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Old 08-12-2007, 04:40 AM   #1
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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:
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:
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:
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) 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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