On Apr 25 18:15, Sean Young wrote:
> On Sun, Apr 24, 2016 at 10:06:33PM -0600, Wade Berrier wrote:
> > Hello,
> >
> > I have a mceusb compatible transceiver that only seems to work with
> > certain computers. I'm testing this on centos7 (3.10.0) and fedora23
> > (4.4.7).
> >
> > The only difference I can see is that the working computer shows
> > "using uhci_hcd" and the non working shows "using xhci_hcd".
> >
> > Here's the dmesg output of the non-working version:
> >
> > ---------------------
> >
> > [ 217.951079] usb 1-5: new full-speed USB device number 10 using xhci_hcd
> > [ 218.104087] usb 1-5: device descriptor read/64, error -71
> > [ 218.371010] usb 1-5: config 1 interface 0 altsetting 0 endpoint 0x1 has
> > an invalid bInterval 0, changing to 32
> > [ 218.371019] usb 1-5: config 1 interface 0 altsetting 0 endpoint 0x81 has
> > an invalid bInterval 0, changing to 32
>
> That's odd. Can you post a "lsusb -vvv" of the device please?
>
Sure.
-------------------
Bus 002 Device 009: ID 1784:0006 TopSeed Technology Corp. eHome Infrared
Transceiver
Device Descriptor:
bLength 18
bDescriptorType 1
bcdUSB 2.00
bDeviceClass 0
bDeviceSubClass 0
bDeviceProtocol 0
bMaxPacketSize0 8
idVendor 0x1784 TopSeed Technology Corp.
idProduct 0x0006 eHome Infrared Transceiver
bcdDevice 1.02
iManufacturer 1 TopSeed Technology Corp.
iProduct 2 eHome Infrared Transceiver
iSerial 3 TS004RrP
bNumConfigurations 1
Configuration Descriptor:
bLength 9
bDescriptorType 2
wTotalLength 32
bNumInterfaces 1
bConfigurationValue 1
iConfiguration 0
bmAttributes 0xa0
(Bus Powered)
Remote Wakeup
MaxPower 100mA
Interface Descriptor:
bLength 9
bDescriptorType 4
bInterfaceNumber 0
bAlternateSetting 0
bNumEndpoints 2
bInterfaceClass 255 Vendor Specific Class
bInterfaceSubClass 255 Vendor Specific Subclass
bInterfaceProtocol 255 Vendor Specific Protocol
iInterface 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x01 EP 1 OUT
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 0
Endpoint Descriptor:
bLength 7
bDescriptorType 5
bEndpointAddress 0x81 EP 1 IN
bmAttributes 3
Transfer Type Interrupt
Synch Type None
Usage Type Data
wMaxPacketSize 0x0020 1x 32 bytes
bInterval 0
Device Status: 0x0001
Self Powered
-------------------
Also, here's a link to a response on the lirc list:
https://sourceforge.net/p/lirc/mailman/message/35039126/
Wade
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