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Filter timeout on DVBScan
PostPosted: Wed Feb 14, 2007 4:17 pm Reply with quote
jts
 
Joined: 14 Feb 2007
Posts: 1




My basic problem is that the card appears to get a very good signal, but upon tuning fails to get a channel. Digital QAM256 channels come in with no problem if the cable is connected directly to the TV.

This is using an HD3000 card on Gentoo 2.6.19.

I'll post my lsmod below and pertinent dmesg output.

mythtv-setup channel scans, using QAM256 and Hi-Cable will find the channels put error out saying that tables could not be found.


Code:

dvbscan -vv -5 -A2 /usr/share/dvb/scan/atsc/us-Cable-Standard-center-frequencies-QAM256
scanning /usr/share/dvb/scan/atsc/us-Cable-Standard-center-frequencies-QAM256
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'

>SNIP<

>>> tuning status == 0x00
WARNING: >>> tuning failed!!!
>>> tune to: 141000000:QAM_256
>>> tuning status == 0x00
>>> tuning status == 0x1f
WARNING: filter timeout pid 0x0000
WARNING: filter timeout pid 0x1ffb
>>> tune to: 147000000:QAM_256
>>> tuning status == 0x00
>>> tuning status == 0x00
>>> tuning status == 0x00



Meanwhile, in dmesg, once it begins to tune these appear:

Code:

cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout
cx88[0]/2: cx8802_timeout


I've tried each of the various files in /usr/share/dvb/scan/atsc/ -- a few begin to tune, but invariably, will go through the entire file finding no channels.


dtvscan does something similar -- it will hit the first channel which gets signal and begins to tune:

Code:

./dtvscan -q -c 76
dtvscan ver 1.0.4 - by Jack Kelliher (c) 2002,2005,2006
Attempting to open /dev/dtv
Opened FE:/dev/dvb/adapter0/frontend0 3
Opened DMX:/dev/dvb/adapter0/demux0 4
Opened DVR:/dev/dvb/adapter0/dvr0 5
channel = 76 QAM_256
channel = 76 QAM_64
channel = 77 QAM_256
channel = 77 QAM_64
Signal: 45
channel = 78 QAM_256
channel = 78 QAM_64
channel = 79 QAM_256
Signal: 99
look for sync



There it hangs, and the same timeouts begin to appear in dmesg. The only difference is that it will continue to look for sync until I kill the process -- I've let it go for 12 hours without it timing out.

And the firmware seems to load fine:

Code:

or51132: Waiting for firmware upload(dvb-fe-or51132-qam.fw)...
or51132: Version: 10001334-17430000 (133-4-174-3)
or51132: Firmware upload complete.


Here is my lsmod

Code:

