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 Post subject: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Sun Dec 11, 2011 12:00 pm 
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Joined: Sun Jun 14, 2009 6:00 pm
Posts: 512
While debugging, I get various errors, like "ContextSwitchDeadlock" and some kind of COM disconnect error. I'm not sure how these show when not debugging, but so far I have not been able to burn an audio disc successfully in debug mode. Could you please check if that can be fixed?


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Mon Dec 12, 2011 8:01 am 
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Joined: Thu Dec 13, 2007 8:44 am
Posts: 601
Hello,

Thanx, Checking...

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Tue Dec 13, 2011 4:36 pm 
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I believe that in non-debug mode, it sometimes causes the application to hang (forever) after inserting a new disc. Maybe there is a problem with thread safety that needs to be addressed. I can reproduce that quite reliably on my own computer. Let me know what details you need to fix that issue.


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Wed Dec 14, 2011 4:13 pm 
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Hello,

At the first we should reproduce this error here!

Regards,

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Wed Dec 14, 2011 5:51 pm 
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OK. At one occasion, it hanged when accessing Device.DiscInfo.DiscType of a drive in the UI thread, after calling Drive.DiscInfo.Refresh() in a background thread.


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Fri Dec 16, 2011 5:16 pm 
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Joined: Thu Dec 13, 2007 8:44 am
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Ok! THANX!!! :)

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Sun Jan 15, 2012 11:28 am 
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Joined: Sun Jun 14, 2009 6:00 pm
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Did you find anything in regard to this issue? Can I do something to help you?


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Thu Jan 26, 2012 10:32 am 
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Joined: Thu Dec 13, 2007 8:44 am
Posts: 601
Hello,

Yes, I guess we have found source of this problem! We will fix it in the next build!

What you can do right now to fix this issue ... you should cache the DiscInfo object for the UI thread and call all methods directly on this object!!

Regards,

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Thu Jan 26, 2012 3:17 pm 
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Joined: Sun Jun 14, 2009 6:00 pm
Posts: 512
That's great :)

I guess I won't create an artificial workarounds for now since not that many users are complaining, but I'd appreciate a timely update.


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Sun Feb 19, 2012 10:34 am 
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In regard to these strange issues: This release also appears to prevent my app from shutting down correctly on Windows XP. On Windows 7 it exits properly, but when run on Windows XP, when the list of drives has been loaded, the process does not exit after all windows has been closed. Any ideas?


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Mon Feb 27, 2012 6:41 pm 
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flöle wrote:
In regard to these strange issues: This release also appears to prevent my app from shutting down correctly on Windows XP. On Windows 7 it exits properly, but when run on Windows XP, when the list of drives has been loaded, the process does not exit after all windows has been closed. Any ideas?


To provide a bit more detail: It does no longer shut down as soon as an ImageBurner-object has been created. Even running a Marshal.ReleaseComObject() on the created object does not make the application exit. Creating a DVDVideoBurner or AudioBurner instead does not cause the issue. So I would guess that is something you need to look into.


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Tue Feb 28, 2012 1:54 pm 
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Joined: Thu Dec 13, 2007 8:44 am
Posts: 601
Hmm ... interesting ...

We will check it! Many thanx!

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Mon Mar 19, 2012 8:51 pm 
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Any new release in sight yet?


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Wed May 16, 2012 1:03 pm 
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Joined: Thu Dec 13, 2007 8:44 am
Posts: 601
Hello,

The new version ( v.13 ) is released, could you check your issue with new version?

Regards,

Dmitry


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 Post subject: Re: ContextSwitchDeadlock /COM MDA erros with latest release
PostPosted: Thu May 17, 2012 11:07 am 
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Joined: Sun Jun 14, 2009 6:00 pm
Posts: 512
Currently trying, but didn't get very far. Whenever I call the UDFDataBurnerClass.GetFileObject() method, I get an exception if the object to find does not exist, instead of a null return value: 0x800402AA

Log attached.

And MDAs are not gone yet: http://www.starburnsoftware.com/forum/post12776.html#p12776


Attachments:
StarBurn.zip [7.08 KiB]
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