[mythtv-users] Twinhan problems

Mikael Bergman mb at abc.se
Tue Jan 23 13:47:06 UTC 2007


Trying again since I received no reply the first (eg accidentaly three ;-)
times.

/Mikael

On 1/23/07, Mikael Bergman <mb at abc.se> wrote:
>
> Ok, first post to the list.
>
> I'm setting up my first Myth-system and have run into tons of problems.
> I'm now trying to sort it all out though I'm not sure I'm attacking them in
> the right order. Here goes...
>
> Ubuntu 6.10 with Myth 0.20 from the distro. Backend up, frontend up. Added
> first card, a TwinhanDTV Ter-CI Split (as I'm in Sweden trying to use DVB-T
> with Boxer). Scanned for channels and found all channels ok. Here starts my
> problems. I can only get a lock on a few channels (SVT1, SVT2 and SVT24).
> These are free-to-air but not the only free-to-air channels. I figure I have
> a bad signal (strength and/or qualtity). This seems to be confirmed since
> same card in WinXP also gives me lock-problems. But... then I borrow a
> FireDTV-card from a friend and it works perfectly (again in Windows, no
> linux drivers yet). Hmm, I figure my Twinhan card is bad and borrows another
> card from my friend - an identical Twinhan-card. This card gives me only
> lock on another channel (TV4) and when I insert my first card again that
> card can't lock on any channel.
>
> Sigh. Where to start?
>
> dmesg:
> [17179592.884000] bttv: driver version 0.9.16 loaded
> [17179592.884000] bttv: using 8 buffers with 2080k (520 pages) each for
> capture
> [17179592.884000] bttv: Bt8xx card found (0).
> [17179592.884000] ACPI: PCI Interrupt 0000:02:07.0[A] -> Link [LNKB] ->
> GSI 19 (level, low) -> IRQ 201
> [17179592.884000] bttv0: Bt878 (rev 17) at 0000:02:07.0, irq: 201,
> latency: 64, mmio: 0xea7fe000
> [ 17179592.884000 ] bttv0: detected: Twinhan VisionPlus DVB [card=113],
> PCI subsystem ID is 1822:0001
> [17179592.884000] bttv0: using: Twinhan DST + clones
> [card=113,autodetected]
> [17179592.884000] bttv0: gpio: en=00000000, out=00000000 in=00f783fd
> [init]
> [17179592.884000] bttv0: using tuner=4
> [17179592.924000] bttv0: add subdevice "dvb0"
> [17179592.924000] bttv: Bt8xx card found (1).
> [17179592.924000] ACPI: PCI Interrupt Link [LNKD] enabled at IRQ 18
> [17179592.924000] ACPI: PCI Interrupt 0000:02:09.0[A] -> Link [LNKD] ->
> GSI 18 (level, low) -> IRQ 209
> [17179592.924000] bttv1: Bt878 (rev 17) at 0000:02:09.0, irq: 209,
> latency: 64, mmio: 0xea7fc000
> [ 17179592.924000 ] bttv1: detected: Twinhan VisionPlus DVB [card=113],
> PCI subsystem ID is 1822:0001
> [17179592.924000] bttv1: using: Twinhan DST + clones
> [card=113,autodetected]
> [17179592.924000] bttv1: gpio: en=00000000, out=00000000 in=00f500fd
> [init]
> [17179592.924000] bttv1: using tuner=4
> [17179592.932000] bttv1: add subdevice "dvb1"
> [17179592.964000] agpgart: Detected AGP bridge 0
> [17179592.964000] agpgart: Setting up Nforce3 AGP.
> [17179592.968000 ] agpgart: AGP aperture is 128M @ 0xf0000000
> [17179592.988000] nvidia: module license 'NVIDIA' taints kernel.
> [17179592.992000] ACPI: PCI Interrupt Link [LNKE] enabled at IRQ 17
> [17179592.992000] ACPI: PCI Interrupt 0000:01: 00.0[A] -> Link [LNKE] ->
> GSI 17 (level, low) -> IRQ 217
> [17179592.992000] NVRM: loading NVIDIA Linux x86 Kernel Module  1.0-8776
