[mythtv-users] /dev/video1 Vanished?

[Mache Creeger]

Given that the nvidia drivers do not touch /dev/video0 or /dev/video1 
and only ivtv does, I was wondering why you think that changing the 
drivers would help other than it would just be a random item to change?

-- Mache

At 08:44 AM 10/18/2006, William Munson wrote:
>Mache Creeger wrote:
> > Since I upgraded from 0.19 to 0.20, I have found that random reboots
> > of my Fedora Core 5 version 2.6.17-1.2187 server with a dual tuner
> > WinTV PVR 500 card, Abit NF7-S2G motherboard, and Nvidia FX6200
> > graphics card, sometimes results in a missing "/dev/video1" and just
> > a "/dev/video0".  This does not happen all the time, just sometimes,
> > with no discernable reason.  When it does, the second tuner becomes
> > unavailable for use.
> >
> > When "/dev/video1" is missing, running "dmesg | grep ivtv" indeed
> > shows that when the first tuner was attempted to be initialized there
> > were problems loading the driver.  There never seems to be a problem
> > loading the very same drivers that failed for the first tuner for the
> > second tuner.
> >
> > I checked the Internet and noted that some folks have suggested that
> > "/proc/sys/kernel/hotplug" may be the problem.  On checking the
> > contents of the file, I have found it to be empty.  The discussion
> > groups suggested that I add "/sbin/hotplug" to the file before
> > rebooting.  While this action has helped in the frequency of the
> > server coming up with the proper configuration, I still cannot get
> > reliable, repeatable boots that always result in both "/dev/video0"
> > and "/dev/video1" being available.  Since power outages do cause
> > random reboots, I want to make sure that the machine will always
> > reboot to the proper state.
> >
> > Does anyone have an idea on how to fix this problem?
> >
> > -- Mache
> >
> > # rpm -qa | grep ivtv
> > ivtv-kmdl-2.6.17-1.2187_FC5-0.7.1-118.fc5.at
> > perl-Video-ivtv-0.13-8.fc5.at
> > ivtv-0.7.1-118.fc5.at
> > ivtv-firmware-1.8a-10.at
> >
> > # rpm -qa | grep nvidia
> > kmod-nvidia-1.0.8774-1.2.6.17_1.2187_FC5
> > nvidia-graphics8774-kmdl-2.6.17-1.2187_FC5-1.0_8774-75.fc5.at
> > xorg-x11-drv-nvidia-1.0.8774-1.lvn5
> > nvidia-graphics-devices-1.0-5.fc5.at
>My suggestion is to load a different version of the nvidia drivers. As
>far as I can tell, every version of nvidia drivers has some sort of
>problem and many of them are unusable with mythtv. The only version I
>have found to be stable is: 1:0.7.0-117 with firmware 2:1.8a-10. Kernel
>module 2.6.17-1.2142-FC4.
>
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