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[Afrosheen]

Your other logs didn't show the SystemPowerManager hanging, so that may be a red herring.  We need to try to narrow down the source of the problem so we can add log statements to the appropriate area.  How easy is it to make this happen on your system?  If you could try turning off one of these features one at a time and see if the problem stops at some point, that would give us good information:

1. media networking
2. auto-import (maybe you've already testing this)
3. podcasting (under podcasts select Home and "disable auto download")

One thing that's a little unusual in your setup, is that you've specified the Media Center "Temp" directory to be inside your main Music folder.  Could you try changing back to the default location and see if that helps at all?  The default is /Users/<username>/Library/Application Support/J River/Media Center 20/Temp.  You set the location in Options / File Location / Temporary files.

Hi JohnT,

First off thanks for the consideration!  I sincerely appreciate it!  I apologize for not being able to get back to you.  I had a tough time installing the SSD drive in my Mac Mini.  I'm hoping that it may also address the memory hanging issues.  But if it doesn't, I'll come back and help narrow the issues as best as I can:

To answer the question on how easy it is to replicate the hang, it seems pretty random.  I can't figure out why it happens.  I know JimH believes it's an import issue, but after turning off auto-import for a week, I still experienced hangs.  Though if it hangs again I will list the which of the three I've disabled to see if it hangs again. 

[windhoek]

I get hangs too and have tried the same sorts of potential remedies i.e. turn off auto-import, deselect pictures and videos from importing, but it still happens. I don't have a Mac Keyboard, so I'm reluctant to keep playing music because if it hangs, I have to hard-kill my Mac by powering off with the power button at the back of the machine and so have resorted to playing discs until there's a more reliable fix.

Fwiw, it's happened with stereo and m/c FLAC and stereo and m/c SACD ISO files and on JR 20.64

[Afrosheen]

I get hangs too and have tried the same sorts of potential remedies i.e. turn off auto-import, deselect pictures and videos from importing, but it still happens. I don't have a Mac Keyboard, so I'm reluctant to keep playing music because if it hangs, I have to hard-kill my Mac by powering off with the power button at the back of the machine and so have resorted to playing discs until there's a more reliable fix.

Fwiw, it's happened with stereo and m/c FLAC and stereo and m/c SACD ISO files and on JR 20.64

You can call up the Activity Monitor app and force quit the app there. 

[windhoek]

You can call up the Activity Monitor app and force quit the app there. 

Thanks for the info

I haven't played anything on Mac Mini for a quite a few days, maybe even a week and I'm just up and having my morning coffee so my brain is a little fuzzy, but iirrc, when the hang happens, I get the rainbow wheel of complete freeze and can't open or close anything including the machine itself. I'll try playing something later to test this out though and if it works (assuming I get a hang), I'll know I can kill the programme rather than killing the machine which is what I've been doing.

[paul.raulerson]

The main thread registers this:
54242057: 1949954816: General: CMCUICore::SystemPowerManager_UpdateActions: Start

And then just goes into la la land.

Is this a Mac log?  Because I thought only Windows ran that function.

Hey Matt - both Mike W. and I had this same issue in December, then it just "went away."  It just started reoccurring here about 4 days ago. If that is any help. There are some old log submissions in the thread where Mike reported it.

-Paul

[Afrosheen]

I experienced the first hang during this week.  The only thing that was significantly different was that I had left Safari open on my Mac Mini and I read some users here had some poor experiences with MC after Safari was opened.  In any case here's my log: https://www.dropbox.com/s/5sv8vsrtbc1qpp9/JRiver%20Log%202015-02-21%2023-37-03.zip?dl=0

[windhoek]

I've had good success for the last few times I've played JRiver on my Mac Mini with no crashes/ hangs. I de-seleted all the stuff I don't use, Podcasts and video support etc, no automatic updating and set JR to 'Audio Only' and so far so good; early days, but so far so good...

[JohnT]

I've had good success for the last few times I've played JRiver on my Mac Mini with no crashes/ hangs. I de-seleted all the stuff I don't use, Podcasts and video support etc, no automatic updating and set JR to 'Audio Only' and so far so good; early days, but so far so good...

I wondered about Podcasts, since those showed up in Afrosheen's logs as well.  It would be great if someone could confirm that the problem goes away if podcast subscriptions are disabled.  In the meantime, I'll load up on podcasts and see if I can repro anything here.  Thanks for the report.

[paul.raulerson]

Are you running headless? If so, I bet you are having some issues with the video driver. Try a HDMI or a Thunderbolt "cheater" connected to the video interface. That worked for me, though of course, YMMV.

Here is the one I have been using with success.

http://www.macnews.com/2014/10/28/newertech-announces-headless-mac-video-accelerator

[Afrosheen]

I wondered about Podcasts, since those showed up in Afrosheen's logs as well.  It would be great if someone could confirm that the problem goes away if podcast subscriptions are disabled.  In the meantime, I'll load up on podcasts and see if I can repro anything here.  Thanks for the report.

I've disabled auto download from the main Podcasts page under "Home."  I'll update at the end of the week if I don't get any hangs.

[Afrosheen]

I experienced another hang this morning and I had the podcasts disabled.

https://www.dropbox.com/s/ee9z19d9sjfvy8g/JRiver%20Log%202015-02-26%2006-57-15.zip?dl=0

[JimH]

What version are you using?

[Afrosheen]

I've been on .74 since the update came through on MC on Sunday.

[Afrosheen]

I'm starting to re-experience these locks now as they appear frequently on .87.  I will be returning to .80 unless more logs are requested. 

https://www.dropbox.com/s/5fnm255xqv9tj5x/JRiver%20Log%202015-04-12%2021-53-14.zip?dl=0

[glynor]

This sure looks like a hang in the logs:

Code: [Select]

35588061: 230146048: Sharing Plugins: CUDPSocketReader::Accept: Start
35604543: 1910653696: General: CMCUICore::SystemPowerManager_UpdateActions: Start
35604544: 1910653696: General: CMCUICore::SystemPowerManager_UpdateActions: UI Mode: -1000; Playing: 1
35604544: 1910653696: General: CMCUICore::SystemPowerManager_UpdateActions: Disable screen power for user option to keep display on
35604544: 1910653696: General: CMCUICore::SystemPowerManager_UpdateActions: Finish (result: 4) (0 ms)
35616667: 230146048: Sharing Plugins: CUDPSocketReader::Accept: Select error.
35616667: 230146048: Sharing Plugins: CUDPSocketReader::Accept: Canceled.
35616667: 230146048: Sharing Plugins: CUDPSocketReader::Accept: Deleting socket
35616667: 230146048: Sharing Plugins: CUDPSocketReader::Accept: Finish (28606 ms)
35633939: 194191360: Playback: CMJWaveFeeder::Thread: Finished feeder loop (bCancel: 0, bPlayed: 1)
35633939: 194191360: Playback: CMJWaveFeeder::Thread: Sending EOF
Is .80 working properly after you reverted?