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Chris G1
81 discussion posts
Since the upgrade to v9 I have been getting CPU spikes where there is prolonged CPU utilization 85%-100%. Under 9.0 it would spike to 100% that I would have to kill DF and restart. I'm now on DF 9.1 Beta 1 and still see the spikes but they are not as prolonged.

What can I do to help troubleshoot this?
Nov 7, 2017  • #1
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Could you attach a copy of your troubleshooting info?
  • Open the Settings > Troubleshooting tab
  • Click the "Copy to Clipboard" button
  • Paste the text into a text file (please don't paste the text directly into your reply, the formatting gets garbled and makes it difficult to parse)
  • Reply with the file attached
Nov 7, 2017  • #2
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TMacAG
2 discussion posts
I also am experiencing this issue. I've attached my log export if this assistances in finding the issue.
• Attachment [protected]: DisplayFusionDebugInfo.zip [27,311 bytes]
Nov 7, 2017  • #3
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Chris G1
81 discussion posts
Here's mine - thanks.
• Attachment [protected]: DisplayFusionDebugInfo.zip [28,392 bytes]
Nov 7, 2017  • #4
Keith Lammers (BFS)'s profile on WallpaperFusion.com
@TMacAG: Your issue is different than this one. I've replied for that in the other thread.

@Chris: How long are the CPU spikes, and how frequently do they occur?
Nov 7, 2017  • #5
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Chris G1
81 discussion posts
@Keith: Typically its occurring at least once a day - seems to occur the most when display resolution changes (e.g. undocking or docking my laptop). This didn't occur at all with DF8.
Nov 7, 2017  • #6
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, could you send me a full debug log?
  • On the DisplayFusion Settings > Troubleshooting tab, change the Logging drop-down to "L1: Log Minimal" and click Apply
  • The next time it occurs, note the time so we'll know where to check in the log file
  • Send us the DisplayFusion.log and DebugInfo.html files (can be found by clicking the Open Log button on the Troubleshooting tab)
  • Disable debug logging after sending the log
Nov 10, 2017  • #7
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Chris G1
81 discussion posts
Finally reoccurred today 11/27 at 10:30am - log file attached. I had to end task DF to regain control of my PC.
• Attachment [protected]: DisplayFusionDebugInfo11272017.zip [430,406 bytes]
Nov 27, 2017  • #8
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks! Did anything specific happen around the time of the CPU/hang issue? Did the Windows theme change to/from Aero Basic or anything like that?
Nov 27, 2017  • #9
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Chris G1
81 discussion posts
No resolution/Aero changes. Laptop was docked whole time and I was just running standard Office 2016 apps mainly. I noticed the slow down when I came to make a VoIP call using Cisco Jabber as DTMF tones were getting delayed and then noticed CPU usage spike.

Interestingly though when I killed the DF process and restarted it, DF started consuming 70-80% CPU again so had to kill it again. On the 3rd attempt it was ok.
Nov 27, 2017  • #10
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Ok, thanks! If you disable the TitleBar Buttons (Settings > Functions) or Multi-Monitor Taskbar (Settings > Taskbar), does this still occur?
Nov 27, 2017  • #11
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Chris G1
81 discussion posts
Is that something I can turn off when the issue occurs? I assume not as DF is pretty unresponsive when the issue occurs.

The problem is this issue doesn't occur very frequently so I'd have to turn off those key features indefinitely which sort of defeats the purpose of using DF. Is there another approach I can take - e.g. next level of logging, perhaps? Thanks.
Nov 27, 2017  • #12
Keith Lammers (BFS)'s profile on WallpaperFusion.com
You can try setting key combinations on the "Toggle Multi-Monitor Taskbars" and "Toggle TitleBar Buttons" functions (Settings > Functions) and see if those will disable them when it occurs. If not, can you try enabling L2 logging and send a new log?
Nov 28, 2017  • #13
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Chris G1
81 discussion posts
Ok will do. It actually happened again today but I didn't have the logging / shortcuts set up.

