[mythtv-users] Live & Recorded TV hangs & failures on amd64
Todd Ignasiak
ignasiak at gmail.com
Sat Jul 16 03:02:03 EDT 2005
I am seeing very similar behavior on my Ubuntu x86-64 box (I sent a
message about it yesterday).
I have around a 20% success rate for getting video when starting the
front end and going to live tv. Most of the time it just hangs in
black screen. The backend appears to be working, as I can view the
video in the ringbuf using vlc or mplayer. It's just the connection
to the frontend that appears to be messed up.
I also googled a couple more reports of behavior like this with x86-64 boxes..
Other than this, MythTV has been excellent for me.
-Todd
On 7/15/05, jgmtfia Mr <jgmtfia at gmail.com> wrote:
> I have setup a new amd64 3200+ with debian etch (testing) as a remote
> frontend. I am using the subversion trunk. In general I am getting
> very strange things happening. I am using a 2.6.12 kernel.
>
> Some of the problems include, when selecting to watch live tv, myth
> will hang on a black screen, and stay hung. No verbose output, just
> hangs. Same problem with watching recordings.
>
> Some times it does produce verbose output:
>
> mythtv$ mythfrontend
> 2005-07-16 00:25:20.326 New DB connection, total: 1
> Total desktop width=1600, height=1200, numscreens=1
> 2005-07-16 00:25:20.338 Running in a window
> 2005-07-16 00:25:20.347 Using screen 0, 1600x1146 at 0,27
> 2005-07-16 00:25:20.360 mythfrontend version: 0.19.20050712-1 www.mythtv.org
> 2005-07-16 00:25:20.360 Enabled verbose msgs : important general
> Total desktop width=1600, height=1200, numscreens=1
> 2005-07-16 00:25:20.511 Running in a window
> 2005-07-16 00:25:20.511 Using screen 0, 1600x1146 at 0,27
> 2005-07-16 00:25:20.522 Switching to square mode (Iulius)
> 2005-07-16 00:25:20.693 Joystick disabled.
> 2005-07-16 00:25:20.750 Registering Internal as a media playback plugin.
> 2005-07-16 00:25:22.166 New DB connection, total: 2
> 2005-07-16 00:25:22.203 Connecting to backend server:
> 192.168.2.24:6543 (try 1 of 5)
> 2005-07-16 00:25:22.228 Attempting to change from None to WatchingLiveTV
> 2005-07-16 00:25:22.239 Using protocol version 17
> 2005-07-16 00:25:23.370 taking too long to be allowed to read..
> 2005-07-16 00:25:42.367 StartPlayer() -- error
> 2005-07-16 00:25:42.425 LiveTV not successfully started
>
> and then hangs on the black output screen.
>
> And some times it works:
>
> mythtv$ mythfrontend
> 2005-07-16 00:26:42.489 New DB connection, total: 1
> Total desktop width=1600, height=1200, numscreens=1
> 2005-07-16 00:26:42.502 Running in a window
> 2005-07-16 00:26:42.511 Using screen 0, 1600x1146 at 0,27
> 2005-07-16 00:26:42.525 mythfrontend version: 0.19.20050712-1 www.mythtv.org
> 2005-07-16 00:26:42.525 Enabled verbose msgs : important general
> Total desktop width=1600, height=1200, numscreens=1
> 2005-07-16 00:26:42.672 Running in a window
> 2005-07-16 00:26:42.672 Using screen 0, 1600x1146 at 0,27
> 2005-07-16 00:26:42.673 Switching to square mode (Iulius)
> 2005-07-16 00:26:42.859 Joystick disabled.
> 2005-07-16 00:26:42.907 Registering Internal as a media playback plugin.
> 2005-07-16 00:26:44.016 New DB connection, total: 2
> 2005-07-16 00:26:44.052 Connecting to backend server:
> 192.168.2.24:6543 (try 1 of 5)
> 2005-07-16 00:26:44.076 Attempting to change from None to WatchingLiveTV
> 2005-07-16 00:26:44.087 Using protocol version 17
> 2005-07-16 00:26:45.235 taking too long to be allowed to read..
> 2005-07-16 00:26:47.278 Opening audio device 'default'.
> X Error: BadMatch (invalid parameter attributes) 8
> Major opcode: 142
> Minor opcode: 14
> Resource id: 0x1cb
> 2005-07-16 00:26:47.316 Couldn't get the color key color, and we need it.
> You likely won't select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in
> [5], left {0, 0})
> read(5, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 0 (Timeout)
> nanosleep({0, 100000000}, NULL) = 0
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) = 1
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> write(3, ";\3\5\0\23\0@\2\0\0\0\0t\1\330\0`\0H\0\234\6\5\0\16\2@"..., 76) = 76
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) = 1
> nanosleep({0, 100000000}, NULL) = 0
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) = 1
> nanosleep({0, 100000000}, NULL) = 0
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) = 1
> nanosleep({0, 100000000}, NULL) = 0
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) = 1
> nanosleep({0, 100000000}, NULL) = 0
> ioctl(5, FIONREAD, [0]) = 0
> write(6, "\0", 1) = 1
> ioctl(3, FIONREAD, [0]) = 0
> select(17, [3 4 5 10 16], [], [], {0, 0}) = 1 (in [5], left {0, 0})
> read(5, "\0", 1) get any video.
> 2005-07-16 00:26:47.464 Changing from None to WatchingLiveTV
> 2005-07-16 00:26:47.514 Realtime priority would require SUID as root.
> 2005-07-16 00:26:47.563 WriteAudio: buffer underrun
> 2005-07-16 00:26:47.652 Video timing method: USleep with busy wait
> 2005-07-16 00:26:47.674 prebuffering pause
>
> and other times it works but does not allow keyboard input. All in
> All very strange for myth.
>
> It is doing repeated selects when I look at an strace:
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