[linux-dvb] [BUG]2.6.28 breaks dvb-usb devices FE i2c, hg 5bfadacec8a2 mchehab

[linux-dvb] [BUG]2.6.28 breaks dvb-usb devices FE i2c, hg 5bfadacec8a2 mchehab

[thomas schorpp]

hi,

usb 2-2: Product: TvTUNER
usb 2-2: Manufacturer: SKGZ
ID 04ca:f001 Lite-On Technology Corp.

FE has been (mostly, until the 3rd try) detected until 2.6.27.10: 

Dec 31 12:01:33 tom1 kernel: MT2060: successfully identified (IF1 = 1241)

but no more with 2.6.28.

can see no recent changes here:

http://linuxtv.org/hg/v4l-dvb/log/6a189bc8f115/linux/drivers/media/dvb/frontends/dib3000mc.c
http://linuxtv.org/hg/v4l-dvb/log/6a189bc8f115/linux/drivers/media/dvb/dvb-usb/dibusb-mc.c

this should be the breaking changeset included in 2.6.28 stable kernel release, others are too old:

http://linuxtv.org/hg/v4l-dvb/log/6a189bc8f115/linux/drivers/media/dvb/dvb-usb/dibusb-common.c
http://linuxtv.org/hg/v4l-dvb/log/6a189bc8f115/linux/drivers/media/dvb/frontends/dibx000_common.c
http://linuxtv.org/hg/v4l-dvb/rev/5bfadacec8a2 
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

y
tom

-------------------------------------------------
usb 2-2: new high speed USB device using ehci_hcd and address 6
usb 2-2: configuration #1 chosen from 1 choice
usb 2-2: New USB device found, idVendor=04ca, idProduct=f000
usb 2-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
*dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in cold state, will try to load a firmware*
usb 2-2: firmware: requesting dvb-usb-dibusb-6.0.0.8.fw
dvb-usb: downloading firmware from file 'dvb-usb-dibusb-6.0.0.8.fw'
usbcore: registered new interface driver dvb_usb_dibusb_mc

usb 2-2: USB disconnect, address 6
dvb-usb: generic DVB-USB module successfully deinitialized and disconnected.

usb 2-2: new high speed USB device using ehci_hcd and address 7
usb 2-2: configuration #1 chosen from 1 choice
*dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in warm state.*
dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
*DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x5a00)*
DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x5a00)
*dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'*
dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
usb 2-2: New USB device found, idVendor=04ca, idProduct=f001
usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
usb 2-2: Product: TvTUNER
usb 2-2: Manufacturer: SKGZ

usbcore: deregistering interface driver dvb_usb_dibusb_mc
dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully deinitialized and disconnected.

dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in warm state.
*dvb-usb: bulk message failed: -22 (3/2)*
dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
*dvb-usb: bulk message failed: -22 (6/-1)*
*DiB3000MC/P:i2c read error on 1025*
DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x292c)
dvb-usb: bulk message failed: -22 (6/-1)
DiB3000MC/P:i2c read error on 1025
DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc044)
dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'
dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
usbcore: registered new interface driver dvb_usb_dibusb_mc

usbcore: deregistering interface driver dvb_usb_dibusb_mc
dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully deinitialized and disconnected.

tom1:~# lsusb -d 04ca:f001 -vvv

Bus 002 Device 007: ID 04ca:f001 Lite-On Technology Corp. 
Device Descriptor:
  bLength                18
  bDescriptorType         1
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  idVendor           0x04ca Lite-On Technology Corp.
  idProduct          0xf001 
  bcdDevice            0.01
  iManufacturer           1 SKGZ
  iProduct                2 TvTUNER
  iSerial                 0 
  bNumConfigurations      1
  Configuration Descriptor:
    bLength                 9
    bDescriptorType         2
    wTotalLength           46
    bNumInterfaces          1
    bConfigurationValue     1
    iConfiguration          0 
    bmAttributes         0x80
      (Bus Powered)
    MaxPower              500mA
    Interface Descriptor:
      bLength                 9
      bDescriptorType         4
      bInterfaceNumber        0
      bAlternateSetting       0
      bNumEndpoints           4
      bInterfaceClass       255 Vendor Specific Class
      bInterfaceSubClass      0 
      bInterfaceProtocol      0 
      iInterface              0 
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x01  EP 1 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x81  EP 1 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x02  EP 2 OUT
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
      Endpoint Descriptor:
        bLength                 7
        bDescriptorType         5
        bEndpointAddress     0x86  EP 6 IN
        bmAttributes            2
          Transfer Type            Bulk
          Synch Type               None
          Usage Type               Data
        wMaxPacketSize     0x0200  1x 512 bytes
        bInterval               0
Device Qualifier (for other device speed):
  bLength                10
  bDescriptorType         6
  bcdUSB               2.00
  bDeviceClass            0 (Defined at Interface level)
  bDeviceSubClass         0 
  bDeviceProtocol         0 
  bMaxPacketSize0        64
  bNumConfigurations      1
Device Status:     0x0002
  (Bus Powered)
  Remote Wakeup Enabled
tom1:~# 

