On Tue, Feb 26, 2008 at 8:37 PM, Patrik Hansson <patrik@xxxxxxxxxxxxxxx> wrote: > > 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.. > 20:37:40 up 1 day, 8 min ...and counting, both tuners working fine. There are two: [14153.150380] mt2060 I2C read failed [18967.903269] mt2060 I2C read failed recorded in dmesg but nothing fatal. _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
