[mythtv-users] Tuning problems with HD5000

[MythTV User]

I am also interested to upgrade my kernel to 2.6.22. However, I found this
related issue 

http://www.nabble.com/2.6.22.y-DVB%3A-b2c2-flexcop%3A-fix-Airstar-HD5000-tun
ing-regression-t4360824.html

My current kernel is:

[mythtv at gold ~]$ uname -a
Linux gold 2.6.19-1.2911.fc6 #1 SMP Sat Feb 10 15:51:47 EST 2007 i686 athlon
i386 GNU/Linux

Does this mean that I cannot just use yum (RPM) to upgrade my kernel but
rather, compile my own after applying the patch stated from the above link?
If I do compile the kernel, I suppose I would need to compile lirc as well?

It says here that this regression is addressed on 2.6.23-rc4
http://www.kernel.org/pub/linux/kernel/v2.6/testing/ChangeLog-2.6.23-rc4


Id appreciate pointing me to the right path on doing this upgrade. Please
note that I have not compiled a kernel yet and have always used the kernel
available in the Fedora repositories.






-----Original Message-----
From: mythtv-users-bounces at mythtv.org
[mailto:mythtv-users-bounces at mythtv.org] On Behalf Of Michael Carland
Sent: Tuesday, August 07, 2007 11:46 AM
To: Discussion about mythtv
Subject: [mythtv-users] Tuning problems with HD5000

I am having problems with an HD5000 that used to work. I needed a kernel
upgrade to fix some network instability, and I think that is when the
problem began. I don't watch much DTV, so I'm not certain the problem
started with the new kernel.

My symptom is that the card is recognized properly, but it doesn't seem to
want to tune. Most of the time scan says it fails tuning, so of course azap
can't get a lock. At one point, I don't know how, but the tuner tuned to the
local PBS station. scan then thought it could tune, but it was always on the
PBS station, spitting out a list of the PBS channels for each frequency it
thought it was tuning to. When I would change channels in Myth, it would
think it was on various channels, but always displayed one of the PBS
channels.

Has anyone had this problem and found a fix, or is anyone having success
with an HD5000 on a newer kernel (I'm at 2.6.22.1 on amd64)?  
I don't think this is a myth specific issue, but I'm hoping there are a few
HD5000 users on this list.

Thanks.

stern:/# lspci -v -s 4:06.0
04:06.0 Network controller: Techsan Electronics Co Ltd B2C2 FlexCopII DVB
chip / Technisat SkyStar2 DVB card (rev 02)
         Subsystem: Techsan Electronics Co Ltd B2C2 FlexCopII DVB chip /
Technisat SkyStar2 DVB card
         Flags: bus master, slow devsel, latency 64, IRQ 19
         Memory at feaf0000 (32-bit, non-prefetchable) [size=64K]
         I/O ports at bc00 [size=32]

stern:/# dmesg
...
b2c2-flexcop: B2C2 FlexcopII/II(b)/III digital TV receiver chip loaded
successfully
flexcop-pci: will use the HW PID filter.
flexcop-pci: card revision 2
ACPI: PCI Interrupt 0000:04:06.0[A] -> Link [LNKA] -> GSI 19 (level,
low) -> IRQ19
DVB: registering new adapter (FlexCop Digital TV device).
b2c2-flexcop: MAC address = 00:d0:d7:0e:6b:f0
b2c2-flexcop: i2c master_xfer failed
b2c2-flexcop: i2c master_xfer failed
b2c2-flexcop: i2c master_xfer failed
mt352_read_register: readreg error (reg=127, ret==-121)
b2c2-flexcop: i2c master_xfer failed
nxt200x: nxt200x_readbytes: i2c read error (addr 0x0a, err == -121)
Unknown/Unsupported NXT chip: 00 00 00 00 00
b2c2-flexcop: i2c master_xfer failed
b2c2-flexcop: found the lgdt3303 at i2c address: 0x59
DVB: registering frontend 0 (LG Electronics LGDT3303 VSB/QAM Frontend)...
b2c2-flexcop: initialization of 'Air2PC/AirStar 2 ATSC 3rd generation
(HD5000)' at the 'PCI' bus controlled by a 'FlexCopIIb' complete ...

mythtv at stern:~$ scan us-MSP
scanning us-MSP
using '/dev/dvb/adapter0/frontend0' and '/dev/dvb/adapter0/demux0'
 >>> tune to: 599000000:8VSB
WARNING: >>> tuning failed!!!
 >>> tune to: 599000000:8VSB (tuning failed)
WARNING: >>> tuning failed!!!
 >>> tune to: 593000000:8VSB
WARNING: >>> tuning failed!!!
 >>> tune to: 593000000:8VSB (tuning failed)
WARNING: >>> tuning failed!!!

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