[mythtv-users] debugging backend problems
M L Truscott
mltruscott at btinternet.com
Fri Apr 27 06:12:17 UTC 2007
On Tuesday 24 April 2007 21:01:47 Nick Morrott wrote:
> On 24/04/07, M L Truscott <mltruscott at btinternet.com> wrote:
> > On Tuesday 24 April 2007 00:10:41 Nick Morrott wrote:
> > > On 23/04/07, M L Truscott <mltruscott at btinternet.com> wrote:
> > > > I am having 2 serious problems with my system as the backend crashes
> > > > on a too regular basis and I occassionaly get blank recordings with
> > > > the message "the recording cannot be found".
> > >
> > > Does the mythbackend process crash, or does the whole system crash?
> > Only the backend process crashes, the rest of the system is fine
> > including Myth-frontend.
> (replies edited inline)
> Are you running mythcommflag on your recordings? If you are, disable
> it and see if the problems go away.
> > > > How do I find the root causes of these problems?
> > > >
> > > > The log in /var/log just stops for the backend halting - no error
> > > > messages.
> > >
> > > What hardware are you using?
> > I am using an athlon 3200 with 2 pci dvb-t cards and a hauppage usb
> > nova-t stick.
> I'd be tempted to remove the USB stick whilst debugging initially and
> just keep the 2 PCI DVB cards in operation. Does MythTV successfully
> record from all 3 DVB devices when the system is operating normally?
> > > What version of MythTV are you running?
> > The mythtv version is 0.20 that is with the current ubuntu.
> > > What logging verbosity are you using for your MythTV logs?
> > Verbosity is whatever is standard.
> You should increase verbosity to include at least record in your
> backend log. You should also closely monitor dmesg and your syslog for
> any entries around the time of a crash.
Thanks for the help - I have taken the USB stick out and the machine has been
up for 48 hours. This is at least 4 x what it did with it.
Any idea if the problem could be connected to the problem mentioned about the
nova-t dual tuner stick? (I am guessing, yes).
More information about the mythtv-users