[mythtv-users] USB IR Receivers

[Kirk Bocek]

On 9/3/2015 12:27 PM, Kirk Bocek wrote:
>
>
> After unplugging and plugging:
>
> $tree /sys/bus/usb/drivers/usbhid/
> /sys/bus/usb/drivers/usbhid/
> âââ bind
> âââ module -> ../../../../module/usbhid
> âââ new_id
> âââ remove_id
> âââ uevent
>

Next problem. modprobing my new mceusb.ko yields a kernel crash of some 
sort:

$modprobe -v mceusb
insmod 
/lib/modules/4.1.5-100.fc21.x86_64/kernel/drivers/media/rc/rc-core.ko.xz
insmod 
/lib/modules/4.1.5-100.fc21.x86_64/kernel/drivers/media/rc/mceusb.ko.xz
Killed

$dmesg
...
[  163.692148] mceusb: module verification failed: signature and/or 
required key missing - tainting kernel
[  163.730477] Registered IR keymap rc-rc6-mce
[  163.730711] input: Media Center Ed. eHome Infrared Remote Transceiver 
(0471:20cc) as 
/devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/rc/rc0/input8
[  163.731422] rc0: Media Center Ed. eHome Infrared Remote Transceiver 
(0471:20cc) as /devices/pci0000:00/0000:00:14.0/usb1/1-2/1-2:1.0/rc/rc0
[  163.746365] BUG: unable to handle kernel NULL pointer dereference at 
0000000000000003
[  163.746457] IP: [<ffffffffa064a129>] usb_endpoint_xfer_int+0x10/0x25 
[mceusb]
[  163.746532] PGD 5b2c7067 PUD 5b056067 PMD 0
[  163.746585] Oops: 0000 [#1] SMP
...
[  163.747019] RIP  [<ffffffffa064a129>] usb_endpoint_xfer_int+0x10/0x25 
[mceusb]
[  163.747019]  RSP <ffff88005b3ab8b0>
[  163.747019] CR2: 0000000000000003
[  163.750728] ---[ end trace 911747797fb9ba63 ]---
[  163.764782] IR RC5(x/sz) protocol handler initialized
[  163.764932] IR JVC protocol handler initialized
[  163.770962] IR SANYO protocol handler initialized
[  163.774233] IR RC6 protocol handler initialized
[  163.777510] IR Sony protocol handler initialized
[  163.780984] IR Sharp protocol handler initialized
[  163.785040] lirc_dev: IR Remote Control driver registered, major 248
[  163.790149] IR NEC protocol handler initialized
[  163.793898] IR XMP protocol handler initialized
[  163.797481] input: MCE IR Keyboard/Mouse (mceusb) as 
/devices/virtual/input/input9
[  163.802209] IR MCE Keyboard/mouse protocol handler initialized
[  163.809089] rc rc0: lirc_dev: driver ir-lirc-codec (mceusb) 
registered at minor = 0
[  163.812088] IR LIRC bridge handler initialized

$ir-keytable
Found /sys/class/rc/rc0/ (/dev/input/event7) with:
         Driver mceusb, table rc-rc6-mce
         Supported protocols: NEC RC-5 RC-6 JVC SONY SANYO LIRC RC-5-SZ 
SHARP XMP other
         Enabled protocols: RC-6
         Name: Media Center Ed. eHome Infrared
         bus: 3, vendor/product: 0471:20cc, version: 0x0101
         Repeat delay = 500 ms, repeat period = 125 ms

Lirc driver set to default and 'systemctl restart lircd' was issued. 
/dev/lirc0 is present. But still no output from irw or ir-keytable -t