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[Vince McIntyre <1291459@xxxxxxxxxxxxxxxxxx>]

I see the same firmware loading issue. I assumed the problem was in
tuner_xc2028, as I don't see any related messages in dmesg after the
firmware blob fails to load:

Mar 26 22:03:20 localhost kernel: [   11.567369] xc2028 0-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000
000.
Mar 26 22:03:20 localhost kernel: [   11.576247] cxusb: i2c wr: len=64 is too big!
Mar 26 22:03:20 localhost kernel: [   11.576247] 
Mar 26 22:03:20 localhost kernel: [   11.576253] xc2028 0-0061: i2c output error: rc = -95 (should be 64)
Mar 26 22:03:20 localhost kernel: [   11.576255] xc2028 0-0061: -95 returned from send
Mar 26 22:03:20 localhost kernel: [   11.576258] xc2028 0-0061: Error -22 while loading base firmware
Mar 26 22:03:20 localhost kernel: [   11.648380] xc2028 0-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.

This is from the linux-image-generic-lts-saucy   v3.11.0.18.17 running on a Precise LTS system (amd64).
cat /etc/lsb-release 
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=12.04
DISTRIB_CODENAME=precise
DISTRIB_DESCRIPTION="Ubuntu 12.04.4 LTS"

At the risk of starting a wild goose chase this _might_ be related to:
  http://git.kernel.org/cgit/linux/kernel/git/stable/linux-stable.git/commit/?id=e9812be28ce0f4e4bf5586f1a542551c8fc80ffa
which has been merged into the saucy kernel, as far as I can tell,
  http://kernel.ubuntu.com/git?p=ubuntu/ubuntu-saucy.git;a=commit;h=d1ba3eb8a51b2ebb09bdfd7277fde2c8ff679f87

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https://bugs.launchpad.net/bugs/1291459

Title:
  ioctl FE_GET_INFO hangs with DViCO FusionHDTV DVB-T Dual Digital 4
  card

Status in “linux” package in Ubuntu:
  Confirmed
Status in “linux-firmware” package in Ubuntu:
  Confirmed

Bug description:
  Top level symptom:
  mythtv-backend fails to listen for client connections.
  It stops at: (strace mythbackend)
  open("/dev/dvb/adapter1/frontend0", O_RDWR|O_NONBLOCK) = 16
  ioctl(16, FE_GET_INFO

  me-tv also hangs in a similar manner.

  I expected the ioctl call to succeed, and for the top level
  applications to function properly. Instead, they hang.

  The machine has 3 dvb tuners as follows:
  **************** Adapter 0
  Mar 12 22:32:53 mythtv kernel: [   17.428195] input: Budget-CI dvb ir receiver saa7146 (0) as /devices/pci0000:00/0000:00:1e.0/0000:05
  :00.0/rc/rc0/input13
  Mar 12 22:32:53 mythtv kernel: [   17.428251] rc0: Budget-CI dvb ir receiver saa7146 (0) as /devices/pci0000:00/0000:00:1e.0/0000:05:0
  0.0/rc/rc0
  Mar 12 22:32:53 mythtv kernel: [   17.432801] budget_ci dvb 0000:05:00.0: DVB: registering adapter 0 frontend 0 (Philips TDA10045H DVB
  -T)...
  **************** Adapter 1
  Mar 12 22:32:53 mythtv kernel: [   17.646727] DVB: registering new adapter (DViCO FusionHDTV DVB-T Dual Digital 4)
  Mar 12 22:32:53 mythtv kernel: [   17.797366] usb 3-1: DVB: registering adapter 1 frontend 0 (Zarlink ZL10353 DVB-T)...
  **************** Adapter 2
  Mar 12 22:32:53 mythtv kernel: [   17.831769] DVB: registering new adapter (DViCO FusionHDTV DVB-T Dual Digital 4)
  Mar 12 22:32:53 mythtv kernel: [   17.882250] cxusb: No IR receiver detected on this device.
  Mar 12 22:32:53 mythtv kernel: [   17.882258] usb 3-2: DVB: registering adapter 2 frontend 0 (Zarlink ZL10353 DVB-T)...