[snd_seq_midi            3104  0
snd_emu10k1_synth       3968  0
snd_emux_synth         22400  1 snd_emu10k1_synth
snd_seq_virmidi         3072  1 snd_emux_synth
snd_seq_midi_emul       3328  1 snd_emux_synth
snd_pcm_oss            27808  0
snd_mixer_oss          10368  1 snd_pcm_oss
snd_seq_oss            20736  0
snd_seq_midi_event      3200  3 snd_seq_midi,snd_seq_virmidi,snd_seq_oss
snd_seq                28112  8 snd_seq_midi,snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq_oss,snd_seq_midi_event
snd_emu10k1            95296  1 snd_emu10k1_synth
snd_rawmidi            11168  3 snd_seq_midi,snd_seq_virmidi,snd_emu10k1
snd_ac97_codec         68516  1 snd_emu10k1
snd_pcm                44168  3 snd_pcm_oss,snd_emu10k1,snd_ac97_codec
snd_seq_device          3724  7 snd_seq_midi,snd_emu10k1_synth,snd_emux_synth,snd_seq_oss,snd_seq,snd_emu10k1,snd_rawmidi
snd_timer              11652  3 snd_seq,snd_emu10k1,snd_pcm
snd_page_alloc          4232  2 snd_emu10k1,snd_pcm
snd_util_mem            1408  2 snd_emux_synth,snd_emu10k1
snd_hwdep               3844  2 snd_emux_synth,snd_emu10k1
snd                    26980  13 snd_emux_synth,snd_seq_virmidi,snd_pcm_oss,snd_mixer_oss,snd_seq_oss,snd_seq,snd_emu10k1,snd
_rawmidi,snd_ac97_codec,snd_pcm,snd_seq_device,snd_timer,snd_hwdep
nfs                    81340  1
nfsd                   63656  13
exportfs                2944  1 nfsd
lockd                  38408  3 nfs,nfsd
sunrpc                 94652  10 nfs,nfsd,lockd
ipv6                  158816  26
rtc                     6708  0
bttv                  129332  0
lirc_i2c                5508  2
lirc_dev                8788  1 lirc_i2c
cx88_blackbird          9604  0
eth1394                11268  0
msp3400                21152  0
saa7115                10256  0
tuner                  42408  0
joydev                  5056  0
usbhid                 26464  0
nvidia               6419732  32
cx88_dvb                6020  3
cx8802                  6148  2 cx88_blackbird,cx88_dvb
cx88_vp3054_i2c         2432  1 cx88_dvb
ac97_bus                1152  1 snd_ac97_codec
mt352                   3716  1 cx88_dvb
dvb_pll                 7684  1 cx88_dvb
or51132                 7172  1 cx88_dvb
video_buf_dvb           2436  1 cx88_dvb
dvb_core               48296  1 video_buf_dvb
cx8800                 19084  1 cx88_blackbird
ivtv                  135696  1
nxt200x                10116  1 cx88_dvb
isl6421                 1152  1 cx88_dvb
cx88xx                 44324  4 cx88_blackbird,cx88_dvb,cx8802,cx8800
zl10353                 2820  1 cx88_dvb
firmware_class          4096  6 snd_emu10k1,bttv,cx88_blackbird,or51132,ivtv,nxt200x
cx24123                 8072  1 cx88_dvb
ir_common              19460  2 bttv,cx88xx
video_buf              12164  7 bttv,cx88_blackbird,cx88_dvb,cx8802,video_buf_dvb,cx8800,cx88xx
lgdt330x                5020  1 cx88_dvb
i2c_algo_bit            5000  4 bttv,cx88_vp3054_i2c,ivtv,cx88xx
compat_ioctl32           768  2 bttv,cx8800
btcx_risc               2312  4 bttv,cx8802,cx8800,cx88xx
cx2341x                 7300  2 cx88_blackbird,ivtv
cx22702                 3588  1 cx88_dvb
ohci1394               22960  0
tveeprom               10000  3 bttv,ivtv,cx88xx
videodev               19072  5 bttv,cx88_blackbird,cx8800,ivtv,cx88xx
v4l1_compat            10372  3 cx8800,ivtv,videodev
e100                   21000  0
ieee1394               50232  2 eth1394,ohci1394
v4l2_common            16512  9 bttv,cx88_blackbird,msp3400,saa7115,tuner,cx8800,ivtv,cx2341x,videodev
i2c_core                9616  20 bttv,lirc_i2c,msp3400,saa7115,tuner,nvidia,cx88_dvb,mt352,dvb_pll,or51132,ivtv,nxt200x,isl64
21,cx88xx,zl10353,cx24123,lgdt330x,i2c_algo_bit,cx22702,tveeprom
mii                     2816  1 e100
ohci_hcd               13060  0
ehci_hcd               18696  0
uhci_hcd               14216  0
intel_agp              13212  1
agpgart                14768  2 nvidia,intel_agp
usbcore                74116  5 usbhid,ohci_hcd,ehci_hcd,uhci_hcd
evdev                   4736  0


Thanks for any help!


PS: Just for giggles I tried the latest Knoppmyth, since people have reported success with that. The exact same problem with the same output.
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Filter timeout on DVBScan
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