On Tue, Feb 26, 2008 at 8:18 PM, Philip Pemberton <lists@xxxxxxxxxxxxx> 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@xxxxxxxxxxxxx | (='.'=) into your signature to help him gain > http://www.philpem.me.uk/ | (")_(") world domination. > It was a module and i put the option i /etc/modprobe.d/options next to options dvb-usb-dib0700 force_lna_activation=1 Running now, will be back with the results. On a side note: Could that be the reason debug=15 also might work as a workaround, there is so much traffic that the usb never suspends ? Thanks Phil for the "fix", hope it stays stable.. _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
