freeze when entering from screensaver

Discussions related to using VirtualBox on Windows hosts.

freeze when entering from screensaver

Postby tor2 » 3. May 2019, 11:50

Since updating from 5.2 to 6.0.6, each time I leave the VM for a while and I try to go back and enter again in Win7 guest it freezes. I've attached the log. I hope it helps.
Thanks.
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freeze vdub.zip
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Re: freeze when entering from screensaver

Postby mpack » 3. May 2019, 12:57

Try disabling the screensaver and hard disk power saving features of the guest. Neither are needed for virtual hardware.
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Re: freeze when entering from screensaver

Postby socratis » 3. May 2019, 21:08

According to the forum rules, duplicate posts are not allowed. I've removed your duplicate post from the thread Issues with a freezing Windows 10 guest.
If you obfuscate any information requested, I will obfuscate my response. These are virtual UUIDs, not real ones.
Do NOT reply with the "QUOTE" button, please use the "POST REPLY", at the bottom of the form.
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Re: freeze when entering from screensaver

Postby Byggwir » 22. May 2019, 10:13

I think disabling screensaver is only a inferior workaround and not a solution.

It shows an inner problem. And it is widening.
I noticed the problem with Mint 18 issues in 6.0.4 myself. Back then Win Guests were still working without problems (for me). See https://forums.virtualbox.org/viewtopic.php?f=3&t=91915 on reports of others.
Now I have problems with windows 10 guests starting from 6.0.6 and 6.0.8 and looks like I am not the only one. So this spreads.
Currently for windows 10 hosts I use 6.0.4 to avoid the problem.

Since this spreads I get more and more reluctant to upgrade but I don't feel safe with 6.0.4 either as there are already problems with the linux guests. It is a sign that something is wrong and getting bigger. Not being addressed to me means that the newer virtualization versions are unreliable (being said in reply to what socratis said in the linked linux problem). I doubt that any effects of freezing to what cause whatsoever don't have any impact on something else.
Hope that this gets addressed in some near future. It is essential for stability in my point of view.

This being said it is just my opinionated answer.
best regards
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Re: freeze when entering from screensaver

Postby mpack » 22. May 2019, 11:08

Why would the devs put any resources into a feature that is pointless in a virtual machine? Just use the inferior workaround.
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Re: freeze when entering from screensaver

Postby Byggwir » 4. Jul 2019, 08:03

It is not a pointless feature. If you would use virtualbox for software testing for example then this is something essential as part of the test cycle. customer machines almost always are locked at some time or go in hibernate or other sleep mode.
And additionally as I said before the mechanism for going to sleep or blackscreening on idle and reawakening a machine also shows that there are deeper problems likely.
Although you can license virtualbox professionally leaving bugs like this open is probably the reason why I don't even know one company that does their software testing with virtualbox.
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Re: freeze when entering from screensaver

Postby andyp73 » 4. Jul 2019, 08:35

Byggwir wrote:Although you can license virtualbox professionally leaving bugs like this open is probably the reason why I don't even know one company that does their software testing with virtualbox.

Purchasing licenses for VirtualBox is also the way to get the devs to look more seriously at this "issue". You will need to break out your cheque book and start at $6,100. In the mean time, if VirtualBox doesn't do what you need and other virtualisation solutions do then no-one is making you stay.

-Andy.
My crystal ball is currently broken. If you want assistance you are going to have to give me all of the necessary information.
Please don't ask me to do your homework for you, I have more than enough of my own things to do.
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Re: freeze when entering from screensaver

Postby mpack » 4. Jul 2019, 10:20

Byggwir wrote:Although you can license virtualbox professionally leaving bugs like this open is probably the reason why I don't even know one company that does their software testing with virtualbox.

VirtualBox revenue comes entirely from business support contracts, so I rather assume that the devs have a better idea of what their paying customers want - and how many there are - than you do.
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