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Tak se mi podarilo dostat debug spravy. A ovladac skutecne detekuje chip tuner FCi2580. Tady je vystup

usb 2-9: new high speed USB device using ehci_hcd and address 3

usb 2-9: New USB device found, idVendor=1d19, idProduct=1101

usb 2-9: New USB device strings: Mfr=1, Product=2, SerialNumber=3

usb 2-9: Product: Rtl2832UDVB

usb 2-9: Manufacturer: Realtek

usb 2-9: SerialNumber: 0

check for warm bda 2832

check for warm 13d3 3274

check for warm 1b80 d396

check for warm 1d19 1101

dvb-usb: found a 'DK DVBT DONGLE' in warm state.

power control: 1

dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

all in all I will use 40960 bytes for streaming

allocating buffer 0

buffer 0: ffff8800a7b45000 (dma: 2813612032)

allocating buffer 1

buffer 1: ffff8800ba965000 (dma: 3130413056)

allocating buffer 2

buffer 2: ffff8800a790f000 (dma: 2811293696)

allocating buffer 3

buffer 3: ffff8800baa86000 (dma: 3131596800)

allocating buffer 4

buffer 4: ffff8800ba987000 (dma: 3130552320)

allocating buffer 5

buffer 5: ffff8800ba9c6000 (dma: 3130810368)

allocating buffer 6

buffer 6: ffff8800a7a9d000 (dma: 2812923904)

allocating buffer 7

buffer 7: ffff8800a7838000 (dma: 2810413056)

allocating buffer 8

buffer 8: ffff8800ba8a9000 (dma: 3129643008)

allocating buffer 9

buffer 9: ffff8800ba98c000 (dma: 3130572800)

allocation successful

DVB: registering new adapter (DK DVBT DONGLE)

+rtl2832u_fe_attach

-rtl2832u_fe_attach

DVB: registering adapter 1 frontend 0 (Realtek RTL2832 DVB-T RTL2836 DTMB)...

power control: 0

dvb-usb: DK DVBT DONGLE successfully initialized and connected.

check for warm bda 2832

check for warm 13d3 3274

check for warm 1b80 d396

check for warm 1d19 1101

dvb-usb: found a 'DK DVBT DONGLE' in warm state.

power control: 1

dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.

all in all I will use 40960 bytes for streaming

allocating buffer 0

buffer 0: ffff8800a7962000 (dma: 2811633664)

allocating buffer 1

buffer 1: ffff8800a7963000 (dma: 2811637760)

allocating buffer 2

buffer 2: ffff8800a7964000 (dma: 2811641856)

allocating buffer 3

buffer 3: ffff8800a7965000 (dma: 2811645952)

allocating buffer 4

buffer 4: ffff8800a7966000 (dma: 2811650048)

allocating buffer 5

buffer 5: ffff8800a7967000 (dma: 2811654144)

allocating buffer 6

buffer 6: ffff8800a7830000 (dma: 2810380288)

allocating buffer 7

buffer 7: ffff8800a7831000 (dma: 2810384384)

allocating buffer 8

buffer 8: ffff8800a7832000 (dma: 2810388480)

allocating buffer 9

buffer 9: ffff8800a7833000 (dma: 2810392576)

allocation successful

DVB: registering new adapter (DK DVBT DONGLE)

+rtl2832u_fe_attach

-rtl2832u_fe_attach

DVB: registering adapter 2 frontend 0 (Realtek RTL2832 DVB-T RTL2836 DTMB)...

power control: 0

dvb-usb: DK DVBT DONGLE successfully initialized and connected.

usbcore: registered new interface driver dvb_usb_rtl2832u

rtl2832_ts_bus_ctrl : Do Nothing

rtl2832_ts_bus_ctrl : Do Nothing

rtl2832_ts_bus_ctrl : Do Nothing

rtl2832_ts_bus_ctrl : Do Nothing

rtl2832_ts_bus_ctrl : Do Nothing

power control: 1

+rtl2832_init

+usb_init_setting

+usb_init_bulk_setting

HIGH SPEED

-usb_init_bulk_setting

+usb_epa_fifo_reset

-usb_epa_fifo_reset

-usb_init_setting

+gpio3_out_setting

-gpio3_out_setting

+demod_ctl1_setting

-demod_ctl1_setting

+suspend_latch_setting

-suspend_latch_setting

+demod_ctl_setting

-demod_ctl_setting

+set_tuner_power

-set_tuner_power

+check_tuner_type

error!! read_rtl2832_tuner_register: ret=-32, DA=0xc0, len=1, offset=0x0, data=(0x33,)

-check_tuner_type : FC2580 tuner on board...

