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Re: AverTV Volar HD PRO



Il 07/02/2012 06:10, Andrej Podzimek ha scritto:

> An attempt to scan channels in Kaffeine always fails before the progress
> bar reaches 20% and lots of messages like this appear in dmesg:
> 
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0047
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0047
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0045
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0048
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0047
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:002c
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0047
>     af9035: recv bulk message failed:-110
>     af9033: I2C read failed reg:0048

Hi Andrej,
I contacted the original creator of the patch that you used previously
(Xgaz on Ubuntu.it forums).

He passed this suggestion to me (coming from a Spanish user):


For people having the kernel message "af9035: recv bulk message
failed:-110", it's due a problem with the power save mode. To solve it,
create the file "/etc/modprobe.d/options.conf" with this content:

options dvb-core dvb_powerdown_on_sleep=0


So basically you may need to disable the power saving functionalities to
make the device working again.

Since the only functional difference between the old and the new patch
version is in the remote code (which I removed), probably this code was
preventing your device to go into sleep mode, so it was hotter but
worked fine.

Please report if this helps.

Regards,
Gianluca
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