I have a Tyan S1682D board (440FX Chipset) with 2 PII-266's on board. The
board has onboard uhci with 2 ports. Linux (kernel 2.4.2) is detecting
the hub, and the ports fine, but no devices are ever detected when
attached.
I understand that smp kernels have had usb problems in the past, so I
disabled apic, but this did no good. From what I can tell, the usb
controller is not getting interrupts.
With apic disabled, here is /proc/interrupts
CPU0 CPU1
0: 1012868 0 XT-PIC timer
1: 4240 0 XT-PIC keyboard
2: 0 0 XT-PIC cascade
5: 1 0 XT-PIC soundblaster
9: 13620 0 XT-PIC usb-uhci, eth0
10: 46689 0 XT-PIC aic7xxx
12: 19502 0 XT-PIC PS/2 Mouse
NMI: 0 0
LOC: 1012828 1012832
ERR: 0
As one might be able to guess, with eth0 removed, the line with usb-uhci
is all 0's. I've tried with both uhci alternatives and no luck. The usb
devices I'm using to test are an MS intellimouse and a ZipCD. Any help
is appreciated. Relevant file listings are below...
/proc/bus/usb/drivers
usbdevfs
hub
hid
usb-storage
/proc/bus/usb/devices
T: Bus=01 Lev=00 Prnt=00 Port=00 Cnt=00 Dev#= 1 Spd=12 MxCh= 2
B: Alloc= 0/900 us ( 0%), #Int= 0, #Iso= 0
D: Ver= 1.00 Cls=09(hub ) Sub=00 Prot=00 MxPS= 8 #Cfgs= 1
P: Vendor=0000 ProdID=0000 Rev= 0.00
S: Product=USB UHCI-alt Root Hub
S: SerialNumber=ef80
C:* #Ifs= 1 Cfg#= 1 Atr=40 MxPwr= 0mA
I: If#= 0 Alt= 0 #EPs= 1 Cls=09(hub ) Sub=00 Prot=00 Driver=hub
E: Ad=81(I) Atr=03(Int.) MxPS= 8 Ivl=255ms
Relevant kernel messages...
Mar 25 17:29:52 msmith kernel: usb.c: registered new driver usbdevfs
Mar 25 17:29:52 msmith kernel: usb.c: registered new driver hub
Mar 25 17:29:52 msmith kernel: uhci.c: USB UHCI at I/O 0xef80, IRQ 9
Mar 25 17:29:52 msmith kernel: uhci.c: detected 2 ports
Mar 25 17:29:52 msmith kernel: usb.c: new USB bus registered, assigned bus
number 1
Mar 25 17:29:52 msmith kernel: Product: USB UHCI-alt Root Hub
Mar 25 17:29:52 msmith kernel: SerialNumber: ef80
Mar 25 17:29:52 msmith kernel: hub.c: USB hub found
Mar 25 17:29:52 msmith kernel: hub.c: 2 ports detected
Mar 25 17:29:52 msmith kernel: usb.c: registered new driver hid
Mar 25 17:29:52 msmith kernel: Initializing USB Mass Storage driver...
Mar 25 17:29:52 msmith kernel: usb.c: registered new driver usb-storage
Mar 25 17:29:52 msmith kernel: USB Mass Storage support registered.
Relevant section of /proc/ioports...
e880-e8ff : Digital Equipment Corporation DECchip 21041 [Tulip Pass 3]
e880-e8ff : eth0
ec00-ecff : Adaptec AIC-7881U
ec00-ecfe : aic7xxx
ef80-ef9f : Intel Corporation 82371SB PIIX3 USB [Natoma/Triton II]
ef80-ef9f : usb-uhci
ffa0-ffaf : Intel Corporation 82371SB PIIX3 IDE [Natoma/Triton II]
--
Michael Smith
[EMAIL PROTECTED]
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