  There appears to be a problem loading the firmware for the xc2028 in
  the DViCO FusionHDTV card:

  Mar 13 02:07:59 mythtv kernel: [   37.348226] xc2028 10-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.
  Mar 13 02:07:59 mythtv kernel: [   37.360226] cxusb: i2c wr: len=64 is too big!
  Mar 13 02:07:59 mythtv kernel: [   37.360226] 
  Mar 13 02:07:59 mythtv kernel: [   37.360230] xc2028 10-0061: i2c output error: rc = -95 (should be 64)
  Mar 13 02:07:59 mythtv kernel: [   37.360231] xc2028 10-0061: -95 returned from send
  Mar 13 02:07:59 mythtv kernel: [   37.360234] xc2028 10-0061: Error -22 while loading base firmware
  Mar 13 02:07:59 mythtv kernel: [   37.412233] xc2028 11-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.
  Mar 13 02:07:59 mythtv kernel: [   37.424360] cxusb: i2c wr: len=64 is too big!
  Mar 13 02:07:59 mythtv kernel: [   37.424360] 
  Mar 13 02:07:59 mythtv kernel: [   37.424364] xc2028 11-0061: i2c output error: rc = -95 (should be 64)
  Mar 13 02:07:59 mythtv kernel: [   37.424365] xc2028 11-0061: -95 returned from send
  Mar 13 02:07:59 mythtv kernel: [   37.424368] xc2028 11-0061: Error -22 while loading base firmware
  Mar 13 02:07:59 mythtv kernel: [   37.428486] xc2028 10-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.
  Mar 13 02:07:59 mythtv kernel: [   37.492247] xc2028 11-0061: Loading firmware for type=BASE F8MHZ (3), id 0000000000000000.

  The firmware is loaded from the file xc3028-v27.fw:
  Mar 13 02:07:42 mythtv kernel: [   18.108746] xc2028 11-0061: creating new instance
  Mar 13 02:07:42 mythtv kernel: [   18.108748] xc2028 11-0061: type set to XCeive xc2028/xc3028 tuner
  Mar 13 02:07:42 mythtv kernel: [   18.108801] xc2028 11-0061: Loading 80 firmware images from xc3028-v27.fw, type: xc2028 firmware, ver 2.7
  Mar 13 02:07:42 mythtv kernel: [   18.109670] dvb-usb: DViCO FusionHDTV DVB-T Dual Digital 4 successfully initialized and connected.

  The firmware file /lib/firmware/xc3028-v27.fw belongs to the linux-firmware-nonfree 1.14.ubuntu1 package. I have located instructions on the origin of this file (http://www.linuxtv.org/wiki/index.php/Xceive_XC3028/XC2028#How_to_Obtain_the_Firmware)
  and I have verified that the firmware file is identical to the one obtained by that method.

  The DViCO FusionHDTV card has been used for several years in this
  machine. This problem only occurred after upgrading to saucy
  salamander.

  ProblemType: Bug
  DistroRelease: Ubuntu 13.10
  Package: linux-image-3.11.0-18-generic 3.11.0-18.32
  ProcVersionSignature: Ubuntu 3.11.0-18.32-generic 3.11.10.4
  Uname: Linux 3.11.0-18-generic x86_64
  ApportVersion: 2.12.5-0ubuntu2.2
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  loungeroom   2246 F.... pulseaudio
   /dev/snd/controlC0:  loungeroom   2246 F.... pulseaudio
  Date: Thu Mar 13 02:28:43 2014
  HibernationDevice: RESUME=UUID=335a7d97-3ccb-47e1-a25a-78717e9f04a7
  IwConfig:
   eth1      no wireless extensions.
   
   lo        no wireless extensions.
  MachineType: Gigabyte Technology Co., Ltd. EP43-DS3L
  MarkForUpload: True
  ProcEnviron:
   TERM=xterm
   PATH=(custom, no user)
   LANG=en_AU.UTF-8
   SHELL=/bin/bash
  ProcFB: 0 radeondrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-3.11.0-18-generic root=/dev/mapper/Ubuntu-precise_root ro radeon.audio=1 crashkernel=384M-2G:64M,2G-:128M quiet splash vt.handoff=7
  PulseList:
   Error: command ['pacmd', 'list'] failed with exit code 1: Home directory not accessible: Permission denied
   No PulseAudio daemon running, or not running as session daemon.
  RelatedPackageVersions:
   linux-restricted-modules-3.11.0-18-generic N/A
   linux-backports-modules-3.11.0-18-generic  N/A
   linux-firmware                             1.116.2
  RfKill: Error: [Errno 2] No such file or directory: 'rfkill'
  SourcePackage: linux
  UpgradeStatus: Upgraded to saucy on 2014-02-20 (20 days ago)
  WifiSyslog:
   
  dmi.bios.date: 09/22/2008
  dmi.bios.vendor: Award Software International, Inc.
  dmi.bios.version: F8
  dmi.board.name: EP43-DS3L
  dmi.board.vendor: Gigabyte Technology Co., Ltd.
  dmi.chassis.type: 3
  dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
  dmi.modalias: dmi:bvnAwardSoftwareInternational,Inc.:bvrF8:bd09/22/2008:svnGigabyteTechnologyCo.,Ltd.:pnEP43-DS3L:pvr:rvnGigabyteTechnologyCo.,Ltd.:rnEP43-DS3L:rvr:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvr:
  dmi.product.name: EP43-DS3L
  dmi.sys.vendor: Gigabyte Technology Co., Ltd.

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