[ubuntu-mythtv] [Bug 130194] Some tuner cards will not resume after suspend/hibernate

CaptainSeabag captainseabag at gmail.com
Fri Aug 3 16:26:26 BST 2007


Public bug reported:

Binary package hint: mythtv

Hi. There seems to be an issue with some tuner cards not waking up after
a suspend or hibernate. My motherboard is an Asus A7V400-MX, and I've
tried it with the Hauppauge WinTV PVR-150MCE PCI tv tuner card, as well
as the Hauppauge Wintv-PVR-USB2 usb external tuner card. I have also
tried the PCI card in my brother's nForce board, with the same results.
(These boards resume from suspend/hibernate fine otherwise.)

After resuming, using the command "mplayer /dev/video0" will not display
a TV channel window at all, as it is does after a fresh restart.

I believe it just may be certain motherboards, as plenty of other people
have these cards and seem to be fine with them. I'll try it on other
boards.

Superm1 on the ubuntu-mythtv IRC channel suggested going into
/etc/defaults/acpi-support and adding a few modules to the module list,
such as ivtv and ivtv2. This suspends the modules before a
suspend/hibernate, and resumes them upon resume. After adding these to
the file, I hibernated the machine, and using the command "mplayer
/dev/video0" displayed the TV channel window, but the entire window was
blue.

The twist: The screen is blue, but the sound is functional! Weirder yet,
when I pull up another app, such as rhythmbox, and move the rhythmbox
around, the video flickers while it redraws the rhythmbox window, and
for a split second you see the video window for the tuner displaying a
show!!!

** Affects: mythtv (Ubuntu)
     Importance: Undecided
         Status: New

-- 
Some tuner cards will not resume after suspend/hibernate
https://bugs.launchpad.net/bugs/130194
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