If I directly lock my device (Alt-Ctrl-Del -> Lock)
problem show up immediately.
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https://bugs.launchpad.net/bugs/1511727
Title:
compiz HIGH CPU usage only during screen lock is ON
To
** Description changed:
- SOLUTION:
+ I just realized that my problem is NOT screen switch OFF, but the screen lock
is ON.
+ Therefore I removed this issue from duplicate.
- 1. Run ccsm (from package compizconfig-settings-manager)
- 2. In OpenGL > Sync To VBlank = OFF
- 3. In Workarounds,
... unfortunately I realized that my problem begins NOT with screensaver
activation, but screen LOCK activation.
During test I switched off the LOCK, this is why my problem seemed to be solved.
I found another bug report which describes my problem:
Till devs do not find a real solution I made a BLOODY BRUTAL workaround which
helps me.
PLEASE understand what my program is doing and decide if it is suits you or not.
I found "cpulimit" (can be installed from software center - at least in Ubuntu
15.10) which slows down a particular thread.
Just answering "Benjamin Xiao (ben-r-xiao) wrote on 2014-05-24"-s post.
Unfortunately my problem is much wider.
BTW my processor is in the "Broadwell" family with is the successor or
"Haswell" family.
To reproduce my problem:
- Switch on computer.
- log in and lock the screen (Alt+Ctrl+L)
-
*** This bug is a duplicate of bug 1322751 ***
https://bugs.launchpad.net/bugs/1322751
** This bug has been marked a duplicate of bug 1322751
Compiz running on Intel Haswell GPU has 100% CPU usage when computer is
locked
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I faced exaclty the same problem with my system.
I already reported ad bug, now linked to this bug as duplicate.
Again, I confirm (for me):
- When I switch off "screen lock" and wait for screen fades out problem does
NOT happen.
- In contrast if I lock screen manually (eg.: Alt-Ctrl-L or
** This bug is no longer a duplicate of bug 969860
fglrx uses 100% CPU when screen turns off (spinning in glXWaitVideoSyncSGI
or glXSwapBuffers)
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I do not know if this helps, but immediately after IDLE (screen off):
top with separated CPU-s:
top - 14:38:27 up 6:39, 3 users, load average: 0,70, 0,32, 0,21
Tasks: 200 total, 1 running, 199 sleeping, 0 stopped, 0 zombie
%Cpu0 : 0,7 us, 1,0 sy, 0,0 ni, 98,3 id, 0,0 wa, 0,0 hi,
Public bug reported:
I got very HIGH CPU usage ONLY when computer going IDLE.
Again, I have NO PROBLEM during work (video playback, moving windows slowly or
fast, no lag, everything is perfect),
BUT when I am out of computer: 20 secs after display fades out CPU fan starts
and works heavily (my
*** This bug is a duplicate of bug 969860 ***
https://bugs.launchpad.net/bugs/969860
** This bug has been marked a duplicate of bug 969860
fglrx uses 100% CPU when screen turns off (spinning in glXWaitVideoSyncSGI
or glXSwapBuffers)
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I faced with exactly the same problem with different hardware:
Data:
- Fresh install of Ubuntu 15.10 (plus some other non-desktop or gnome related
packages)
- All energy consumption related settings are default (I have not changed them
till now).
- Laptop: ACER Aspire V3-371-51
- CPU: Intel
*** This bug is a duplicate of bug 969860 ***
https://bugs.launchpad.net/bugs/969860
I have found the solution - with other hardware, but worked for me as
well, so I marked as duplicate.
Due to other hardware I do not have Catalyst Center, but alternative
steps
In OpenGL section sync to
*** This bug is a duplicate of bug 969860 ***
https://bugs.launchpad.net/bugs/969860
** Description changed:
+ SOLUTION:
+
+ 1. Run ccsm (from package compizconfig-settings-manager)
+ 2. In OpenGL > Sync To VBlank = OFF
+ 3. In Workarounds, enable "Force full screen redraw (buffer swap) on
Public bug reported:
USB device 04ca:3011 is a combo Atheros device's bluetooth adapter.
In back of laptop the adapter's label states as: PPD-QCNFA34AC
By default my kernel recognize as generic Bluetooth,
I can switch on/off, make it visible,
BUT actually it cannot see anything and no other
** Description changed:
USB device 04ca:3011 is a combo Atheros device's bluetooth adapter.
- In laptop the adapter's name is: PPD-QCNFA34AC
+ In back of laptop the adapter's label states as: PPD-QCNFA34AC
By default my kernel recognize az generic Bluetooth,
I can switch on/off, make it
I face very similar problem, but I have v2.1 hardware of QCA6174 (I assume you
do not have QCA6147 neither).
I installed Kubuntu Bionic Beaver (18.04) from fresh.
I still face the firmware crash IF (and only if) I switch off / hibernate my
laptop with active WIFI connection.
If I switch off
I use Kubuntu 18.04 (Bionic Beaver) from fresh install.
I face very similar problem:
ath10k_pci :02:00.0: firmware crashed! (guid
b84d150d-4ef6-4369-bcf1-e5f53f30e725)
EVERY TIME when I would like to switch off or hibernate laptop with working
WIFI state.
If I switch off WIFI before
I have similar problem, but I got "Timeout"
ACER Nitro 5 - Ubuntu 19.04 fresh install.
Intel(R) Core(TM) i7-8750H
Spamming in few minutes the following (on example):
Sep 25 03:09:06 mark-Nitro-AN515-52 kernel: [ 4326.007230] pcieport
:00:1d.5: AER: Corrected error received: :00:1d.5
Sep
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