On Thursday 17 September 2009 03:05:51 sdkovacs wrote:
> On Tue, Sep 15, 2009 at 1:25 PM, Hans Verkuil <[email protected]> wrote:
> > On Tuesday 15 September 2009 19:04:14 sdkovacs wrote:
> >> I'm re-sending this email as per the instructions on the "asking for
> >> help" page on the ivtvdriver wiki. The freezes persist and the WAF is
> >> plummeting, unfortunately.
> >>
> >> Any advice is appreciated.
> >>
> >>
> >> ---------- Forwarded message ----------
> >> From: sdkovacs <[email protected]>
> >> Date: Fri, Sep 11, 2009 at 3:37 PM
> >> Subject: PVR-350 decoder freezing on CentOS 5.3
> >> To: User discussion about IVTV <[email protected]>
> >>
> >>
> >> A couple of months ago I moved from Fedora 8 to CentOS 5. Since the
> >> move I have had occasional freezing of the PVR-350 decoder on MythTV.
> >> I'm running the xdriver, so after the freeze, I need to reboot the
> >> machine to get X working again. The obvious steps seem to have been
> >> taken, and I'm at a loss as to how to continue troubleshooting. Any
> >> advice would be appreciated.
> >>
> >> The hardware:
> >>
> >> P4 2.8Ghz
> >> 1.2GB RAM
> >> 25GB system disk
> >> 320Gb recordings disk
> >>
> >> Disabled the cpuspeed daemon:
> >>
> >> cpuspeed 0:off 1:off 2:off 3:off 4:off 5:off 6:off
> >>
> >> Disabled hyperthreading:
> >>
> >> kernel /vmlinuz-2.6.18-128.7.1.el5 ro root=LABEL=/ rhgb quiet noht
> >>
> >>
> >> IVTV information:
> >>
> >> ivtv: ==================== START INIT IVTV ====================
> >> ivtv: version 0.10.6 (tagged release) loading
> >> ivtv: Linux version: 2.6.18-128.7.1.el5 SMP mod_unload 686 REGPARM
> >> 4KSTACKS gcc-4.1
> >
> > ivtv-0.10.6 is really, really old. I no longer provide support for it.
> > You have two options: 1) upgrade to a newer kernel, I recommend 2.6.26 or
> > up.
> > 2) install the v4l-dvb drivers (the 'bleeding edge' drivers as mentioned on
> > ivtv-drivers.org). I believe these will compile for 2.6.18, but I'm not 100%
> > certain.
> >
> > Note that the v4l-dvb repository may have some compilation problems since a
> > lot of merge work is ongoing to prepare for the next linux kernel. It should
> > be stable again in a week or two.
> >
> > Regards,
> >
> > Hans
> >
>
> Hi Hans,
>
> I upgraded to the bleeding edge v4l-dvb driver which seems to be version
> 1.4.1:
> ivtv: Start initialization, version 1.4.1
>
> After about 20 minutes of playback the machine hard froze without any
> error messages in the mythfrontend.log or /var/log/messages.
>
> Any tips on further troubleshooting?
Brr, hard to say. One is to check /proc/interrupts and see if ivtv is sharing
interrupts with another driver. If that other driver is buggy, then that may
cause problems. You can try to move the card to another slot.
Another is to upgrade to a newer kernel.
The problem is that I haven't seen such issues for ages now. What kernel
were you running under Fedora 8? Was that also 2.6.18?
Regards,
Hans
--
Hans Verkuil - video4linux developer - sponsored by TANDBERG Telecom
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