[linux-dvb] mt2060 I2C read/write failed, Hauppauge Nova-T 500 PCI

daniel åkerud daniel.akerud at gmail.com
Wed Dec 12 23:20:16 CET 2007

Hello! I have browsed a half year back in archives but didn't find any
solution to this. I have setup a Hauppauge Nova-T 500 PCI under Kubunt
7.10using v4l-dvb from svn 2007-12-07. Every day I get I2C read/write
errors and need to reload the module (dvb-usb-dib0700). In worst case the
module won't reload because they are in use (but no program is running,
mythbackend stopped, etc). Last time this (as in "in use") happened was when
I seeked (right arrow) when playing /dev/dvb/adapter0/dvr0 in mplayer after
tzap -r. Some info:

da at brutus:~$ dmesg | grep -i "mt2060\|dvb"
[   32.644274] dvb-usb: found a 'Hauppauge Nova-T 500 Dual DVB-T' in warm
[   32.644305] dvb-usb: will pass the complete MPEG2 transport stream to the
software demuxer.
[   32.644422] DVB: registering new adapter (Hauppauge Nova-T 500 Dual
[   33.000139] DVB: registering frontend 0 (DiBcom 3000MC/P)...
[   33.045331] MT2060: successfully identified (IF1 = 1220)
[   33.603278] dvb-usb: will pass the complete MPEG2 transport stream to the
software demuxer.
[   33.603459] DVB: registering new adapter (Hauppauge Nova-T 500 Dual
[   33.609153] DVB: registering frontend 1 (DiBcom 3000MC/P)...
[   33.613900] MT2060: successfully identified (IF1 = 1220)
[   34.169059] input: IR-receiver inside an USB DVB receiver as
[   34.169099] dvb-usb: schedule remote query interval to 150 msecs.
[   34.169103] dvb-usb: Hauppauge Nova-T 500 Dual DVB-T successfully
initialized and connected.
[   34.169363] usbcore: registered new interface driver dvb_usb_dib0700
[  258.929698] mt2060 I2C read failed
[  265.935059] mt2060 I2C read failed
[ 1168.898547] mt2060 I2C read failed
[ 1341.069358] mt2060 I2C read failed
[ 1352.251714] mt2060 I2C read failed
[ 1377.450039] mt2060 I2C read failed
[ 2299.923845] mt2060 I2C write failed (len=6)
[ 3074.045737] mt2060 I2C read failed
[ 3242.035822] mt2060 I2C write failed (len=2)
[ 5217.376468] mt2060 I2C read failed
[ 5220.170838] mt2060 I2C read failed
[ 5256.550148] mt2060 I2C write failed (len=6)

I am using this firmware:

da at brutus:~$ md5sum /lib/firmware/dvb-usb-dib0700-1.10.fw
5878ebfcba2d8deb90b9120eb89b02da  /lib/firmware/dvb-usb-dib0700-1.10.fw
da at brutus:~$ ls -al /lib/firmware/dvb-usb-dib0700-1.10.fw
-rw-r--r-- 1 root root 34306 2007-12-07 19:39 /lib/firmware/dvb-

This version of linux:
da at brutus:~$ cat /proc/version
Linux version 2.6.22-14-generic (buildd at palmer) (gcc version 4.1.3 20070929
(prerelease) (Ubuntu 4.1.2-16ubuntu2)) #1 SMP Sun Oct 14 23:05:12 GMT 2007

The IR-receiver is not connected. I appreciate any help!

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