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0.78: 100% of core usage from time to time

Posted: Thu Mar 17, 2016 3:13 pm
by Alt Bass
It is quite stable overall but sometimes I get dead hang: 100% core usage while no files are accessed.

It occurs from time to time, I have no specific ways of reproducing it. There is nothing specific happening at the time of hang - I only guess that it happens after I assign a colour label and return to browser by hitting ESC or ENTER.

Windows 7 x64 SP1 0.78 x64 installable

Code: Select all

Problem signature:
  Problem Event Name:	AppHangB1
  Application Name:	xnviewmp.exe
  Application Version:	0.77.0.0
  Application Timestamp:	569517cd
  Hang Signature:	8bdc
  Hang Type:	0
  OS Version:	6.1.7601.2.1.0.256.48
  Locale ID:	1049
  Additional Hang Signature 1:	8bdc13ee339e40ebfe9115602c74f506
  Additional Hang Signature 2:	2394
  Additional Hang Signature 3:	2394c4d251ec29af07a1565476ee9986
  Additional Hang Signature 4:	8bdc
  Additional Hang Signature 5:	8bdc13ee339e40ebfe9115602c74f506
  Additional Hang Signature 6:	2394
  Additional Hang Signature 7:	2394c4d251ec29af07a1565476ee9986
Here is a minidump (generated using ProcessExplorer):

Re: 0.78: 100% of core usage from time to time

Posted: Thu Mar 17, 2016 4:51 pm
by xnview
it seems that the freeze comes from view mode and cache... Are you in view mode?

Re: 0.78: 100% of core usage from time to time

Posted: Thu Mar 17, 2016 6:01 pm
by Alt Bass
Freeze happened just after I switched to browse mode from view mode, right after drawing browse interface.

Thumbnail.db is 1.1GB.

Re: 0.78: 100% of core usage from time to time

Posted: Thu Mar 17, 2016 7:01 pm
by jadO
I had reportetd high CPU usage previously as well: http://newsgroup.xnview.com/viewtopic.php?f=62&t=32171

Re: 0.78: 100% of core usage from time to time

Posted: Fri Mar 18, 2016 8:01 am
by xnview
Alt Bass wrote:Freeze happened just after I switched to browse mode from view mode, right after drawing browse interface.
in the folder do you have a lot of files? only images?

Re: 0.78: 100% of core usage from time to time

Posted: Fri Mar 18, 2016 11:07 am
by Alt Bass
Few images (like 10 of them) and .pp3 files (RawTherapee profiles, like .xmp).

Re: 0.78: 100% of core usage from time to time

Posted: Fri Mar 18, 2016 1:11 pm
by xnview
Alt Bass wrote:Few images (like 10 of them) and .pp3 files (RawTherapee profiles, like .xmp).
could you try to disable view cache?

Re: 0.78: 100% of core usage from time to time

Posted: Fri Mar 18, 2016 4:22 pm
by Alt Bass
What's that?

Anyway, even if I disable it, there won't be 100% guarantee that it is causing the issue because I cannot reproduce the bug repeatedly.