tom1:~# uname -a
Linux tom1 2.6.28 #9 PREEMPT Thu Jan 1 09:17:55 CET 2009 x86_64 GNU/Linux



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[linux-dvb] [BUG]2.6.28 breaks dvb-usb devices FE i2c

[thomas schorpp]

thomas schorpp schrieb:
> hi,
> 
> usb 2-2: Product: TvTUNER
> usb 2-2: Manufacturer: SKGZ
> ID 04ca:f001 Lite-On Technology Corp.
> 
> FE has been (mostly, until the 3rd try) detected until 2.6.27.10:
> Dec 31 12:01:33 tom1 kernel: MT2060: successfully identified (IF1 = 1241)
> 
> but no more with 2.6.28.
> 

> 
> this should be the breaking changeset included in 2.6.28 stable kernel 
> release, others are too old:
> 

> http://linuxtv.org/hg/v4l-dvb/rev/5bfadacec8a2 Signed-off-by: Mauro 
> Carvalho Chehab <mchehab@redhat.com>

no, takeback, too trivial 
http://linuxtv.org/hg/v4l-dvb/diff/5bfadacec8a2/linux/drivers/media/dvb/frontends/dibx000_common.c

2.6.28 i2c broken or this driver needs updating for 2.6.28.

y
tom

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Re: [linux-dvb] [BUG]2.6.28 breaks dvb-usb devices FE i2c

[thomas schorpp]

thomas schorpp schrieb:
> thomas schorpp schrieb:
>> hi,
>>
>> usb 2-2: Product: TvTUNER
>> usb 2-2: Manufacturer: SKGZ
>> ID 04ca:f001 Lite-On Technology Corp.
>>
>> FE has been (mostly, until the 3rd try) detected until 2.6.27.10:
>> Dec 31 12:01:33 tom1 kernel: MT2060: successfully identified (IF1 = 1241)
>>
>> but no more with 2.6.28.
>>
> 
>>
>> this should be the breaking changeset included in 2.6.28 stable kernel 
>> release, others are too old:
>>
> 
>> http://linuxtv.org/hg/v4l-dvb/rev/5bfadacec8a2 Signed-off-by: Mauro 
>> Carvalho Chehab <mchehab@redhat.com>
> 
> no, takeback, too trivial 
> http://linuxtv.org/hg/v4l-dvb/diff/5bfadacec8a2/linux/drivers/media/dvb/frontends/dibx000_common.c 
> 
> 
> 2.6.28 i2c broken or this driver needs updating for 2.6.28.
> 

rebuild kernel with dvb-usb + i2c core debug, detects FE after reboot:

check for cold 10b8 bc6
check for warm 10b8 bc7
check for cold 5d8 8109
check for warm 5d8 810a
check for cold 4ca f000
check for warm 4ca f001
check for cold eb1a e360
dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in warm state.
power control: 1
>>> 07 00 01 
i2c-adapter i2c-3: adapter [LITE-ON USB2.0 DVB-T Tuner] registered
dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
all in all I will use 28672 bytes for streaming
allocating buffer 0
buffer 0: ffff88003ccec000 (dma: 1020182528)
allocating buffer 1
buffer 1: ffff88003ccf5000 (dma: 1020219392)
allocating buffer 2
buffer 2: ffff88003cd08000 (dma: 1020297216)
allocating buffer 3
buffer 3: ffff88003ccef000 (dma: 1020194816)
allocating buffer 4
buffer 4: ffff88003ccfb000 (dma: 1020243968)
allocating buffer 5
buffer 5: ffff88003ccf6000 (dma: 1020223488)
allocating buffer 6
buffer 6: ffff88003ccf7000 (dma: 1020227584)
allocation successful
DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
i2c-adapter i2c-3: master_xfer[0] W, addr=0x0c, len=2
i2c-adapter i2c-3: master_xfer[1] R, addr=0x0c, len=2
>>> 02 19 84 01 00 02 
<<< 01 b3 
i2c-adapter i2c-3: master_xfer[0] W, addr=0x0c, len=2
i2c-adapter i2c-3: master_xfer[1] R, addr=0x0c, len=2
>>> 02 19 84 02 00 02 
<<< 30 02 
DiB3000MC/P:-I-  found DiB3000MC/P: 3002

