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Old 08-12-2007, 05:40 AM   #1
stelek
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Registered: Dec 2006
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Unhappy Twinhan DVB-S and udev problem


Hi all,
I have a problem and I hope someone can help me here. I'm trying to run my Twinhan 1025 DVB-S card on Slackware 11. There seems to be no problem, the drives load without errors but nothing is created in /dev. Therefore I have no way of accessing my card...

The card is identified as:
Quote:
05:02.0 Multimedia video controller: Brooktree Corporation Bt878 Video Capture (rev 11)
Subsystem: Twinhan Technology Co. Ltd VisionPlus DVB card
Flags: bus master, medium devsel, latency 64, IRQ 19
Memory at f6ffe000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data
Capabilities: [4c] Power Management version 2

05:02.1 Multimedia controller: Brooktree Corporation Bt878 Audio Capture (rev 11)
Subsystem: Twinhan Technology Co. Ltd VisionPlus DVB Card
Flags: bus master, medium devsel, latency 64, IRQ 19
Memory at f6fff000 (32-bit, prefetchable) [size=4K]
Capabilities: [44] Vital Product Data
Capabilities: [4c] Power Management version 2
And after performing modprobe bt878, the dmesg shows:
Quote:
bttv: driver version 0.9.17 loaded
bttv: using 8 buffers with 2080k (520 pages) each for capture
bttv: Bt8xx card found (0).
ACPI: PCI Interrupt 0000:05:02.0[A] -> GSI 18 (level, low) -> IRQ 19
bttv0: Bt878 (rev 17) at 0000:05:02.0, irq: 19, latency: 64, mmio: 0xf6ffe000
card=113,autodetected]an VisionPlus DVB [card=113], PCI subsystem ID is 1822:0001
bttv0: gpio: en=00000000, out=00000000 in=00d500ff [init]
bttv0: using tuner=4
bttv0: add subdevice "dvb0"
bt878: AUDIO driver version 0.0.0 loaded
bt878: Bt878 AUDIO function found (0).
ACPI: PCI Interrupt 0000:05:02.1[A] -> GSI 18 (level, low) -> IRQ 19
bt878_probe: card id=[0x11822],[ Twinhan VisionPlus DVB ] has DVB functions.
bt878(0): Bt878 (rev 17) at 05:02.1, irq: 19, latency: 64, memory: 0xf6fff000
DVB: registering new adapter (bttv0).
dst(0) dst_get_device_id: Recognise [DST-03T]
dst(0) dst_get_device_id: Unsupported
dst(0) dst_check_mb86a15: Found a MB86A15 NIM
dst(0) dst_get_device_id: [DST-03T] has a [MB 86A15]
dst(0) dst_get_device_id: [DST-03T] has a [MB 86A15]
DST type flags : 0x2 ts204 0x4 symdiv 0x10 firmware version = 2
dst(0) dst_get_mac: MAC Address=[00:08:ca:1a:9d:00]
DVB: registering frontend 0 (DST DVB-S)...
and lsmod shows:
Quote:
Module Size Used by
dvb_bt8xx 13320 0
nxt6000 7560 1 dvb_bt8xx
mt352 6664 1 dvb_bt8xx
dvb_pll 12424 1 dvb_bt8xx
sp887x 7688 1 dvb_bt8xx
dst_ca 17156 1 dvb_bt8xx
dst 32276 2 dvb_bt8xx,dst_ca
or51211 8328 1 dvb_bt8xx
zl10353 6032 1 dvb_bt8xx
lgdt330x 8712 1 dvb_bt8xx
cx24110 7816 1 dvb_bt8xx
bt878 9152 2 dvb_bt8xx,dst
tuner 63224 0
bttv 170016 2 dvb_bt8xx,bt878
video_buf 20360 1 bttv
ir_common 30220 1 bttv
btcx_risc 4492 1 bttv
tveeprom 15008 1 bttv
...
dvb_core is in the kernel, by the way...

So, although there's no error reported, the card still does not work. Two things make me wonder:

1) The system does not recognize the card upon boot-up - I have to invoke modprobe manually. Is this correct?

2) http://www.linuxtv.org/wiki/index.php/Twinhan says that all Twinhans are based on LG tuner. But my card is recognizes as Bt878 and this is the driver I'm loading. Am I doing a correct thing?

So, can you please give me some ideas what could be wrong in my system? I even downloaded the latest udev from Slackware-current but it changed nothing... dvb0 still does not appear in /dev and I'm running out of ideas here...
 
  


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