LGB [Gábor Lénárt], thank you for reporting this and helping make Ubuntu
better. Have you inquired with Gigabyte regarding the BIOS issue? As
well, a beta BIOS is available FD4 via http://www.gigabyte.com/products
/product-page.aspx?pid=4504#bios if you would like to test to this.
** Tags added: latest-bios-fc
** Changed in: xorg (Ubuntu)
Importance: Undecided => Low
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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Touch seeded packages, which is subscribed to xorg in Ubuntu.
https://bugs.launchpad.net/bugs/1416999
Title:
After a while X becomes quite slow
Status in xorg package in Ubuntu:
Incomplete
Bug description:
I am not sure if it's bug of xserver-xorg or other package. The
problem: after reboot everything seems to be fine, scrolling within
windows, moving windows are smooth and fast. After some time however
everything becomes quite slow, eg output in gnome-terminal which made
the content scrolling can bee seen when refreshing, even an editor
(like geany) is slow when you move the cursor, moving windows is also
slow and "jerky". A reboot (or logging out then in, it seems) cures
the problem but after a while problem return. I am not sure if it's
related, but /var/log/Xorg.0.log is full of lines like this:
[191341.166] (II) intel(0): switch to mode 1920x1080@60.0 on VGA1
using pipe 0, position (0, 0), rotation normal, reflection none
For example now I have 107 lines like this.
I am using daily updated Ubuntu 14.10 (32 bit), and it's a problem
experienced since some weeks (I can't tell more precisely, sorry), I
haven't seen this before, ever. Also, Xorg seems to use quite lot of
CPU (according to top), at least more than usual, but it's hard to
tell exact numbers.
Maybe related: I usually don't switch my computer off. Compiz seems to
use more and more memory, according the top it used something like 4%
(4Gbyte of RAM) but I also seend something like 22% after some days of
uptime. Closing all windows on the desktop seems not to help so it's
more like some kind of memory leaking?
The only suspect log lines in the kernel log (dmesg):
[ 13.493187] [drm] Supports vblank timestamp caching Rev 2 (21.10.2013).
[ 13.493198] [drm] Driver supports precise vblank timestamp query.
[ 13.501309] [drm] Wrong MCH_SSKPD value: 0x20100406
[ 13.501311] [drm] This can cause pipe underruns and display issues.
[ 13.501312] [drm] Please upgrade your BIOS to fix this.
[ 13.940404] fbcon: inteldrmfb (fb0) is primary device
[ 13.940502] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 13.981857] [drm] Initialized i915 1.6.0 20080730 for 0000:00:02.0 on
minor 0
[ 14.802073] [drm] Enabling RC6 states: RC6 on, RC6p on, RC6pp off
[ 22.099955] [drm:cpt_set_fifo_underrun_reporting] *ERROR* uncleared pch
fifo underrun on pch transcoder A
[ 22.099959] [drm:cpt_serr_int_handler] *ERROR* PCH transcoder A FIFO
underrun
However no screen corruption etc can be seen, just slowness after a
while.
ProblemType: Bug
DistroRelease: Ubuntu 14.10
Package: xserver-xorg 1:7.7+7ubuntu2
ProcVersionSignature: Ubuntu 3.16.0-29.39-generic 3.16.7-ckt2
Uname: Linux 3.16.0-29-generic i686
.tmp.unity.support.test.0:
ApportVersion: 2.14.7-0ubuntu8.1
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
CurrentDesktop: Unity
Date: Mon Feb 2 09:15:43 2015
DistUpgraded: 2014-10-24 21:56:36,231 DEBUG enabling apt cron job
DistroCodename: utopic
DistroVariant: ubuntu
DpkgLog:
ExtraDebuggingInterest: Yes
GraphicsCard:
Intel Corporation Xeon E3-1200 v2/3rd Gen Core processor Graphics Controller
[8086:0152] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Gigabyte Technology Co., Ltd Device [1458:d000]
InstallationDate: Installed on 2014-05-08 (270 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release i386 (20140417)
Lsusb:
Bus 002 Device 003: ID 1267:0213 Logic3 / SpectraVideo plc
Bus 002 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 001 Device 002: ID 8087:0024 Intel Corp. Integrated Rate Matching Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
MachineType: Gigabyte Technology Co., Ltd. To be filled by O.E.M.
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.16.0-29-generic
root=UUID=c6e12cf5-267b-49d3-83eb-87a1464a2633 ro quiet splash vt.handoff=7
SourcePackage: xorg
UpgradeStatus: Upgraded to utopic on 2014-10-24 (100 days ago)
dmi.bios.date: 02/25/2013
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: FC
dmi.board.asset.tag: To be filled by O.E.M.
dmi.board.name: H61M-S1
dmi.board.vendor: Gigabyte Technology Co., Ltd.
dmi.board.version: x.x
dmi.chassis.asset.tag: To Be Filled By O.E.M.
dmi.chassis.type: 3
dmi.chassis.vendor: Gigabyte Technology Co., Ltd.
dmi.chassis.version: To Be Filled By O.E.M.
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvrFC:bd02/25/2013:svnGigabyteTechnologyCo.,Ltd.:pnTobefilledbyO.E.M.:pvrTobefilledbyO.E.M.:rvnGigabyteTechnologyCo.,Ltd.:rnH61M-S1:rvrx.x:cvnGigabyteTechnologyCo.,Ltd.:ct3:cvrToBeFilledByO.E.M.:
dmi.product.name: To be filled by O.E.M.
dmi.product.version: To be filled by O.E.M.
dmi.sys.vendor: Gigabyte Technology Co., Ltd.
version.compiz: compiz 1:0.9.12+14.10.20140918-0ubuntu1
version.libdrm2: libdrm2 2.4.56-1
version.libgl1-mesa-dri: libgl1-mesa-dri 10.3.2-0ubuntu0.1
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 10.3.2-0ubuntu0.1
version.xserver-xorg-core: xserver-xorg-core 2:1.16.0-1ubuntu1.2
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.0-1ubuntu2
version.xserver-xorg-video-ati: xserver-xorg-video-ati 1:7.4.0-2ubuntu2
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.914-1~exp1ubuntu4.2
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau
1:1.0.11-1ubuntu2
xserver.bootTime: Sat Jan 10 09:48:20 2015
xserver.configfile: default
xserver.devices:
input Power Button KEYBOARD, id 6
input Video Bus KEYBOARD, id 7
input Power Button KEYBOARD, id 8
input PS/2+USB Mouse MOUSE, id 9
input AT Translated Set 2 keyboard KEYBOARD, id 10
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 1698
vendor SAM
xserver.version: 2:1.16.0-1ubuntu1.2
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