+check_dtmb_support

+set_demod_2836_power onoff = 1

error!! read_rtl2832_demod_register: ret=-32, DA=0x3e, len=1, page=0, offset=0x1, data=(0xff,)

-set_demod_2836_power onoff = 1 fail

error!! read_rtl2832_demod_register: ret=-32, DA=0x3e, len=2, page=5, offset=0x10, data=(0x1,0x0,)

-check_dtmb_support RTL2836 NOT FOUND.....

+set_demod_2836_power onoff = 0

error!! read_rtl2832_demod_register: ret=-32, DA=0x3e, len=1, page=0, offset=0x1, data=(0xff,)

-set_demod_2836_power onoff = 0 fail

demod_type is 0

+build_nim_module

-build_nim_module

+demod_init_setting

demod_init_setting for RTL2832

-demod_init_setting

BUG: unable to handle kernel NULL pointer dereference at (null)

IP: [<(null)>] (null)

PGD 2c19c067 PUD 2c235067 PMD 0

Oops: 0010 [#1] SMP

last sysfs file: /sys/devices/system/cpu/cpu3/cache/index2/shared_cpu_map

CPU 3

Pid: 6534, comm: kdvb-ad-2-fe-0 Tainted: P 2.6.33.7-desktop-1mnb #1 M4N68T Pro/System Product Name

RIP: 0010:[<0000000000000000>] [<(null)>] (null)

RSP: 0018:ffff8800a1221c88 EFLAGS: 00010286

RAX: ffff8800a1ccc530 RBX: ffff8800a1ccc600 RCX: 0000000000000002

RDX: ffff8800a1221ca0 RSI: 00000000000000ac RDI: ffff8800a1ccc530

RBP: ffff8800a1221c90 R08: ffff8800a1221ca0 R09: 0000000000000000

R10: 0000000000000000 R11: 0000000000000246 R12: ffff8800a1ccc598

R13: 0000000000000001 R14: 0000000000004000 R15: ffff8800a1221dac

FS: 00007fcf2778b710(0000) GS:ffff8800054c0000(0000) knlGS:00000000f5f416d0

CS: 0010 DS: 0000 ES: 0000 CR0: 000000008005003b

CR2: 0000000000000000 CR3: 000000002c2d4000 CR4: 00000000000006e0

DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000

DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400

Process kdvb-ad-2-fe-0 (pid: 6534, threadinfo ffff8800a1220000, task ffff8800a1c8ace0)

Stack:

ffffffffa13fc756 ffff8800a1221cb0 ffffffffa1408c97 ffff8800a1220000

<0> ffff8800a1221dac ffff8800a1221ce0 ffffffffa14097d2 ffff8800a1ccc600

<0> ffff8800a1ccc518 ffff8800a1ccc598 ffff8800a1221db0 ffff8800a1221cf0

Call Trace:

[<ffffffffa13fc756>] ? rtl2832_ForwardI2cWritingCmd+0x26/0x30 [dvb_usb_rtl2832u]

[<ffffffffa1408c97>] fc2580_i2c_write+0x27/0x40 [dvb_usb_rtl2832u]

[<ffffffffa14097d2>] fc2580_set_init+0x22/0x1c0 [dvb_usb_rtl2832u]

[<ffffffffa14099a7>] fc2580_Initialize+0x37/0x50 [dvb_usb_rtl2832u]

[<ffffffffa1400a1f>] rtl2832_fc2580_Initialize+0x5f/0x170 [dvb_usb_rtl2832u]

[<ffffffffa14052b8>] rtl2832_init+0xc68/0x1560 [dvb_usb_rtl2832u]

[<ffffffffa14033d0>] ? custom_wait_ms+0x0/0x20 [dvb_usb_rtl2832u]

[<ffffffffa03782e0>] ? dvb_frontend_thread+0x0/0x750 [dvb_core]

[<ffffffffa0404522>] dvb_usb_fe_wakeup+0x42/0x50 [dvb_usb]

[<ffffffffa0376fbc>] dvb_frontend_init+0x2c/0xa0 [dvb_core]

[<ffffffffa0378368>] dvb_frontend_thread+0x88/0x750 [dvb_core]

[<ffffffffa03782e0>] ? dvb_frontend_thread+0x0/0x750 [dvb_core]

[<ffffffff81076b96>] kthread+0x96/0xa0

[<ffffffff8100ae64>] kernel_thread_helper+0x4/0x10

[<ffffffff81076b00>] ? kthread+0x0/0xa0

[<ffffffff8100ae60>] ? kernel_thread_helper+0x0/0x10

Code: Bad RIP value.

RIP [<(null)>] (null)

RSP <ffff8800a1221c88>

CR2: 0000000000000000

---[ end trace edaf204119862ebc ]---

Inicializace probehne bez problemu. Problem nastavana pri skenovani, respektive ladeni, kanalu. Zjevne ovladac precte z registru chipu jine hodnoty nez ocekava a typ padem neumi poslat spravny komand tuneru.

Co se tim da udelat?

Kde se da nahlasit chyba V4L?