[linux-dvb] Nova-T 500 issues - losing one tuner

[Ben Firshman]

I am quite disappointed to report that one of my tuners has just died  
this evening. No error messages to speak of.

Ben

On 26 Feb 2008, at 19:18, Philip Pemberton wrote:

> Patrik Hansson wrote:
>> Just wanted to say that I´m experiencing the same.
>> Using latest rev (the one with patches merged) + unknown remote key  
>> patch.
>> Ubuntu 7.10
>>
>> Also having a lot of "prebuffer timeout 10 times" i the middle of  
>> shows.
>
> I think I might have a workaround... On Mythbuntu or one of the many  
> Ubuntu
> variants, this seems to work:
>
> 1)  Run:
>       lsmod |grep usbcore
>
> 2)  If step 1 produced any output that started with 'usbcore', then  
> usbcore is
> loaded as a module. Perform step 3a. Otherwise, step 3b.
>
> 3a) Create a text file called /etc/modprobe.d/local-dvb (the name is  
> fairly
> irrelevant). Insert one line of text into it:
>       options usbcore autosuspend=-1
>     Now go to step 4.
>
> 3b) Your kernel has usbcore built in. That means you have to modify  
> the kernel
> command line...
>     Edit /boot/grub/menu.lst (you'll need to sudo to do this).  
> Search for
> this line:
> # defoptions=quiet splash
>     Amend it to read:
> # defoptions=quiet splash usbcore.autosuspend=-1
>     It's meant to be commented out, so leave the hash at the  
> beginning of the
> line alone... Save and exit, then run ...
> sudo update grub
>     Ubuntu will regenerate grub.conf, using the new kernel command  
> line. Off
> to step 4 you go!
>
>     If you're using a non-Debian distro (e.g. Fedora), do the same  
> thing but
> edit the 'kernel' line instead. It might read:
> kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet  
> splash
>     Change it to:
> kernel          /boot/vmlinuz-2.6.24-8-generic root=LABEL=/ ro quiet  
> splash
> usbcore.autosuspend=-1
>
> 4)  Reboot your PC.
>
> This is a bit long-winded, but saves a kernel recompile, and a ton  
> of messing
> around recompiling kernels when Ubuntu do another release.
>
> I'm working on what I consider to be a better fix, which involves  
> using the
> kernel's Quirks function to disable USB suspend just for the DiBcom
> controllers. That is, the kernel won't try and suspend them at all...
>
> Thanks,
> -- 
> Phil.                         |  (\_/)  This is Bunny. Copy and  
> paste Bunny
> lists at philpem.me.uk           | (='.'=) into your signature to help  
> him gain
> http://www.philpem.me.uk/     | (")_(") world domination.
>
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