> Mon Oct 16 21:56:04 PDT 2006
> [17179593.348000] bt878: AUDIO driver version 0.0.0 loaded
> [17179593.348000] bt878: Bt878 AUDIO function found (0).
> [17179593.348000] ACPI: PCI Interrupt 0000:02:07.1[A] -> Link [LNKB] ->
> GSI 19 (level, low) -> IRQ 201
> [17179593.348000] bt878_probe: card id=[0x11822],[ Twinhan VisionPlus DVB
> ] has DVB functions.
> [17179593.348000] bt878(0): Bt878 (rev 17) at 02:07.1, irq: 201, latency:
> 64, memory: 0xea7ff000
> [17179593.348000] bt878: Bt878 AUDIO function found (1).
> [17179593.348000] ACPI: PCI Interrupt 0000:02:09.1[A] -> Link [LNKD] ->
> GSI 18 (level, low) -> IRQ 209
> [17179593.348000] bt878_probe: card id=[0x11822],[ Twinhan VisionPlus DVB
> ] has DVB functions.
> [17179593.348000] bt878(1): Bt878 (rev 17) at 02:09.1, irq: 209, latency:
> 64, memory: 0xea7fd000
> [17179593.404000] NET: Registered protocol family 17
> [17179593.416000] ACPI: PCI Interrupt Link [LAUI] enabled at IRQ 20
> [17179593.416000] ACPI: PCI Interrupt 0000:00:06.0[A] -> Link [LAUI] ->
> GSI 20 (level, low) -> IRQ 193
> [17179593.416000] PCI: Setting latency timer of device 0000:00: 06.0 to 64
> [17179593.524000] ts: Compaq touchscreen protocol output
> [17179593.736000] intel8x0_measure_ac97_clock: measured 58628 usecs
> [17179593.736000] intel8x0: clocking to 47033
> [17179593.840000] lp0: using parport0 (interrupt-driven).
> [17179593.876000] ieee1394: sbp2: Driver forced to serialize I/O
> (serialize_io=1)
> [17179593.876000] ieee1394: sbp2: Try serialize_io=0 for better
> performance
> [17179594.048000] DVB: registering new adapter (bttv0).
> [17179594.336000] dst_get_device_id: Recognise [DTT-CI]
> [17179594.336000]
> [17179594.336000] DST type flags : 0x1 newtuner 0x2 ts204 0x10 firmware
> version = 2
> [17179594.396000] dst_get_mac: MAC Address=[00:08:ca:14:0f:00]
> [17179594.444000] dst_ca_attach: registering DST-CA device
> [17179594.444000] DVB: registering frontend 0 (DST DVB-T)...
> [17179594.448000] DVB: registering new adapter (bttv1).
> [17179594.488000] NET: Registered protocol family 10
> [17179594.488000] lo: Disabled Privacy Extensions
> [17179594.488000] IPv6 over IPv4 tunneling driver
> [17179594.832000] dst_probe: unknown device.
> [17179594.832000] frontend_init: Could not find a Twinhan DST.
> [17179594.832000] dvb-bt8xx: A frontend driver was not found for device
> 109e/0878 subsystem 1822/0001
>
> The last three rows worries me somewhat.
>
> I also get *lots* of these in mythbackend.log:
> [...]
> 2007-01-22 20:07: 54.704 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.748 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.796 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.844 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.888 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.928 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:54.972 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:55.012 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:55.060 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:55.192 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> 2007-01-22 20:07:55.252 DVB#0 CA Error: CAM supports no CA systems! (Slot
> #0)
> [...]
>

-- 
Mikael Bergman
http://mikaelbergman.se
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