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SubjectRe: Updated 2.4 TODO List - more on PCI resources...]

Linus Torvalds wrote:
>
> On Wed, 11 Oct 2000, Dag B wrote:
> >

[snip]

> > Expansion ROM at 18000000 [disabled] [size=32M]
> > Capabilities: [dc] Power Management version 1
>
> There's something really wrong going on with your ethernet controller. It
> seems to try to take up all available space.
>
> Please add a debug printk() to drivers/pci/setup-res.c to the very end of

Linus,
I realized there was one more test to do before deeming the hardware sane.

PCMCIA (16-bit) in my laptop is tested and works fine with three different
types of cards.
Another Xircom card behaved just the same (non-functional) in my latop.
My Xircom card was tested in another laptop and found working.

Today I took my card *and* disk and tested it in an identical laptop.
It works.

So it appears that the *cardbus* logic is broken on my machine. Plain, old
hardware defect. And I have been wasting your time. Sorry about that.

In any case, debug output follows for both the non-working and the working
case. Feel free to pin-point the hw-bug or flat out ignore it.....


Thanks,

Dag B


Non-working case:
[....]
PCI: Using configuration type 1
PCI: Probing PCI hardware
Scanning bus 00
Found 00:00 [8086/7190] 000600 00
Found 00:08 [8086/7191] 000604 01
Found 00:18 [104c/ac1c] 000607 02
Found 00:19 [104c/ac1c] 000607 02
Found 00:38 [8086/7110] 000680 00
Found 00:39 [8086/7111] 000101 00
PCI: IDE base address fixup for 00:07.1
Found 00:3a [8086/7112] 000c03 00
Found 00:3b [8086/7113] 000680 00
Found 00:68 [10b7/9050] 000200 00
Fixups for bus 00
PCI: Scanning for ghost devices on bus 0
Scanning behind PCI bridge 00:01.0, config 010100, pass 0
Scanning bus 01
Found 01:00 [10c8/0005] 000300 00
Found 01:01 [10c8/8005] 000401 00
Fixups for bus 01
PCI: Scanning for ghost devices on bus 1
Bus scan for 01 returning with max=01
Scanning behind PCI bridge 00:03.0, config 000000, pass 0
Scanning behind PCI bridge 00:03.1, config 000000, pass 0
Scanning behind PCI bridge 00:01.0, config 010100, pass 1
Scanning behind PCI bridge 00:03.0, config 000000, pass 1
Scanning behind PCI bridge 00:03.1, config 000000, pass 1
Bus scan for 00 returning with max=09
PCI: IRQ init
PCI: Interrupt Routing Table found at 0xc00fbda0
00:07 slot=00 0:00/0000 1:00/0000 2:00/0000 3:63/def8
01:00 slot=00 0:60/def8 1:61/def8 2:00/0000 3:00/0000
00:03 slot=00 0:63/def8 1:63/def8 2:00/0000 3:00/0000
00:0d slot=00 0:62/def8 1:00/0000 2:00/0000 3:00/0000
00:11 slot=00 0:62/def8 1:62/def8 2:62/def8 3:62/def8
PCI: Bus 01 already known
PCI: Using IRQ router default [8086/1234] at 00:07.0
PCI: IRQ fixup
PCI: Allocating resources
PCI: Resource f4000000-f7ffffff (f=1208, d=0, p=0)
PCI: Resource 00000860-0000086f (f=101, d=0, p=0)
PCI: Resource 0000ece0-0000ecff (f=101, d=0, p=0)
PCI: Resource 0000ec80-0000ecbf (f=101, d=0, p=0)
PCI: Resource f9000000-f9ffffff (f=1208, d=0, p=0)
PCI: Resource fdc00000-fdffffff (f=200, d=0, p=0)
PCI: Resource fdb00000-fdbfffff (f=200, d=0, p=0)
PCI: Resource f8c00000-f8ffffff (f=1208, d=0, p=0)
PCI: Resource fda00000-fdafffff (f=200, d=0, p=0)
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
device 3Com Corporation 3c905 100BaseTX [Boomerang] resource 6 size 00010000
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
Limiting direct PCI/PCI transfers.
[....]
cs: cb_alloc(bus 6): vendor 0x115d, device 0x0003
Found 06:00 [115d/0003] 000200 00
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0003 resource 1 size 04000800
PCI: Failed to allocate resource 1 for PCI device 115d:0003
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0003 resource 2 size 04000800
PCI: Failed to allocate resource 2 for PCI device 115d:0003
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0003 resource 6 size 04004000
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0003 resource 6 size 04004000
PCI: Failed to allocate resource 6 for PCI device 115d:0003
PCI: Enabling device 06:00.0 (0000 -> 0003)
Found 06:01 [115d/0103] 000300 00
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0103 resource 1 size 04000800
PCI: Failed to allocate resource 1 for PCI device 115d:0103
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0103 resource 2 size 04000800
PCI: Failed to allocate resource 2 for PCI device 115d:0103
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0103 resource 6 size 04004000
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 3 100 00001c00-00001cff
device PCI device 115d:0103 resource 6 size 04004000
PCI: Failed to allocate resource 6 for PCI device 115d:0103
PCI: Enabling device 06:00.1 (0000 -> 0003)
cs: IO port probe 0x0c00-0x0cff: clean.
cs: IO port probe 0x0800-0x08ff: clean.
cs: IO port probe 0x0100-0x04ff: excluding 0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.


