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SubjectRE: Problems related to DMA or DDR memory on Intel 845 chipset?
Date
Krzysztof ,

>Looks like malfunction of your card or driver. Is it a new design or
>is it already working with, say, Windows or something?

This same board works in an Sun Ultra 5 under Solaris and also works on
slower PCs using Linux Red Hat 8.0 and 9.0. (i.e., all my stress testing
was done on a MoBo with an Intel 815E Chipset using an ICH2 I/O Controller
Hub. It worked beautifully there!)

>> 00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host
Bridge
>> (rev 02)
>> 00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP
Bridge
>> (rev 02)
>> 00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02)
>> 00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02)
>> 00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02)
>> 00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 02)
>> 00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 82)
>> 00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 02)
>> 00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 02)
>> 01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 Pro
Ultra
>> TF
>> 02:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host
>> Controller (rev 80)
>> 02:05.0 Ethernet controller: Broadcom Corporation BCM4401 100Base-T (rev
01)
>> 02:09.0 Communication controller: Altera Corporation PCI Fiber Optic
Engrave
>> Interface (rev 02)

>Does the above list include your card? Which one is it? Could you show
>lspci -vv output for that device?

The last item "Communication controller" is our card. lspci -vv for our
system follows (ours is the last one):

00:00.0 Host bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset Host Bridge
(rev 02)
Subsystem: Asustek Computer, Inc.: Unknown device 80b2
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort+ >SERR- <PERR-
Latency: 0
Region 0: Memory at f8000000 (32-bit, prefetchable) [size=64M]
Capabilities: <available only to root>

00:01.0 PCI bridge: Intel Corp. 82845G/GL [Brookdale-G] Chipset AGP Bridge
(rev 02) (prog-if 00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64
Bus: primary=00, secondary=01, subordinate=01, sec-latency=0
I/O behind bridge: 0000d000-0000dfff
Memory behind bridge: f3000000-f3dfffff
Prefetchable memory behind bridge: f3f00000-f7ffffff
BridgeCtl: Parity- SERR- NoISA- VGA+ MAbort- >Reset- FastB2B-

00:1d.0 USB Controller: Intel Corp. 82801DB USB (Hub #1) (rev 02) (prog-if
00 [UHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 8089
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 5
Region 4: I/O ports at b800 [size=32]

00:1d.1 USB Controller: Intel Corp. 82801DB USB (Hub #2) (rev 02) (prog-if
00 [UHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 8089
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin B routed to IRQ 5
Region 4: I/O ports at b400 [size=32]

00:1d.2 USB Controller: Intel Corp. 82801DB USB (Hub #3) (rev 02) (prog-if
00 [UHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 8089
Control: I/O+ Mem- BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin C routed to IRQ 11
Region 4: I/O ports at b000 [size=32]

00:1d.7 USB Controller: Intel Corp. 82801DB USB EHCI Controller (rev 02)
(prog-if 20 [EHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 8089
Control: I/O- Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin D routed to IRQ 9
Region 0: Memory at f2800000 (32-bit, non-prefetchable) [size=1K]
Capabilities: <available only to root>

00:1e.0 PCI bridge: Intel Corp. 82801BA/CA/DB PCI Bridge (rev 82) (prog-if
00 [Normal decode])
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=fast >TAbort- <TAbort-
<MAbort- >SERR- <PERR+
Latency: 0
Bus: primary=00, secondary=02, subordinate=02, sec-latency=32
I/O behind bridge: 0000a000-0000afff
Memory behind bridge: f1000000-f27fffff
Prefetchable memory behind bridge: f3e00000-f3efffff
BridgeCtl: Parity- SERR+ NoISA+ VGA- MAbort- >Reset- FastB2B-

00:1f.0 ISA bridge: Intel Corp. 82801DB ISA Bridge (LPC) (rev 02)
Control: I/O+ Mem+ BusMaster+ SpecCycle+ MemWINV- VGASnoop- ParErr-
Stepping- SERR+ FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0

