with debug on : system log fills up with [drm:radeon_crtc_page_flip] flip-ioctl() and [drm:drm_mode_addfb2] messages

[J.H.Hermens]

It slows down system terrible.

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: xorg 1:7.7+13ubuntu3.1
ProcVersionSignature: Ubuntu 4.4.0-131.157-generic 4.4.134
Uname: Linux 4.4.0-131-generic i686
.tmp.unity_support_test.0:

ApportVersion: 2.20.1-0ubuntu2.18
Architecture: i386
CompizPlugins: No value set for `/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: compiz
CompositorUnredirectDriverBlacklist: '(nouveau|Intel).*Mesa 8.0'
CompositorUnredirectFSW: true
Date: Sun Aug 12 13:30:55 2018
DistUpgraded: Fresh install
DistroCodename: xenial
DistroVariant: ubuntu
ExtraDebuggingInterest: No
GraphicsCard:
 Advanced Micro Devices, Inc. [AMD/ATI] RV535 [Radeon X1650 PRO] [1002:71c1] (rev 9e) (prog-if 00 [VGA controller])
   Subsystem: Hightech Information System Ltd. RV535 [Radeon X1650 PRO] [17af:2100]
   Subsystem: Hightech Information System Ltd. RV535 [Radeon X1650 PRO] (Secondary) [17af:2101]
InstallationDate: Installed on 2015-01-29 (1290 days ago)
InstallationMedia: Ubuntu 14.04.1 LTS "Trusty Tahr" - Release i386 (20140722.2)
MachineType: System Manufacturer System Name
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-4.4.0-131-generic root=UUID=dc698397-2d2f-45c3-9068-c821b701dd6a ro plymouth:debug plymouth:debug=1=1=1=1=1=1=1=1 plymouth:debug=1=1=1=1=1=1=1=1=1=1=1=1 vesafb.invalid=1 drm.debug=0xe nopat
SourcePackage: xorg
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 02/24/2003
dmi.bios.vendor: Award Software, Inc.
dmi.bios.version: ASUS P4S533-X ACPI BIOS Revision 1004
dmi.board.name: P4S533-X
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: REV 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 7
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAwardSoftware,Inc.:bvrASUSP4S533-XACPIBIOSRevision1004:bd02/24/2003:svnSystemManufacturer:pnSystemName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP4S533-X:rvrREV1.xx:cvnChassisManufacture:ct7:cvrChassisVersion:
dmi.product.name: System Name
dmi.product.version: System Version
dmi.sys.vendor: System Manufacturer
version.compiz: compiz 1:0.9.12.3+16.04.20180221-0ubuntu1
version.libdrm2: libdrm2 2.4.91-2~16.04.1
version.libgl1-mesa-dri: libgl1-mesa-dri 18.0.5-0ubuntu0~16.04.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 18.0.5-0ubuntu0~16.04.1
version.xserver-xorg-core: xserver-xorg-core 2:1.18.4-0ubuntu0.7
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.10.1-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.7.0-1
version.xserver-xorg-video-intel: xserver-xorg-video-intel N/A
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau 1:1.0.12-1build2
xserver.bootTime: Sun Aug 12 13:20:37 2018
xserver.configfile: default
xserver.devices:
 input Power Button KEYBOARD, id 6
 input Power Button KEYBOARD, id 7
 input AT Translated Set 2 keyboard KEYBOARD, id 8
 input ImExPS/2 Logitech Wheel Mouse MOUSE, id 9
xserver.errors:

xserver.logfile: /var/log/Xorg.0.log
xserver.version: 2:1.18.4-0ubuntu0.7
xserver.video_driver: radeon

[Daniel van Vugt (vanvugt)]

Can you please attach (at least some of) the system log with the messages you describe?

[Daniel van Vugt (vanvugt)]

Thanks.

Looks like a repeat of bug 1145303, but see also:
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=703370

[Daniel van Vugt (vanvugt)]

It's been a couple of years. Is this issue resolved now?