*I2C adapter driver [DiBX000 tuner I2C bus] forgot to specify physical device*
i2c-adapter i2c-4: adapter [DiBX000 tuner I2C bus] registered
i2c-adapter i2c-3: master_xfer[0] W, addr=0x0c, len=4
>>> 03 18 03 01 00 80 
i2c-adapter i2c-3: master_xfer[0] W, addr=0x0c, len=4
>>> 03 18 04 0d 31 30 
DVB: registering adapter 2 frontend 0 (DiBcom 3000MC/P)...
>>> 02 a1 7e 00 01 
<<< 00 
>>> 02 a1 7f 00 01 
<<< 15 
i2c-adapter i2c-2: master_xfer[0] W, addr=0x10, len=2
i2c-adapter i2c-2: master_xfer[0] W, addr=0x40, len=2
i2c-adapter i2c-4: master_xfer[0] W, addr=0x60, len=1
i2c-adapter i2c-4: master_xfer[1] R, addr=0x60, len=1
i2c-adapter i2c-3: master_xfer[0] W, addr=0x0c, len=4
i2c-adapter i2c-3: master_xfer[1] W, addr=0x60, len=1
i2c-adapter i2c-3: master_xfer[2] R, addr=0x60, len=1
i2c-adapter i2c-3: master_xfer[3] W, addr=0x0c, len=4
>>> 03 18 03 01 60 00 
>>> 02 c1 00 00 01 
<<< 63 
>>> 03 18 03 01 00 80 
MT2060: successfully identified (IF1 = 1241)

but fails verify:

Jan  2 05:09:39 tom1 kernel: dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully deinitialized and disconnected.
Jan  2 05:09:58 tom1 kernel: check for cold 10b8 bc6
Jan  2 05:09:58 tom1 kernel: check for warm 10b8 bc7
Jan  2 05:09:58 tom1 kernel: check for cold 5d8 8109
Jan  2 05:09:58 tom1 kernel: check for warm 5d8 810a
Jan  2 05:09:58 tom1 kernel: check for cold 4ca f000
Jan  2 05:09:58 tom1 kernel: check for warm 4ca f001
Jan  2 05:09:58 tom1 kernel: check for cold eb1a e360
Jan  2 05:09:58 tom1 kernel: dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in warm state.
Jan  2 05:09:58 tom1 kernel: power control: 1
Jan  2 05:09:58 tom1 kernel: >>> 07 00 01 
Jan  2 05:09:58 tom1 kernel: dvb-usb: bulk message failed: -22 (3/180432)
Jan  2 05:09:58 tom1 kernel: i2c-adapter i2c-0: adapter [LITE-ON USB2.0 DVB-T Tuner] registered
Jan  2 05:09:58 tom1 kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
Jan  2 05:09:58 tom1 kernel: all in all I will use 28672 bytes for streaming
Jan  2 05:09:58 tom1 kernel: allocating buffer 0
...
Jan  2 05:09:58 tom1 kernel: allocation successful
Jan  2 05:09:58 tom1 kernel: DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
Jan  2 05:09:58 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x0c, len=2
Jan  2 05:09:58 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x0c, len=2
Jan  2 05:09:58 tom1 kernel: >>> 02 19 84 01 00 02 
Jan  2 05:09:58 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:09:58 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:09:58 tom1 kernel: 
Jan  2 05:09:58 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x290c)
Jan  2 05:09:58 tom1 kernel: 
Jan  2 05:09:58 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x08, len=2
Jan  2 05:09:58 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x08, len=2
Jan  2 05:09:58 tom1 kernel: >>> 02 11 84 01 00 02 
Jan  2 05:09:58 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:09:58 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:09:58 tom1 kernel: 
Jan  2 05:09:58 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc024)
Jan  2 05:09:58 tom1 kernel: 
Jan  2 05:09:58 tom1 kernel: dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'
Jan  2 05:09:58 tom1 kernel: power control: 0
Jan  2 05:09:58 tom1 kernel: dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
Jan  2 05:09:58 tom1 kernel: usbcore: registered new interface driver dvb_usb_dibusb_mc

