:0: PCI host bridge to bus 0000:00
> pci_bus 0000:00: root bus resource [io 0x0000-0x1fff]
> pci_bus 0000:00: root bus resource [mem 0xfffffffff4000000-0xfffffffff47fffff] (bus address [0xf4000000-0xf47fffff])
> pci_bus 0000:00: root bus resource [bus 00]
> pci 0000:00:0c.0: [1011:0019] type 00 class 0x020000
> pci 0000:00:0c.0: reg 10: [io 0x1000-0x107f]
> pci 0000:00:0c.0: reg 14: [mem 0xfffffffff4008000-0xfffffffff40083ff]
> pci 0000:00:0c.0: reg 30: [mem 0xfffffffff4040000-0xfffffffff407ffff pref]
> pci 0000:00:0d.0: [11d4:1889] type 00 class 0x040100
> pci 0000:00:0d.0: reg 10: [mem 0xfffffffff400c000-0xfffffffff400c1ff pref]
> pci 0000:00:0d.0: reg 14: [mem 0xfffffffff400b000-0xfffffffff400b00f pref]
> pci 0000:00:0d.0: reg 18: [mem 0xfffffffff400a000-0xfffffffff400a00f pref]
> pci 0000:00:0d.0: reg 1c: [mem 0xfffffffff4009000-0xfffffffff400900f pref]
> pci 0000:00:0d.0: supports D2
> pci 0000:00:0e.0: [100b:0002] type 00 class 0x01018a
> PCI: Enabled native mode for NS87415 (pif=0x8f)
> pci 0000:00:0e.0: reg 10: [io 0x0f00-0x0f07]
> pci 0000:00:0e.0: reg 14: [io 0x0e00-0x0e03]
> pci 0000:00:0e.0: reg 18: [io 0x0d00-0x0d07]
> pci 0000:00:0e.0: reg 1c: [io 0x0b00-0x0b03]
> pci 0000:00:0e.0: reg 20: [io 0x0a00-0x0a0f]
> pci 0000:00:0e.1: [100b:000e] type 00 class 0x068000
> pci 0000:00:0e.2: [100b:0012] type 00 class 0x0c0310
> pci 0000:00:0e.2: reg 10: [mem 0xfffffffff4007000-0xfffffffff4007fff]
> pci 0000:00:0e.2: reg 14: [mem 0xfffffffff4006000-0xfffffffff4006fff]
> pci 0000:00:0f.0: [1000:000b] type 00 class 0x010000
> pci 0000:00:0f.0: reg 10: [io 0x0900-0x09ff]
> pci 0000:00:0f.0: reg 14: [mem 0xfffffffff4005000-0xfffffffff40053ff 64bit]
> pci 0000:00:0f.0: reg 1c: [mem 0xfffffffff4002000-0xfffffffff4003fff 64bit]
> pci 0000:00:0f.0: supports D1 D2
> pci 0000:00:0f.1: [1000:000b] type 00 class 0x010000
> pci 0000:00:0f.1: reg 10: [io 0x0800-0x08ff]
> pci 0000:00:0f.1: reg 14: [mem 0xfffffffff4004000-0xfffffffff40043ff 64bit]
> pci 0000:00:0f.1: reg 1c: [mem 0xfffffffff4000000-0xfffffffff4001fff 64bit]
> pci 0000:00:0f.1: supports D1 D2
> Elroy version TR4.0 (0x5) found at 0xfffffffffed32000
> LBA 10:1: PCI host bridge to bus 0000:01
> pci_bus 0000:01: root bus resource [io 0x12000-0x13fff] (bus address [0x2000-0x3fff])
> pci_bus 0000:01: root bus resource [mem 0xfffffffffa000000-0xfffffffffbffffff] (bus address [0xfa000000-0xfbffffff])
> pci_bus 0000:01: root bus resource [mem 0xfffffffff4800000-0xfffffffff4ffffff] (bus address [0xf4800000-0xf4ffffff])
> pci_bus 0000:01: root bus resource [bus 01]
> pci 0000:01:04.0: [103c:1005] type 00 class 0x038000
> pci 0000:01:04.0: reg 10: [mem 0xfffffffffa000000-0xfffffffffbffffff]
> pci 0000:01:04.0: reg 30: [mem 0xfffffffff4800000-0xfffffffff480ffff pref]
> iosapic: hpa not registered for 0000:01:04.0
> Elroy version TR4.0 (0x5) found at 0xfffffffffed38000
> LBA 10:4: PCI host bridge to bus 0000:02
> pci_bus 0000:02: root bus resource [io 0x28000-0x29fff] (bus address [0x8000-0x9fff])
> pci_bus 0000:02: root bus resource [mem 0xfffffffff9000000-0xfffffffff9ffffff] (bus address [0xf9000000-0xf9ffffff])
> pci_bus 0000:02: root bus resource [mem 0xfffffffff6000000-0xfffffffff67fffff] (bus address [0xf6000000-0xf67fffff])
> pci_bus 0000:02: root bus resource [bus 02]
> pci 0000:02:03.0: [121a:0002] type 00 class 0x040000
> pci 0000:02:03.0: reg 10: [mem 0xfffffffff9000000-0xfffffffff9ffffff pref]
> iosapic: hpa not registered for 0000:02:03.0
> Elroy version TR4.0 (0x5) found at 0xfffffffffed3c000
> LBA 10:6: PCI host bridge to bus 0000:03
> pci_bus 0000:03: root bus resource [io 0x3c000-0x3dfff] (bus address [0xc000-0xdfff])
> pci_bus 0000:03: root bus resource [mem 0xfffffffff7000000-0xfffffffff77fffff] (bus address [0xf7000000-0xf77fffff])
> pci_bus 0000:03: root bus resource [bus 03]
> .....
