Thanks form the A17 INFO Christopher.
After BIOS update the
carlos@carlosLT:~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
A17
08/19/2015
A restart, and, I still have the same issue: No improvement.
carlos@carlosLT:~$ dmesg | grep drm:intel
[ 1.595212] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 1.595250] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
Carlos
** Changed in: linux (Ubuntu)
Status: Incomplete => Confirmed
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https://bugs.launchpad.net/bugs/1535879
Title:
It looks to be the (expired ) bug #1451632 drm:intel fifo
Status in linux package in Ubuntu:
Confirmed
Bug description:
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-intel/+bug/1451632/+activity
dmesg | grep drm:intel
[ 1.441536] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 1.441575] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
Returned back (https://bugzilla.kernel.org/show_bug.cgi?id=79261). It
seamed to be fixed up-stream but not for all.
Effects on my DELL Precision E6530: without notice it switches from
nouveau to nvidia. Switching back to nouveau it hangs (need restart)
and OK.
Using optimus:
00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor
Graphics Controller (rev 09)
01:00.0 VGA compatible controller: NVIDIA Corporation GF108GLM [NVS 5200M]
(rev ff)
I'll try to use the upstream kernels and inform ...
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-25.30-generic 4.2.6
Uname: Linux 4.2.0-25-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
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: Tue Jan 19 20:32:03 2016
DistUpgraded: 2015-10-12 20:30:48,655 DEBUG enabling apt cron job
DistroCodename: wily
DistroVariant: ubuntu
ExtraDebuggingInterest: Yes, if not too technical
GraphicsCard:
Intel Corporation 3rd Gen Core processor Graphics Controller [8086:0166]
(rev 09) (prog-if 00 [VGA controller])
Subsystem: Dell Device [1028:0535]
NVIDIA Corporation GF108GLM [NVS 5200M] [10de:0dfc] (rev ff) (prog-if ff)
InstallationDate: Installed on 2014-05-19 (610 days ago)
InstallationMedia: Ubuntu 14.04 LTS "Trusty Tahr" - Release amd64 (20140417)
MachineType: Dell Inc. Latitude E6530
ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-25-generic
root=/dev/mapper/ubuntu--vg-root ro quiet splash
SourcePackage: xorg
UpgradeStatus: Upgraded to wily on 2015-10-12 (99 days ago)
dmi.bios.date: 12/13/2012
dmi.bios.vendor: Dell Inc.
dmi.bios.version: A09
dmi.board.name: 07Y85M
dmi.board.vendor: Dell Inc.
dmi.board.version: A01
dmi.chassis.type: 9
dmi.chassis.vendor: Dell Inc.
dmi.modalias:
dmi:bvnDellInc.:bvrA09:bd12/13/2012:svnDellInc.:pnLatitudeE6530:pvr01:rvnDellInc.:rn07Y85M:rvrA01:cvnDellInc.:ct9:cvr:
dmi.product.name: Latitude E6530
dmi.product.version: 01
dmi.sys.vendor: Dell Inc.
version.compiz: compiz 1:0.9.12.2+15.10.20151015-0ubuntu1
version.ia32-libs: ia32-libs N/A
version.libdrm2: libdrm2 2.4.64-1
version.libgl1-mesa-dri: libgl1-mesa-dri 11.0.2-1ubuntu4
version.libgl1-mesa-dri-experimental: libgl1-mesa-dri-experimental N/A
version.libgl1-mesa-glx: libgl1-mesa-glx 11.0.2-1ubuntu4
version.xserver-xorg-core: xserver-xorg-core 2:1.17.2-1ubuntu9.1
version.xserver-xorg-input-evdev: xserver-xorg-input-evdev 1:2.9.2-1ubuntu1
version.xserver-xorg-video-ati: xserver-xorg-video-ati
1:7.5.0+git20150819-0ubuntu1
version.xserver-xorg-video-intel: xserver-xorg-video-intel
2:2.99.917+git20150808-0ubuntu4
version.xserver-xorg-video-nouveau: xserver-xorg-video-nouveau N/A
xserver.bootTime: Tue Jan 19 18:32:11 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 5553
vendor CMN
xserver.version: 2:1.17.2-1ubuntu9.1
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