trying cold state:

Jan  2 05:26:13 tom1 kernel: usb 2-2: new high speed USB device using ehci_hcd and address 5
Jan  2 05:26:13 tom1 kernel: usb 2-2: configuration #1 chosen from 1 choice
Jan  2 05:26:13 tom1 kernel: usb 2-2: New USB device found, idVendor=04ca, idProduct=f000
Jan  2 05:26:13 tom1 kernel: usb 2-2: New USB device strings: Mfr=0, Product=0, SerialNumber=0
Jan  2 05:26:13 tom1 kernel: check for cold 10b8 bc6
Jan  2 05:26:13 tom1 kernel: check for warm 10b8 bc7
Jan  2 05:26:13 tom1 kernel: check for cold 5d8 8109
Jan  2 05:26:13 tom1 kernel: check for warm 5d8 810a
Jan  2 05:26:13 tom1 kernel: check for cold 4ca f000
Jan  2 05:26:13 tom1 kernel: dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in cold state, will try to load a firmware
Jan  2 05:26:13 tom1 kernel: usb 2-2: firmware: requesting dvb-usb-dibusb-6.0.0.8.fw
Jan  2 05:26:13 tom1 kernel: dvb-usb: downloading firmware from file 'dvb-usb-dibusb-6.0.0.8.fw'
Jan  2 05:26:13 tom1 kernel: writing to address 0x1525 (buffer: 0x0a 9f)
...
Jan  2 05:26:13 tom1 kernel: writing to address 0x0c55 (buffer: 0x01 9e)
Jan  2 05:26:13 tom1 kernel: usbcore: registered new interface driver dvb_usb_dibusb_mc
Jan  2 05:26:13 tom1 kernel: usb 2-2: USB disconnect, address 5
Jan  2 05:26:13 tom1 kernel: dvb-usb: generic DVB-USB module successfully deinitialized and disconnected.
Jan  2 05:26:15 tom1 kernel: usb 2-2: new high speed USB device using ehci_hcd and address 6
Jan  2 05:26:15 tom1 kernel: usb 2-2: configuration #1 chosen from 1 choice
Jan  2 05:26:15 tom1 kernel: check for cold 10b8 bc6
Jan  2 05:26:15 tom1 kernel: check for warm 10b8 bc7
Jan  2 05:26:15 tom1 kernel: check for cold 5d8 8109
Jan  2 05:26:15 tom1 kernel: check for warm 5d8 810a
Jan  2 05:26:15 tom1 kernel: check for cold 4ca f000
Jan  2 05:26:15 tom1 kernel: check for warm 4ca f001
Jan  2 05:26:15 tom1 kernel: check for cold eb1a e360
Jan  2 05:26:15 tom1 kernel: dvb-usb: found a 'LITE-ON USB2.0 DVB-T Tuner' in warm state.
Jan  2 05:26:15 tom1 kernel: power control: 1
Jan  2 05:26:15 tom1 kernel: >>> 07 00 01 
Jan  2 05:26:15 tom1 kernel: i2c-adapter i2c-0: adapter [LITE-ON USB2.0 DVB-T Tuner] registered
Jan  2 05:26:15 tom1 kernel: dvb-usb: will pass the complete MPEG2 transport stream to the software demuxer.
Jan  2 05:26:15 tom1 kernel: all in all I will use 28672 bytes for streaming
Jan  2 05:26:15 tom1 kernel: allocating buffer 0
...
Jan  2 05:26:15 tom1 kernel: allocation successful
Jan  2 05:26:15 tom1 kernel: DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
Jan  2 05:26:15 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x0c, len=2
Jan  2 05:26:15 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x0c, len=2
Jan  2 05:26:15 tom1 kernel: >>> 02 19 84 01 00 02 
Jan  2 05:26:15 tom1 kernel: <<< 5a 00 
Jan  2 05:26:15 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x5a00)
Jan  2 05:26:15 tom1 kernel: 
Jan  2 05:26:15 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x08, len=2
Jan  2 05:26:15 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x08, len=2
Jan  2 05:26:15 tom1 kernel: >>> 02 11 84 01 00 02 
Jan  2 05:26:15 tom1 kernel: <<< 5a 00 
Jan  2 05:26:15 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0x5a00)
Jan  2 05:26:15 tom1 kernel: 
Jan  2 05:26:15 tom1 kernel: dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'
Jan  2 05:26:15 tom1 kernel: power control: 0
Jan  2 05:26:15 tom1 kernel: dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
Jan  2 05:26:15 tom1 kernel: usb 2-2: New USB device found, idVendor=04ca, idProduct=f001
Jan  2 05:26:15 tom1 kernel: usb 2-2: New USB device strings: Mfr=1, Product=2, SerialNumber=0
Jan  2 05:26:15 tom1 kernel: usb 2-2: Product: TvTUNER
Jan  2 05:26:15 tom1 kernel: usb 2-2: Manufacturer: SKGZ