One or more flipped bits somewhere?


The working case looks like this:
[...]
PCI: Using configuration type 1
PCI: Probing PCI hardware
Scanning bus 00
Found 00:00 [8086/7190] 000600 00
Found 00:08 [8086/7191] 000604 01
Found 00:18 [104c/ac1c] 000607 02
Found 00:19 [104c/ac1c] 000607 02
Found 00:38 [8086/7110] 000680 00
Found 00:39 [8086/7111] 000101 00
PCI: IDE base address fixup for 00:07.1
Found 00:3a [8086/7112] 000c03 00
Found 00:3b [8086/7113] 000680 00
Found 00:68 [10b7/9050] 000200 00
Fixups for bus 00
PCI: Scanning for ghost devices on bus 0
Scanning behind PCI bridge 00:01.0, config 010100, pass 0
Scanning bus 01
Found 01:00 [10c8/0005] 000300 00
Found 01:01 [10c8/8005] 000401 00
Fixups for bus 01
PCI: Scanning for ghost devices on bus 1
Bus scan for 01 returning with max=01
Scanning behind PCI bridge 00:03.0, config 000000, pass 0
Scanning behind PCI bridge 00:03.1, config 000000, pass 0
Scanning behind PCI bridge 00:01.0, config 010100, pass 1
Scanning behind PCI bridge 00:03.0, config 000000, pass 1
Scanning behind PCI bridge 00:03.1, config 000000, pass 1
Bus scan for 00 returning with max=09
PCI: IRQ init
PCI: Interrupt Routing Table found at 0xc00fbda0
00:07 slot=00 0:00/0000 1:00/0000 2:00/0000 3:63/def8
01:00 slot=00 0:60/def8 1:61/def8 2:00/0000 3:00/0000
00:03 slot=00 0:63/def8 1:63/def8 2:00/0000 3:00/0000
00:0d slot=00 0:62/def8 1:00/0000 2:00/0000 3:00/0000
00:11 slot=00 0:62/def8 1:62/def8 2:62/def8 3:62/def8
PCI: Bus 01 already known
PCI: Using IRQ router default [8086/1234] at 00:07.0
PCI: IRQ fixup
PCI: Allocating resources
PCI: Resource f4000000-f7ffffff (f=1208, d=0, p=0)
PCI: Resource 00000860-0000086f (f=101, d=0, p=0)
PCI: Resource 0000ece0-0000ecff (f=101, d=0, p=0)
PCI: Resource 0000ec80-0000ecbf (f=101, d=0, p=0)
PCI: Resource fb000000-fbffffff (f=1208, d=0, p=0)
PCI: Resource fdc00000-fdffffff (f=200, d=0, p=0)
PCI: Resource fdb00000-fdbfffff (f=200, d=0, p=0)
PCI: Resource fac00000-faffffff (f=1208, d=0, p=0)
PCI: Resource fda00000-fdafffff (f=200, d=0, p=0)
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
device 3Com Corporation 3c905 100BaseTX [Boomerang] resource 6 size 00010000
bus res 0 100 00000000-0000ffff
bus res 1 200 00000000-ffffffff
Limiting direct PCI/PCI transfers.
[...]
cs: cb_alloc(bus 6): vendor 0x115d, device 0x0003
Found 06:00 [115d/0003] 000200 00
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 0 1200 1c000000-1fffffff
PCI: Enabling device 06:00.0 (0000 -> 0003)
Found 06:01 [115d/0103] 000700 00
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 2 100 00001800-000018ff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 0 1200 1c000000-1fffffff
bus res 1 200 20000000-23ffffff
bus res 0 1200 1c000000-1fffffff
PCI: Enabling device 06:00.1 (0000 -> 0003)
cs: IO port probe 0x0c00-0x0cff: clean.
cs: IO port probe 0x0800-0x08ff: clean.
cs: IO port probe 0x0100-0x04ff: excluding 0x290-0x297 0x378-0x37f
0x4d0-0x4d7
cs: IO port probe 0x0a00-0x0aff: clean.

