[plasmashell] [Bug 359066] New: Plasma workspace freezes for 10 seconds upon selecting text in an untrusted X11 session (e.g. ssh -X)

https://bugs.kde.org/show_bug.cgi?id=359066 Bug ID: 359066 Summary: Plasma workspace freezes for 10 seconds upon selecting text in an untrusted X11 session (e.g. ssh -X) Product: plasmashell Version: 5.5.3 Platform:

[plasmashell] [Bug 359066] Plasma workspace freezes for 10 seconds upon selecting text in an untrusted X11 session (e.g. ssh -X)

https://bugs.kde.org/show_bug.cgi?id=359066 --- Comment #4 from Rob --- I digged up an old debug build of Qt (5.5.1) and got the following. It seems to get stuck for too long in QXcbClipboard::waitForClipboardEvent. Thread 1 (Thread 0x7f714e57d800 (LWP 27821)): #0

[plasmashell] [Bug 359066] Plasma workspace freezes for 10 seconds upon selecting text in an untrusted X11 session (e.g. ssh -X)

https://bugs.kde.org/show_bug.cgi?id=359066 --- Comment #2 from Rob --- I found this bug while selecting text, but the same happens when I use Ctrl+C to copy to the clipboard. -- You are receiving this mail because: You are watching all bug changes.

[kmid] [Bug 359424] New: KMid crashes on opening some MIDI files

https://bugs.kde.org/show_bug.cgi?id=359424 Bug ID: 359424 Summary: KMid crashes on opening some MIDI files Product: kmid Version: 2.4.0 Platform: openSUSE RPMs OS: Linux Status: UNCONFIRMED Keywords:

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 Rob changed: What|Removed |Added Keywords||reproducible, usability -- You are

[kstars] [Bug 361646] New: KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 Bug ID: 361646 Summary: KStars hogs CPU until unusable Product: kstars Version: unspecified Platform: Ubuntu Packages OS: Linux Status: UNCONFIRMED Severity:

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #2 from Rob --- FYI, I've tried disabling all OpenGL items in the NVidia X Server Settings dialogue and selecting "High Performance" for the image settings rather than "Quality", then rebooting. I've also tried switching

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #9 from Rob --- Created attachment 98553 --> https://bugs.kde.org/attachment.cgi?id=98553=edit kcachegrind screenshots for each item > 20% (part 1) Detailed views for each kstars element in the callgrind tree above 20%

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #6 from Rob --- Created attachment 98551 --> https://bugs.kde.org/attachment.cgi?id=98551=edit Callgraph for KStars when in "slow down" state This is a callgraph output from kcachegrind after I loaded it with callgrind

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #10 from Rob --- Created attachment 98554 --> https://bugs.kde.org/attachment.cgi?id=98554=edit kcachegrind screenshots for each item > 20% (part 2) Detailed views for each kstars element in the callgrind tree above

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #7 from Rob --- Above I've added a callgraph that was generated as follows: - Clean reboot of computer - Start kstars under callgrind to generate a callgrind log - Wait for it to get to about 20% loaded NGIC/IC objects -

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #8 from Rob --- Created attachment 98552 --> https://bugs.kde.org/attachment.cgi?id=98552=edit kcachegrind overview The top-level view from kcachegrind of the callgrind tree. Detailed views for each kstars element

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #11 from Rob --- In case there is anything that looks unusual, I do still have the callgrind output loaded in kcachegrind and i will [attempt to remember to] not close kcachegrind or shut down the computer...! Rob --

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #12 from Rob --- Created attachment 98568 --> https://bugs.kde.org/attachment.cgi?id=98568=edit HTMesh_performIntersection callgraph One thing: RangeConvex::testTrixel() seems to be recursive: surely that's not good?

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #14 from Rob --- Created attachment 98675 --> https://bugs.kde.org/attachment.cgi?id=98675=edit EKOS window freezes 2 This is another case of the same EKOS window freezing, captured in the same way. Rob -- You are

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #13 from Rob --- Created attachment 98674 --> https://bugs.kde.org/attachment.cgi?id=98674=edit EKOS window freezes 1 OK, let's try a different attack. The attached callgrind output was taken as follows: - Run kstars

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #15 from Rob --- Created attachment 98676 --> https://bugs.kde.org/attachment.cgi?id=98676=edit Normal case for comparison This is a normal case, no EKOS window freezing, for comparison. Note that I'm not at all sure

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #17 from Rob --- That's excellent news, I'll update tomorrow and let you know how it goes. Many thanks. Rob -- You are receiving this mail because: You are watching all bug changes.

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #20 from Rob --- Ah, yes, got it now, testing... -- You are receiving this mail because: You are watching all bug changes.

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #18 from Rob --- Hi Jasem. I tried sudo apt-get install kstars-bleeding ...last night but no update. Should I have seen one? -- You are receiving this mail because: You are watching all bug changes.

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #5 from Rob --- Thanks for the comments guys. I agree that this is likely some interaction with the graphics driver. I suggest that we keep this open while I experiment with settings so that we can track the resolution

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #23 from Rob --- OK, I think I have confirmed to my satisfaction that there are two things going on here: 1. My laptop sometimes suffers from a generic slow-down which seems to be connected with the fan not running

[kstars] [Bug 362822] New: KStars receives segfault in libqcxb when I close my laptop lid

https://bugs.kde.org/show_bug.cgi?id=362822 Bug ID: 362822 Summary: KStars receives segfault in libqcxb when I close my laptop lid Product: kstars Version: unspecified Platform: Other OS: Linux

[kstars] [Bug 362822] KStars receives segfault in libqcxb when I close my laptop lid

https://bugs.kde.org/show_bug.cgi?id=362822 --- Comment #2 from Rob --- Thanks Jasem. For now I've set IgnoreLid=true in /etc/UPower/Upower.conf and that's a sufficient workaround for me. -- You are receiving this mail because: You are watching all bug changes.

[kstars] [Bug 361646] KStars hogs CPU until unusable

https://bugs.kde.org/show_bug.cgi?id=361646 --- Comment #22 from Rob --- I've not reached a conclusion yet, but results so far suggest: - the latest KStars may be slightly better but the slow down is still there (sorry!) - switching off as much OpenGL as I can in the video

[plasmashell] [Bug 370003] Performance issues (laggy animations, stuttering keyboard input handling, severe frame drops in videos) after using plasmashell for a few days

https://bugs.kde.org/show_bug.cgi?id=370003 --- Comment #3 from Rob --- One of the issues is that animations is slow. Switching desktops includes an animation (the cube animation in my case), hence I used that as a test. I don't know whether the observation in the perf recording

[plasmashell] [Bug 370003] Performance issues (laggy animations, stuttering keyboard input handling, severe frame drops in videos) after using plasmashell for a few days

https://bugs.kde.org/show_bug.cgi?id=370003 --- Comment #1 from Rob --- Created attachment 101422 --> https://bugs.kde.org/attachment.cgi?id=101422=edit perf record -e cpu-clock -p `pidof plasmashell` # After restarting plasmashell For comparison, this is what I get right when

[plasmashell] [Bug 370924] New: Brightness slider slowly "moving back" after dragging the slider thumb.

https://bugs.kde.org/show_bug.cgi?id=370924 Bug ID: 370924 Summary: Brightness slider slowly "moving back" after dragging the slider thumb. Product: plasmashell Version: 5.8.0 Platform: Archlinux Packages