[linux-dvb] Errors when running dvbscan for Twinhan VisionPlus DVB-T

Manu Abraham manu at kromtek.com
Wed May 11 12:04:56 CEST 2005


Hans Gunnarsson wrote:

> Hi all!
>
> I have patched the bttv driver with Manu's "anti-freeze" patch, and am 
> using the latest CVS from dvb. The kernel is 2.6.11
>
> Compiling and loading the modules are fine, but when I try to scan it 
> returns Tuning failed!
>
> Any ideas?
>

You need to use the bttv timout patch which i posted a while back along 
with the freeze patch, for kernel = 2.6.11.
for kernel > 2.6.12-rc4 it has the freeze patch as well as the timeout 
patch.

Right now i am out of station and can't send you the patch..

> The following output on command line:
>
> hansg at muhammed:~/project/dvb_trunk/dvb-apps/util/scan>./dvbscan 
> dvb-t/se-Stockholm_Nacka
> scanning dvb-t/se-Stockholm_Nacka
> using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
> initial transponder 730000000 0 2 9 3 1 2 0
> initial transponder 754000000 0 2 9 3 1 2 0
> initial transponder 778000000 0 2 9 3 1 2 0
> initial transponder 706000000 0 2 9 3 1 2 0
> initial transponder 746000000 0 2 9 3 1 2 0
> >>> tune to: 
> 730000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 730000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
> (tuning failed)


Yep, timed out..

>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 754000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 754000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
> (tuning failed)
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 778000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
> (tuning failed)
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 706000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 706000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
> (tuning failed)
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 746000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
>
> WARNING: >>> tuning failed!!!
> >>> tune to: 
> 746000000:INVERSION_AUTO:BANDWIDTH_8_MHZ:FEC_2_3:FEC_AUTO:QAM_64:TRANSMISSION_MODE_8K:GUARD_INTERVAL_1_8:HIERARCHY_NONE 
> (tuning failed)
> WARNING: >>> tuning failed!!!
> ERROR: initial tuning failed
> dumping lists (0 services)
> Done.
>
>
>
>
> the interesting parts of dmesg:
>
> videodev: unsupported module, tainting kernel.
> Linux video capture interface: v1.00
> tveeprom: unsupported module, tainting kernel.
> btcx_risc: unsupported module, tainting kernel.
> v4l2_common: unsupported module, tainting kernel.
> video_buf: unsupported module, tainting kernel.
> bttv: unsupported module, tainting kernel.
> bttv: driver version 0.9.15 loaded
> bttv: using 8 buffers with 2080k (520 pages) each for capture
> bttv: Bt8xx card found (0).
> ACPI: PCI interrupt 0000:06:02.0[A] -> GSI 18 (level, low) -> IRQ 217
> bttv0: Bt878 (rev 17) at 0000:06:02.0, irq: 217, latency: 32, mmio: 
> 0xdfefe000
> bttv0: detected: Twinhan VisionPlus DVB-T [card=113], PCI subsystem ID 
> is 1822:0001
> bttv0: using: Twinhan DST + clones [card=113,insmod option]
> bttv0: gpio: en=00000000, out=00000000 in=00f500fd [init]
> bttv0: using tuner=4
> tuner: unsupported module, tainting kernel.
> bttv0: add subdevice "dvb0"
> or51211: unsupported module, tainting kernel.
> cx24110: unsupported module, tainting kernel.
> dvb_core: unsupported module, tainting kernel.
> bt878: unsupported module, tainting kernel.
> bt878: AUDIO driver version 0.0.0 loaded
> bt878: Bt878 AUDIO function found (0).
> ACPI: PCI interrupt 0000:06:02.1[A] -> GSI 18 (level, low) -> IRQ 217
> bt878(0): Bt878 (rev 17) at 06:02.1, irq: 217, latency: 32, memory: 
> 0xdfeff000
> dst: unsupported module, tainting kernel.
> dst_ca: unsupported module, tainting kernel.
> sp887x: unsupported module, tainting kernel.
> mt352: unsupported module, tainting kernel.
> nxt6000: unsupported module, tainting kernel.
> dvb_bt8xx: unsupported module, tainting kernel.
> DVB: registering new adapter (bttv0).
> dst_get_device_id: Recognise [DTT-CI]
> DST type : terrestrial
> DST type flags : 0x2 ts204 0x10 firmware version = 2
> DVB: registering frontend 0 (DST DVB-T)...
> read_dst: read_dst error (err == -5, len == 0x01, b0 == 0xf7)
> dst_error_recovery: Trying to return from previous errors...
> read_dst: read_dst error (err == -5, len == 0x01, b0 == 0xf7)
> dst_error_recovery: Trying to return from previous errors...
> dst_error_bailout: Trying to bailout from previous error...
> dst_write_tuna: read verify not successful.


No doubts that it timed out.


Manu.





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