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* [Bug 103897] New: Kernel 4.14 causes high cpu usage, 4.12 was OK
@ 2017-11-24 23:07 bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
       [not found] ` <bug-103897-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
  0 siblings, 1 reply; 9+ messages in thread
From: bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ @ 2017-11-24 23:07 UTC (permalink / raw)
  To: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW


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https://bugs.freedesktop.org/show_bug.cgi?id=103897

            Bug ID: 103897
           Summary: Kernel 4.14 causes high cpu usage, 4.12 was OK
           Product: xorg
           Version: git
          Hardware: x86 (IA32)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
          Assignee: nouveau-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org
          Reporter: randrik-JGs/UdohzUI@public.gmane.org
        QA Contact: xorg-team-go0+a7rfsptAfugRpC6u6w@public.gmane.org

Hello. After upgrading my kernel to 4.14 I noticed strange behavior: If I load
X (KDE 3.5.10 session with built-in compositor [kompmgr], self-compiled with
many patches, X server 1.19.5, nouveau DDX git) and start to use seamonkey 2.49
(again, self-compiled with gtk2 toolkit, not default gtk3) - after some hours
of use X started to eat a lot of CPU time, new windows appear after delay,
glxgears slow down to 11 fps or so from default 60. If I restart X session -
everything back to normal, for few hours. If I quit seamonkey - CPU usage
drops. But if I start it up again - CPU load returns quickly, and not go down
until X restart.

Seamonkey use hw compositing (force-enabled) and multiprocess experimental
option. Problem is, exactly same seamonkey with same set of tabs work fine on
4.12.0 kernel!

I set architecture to ia32, even if kernel compiled for x86_64 , because all my
userspace is 32-bit.

hw:
01:00.0 0300: 10de:0606 (rev a2) (prog-if 00 [VGA controller])
aka
01:00.0 VGA compatible controller: NVIDIA Corporation G92 [GeForce 8800 GS]
(rev a2) (prog-if 00 [VGA controller])

X log, dmesg, opreport data will follow.

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^ permalink raw reply	[flat|nested] 9+ messages in thread

end of thread, other threads:[~2019-12-04  9:33 UTC | newest]

Thread overview: 9+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2017-11-24 23:07 [Bug 103897] New: Kernel 4.14 causes high cpu usage, 4.12 was OK bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
     [not found] ` <bug-103897-8800-V0hAGp6uBxMKqLRl/0Ahz6D7qz1kEfGD2LY78lusg7I@public.gmane.org/>
2017-11-24 23:07   ` [Bug 103897] " bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-24 23:08   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-24 23:09   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-24 23:09   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-11-25 12:00   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2017-12-28 22:44   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2018-02-15  7:27   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ
2019-12-04  9:33   ` bugzilla-daemon-CC+yJ3UmIYqDUpFQwHEjaQ

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