[linux-dvb] Freecom USB DVB-T stick woes (reprise)

Mark Howells Mark.Howells at softoption.com
Tue Sep 5 02:20:21 CEST 2006


I wrote over the weekend describing the problems I've been having with my Freecom stick (id 14aa:022b). I've made some progress but am still struggling with the device.
 
Here's the dmesg output
  dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in cold state, will try to load a firmware
  dvb-usb: downloading firmware from file 'dvb-usb-wt220u-zl0353-01.fw'
  dvb-usbcore: registered new driver dvb_usb_dtt200u
  usb 1-2: USB disconnect, address 3
  dvb-usb: generic DVB-USB module successfully deinitialized and disconnected.
  usb 1-2: new high speed USB device using ehci_hcd and address 4
  usb 1-2: configuration #1 chosen from 1 choice
  dvb-usb: found a 'WideView WT-220U PenType Receiver (based on ZL353)' in warm state.
  dvb-usb: will use the device's hardware PID filter (table count: 15).
  DVB: registering new adapter (WideView WT-220U PenType Receiver (based on ZL353)).
  DVB: registering frontend 0 (WideView USB DVB-T)...
  input: IR-receiver inside an USB DVB receiver as /class/input/input1
  dvb-usb: schedule remote query interval to 300 msecs.
  dvb-usb: WideView WT-220U PenType Receiver (based on ZL353) successfully initialized and connected.
  dvb-usb: recv bulk message failed: -110

Basically when I attempt to tune it using a channels.conf from another system in my house I get a Tuning failure and (sometimes a kernel OOPS) with recv bulk message errors. However, if I follow the recommendations here (HYPERLINK "http://www.linuxtv.org/pipermail/linux-dvb/2006-April/009684.html"http://www.linuxtv.org/pipermail/linux-dvb/2006-April/009684.html ) and change ythe freq for BBC ONE from 641833330 to 642000000 I get a successful lock. dvbdate from the dvb-apps returns the correct date/time but scan results in a system freeze. Once tuned, all further attemps to retune the device (even to BBC ONE) result in a system freeze. Below is an extract from my (modified) channels.conf
 
BBC ONE:642000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:600:601:4173
BBC THREE:641833330:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_3_4:FEC_3_4:QAM_16:TRANSMISSION_MODE_2K:GUARD_INTERVAL_1_32:HIERARCHY_NONE:620:621:4351

lsmod shows
 
Module                  Size  Used by
nfsd                  190768  8
exportfs                4256  1 nfsd
lockd                  49460  2 nfsd
sunrpc                118208  2 nfsd,lockd
ixp400_eth             24156  0
ixp400                949188  1 ixp400_eth
dvb_usb_dtt200u         8964  0
dvb_usb                14504  1 dvb_usb_dtt200u
dvb_core               62440  1 dvb_usb
firmware_class          7008  1 dvb_usb
dvb_pll                 8292  1 dvb_usb
ext3                  109864  2
jbd                    45940  1 ext3
mbcache                 5540  1 ext3

I'm on a Linksys NSLU2 (slug) running Slugos 3.10. All software is cross compiled on a Gentoo PC. 
 
All assistance is greatly appreciated.
 
Cheers
 
Mark
 

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