On Sunday 02 Jun 2002 11:55 pm, Johannes Erdfelt wrote:
> Timeout's typically are caused by IRQ routing problems. What's PCI
> device 00:09.0?
dogfox:/home/will# cat /proc/pci
PCI devices found:
Bus 0, device 0, function 0:
Host bridge: VIA Technologies, Inc. VT82C693A/694x [Apollo PRO133x] (rev
2). Prefetchable 32 bit memory at 0xe4000000 [0xe7ffffff].
Bus 0, device 1, function 0:
PCI bridge: VIA Technologies, Inc. VT82C598/694x [Apollo MVP3/Pro133x
AGP] (rev 0).
Bus 0, device 4, function 0:
ISA bridge: VIA Technologies, Inc. VT82C686 [Apollo Super South] (rev 34).
Bus 0, device 4, function 1:
IDE interface: VIA Technologies, Inc. Bus Master IDE (rev 16).
Master Capable. Latency=32.
I/O at 0xd800 [0xd80f].
Bus 0, device 4, function 2:
USB Controller: VIA Technologies, Inc. UHCI USB (rev 16).
IRQ 7.
Master Capable. Latency=32.
I/O at 0xd400 [0xd41f].
Bus 0, device 4, function 3:
USB Controller: VIA Technologies, Inc. UHCI USB (#2) (rev 16).
IRQ 7.
Master Capable. Latency=32.
I/O at 0xd000 [0xd01f].
Bus 0, device 4, function 4:
Host bridge: VIA Technologies, Inc. VT82C686 [Apollo Super ACPI] (rev 48).
IRQ 9.
Bus 0, device 9, function 0:
Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 16).
IRQ 7.
Master Capable. Latency=32. Min Gnt=32.Max Lat=64.
I/O at 0xa400 [0xa4ff].
Non-prefetchable 32 bit memory at 0xdf000000 [0xdf0000ff].
Bus 0, device 10, function 0:
Multimedia video controller: Brooktree Corporation Bt878 (rev 2).
IRQ 5.
Master Capable. Latency=32. Min Gnt=16.Max Lat=40.
Prefetchable 32 bit memory at 0xe3800000 [0xe3800fff].
Bus 0, device 10, function 1:
Multimedia controller: Brooktree Corporation Bt878 (rev 2).
IRQ 5.
Master Capable. Latency=32. Min Gnt=4.Max Lat=255.
Prefetchable 32 bit memory at 0xe3000000 [0xe3000fff].
Bus 0, device 11, function 0:
Multimedia audio controller: Ensoniq ES1371 [AudioPCI-97] (rev 8).
IRQ 10.
Master Capable. Latency=32. Min Gnt=12.Max Lat=128.
I/O at 0xa000 [0xa03f].
Bus 0, device 12, function 0:
VGA compatible controller: 3Dfx Interactive, Inc. Voodoo Banshee (rev 3).
IRQ 11.
Non-prefetchable 32 bit memory at 0xdc000000 [0xddffffff].
Prefetchable 32 bit memory at 0xe0000000 [0xe1ffffff].
I/O at 0x9800 [0x98ff].
dogfox:/home/will# cat /proc/interrupts
CPU0
0: 2790641 XT-PIC timer
1: 33596 XT-PIC keyboard
2: 0 XT-PIC cascade
4: 12022139 XT-PIC serial
5: 1 XT-PIC bttv
7: 1704 XT-PIC eth0, usb-uhci, usb-uhci
8: 5 XT-PIC rtc
10: 2544 XT-PIC es1371
12: 959922 XT-PIC PS/2 Mouse
14: 1181005 XT-PIC ide0
15: 13 XT-PIC ide1
NMI: 0
LOC: 2790533
ERR: 30
MIS: 0
I have seen it said that IRQ sharing is bad but I have not seen any resource
to tell me how to really deal with moving devices to specific IRQs. The
IO-APIC.txt in the kernel docs is impenetrable.
> I'd suggest checking out the cable, perhaps swapping it with another one
> if possible.
Not really possible, as far as I know anyway. The camera connector is not one
I have seen before.
> You may also want to try to the uhci.o driver, but I suspect this isn't
> a host software problem.
This does much the same, but I have never seen it return EILSEQ. I'm not sure
whether it can return EILSEQ.
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