On Wed, Mar 12, 2008 at 9:34 PM, Patrik Hansson <[EMAIL PROTECTED]> wrote:
>
> On Wed, Mar 5, 2008 at 12:03 AM, Ben Firshman <[EMAIL PROTECTED]> wrote:
>  > 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
>  >  > [EMAIL PROTECTED]           | (='.'=) into your signature to help
>  >  > him gain
>  >  > http://www.philpem.me.uk/     | (")_(") world domination.
>  >  >
>  >
>  >
>  > > _______________________________________________
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>  >
>  >
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>  >
>
>  I just want check something i just discovered.
>  Under /sys/module/dvb_core/parameters/ i have something called
>  dvb_powerdown_on_sleep
>  This i set to "1" for me.
>  I also have one called  dvb_shutdown_timeout and that is set to 0
>
>  Exactly what is it that options usbcore autosuspend=-1 controls ?
>
>  I would have expected that at least one of those should be -1
>

.....and now i see were i made my mistake (usbcore vs dvb_core) and
made a fool out of myself.
please disregard my last email.

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