Random Crashes :-(
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- Posts: 1
- Joined: Mon May 22, 2017 4:41 am
- Real Name: John R Jr
Unfortunately I'm still able to consistently reproduce the issue by quickly moving multiple faders quickly (usually 5-6). I'm using QLC+ 4.11.0.65, Windows 8.1, and the workspace linked earlier in this thread. I have the same issue in my own, different workspace as well. I did a clean install of QLC+, I've tried swapping the APC mini cable, and I did reboot after reproducing the issue the first time.
- mcallegari
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You're right guys. Tested again and it's still happening 
I was so happy I saw it working yesterday, but I guess I got tricked by how Qt on Windows works.
This doesn't happen on Linux, so if you have important gigs soon, I suggest to go that way until I find a way to fix this.

I was so happy I saw it working yesterday, but I guess I got tricked by how Qt on Windows works.
This doesn't happen on Linux, so if you have important gigs soon, I suggest to go that way until I find a way to fix this.
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- Joined: Tue Aug 30, 2016 9:42 am
- Real Name: Antoine THOMAS
I have a show tomorrow so i installed linux and the problem isn't there you are right
.
Unfortunately it seems that I don't have win10 anymore
I will fix it after the festival and install windows back and try when you have a solution.
Thanks for your efforts they are appreciated !

Unfortunately it seems that I don't have win10 anymore

I will fix it after the festival and install windows back and try when you have a solution.
Thanks for your efforts they are appreciated !
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- Joined: Sat Feb 06, 2016 2:22 pm
- Real Name: Dino Loss
Hi, I tried again with the same workspace and I turned off feedback, QLC + doesn't lock !!! It looks like it works without stopping.
- Attachments
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- feedback.PNG (9.1 KiB) Viewed 6742 times
AKAI APC mini
Behringer Eurolight LC2412
Enttec DMX USB PRO MK2
Windows 7 64
Behringer Eurolight LC2412
Enttec DMX USB PRO MK2
Windows 7 64
- hplighting
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- Joined: Sun Dec 18, 2016 2:58 pm
- Location: England
- Real Name: Henry
What version of Linux would you recommend using then? I'm doing a festival on the 16th June so fingers crossed that it will be fixed by then, atleast the Linux version is stable though.mcallegari wrote: ↑Mon May 22, 2017 5:58 pm You're right guys. Tested again and it's still happening
I was so happy I saw it working yesterday, but I guess I got tricked by how Qt on Windows works.
This doesn't happen on Linux, so if you have important gigs soon, I suggest to go that way until I find a way to fix this.
- mcallegari
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- Joined: Sun Apr 12, 2015 9:09 am
- Location: Italy
- Real Name: Massimo Callegari
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I think right now the choice is Ubuntu 16.04hplighting wrote: ↑Mon May 29, 2017 12:00 pmWhat version of Linux would you recommend using then? I'm doing a festival on the 16th June so fingers crossed that it will be fixed by then, atleast the Linux version is stable though.mcallegari wrote: ↑Mon May 22, 2017 5:58 pm You're right guys. Tested again and it's still happening
I was so happy I saw it working yesterday, but I guess I got tricked by how Qt on Windows works.
This doesn't happen on Linux, so if you have important gigs soon, I suggest to go that way until I find a way to fix this.
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- Posts: 9
- Joined: Tue Aug 30, 2016 9:42 am
- Real Name: Antoine THOMAS
Yes ubuntu 16 worked just well for me.
I just had some feedback problems but the light were working fine.
Just a little tip:
It is another topic for later ( i haven't search for the moment) but, sometimes the light feedback on akai wasn't working. even when rebooting QLC. Only way was to reboot linux.
I just had some feedback problems but the light were working fine.
Just a little tip:
It is another topic for later ( i haven't search for the moment) but, sometimes the light feedback on akai wasn't working. even when rebooting QLC. Only way was to reboot linux.
- mcallegari
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- Real Name: Massimo Callegari
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Hey guys, I think this time I've got it.
Please test as soon as you can Windows version 4.11.0.105
If it doesn't freeze anymore, please help me also to test inverted sliders, range values, monitor level, controller feedbacks, etc.
Basically I need to make sure I haven't regressed on anything else.
This is the last issue blocking 4.11.0 to be released.
Thanks
Please test as soon as you can Windows version 4.11.0.105
If it doesn't freeze anymore, please help me also to test inverted sliders, range values, monitor level, controller feedbacks, etc.
Basically I need to make sure I haven't regressed on anything else.
This is the last issue blocking 4.11.0 to be released.
Thanks
- hplighting
- Posts: 15
- Joined: Sun Dec 18, 2016 2:58 pm
- Location: England
- Real Name: Henry
Thanks Massimomcallegari wrote: ↑Fri Jun 09, 2017 6:21 pm Hey guys, I think this time I've got it.
Please test as soon as you can Windows version 4.11.0.103
If it doesn't freeze anymore, please help me also to test inverted sliders, range values, monitor level, controller feedbacks, etc.
Basically I need to make sure I haven't regressed on anything else.
This is the last issue blocking 4.11.0 to be released.
Thanks

