On Wed, Mar 12, 2008 at 9:34 PM, Patrik Hansson <patrik@xxxxxxxxxxxxxxx> wrote: > > On Wed, Mar 5, 2008 at 12:03 AM, Ben Firshman <ben@xxxxxxxxxxxxxx> 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 > > > lists@xxxxxxxxxxxxx | (='.'=) into your signature to help > > > him gain > > > http://www.philpem.me.uk/ | (")_(") world domination. > > > > > > > > > > _______________________________________________ > > > linux-dvb mailing list > > > linux-dvb@xxxxxxxxxxx > > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > > > > > > _______________________________________________ > > linux-dvb mailing list > > linux-dvb@xxxxxxxxxxx > > http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb > > > > 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. _______________________________________________ linux-dvb mailing list linux-dvb@xxxxxxxxxxx http://www.linuxtv.org/cgi-bin/mailman/listinfo/linux-dvb
