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SubjectRe: VAIO IRQ assignment problem of USB controller
On Thu, Jan 24, 2002 at 05:34:21PM -0800, Brian Lavender wrote:
> I have a Sony VAIO PCG-GR170K laptop with a memory stick which operates
> off of the USB controller with device ID 00:1d.2. The laptop has a total
> of three USB controllers. The first two are getting IRQ's, but the third
> one is not. Under Win2k, it assigns all three USB controllers IRQ 9. I
> checked the bios for USB options, and the only option I could find is to
> set a "Non PNP" OS. I found no other USB options. I am currently using
> kernel 2.4.9 from Redhat compiled from the source RPM. I am guessing
> that this must be a problem somewhere in the PCI IRQ configuration.
> Any other suggestions aside from downloading 2.4.17?

I downloaded the 2.4.17-pre3 kernel from Redhat's site with their patches,
and I compiled it. Still having the same problem with the IRQ. Below is
what I get from lspci and dmesg. This time I did not pass the kernel
pci=biosirq which I had done in the past. Is this something that the
bios just isn't reporting or is there some sort of fix I can do?

$ lspci -vv

00:1d.0 USB Controller: Intel Corporation: Unknown device 2482 (rev 01) (prog-if 00 [UHCI])
Subsystem: Sony Corporation: Unknown device 80e7
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 9
Region 4: I/O ports at 1800 [size=32]

00:1d.1 USB Controller: Intel Corporation: Unknown device 2484 (rev 01) (prog-if 00 [UHCI])
Subsystem: Sony Corporation: Unknown device 80e7
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 9
Region 4: I/O ports at 1820 [size=32]

00:1d.2 USB Controller: Intel Corporation: Unknown device 2487 (rev 01) (prog-if 00 [UHCI])
Subsystem: Sony Corporation: Unknown device 80e7
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 0
Region 4: I/O ports at 1840 [size=32]

and the kernel messages give me:

usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
usb-uhci.c: $Revision: 1.268 $ time 11:43:41 Jan 24 2002
usb-uhci.c: High bandwidth mode enabled
PCI: Found IRQ 9 for device 00:1d.0
PCI: Setting latency timer of device 00:1d.0 to 64
usb-uhci.c: USB UHCI at I/O 0x1800, IRQ 9
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 2 ports detected
PCI: Found IRQ 9 for device 00:1d.1
PCI: Setting latency timer of device 00:1d.1 to 64
usb-uhci.c: USB UHCI at I/O 0x1820, IRQ 9
usb-uhci.c: Detected 2 ports
usb.c: new USB bus registered, assigned bus number 2
hub.c: USB hub found
hub.c: 2 ports detected
PCI: No IRQ known for interrupt pin C of device 00:1d.2. Please try using pci=biosirq.
usb-uhci.c: found UHCI device with no IRQ assigned. check BIOS settings!
usb-uhci.c: v1.268:USB Universal Host Controller Interface driver

--
Brian Lavender
http://www.brie.com/brian/
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