Is there a way to turn the sounds off when using the keyboard shortcuts?
Nov 28, 2017  • #14
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Chris G1
81 discussion posts
Ok just happened again around 11am 11/29. This time it seem to start after unlocking my workstation and entering the desktop. L2 log attached.
• Attachment [protected]: DisplayFusionDebugInfo11282017.zip [270,620 bytes]
Nov 29, 2017  • #15
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks! Unfortunately the log doesn't show anything relevant. However, we do have a couple of thoughts on this. They will take some time to investigate, but we'll definitely post an update when we think we've gotten this sorted out.

Thanks for your help with troubleshooting so far!
Dec 1, 2017  • #16
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Chris G1
81 discussion posts
Thanks Keith!

In the meantime can I downgrade back to DF8 as it worked fine there? Are there specific steps I need to follow?

Chris.
Dec 6, 2017  • #17
Keith Lammers (BFS)'s profile on WallpaperFusion.com
No special steps needed, just download 8.1.2 from the link below and run it :)
https://www.displayfusion.com/OldVersion/
Dec 7, 2017  • #18
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Chris G1
81 discussion posts
Thanks - do I need to uninstall DF9 first and then install DF8? Will it keep my settings or should I take a REG backup and restore from that?
Dec 7, 2017  • #19
Keith Lammers (BFS)'s profile on WallpaperFusion.com
A backup wouldn't be a terrible idea, but no need to uninstall first. Just run the 8.1.2 installer and it will overwrite the program files while keeping your settings intact.
Dec 7, 2017  • #20
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Would you be able to try out DisplayFusion 9.2 Beta 1 to see if the issue still exists?
Apr 27, 2018  • #21
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Chris G1
81 discussion posts
Quote:
Would you be able to try out DisplayFusion 9.2 Beta 1 to see if the issue still exists?


Have installed - will report back in a few days! Thanks.
Apr 30, 2018  • #22
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Chris G1
81 discussion posts
So far so good. I had one spike coming out of standby on my laptop but it went down within 20-30 secs, otherwise it has been fine.
May 4, 2018  • #23
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Awesome, glad to hear it!
May 4, 2018  • #24
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Chris G1
81 discussion posts
Quote:
Awesome, glad to hear it!


So I had a CPU spike just now with DF - it lasted about 1-2 mins. I did upgrade to Beta 2 over the weekend. I've added logs if that helps.
• Attachment [protected]: DisplayFusion.zip [76,161 bytes]
• Attachment [protected]: DisplayFusionDebugInfo.zip [97,477 bytes]
May 8, 2018  • #25
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Thanks Chris! We'll be working on this some more for future betas, so we'll be sure to post an update when we have another build to try.

Thanks!
May 8, 2018  • #26
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Chris G1
81 discussion posts
Quote:
Thanks Chris! We'll be working on this some more for future betas, so we'll be sure to post an update when we have another build to try.

Thanks!


I notice 9.2 and subsequently, 9.2.1 have been released - should I ignore those for now?
May 25, 2018  • #27
Keith Lammers (BFS)'s profile on WallpaperFusion.com
Yeah, we still haven't been able to track this down. We're going to have another go at it for 9.3.
May 25, 2018  • #28
Keith Lammers (BFS)'s profile on WallpaperFusion.com
I have some hopefully very good news! I was finally able to reproduce the runaway CPU consistently here, and we're 99.99999% sure that we've gotten it fixed up. We released 9.3 this morning, but then found and fixed the CPU bug, so we've reposted it as DisplayFusionSetup-9.3c.exe. If you've already updated to 9.3, could you re-download it from our website and install it? Double-check that the setup file downloads as DisplayFusionSetup-9.3c.exe.

Thanks!
Jun 27, 2018  • #29
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Chris G1
81 discussion posts
Thanks! I have now migrated to Windows 10 which may have helped also but will report back if the issue reoccurs.
Jul 10, 2018  • #30
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