I'll try and give it a go, doing a festival next weekend so hopefully this will have fixed it!
What was causing the crash in the end?
Henry P
- mcallegari
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As mentioned before, it was not a crash. If it was, I would have found a solution way earlier !hplighting wrote: ↑Fri Jun 09, 2017 7:37 pmThanks Massimomcallegari wrote: ↑Fri Jun 09, 2017 6:21 pm Hey guys, I think this time I've got it.
Please test as soon as you can Windows version 4.11.0.103
I'll try and give it a go, doing a festival next weekend so hopefully this will have fixed it!
What was causing the crash in the end?
Henry P
The QLC+ process was completely freezing and it was not possible to kill it completely (thus the only way to recover was to reboot Windows)
The cause is not so easy to explain. It was a mixture of UI updates and MIDI signals (I think feedbacks were involved too)
The latest change separates engine updates from UI updates and it seems to be the way to go.
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- Joined: Sat Feb 06, 2016 2:22 pm
- Real Name: Dino Loss
I'm sorry, nothing has changed, same identical problem!mcallegari wrote: ↑Fri Jun 09, 2017 6:21 pm Hey guys, I think this time I've got it.
Please test as soon as you can Windows version 4.11.0.105
If it doesn't freeze anymore, please help me also to test inverted sliders, range values, monitor level, controller feedbacks, etc.
Basically I need to make sure I haven't regressed on anything else.
This is the last issue blocking 4.11.0 to be released.
Thanks
The only way to avoid blocking is to disable feedback on the apc mini
AKAI APC mini
Behringer Eurolight LC2412
Enttec DMX USB PRO MK2
Windows 7 64
Behringer Eurolight LC2412
Enttec DMX USB PRO MK2
Windows 7 64
- mcallegari
- Posts: 4932
- Joined: Sun Apr 12, 2015 9:09 am
- Location: Italy
- Real Name: Massimo Callegari
- Contact:
Hey guys, new test build available (116)
Please give it a go and report.
This is taking too long to get fixed and I really need to release 4.11.0
Thanks for the cooperation
Please give it a go and report.
This is taking too long to get fixed and I really need to release 4.11.0
Thanks for the cooperation
- luca
- Posts: 14
- Joined: Tue Feb 23, 2016 11:43 am
- Location: Rome
- Real Name: lucas
hi ,
This is my experience with 4.10.5b and 4.11.0.xxx on windows 10 (windows 7 works properly) :
1 - open qlc+
2 - go to Inputs/Outputs
3 - set midi in on universe ( 1 2 3 or 4)
4 - connect, or disconnect, one usb device ( usb pendrive, mouse)
Now I lost midi comunication .
For restore comunication:
5 - With a double click on a midi line "MIDI" on "Mapping" pannel, open configure midi plugin
6 - Press "Refresh" to find midi device
Some times windows display "qlc has stoped to working" .
Luca
viewtopic.php?f=24&t=11240
This is my experience with 4.10.5b and 4.11.0.xxx on windows 10 (windows 7 works properly) :
1 - open qlc+
2 - go to Inputs/Outputs
3 - set midi in on universe ( 1 2 3 or 4)
4 - connect, or disconnect, one usb device ( usb pendrive, mouse)
Now I lost midi comunication .
For restore comunication:
5 - With a double click on a midi line "MIDI" on "Mapping" pannel, open configure midi plugin
6 - Press "Refresh" to find midi device
Some times windows display "qlc has stoped to working" .
Luca
viewtopic.php?f=24&t=11240