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MC 26.0.26 (64 bit) - excessive CPU usage

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tlenthe:
On initial startup, it is working fine (Ubuntu 18.04 with latest patches), but once the DSP window is opened (either by clicking on gear icon or through options window, CPU usage increases (to about 10% of total) and response time so slow as to become unusable.  Only fix seems to be wait for slow response to close app normally or use process kill switch.  Doesn't occur when just opening options window as long as DSP settings not entered.

DSP window is very slow to paint, starting with selection items in two right columns, followed by bottom items, and lastly left-hand column.  At very end, background is painted around selection items.

alessandro:
Confirm all thread, need to mount again MC 25.114 for now

vma:
I have similar experience - Debian Buster on the NUC i3 computer. Process Xorg about 10%, slow response with DSP window, slow response closing MC26.

vma:
MC25.0.114 has no problems. Screen Tools - Options - DSP is OK, quick responses, Xorg about 1%.

bob:
Not able to reproduce this on debian 8 with xfce.
Please check https://yabb.jriver.com/interact/index.php/topic,124263.msg860869.html#msg860869

Then report back what Desktop and Window manager you are using.

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