Eth fail: Xfi Surrond 5.1 USB device & Dell U2412M powerhub

[mastier]

Hi ppl,

I just discovered that actually I can use my powered usb hub in my Dell U2412M display. I wanted to attach the external soundcard Sound Blaster X-Fi Surround 5.1. The screen manufacturer claims the 2.5W power for each one of the 4 downstream ports.

First then I hooked up the soundcard directly it was resetting round and round. When I attached to the powerhub it starts working.Then attach my keyboard Logitech UltraFlatX. Everything is fine untl the moment I attach my mouse, Razer Salmosa. Doesn't matter if I put the cable directly to the board or the screenhub, when soundcard is attached it causes ethernet card to fail (visible in dmesg below). Both keyboard and mouse works perfectly with Ethernet but only when this soundcard isn't attached. I couldn't have found power consumption information about the soundcard unfortunately, Creative isn't very verbose about this product.
I also tried different device, the IR remote controler receiver. The result was similar. The Ethernet card started to be unresponsive. But not that much like with the mouse, it responded with one ping.

Code: Select all

[ 4054.046593] usb 1-1.2.4: new low speed USB device number 47 using dwc_otg
[ 4054.153716] usb 1-1.2.4: New USB device found, idVendor=18b1, idProduct=0037
[ 4054.153757] usb 1-1.2.4: New USB device strings: Mfr=3, Product=1, SerialNumber=0
[ 4054.153779] usb 1-1.2.4: Product: irMAKbd pl
[ 4054.153804] usb 1-1.2.4: Manufacturer: ELMAK.pl
[ 4054.344843] petalynx 0003:18B1:0037.0021: fixing up Petalynx Maxter Remote report descriptor
[ 4054.396583] input: ELMAK.pl irMAKbd pl as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.4/1-1.2.4:1.0/input/input32
[ 4054.408296] petalynx 0003:18B1:0037.0021: input,hiddev0: USB HID v1.00 Mouse [ELMAK.pl irMAKbd pl] on usb-bcm2708_usb-1.2.4/input0
[ 4059.449050] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 4066.066709] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 4071.066940] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000118
[ 4076.066970] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 4081.067145] smsc95xx 1-1.1:1.0: eth0: Failed to write register index 0x00000114
[ 4086.067368] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 4091.067361] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000118
[ 4097.287642] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 4102.287818] smsc95xx 1-1.1:1.0: eth0: Failed to write register index 0x00000114

Is this some USB specific situation or bug in Ethernet card or USB bus in Rpi ?

Code: Select all

[ 3132.192380] usb 1-1.2.2: new full speed USB device number 31 using dwc_otg
[ 3132.295867] usb 1-1.2.2: New USB device found, idVendor=041e, idProduct=3042
[ 3132.295907] usb 1-1.2.2: New USB device strings: Mfr=1, Product=2, SerialNumber=3
[ 3132.295929] usb 1-1.2.2: Product: SB X-Fi Surround 5.1
[ 3132.295956] usb 1-1.2.2: Manufacturer: Creative Technology
[ 3132.295975] usb 1-1.2.2: SerialNumber: 000001ZK
[ 3134.771212] usb 1-1.2.3: USB disconnect, device number 29
[ 3140.892518] usb 1-1.2.1: new low speed USB device number 32 using dwc_otg
[ 3141.022598] usb 1-1.2.1: New USB device found, idVendor=046d, idProduct=c30e
[ 3141.022647] usb 1-1.2.1: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3141.022669] usb 1-1.2.1: Product: HID compliant keyboard
[ 3141.022685] usb 1-1.2.1: Manufacturer: Logitech
[ 3141.046237] input: Logitech HID compliant keyboard as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.1/1-1.2.1:1.0/input/input19
[ 3141.048709] generic-usb 0003:046D:C30E.0014: input: USB HID v1.10 Keyboard [Logitech HID compliant keyboard] on usb-bcm2708_usb-1.2.1/input0
[ 3141.075021] input: Logitech HID compliant keyboard as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.1/1-1.2.1:1.1/input/input20
[ 3141.076174] generic-usb 0003:046D:C30E.0015: input: USB HID v1.10 Device [Logitech HID compliant keyboard] on usb-bcm2708_usb-1.2.1/input1
[ 3169.563206] usb 1-1.2.3: new full speed USB device number 33 using dwc_otg
[ 3169.666387] usb 1-1.2.3: New USB device found, idVendor=1532, idProduct=0012
[ 3169.666436] usb 1-1.2.3: New USB device strings: Mfr=1, Product=2, SerialNumber=0
[ 3169.666457] usb 1-1.2.3: Product: Razer Salmosa
[ 3169.666472] usb 1-1.2.3: Manufacturer: Razer
[ 3169.681465] input: Razer Razer Salmosa as /devices/platform/bcm2708_usb/usb1/1-1/1-1.2/1-1.2.3/1-1.2.3:1.0/input/input21
[ 3169.693237] generic-usb 0003:1532:0012.0016: input: USB HID v1.11 Mouse [Razer Razer Salmosa] on usb-bcm2708_usb-1.2.3/input0
[ 3175.363742] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 3275.916110] smsc95xx 1-1.1:1.0: eth0: Failed to write register index 0x00000114
[ 3280.916205] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114
[ 3285.916347] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000118
[ 3290.916447] smsc95xx 1-1.1:1.0: eth0: Failed to read register index 0x00000114

[kadamski]

First of all it would be good to test if it's a problem when you connect third device to USB hub or if it's a problem when you connect one particular device. Then it would be good idea to test the voltage between TP1 and TP2 to see if it's in spec (4.75V to 5.25V) after connecting each device. Then you could check voltage on the USB hub ports to see if they are higher (maybe your HUB is not being powered for some reason for example).