> .....
> STI GSC/PCI core graphics driver Version 0.9a
> sti 0000:01:04.0: enabling SERR and PARITY (0002 -> 0142)
> STI PCI graphic ROM found at fffffffff4800000 (64 kB), fb at fffffffffa000000 (32 MB)
> id 2d08c0a7-9a02587, conforms to spec rev. 8.0a
> graphics card name: PCI_GRAFFITIX1024
> sticon: Initializing STI text console.
> Console: switching to colour STI console 128x48
> Console: switching to colour frame buffer device 128x48
> fb0: stifb 1024x768-8 frame buffer device, PCI_GRAFFITIX1024, id: 2d08c0a7, mmio: 0xfffffffffa100000
> sstfb 0000:02:03.0: enabling SERR and PARITY (0002 -> 0142)
> Voodoo2 (revision 2) with ICS ICS5342 dac
> framebuffer at 0xfffffffff9400000, mapped to 0x0000000000700000, size 2MB
> fb1: Voodoo2 frame buffer device at 0x0000000000700000
> .....
>
> lspci -v:
> ---------
> 00:0c.0 Ethernet controller: Digital Equipment Corporation DECchip 21142/43 (rev 41)
> Subsystem: Hewlett-Packard Company Device 104f
> Flags: bus master, medium devsel, latency 255, IRQ 65
> I/O ports at 1000 [size=128]
> Memory at fffffffff4008000 (32-bit, non-prefetchable) [size=1K]
> Expansion ROM at fffffffff4040000 [disabled] [size=256K]
> Kernel driver in use: tulip
>
> 00:0d.0 Multimedia audio controller: Analog Devices AD1889 sound chip
> Subsystem: Analog Devices AD1889 sound chip
> Flags: bus master, medium devsel, latency 255, IRQ 66
> Memory at fffffffff400c000 (32-bit, prefetchable) [size=512]
> Memory at fffffffff400b000 (32-bit, prefetchable) [size=16]
> Memory at fffffffff400a000 (32-bit, prefetchable) [size=16]
> Memory at fffffffff4009000 (32-bit, prefetchable) [size=16]
> Capabilities: [dc] Power Management version 1
>
> 00:0e.0 IDE interface: National Semiconductor Corporation 87415/87560 IDE (rev 03) (prog-if 8f [Master SecP SecO PriP PriO])
> Flags: bus master, medium devsel, latency 255, IRQ 7
> I/O ports at 0f00 [size=8]
> I/O ports at 0e00 [size=4]
> I/O ports at 0d00 [size=8]
> I/O ports at 0b00 [size=4]
> I/O ports at 0a00 [size=16]
> Kernel driver in use: NS87415_IDE
>
> 00:0e.1 Bridge: National Semiconductor Corporation 87560 Legacy I/O (rev 01)
> Flags: bus master, medium devsel, latency 255, IRQ 67
> Kernel driver in use: SuperIO
>
> 00:0e.2 USB controller: National Semiconductor Corporation USB Controller (rev 02) (prog-if 10 [OHCI])
> Flags: bus master, medium devsel, latency 240, IRQ 1
> Memory at fffffffff4007000 (32-bit, non-prefetchable) [size=4K]
> Memory at fffffffff4006000 (32-bit, non-prefetchable) [size=4K]
> Kernel driver in use: ohci_hcd
>
> 00:0f.0 SCSI storage controller: LSI Logic / Symbios Logic 53C896/897 (rev 07)
> Subsystem: LSI Logic / Symbios Logic LSI53C896/7 PCI to Dual Channel Ultra2 SCSI Multifunction Controller
> Flags: bus master, medium devsel, latency 255, IRQ 68
> I/O ports at 0900 [size=256]
> Memory at fffffffff4005000 (64-bit, non-prefetchable) [size=1K]
> Memory at fffffffff4002000 (64-bit, non-prefetchable) [size=8K]
> Capabilities: [40] Power Management version 2
> Kernel driver in use: sym53c8xx
>
> 00:0f.1 SCSI storage controller: LSI Logic / Symbios Logic 53C896/897 (rev 07)
> Subsystem: LSI Logic / Symbios Logic LSI53C896/7 PCI to Dual Channel Ultra2 SCSI Multifunction Controller
> Flags: bus master, medium devsel, latency 255, IRQ 68
> I/O ports at 0800 [size=256]
> Memory at fffffffff4004000 (64-bit, non-prefetchable) [size=1K]
> Memory at fffffffff4000000 (64-bit, non-prefetchable) [size=8K]
> Capabilities: [40] Power Management version 2
> Kernel driver in use: sym53c8xx
>
> 01:04.0 Display controller: Hewlett-Packard Company A4977A Visualize EG (rev 03)
> Flags: 66MHz, medium devsel
> Memory at fffffffffa000000 (32-bit, non-prefetchable) [size=32M]
> Expansion ROM at fffffffff4800000 [disabled] [size=64K]
> Kernel driver in use: sti
>
> 02:03.0 Multimedia video controller: 3Dfx Interactive, Inc. Voodoo 2 (rev 02)
> Flags: fast devsel
> Memory at fffffffff9000000 (32-bit, prefetchable) [size=16M]
> Kernel driver in use: sstfb
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