Strange problem playing back files (spinning wheel)

Hello. I noticed 2 posts on this strange error, but decided to post my own here, because my issue may or may not be connected to MKVMerge. 

Recently I have tried playing various .mkv files. Since updating my firmware I have noticed odd behavior. I have my WDTV hooked up via ethernet to a shared SMB folder on an iMac. I can connect to and access this folder just fine. I can also play any file just fine, except when I start playback and later pause or stop playback, I get a blue spinning wheel that just keeps on spinning. Even if I turn WDTV off and on again, I still get the blue wheel while in the menu. It goes away only after I hard reset by pulling the power cord. This happens with virtually most .mkv files. Some times I stop playback and return to the menu, but the audio from the file keeps playing in the background.

Have any of you experienced this issue and is there a way around it? I’m slightly dissapointed, because my old WDTV played everything fine and now that I’ve upgraded to LIVE, I get these strange issues.

Thanks!

Well, then, you need to rule out MKVMerge as an issue first, right?

Yes. I was hoping to understand though, why this has become an issue suddenly, seeing as how there were no such issues with the previos firmware. 

Also, getting MKVMerge working on a Mac is a huge pain. Not to mention doing all the re-muxing with it from a command line with all the .mkv files that I have. I was hoping for a simpler solution.

There were no issues because the old, “good” version of MKVMerge didn’t have this behavior.  The new version (released in July) has caused these problems.  Of course, if you don’t download stuff illegally on the internet you’ll never run into this issue (because, as you say, you’re on a Mac so you wouldn’t create these problem files in the first place and there are NO commercial sources for “bad” MKV files).

I just discovered that this issue goes away when you turn off the “share WDTV on your network” setting. For some reason. 

Can you run this command on a Mac?   

 for i in *; do mkvinfo “$i”  | grep -i removal ;done

You’d need to have the MKVInfo utility available, and do that command in the folder that has the MKVs.

If you get anything that says " + Algorithm: 3 (header removal) "

then you have one of the suspicious MKV Files that won’t work on stock firmware, and will also screw up just about every thing else if the WDTV tries to access it.