00:1f.1 IDE interface: Intel Corp. 82801DB ICH4 IDE (rev 02) (prog-if 8a
[Master SecP PriP])
Subsystem: Asustek Computer, Inc.: Unknown device 8089
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 0
Interrupt: pin A routed to IRQ 11
Region 0: I/O ports at <unassigned>
Region 1: I/O ports at <unassigned>
Region 2: I/O ports at <unassigned>
Region 3: I/O ports at <unassigned>
Region 4: I/O ports at f000 [size=16]
Region 5: Memory at 20000000 (32-bit, non-prefetchable) [size=1K]

01:00.0 VGA compatible controller: ATI Technologies Inc Rage 128 Pro Ultra
TF (prog-if 00 [VGA])
Subsystem: PC Partner Limited: Unknown device 7106
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV- VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
Status: Cap+ 66Mhz+ UDF- FastB2B+ ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 64 (2000ns min), cache line size 08
Interrupt: pin A routed to IRQ 5
Region 0: Memory at f4000000 (32-bit, prefetchable) [size=64M]
Region 1: I/O ports at d800 [size=256]
Region 2: Memory at f3000000 (32-bit, non-prefetchable) [size=16K]
Expansion ROM at f3fe0000 [disabled] [size=128K]
Capabilities: <available only to root>

02:03.0 FireWire (IEEE 1394): VIA Technologies, Inc. IEEE 1394 Host
Controller (rev 80) (prog-if 10 [OHCI])
Subsystem: Asustek Computer, Inc.: Unknown device 808a
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping+ SERR- FastB2B-
Status: Cap+ 66Mhz- UDF- FastB2B- ParErr- DEVSEL=medium >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32 (8000ns max), cache line size 08
Interrupt: pin A routed to IRQ 11
Region 0: Memory at f2000000 (32-bit, non-prefetchable) [size=2K]
Region 1: I/O ports at a800 [size=128]
Capabilities: <available only to root>

02:09.0 Communication controller: Altera Corporation PCI Fiber Optic Engrave
Interface (rev 02)
Subsystem: Max Daetwyler Corp PCI Fiber Optic Engrave Interface
Control: I/O+ Mem+ BusMaster+ SpecCycle- MemWINV+ VGASnoop- ParErr-
Stepping- SERR- FastB2B-
Status: Cap- 66Mhz- UDF- FastB2B- ParErr- DEVSEL=slow >TAbort- <TAbort-
<MAbort- >SERR- <PERR-
Latency: 32, cache line size 08
Interrupt: pin A routed to IRQ 10
Region 0: Memory at f1800000 (32-bit, non-prefetchable) [size=4K]


>> Jul 22 08:22:29 rti10 aksparlnx: ^I/opt/aksparlnx/drv/2.4.19/aksparlnx.o
was
>> compiled for kernel version 2.4.19
>> Jul 22 08:22:29 rti10 aksparlnx: ^Iwhile this kernel is version 2.4.20-8
>> Jul 22 08:22:29 rti10 aksparlnx: Warning: loading
>> /opt/aksparlnx/drv/2.4.19/aksparlnx.o will taint the kernel: non-GPL
>> license - Copyright 1999-2002 Aladdin Knowledge Systems.

>Is is your driver?
No, but what follows are messages that are written when the driver loads:

Jul 22 08:24:08 rti10 kernel: Installing pslengrave
Jul 22 08:24:08 rti10 kernel: PCI: Found IRQ 10 for device 02:09.0
Jul 22 08:24:08 rti10 kernel: pslengrave(0): device enabled.
Jul 22 08:24:08 rti10 kernel:
Jul 22 08:24:08 rti10 kernel:
*-----------------------------------------------------------------------*
Jul 22 08:24:08 rti10 kernel: Installing /dev/pslengrave0
Jul 22 08:24:08 rti10 kernel: Test Driver 26 Version: %%W%% %%G%%, MDC,
Inc.
Jul 22 08:24:08 rti10 kernel: Device Rev ID: 02
Jul 22 08:24:08 rti10 kernel:
*-----------------------------------------------------------------------*
Jul 22 08:24:08 rti10 kernel: pslengrave: major number: 121

>Have you tried running the box (with your card) without any unnecessary
>devices (plugged/loaded)?

Yes.

Regards,
Kathy

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