lspci -v:
[...]
00:03.0 CardBus bridge: Texas Instruments PCI1225 (rev 01)
Subsystem: Dell Computer Corporation: Unknown device 0088
Flags: bus master, medium devsel, latency 168, IRQ 11
Memory at 10000000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=02, subordinate=02, sec-latency=176
Memory window 0: 14000000-17fff000 (prefetchable)
Memory window 1: 18000000-1bfff000
I/O window 0: 00001000-000010ff
I/O window 1: 00001400-000014ff
16-bit legacy interface ports at 0001

00:03.1 CardBus bridge: Texas Instruments PCI1225 (rev 01)
Subsystem: Dell Computer Corporation: Unknown device 0088
Flags: bus master, medium devsel, latency 168, IRQ 11
Memory at 10001000 (32-bit, non-prefetchable) [size=4K]
Bus: primary=00, secondary=06, subordinate=06, sec-latency=176
Memory window 0: 1c000000-1ffff000 (prefetchable)
Memory window 1: 20000000-23fff000
I/O window 0: 00001800-000018ff
I/O window 1: 00001c00-00001cff
16-bit legacy interface ports at 0001
[...]
06:00.0 Ethernet controller: Xircom Cardbus Ethernet 10/100 (rev 03)
Subsystem: Xircom Cardbus Ethernet 10/100
Flags: medium devsel, IRQ 11
I/O ports at 1800 [size=128]
Memory at 20000000 (32-bit, non-prefetchable) [size=2K]
Memory at 20000800 (32-bit, non-prefetchable) [size=2K]
Expansion ROM at 1c000000 [size=16K]
Capabilities: [dc] Power Management version 1

06:00.1 Serial controller: Xircom Cardbus Ethernet + 56k Modem (rev 03)
(prog-if 02 [16550])
Subsystem: Xircom CBEM56G-100 Ethernet + 56k Modem
Flags: medium devsel, IRQ 11
I/O ports at 1880 [size=8]
Memory at 20001000 (32-bit, non-prefetchable) [size=2K]
Memory at 20001800 (32-bit, non-prefetchable) [size=2K]
Expansion ROM at 1c004000 [size=16K]
Capabilities: [dc] Power Management version 1



Dag B
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