[linux-dvb] Re: /dev/dvb empty

[Brendan Bispham <brendan.lists@black-and-blue.com>]

Hi Alex,

> Plug in DEC powered off
> rmmod ttusb-dec
> modprobe ttusb-dec debug=1
> Power on DEC

>lsmod
Module                  Size  Used by
>lsusb
Unknown line at line 1809
Duplicate HUT Usage Spec at line 2650
Bus 001 Device 002: ID 09da:0006 A4 Tech Co., Ltd. 
Bus 001 Device 001: ID 0000:0000 Virtual Hub
>modprobe ttusb_dec debug=1
>lsmod
Module                  Size  Used by
ttusb_dec              19972  0 
dvb_core               56724  1 ttusb_dec
firmware_class          6912  1 ttusb_dec

#powered on

>
> and let us know what appears in your kernel logs.
Jan 19 10:35:07 vinnie2 kernel: hub 1-0:1.0: new USB device on port 2, 
assigned 
address 3
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_probe
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_init_usb
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_alloc_iso_urbs
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_setup_urbs
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_init_stb
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_send_command
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_send_command: command: 0xAA 0x01 
0x08 0x00 
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_send_command: result: 0x55 0x01 0x08 
0x10 0x00 0x00 0x00 0x00 0x12 0x34 0x56 0x78 0xAB 0xCD 0xEF 0xAB 0x00 0x00 
0x00 0x00 
Jan 19 10:35:07 vinnie2 kernel: ttusb_dec_boot_dsp
Jan 19 10:35:17 vinnie2 kernel: ttusb_dec_exit_usb
Jan 19 10:35:17 vinnie2 kernel: ttusb_dec_free_iso_urbs

#checked on TV and remote control works

Is some previous log stuff relevant, Google doesnt seem to help:
Jan 19 10:15:45 vinnie2 kernel: devfs_mk_cdev: could not append to parent for 
vcc/2
Jan 19 10:15:45 vinnie2 kernel: devfs_mk_cdev: could not append to parent for 
vcc/a2
Jan 19 10:15:45 vinnie2 kernel: devfs_mk_cdev: could not append to parent for 
vcc/3
Jan 19 10:15:45 vinnie2 kernel: devfs_mk_cdev: could not append to parent for 
vcc/a3

I was trying out ttusb-dec v. ttusb_dec and noticed this error:
Jan 19 10:49:09 vinnie2 kernel: drivers/usb/core/usb.c: deregistering driver 
TechnoTrend/Hauppauge DEC USB
Jan 19 10:49:09 vinnie2 kernel: ttusb_dec_disconnect
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_probe
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_init_usb
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_alloc_iso_urbs
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_setup_urbs
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_init_stb
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_send_command
Jan 19 10:49:19 vinnie2 kernel: ttusb_dec_send_command: command: 0xAA 0x01 
0x08 0x00 
Jan 19 10:49:20 vinnie2 kernel: usb 1-2: bulk timeout on ep4in
Jan 19 10:49:20 vinnie2 kernel: ttusb_dec_send_command: result bulk message 
failed: error -110
Jan 19 10:49:20 vinnie2 kernel: ttusb_dec_exit_usb
Jan 19 10:49:20 vinnie2 kernel: ttusb_dec_free_iso_urbs



>
> As for the hotplug stuff, I develop the driver on Gentoo with a 2.6 kernel,
> and hotplug has just worked since version 20030805-r3 of the package. 
> libdvb won't build, presumably because the gentoo linux-headers package is
> so old. It's not hard to build it yourself though.

I'll get back to you on that :)

Thanks,



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