More > JRiver Media Center 22 for Linux
MC22 for Linux crashing on Raspberry Pi 3
bob:
--- Quote from: blgentry on June 13, 2017, 09:15:08 am ---Regarding memory: I'll do a few top sessions while playing and see what I see.
I've also been investigating using XPRA instead of X11VNC. XPRA, if you're not familiar, is another remote display technology. XPRA is different than VNC in several potentially beneficial ways:
1. XPRA does not use a "desktop". XPRA simply displays one or more windows on the remote display. So, when you fire up an XPRA session on the Pi, it initially has nothing. Then, when you run mediacenter22, the XRPA session has just one window: MC22 . When you connect to it with your XPRA client, you only see this one window. Less programs running should mean lower memory utilization.
2. XPRA includes half a dozen different types of video compression. With "real computers" XPRA's video performance is really good. I don't mean watching moving video. I mean moving windows or resizing them, or things like that. With VNC these operations result in ugly repainting of the window, which is slow and mildly in the way of getting things done. XPRA generally out performs VNC in this regard.
3. XPRA doesn't require a real display to be mirrored like X11VNC does. This reduces complexity in my mind.
The bad new is, I can't get XPRA to install under Raspian. It get a dependency error, which I've been unable to resolve so far. I've considered building it from source, but I haven't yet decided to invest that amount of time and effort.
In case anyone is interested:
https://xpra.org/
XPRA has clients for Windows, Mac, and Linux.
Brian.
--- End quote ---
That sounds very interesting.
Without a window manager, MC will require a couple of changes (like to DSP studio where you can only exit by using the WM's close box).
blgentry:
I've only been able to test MC22 in XPRA in loopback mode: Running XPRA server and client on the same Linux box. The one I'm typing on right now actually. :)
In loopback mode with XPRA, MC acts a little funny. For the first 20 to 60 seconds it does weird stuff on the display. But then it settles down and is usable. As a test I popped up the DSP Studio window. XPRA wrapped it with the normal window manager controls, so I was able to easily close it.
I'll have to do some more testing if I can get access to a second machine on this network.
Brian.
blgentry:
Well, the good news is that MC hasn't crashed since I changed the config.txt to include the couple of settings from the setup guide. I think it was these two that did it:
--- Code: ---framebuffer_depth=32
framebuffer_ignore_alpha=1
--- End code ---
I'll keep monitoring it. Seems good for now. :)
Brian.
blgentry:
I just had it crash twice more. I'm not sure what's going on. But it definitely happened both times today while I was using EOS remote to add albums to Playing Now.
Same error message as before.
Brian.
mwillems:
--- Quote from: blgentry on June 17, 2017, 03:11:36 pm ---I just had it crash twice more. I'm not sure what's going on. But it definitely happened both times today while I was using EOS remote to add albums to Playing Now.
Same error message as before.
Brian.
--- End quote ---
Does it happen with any other remotes or just eos? I don't use eos anymore, but I can try and see if I can repro it with eos.
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