trying warm state:

Jan  2 05:31:29 tom1 kernel: DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
Jan  2 05:31:29 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x0c, len=2
Jan  2 05:31:29 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x0c, len=2
Jan  2 05:31:29 tom1 kernel: >>> 02 19 84 01 00 02 
Jan  2 05:31:29 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:31:29 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:31:29 tom1 kernel: 
Jan  2 05:31:29 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc014)
Jan  2 05:31:29 tom1 kernel: 
Jan  2 05:31:29 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x08, len=2
Jan  2 05:31:29 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x08, len=2
Jan  2 05:31:29 tom1 kernel: >>> 02 11 84 01 00 02 
Jan  2 05:31:29 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:31:29 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:31:29 tom1 kernel: 
Jan  2 05:31:29 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc014)
Jan  2 05:31:29 tom1 kernel: 
Jan  2 05:31:29 tom1 kernel: dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'
Jan  2 05:31:29 tom1 kernel: power control: 0
Jan  2 05:31:29 tom1 kernel: dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
Jan  2 05:31:29 tom1 kernel: usbcore: registered new interface driver dvb_usb_dibusb_mc

3rd:

Jan  2 05:32:56 tom1 kernel: DVB: registering new adapter (LITE-ON USB2.0 DVB-T Tuner)
Jan  2 05:32:56 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x0c, len=2
Jan  2 05:32:56 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x0c, len=2
Jan  2 05:32:56 tom1 kernel: >>> 02 19 84 01 00 02 
Jan  2 05:32:56 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:32:56 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:32:56 tom1 kernel: 
Jan  2 05:32:56 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc054)
Jan  2 05:32:56 tom1 kernel: 
Jan  2 05:32:56 tom1 kernel: i2c-adapter i2c-0: master_xfer[0] W, addr=0x08, len=2
Jan  2 05:32:56 tom1 kernel: i2c-adapter i2c-0: master_xfer[1] R, addr=0x08, len=2
Jan  2 05:32:56 tom1 kernel: >>> 02 11 84 01 00 02 
Jan  2 05:32:56 tom1 kernel: dvb-usb: bulk message failed: -22 (6/-30720)
Jan  2 05:32:56 tom1 kernel: DiB3000MC/P:i2c read error on 1025
Jan  2 05:32:56 tom1 kernel: 
Jan  2 05:32:56 tom1 kernel: DiB3000MC/P:-E-  DiB3000MC/P: wrong Vendor ID (read=0xc054)
Jan  2 05:32:56 tom1 kernel: 
Jan  2 05:32:56 tom1 kernel: dvb-usb: no frontend was attached by 'LITE-ON USB2.0 DVB-T Tuner'
Jan  2 05:32:56 tom1 kernel: power control: 0
Jan  2 05:32:56 tom1 kernel: dvb-usb: LITE-ON USB2.0 DVB-T Tuner successfully initialized and connected.
Jan  2 05:32:56 tom1 kernel: usbcore: registered new interface driver dvb_usb_dibusb_mc


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