description: Notebook
product: 81A4 (LENOVO_MT_81A4_BU_idea_FM_ideapad 120S-11IAP)
vendor: LENOVO
version: Lenovo ideapad 120S-11IAP
serial: YD033K9M
width: 64 bits
capabilities: smbios-3.0 dmi-3.0 vsyscall32
configuration: administrator_password=enabled boot=normal chassis=notebook
family=ideapad 120S-11IAP frontpanel_password=disabled
keyboard_password=disabled power-on_password=disabled
sku=LENOVO_MT_81A4_BU_idea_FM_ideapad 120S-11IAP
uuid=EB696E64-DB11-1720-1012-184233000000
*-core
description: Motherboard
product: LNVNB161216
vendor: LENOVO
physical id: 0
version: SDK0J91216 WIN
serial: YD033K9M
slot: Part Component
*-cache:0
description: L1 cache
physical id: 0
slot: L1 Cache
size: 24KiB
capacity: 24KiB
capabilities: synchronous internal write-back data
configuration: level=1
*-cache:1
description: L1 cache
physical id: 1
slot: L1 Cache
size: 32KiB
capacity: 32KiB
capabilities: synchronous internal write-back instruction
configuration: level=1
*-cache:2
description: L2 cache
physical id: 2
slot: L2 Cache
size: 1MiB
capacity: 1MiB
capabilities: synchronous internal write-back unified
configuration: level=2
*-cpu
description: CPU
product: Intel(R) Celeron(R) CPU N3350 @ 1.10GHz
vendor: Intel Corp.
physical id: 3
bus info: cpu@0
version: Intel(R) Celeron(R) CPU N3350 @ 1.10GHz
serial: To Be Filled By O.E.M.
slot: U3E1
size: 1134MHz
capacity: 2400MHz
width: 64 bits
clock: 100MHz
capabilities: x86-64 fpu fpu_exception wp vme de pse tsc msr pae mce
cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss
ht tm pbe syscall nx pdpe1gb rdtscp constant_tsc art arch_perfmon pebs bts
rep_good nopl xtopology tsc_reliable nonstop_tsc cpuid aperfmperf
tsc_known_freq pni pclmulqdq dtes64 monitor ds_cpl vmx est tm2 ssse3 sdbg cx16
xtpr pdcm sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave rdrand
lahf_lm 3dnowprefetch cpuid_fault cat_l2 ibrs ibpb stibp tpr_shadow vnmi
flexpriority ept vpid fsgsbase tsc_adjust smep erms mpx rdt_a rdseed smap
clflushopt intel_pt sha_ni xsaveopt xsavec xgetbv1 xsaves dtherm ida arat pln
pts arch_capabilities cpufreq
configuration: cores=2 enabledcores=2 threads=2
*-memory
description: System Memory
physical id: 4
slot: System board or motherboard
size: 2GiB
*-bank:0
description: DIMM Synchronous 2133 MHz (0.5 ns)
product: K4F8E304HB-MGCJ
vendor: Samsung
physical id: 0
serial: 00000000
slot: ChannelA-DIMM0
size: 1GiB
width: 8 bits
clock: 2133MHz (0.5ns)
*-bank:1
description: DIMM Synchronous 2133 MHz (0.5 ns)
product: K4F8E304HB-MGCJ
vendor: Samsung
physical id: 1
serial: 00000000
slot: ChannelB-DIMM0
size: 1GiB
width: 8 bits
clock: 2133MHz (0.5ns)
*-firmware
description: BIOS
vendor: LENOVO
physical id: 8
version: 6GCN20WW X64
date: 08/15/2017
size: 128KiB
capacity: 8128KiB
capabilities: pci upgrade shadowing cdboot bootselect edd
int13floppy720 int13floppy2880 int5printscreen int9keyboard int14serial
int17printer int10video acpi usb biosbootspecification netboot uefi
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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1550779
Title:
[i915]] *ERROR* CPU pipe A FIFO underrun - Xorg glitches
Status in linux package in Ubuntu:
Incomplete
Bug description:
Upgraded linux-image-extra-4.2.0-30-generic I see graphic glitches,
looks like the graphic buffer gets screwed up
- funny repetition's patterns (back in time glitches)
- black screen (<1sec)
- graphic errors
I can influence the severity of the issue with switching windows and
using certain programs, e.g. Google Maps in chrome causes this issue
reproducibly
dmesg | grep i915
[ 2.726864] [drm] Initialized i915 1.6.0 20150522 for 0000:00:02.0 on
minor 0
[ 2.792005] [drm] GMBUS [i915 gmbus dpb] timed out, falling back to bit
banging on pin 5
[ 3.471092] i915 0000:00:02.0: fb0: inteldrmfb frame buffer device
[ 3.471093] i915 0000:00:02.0: registered panic notifier
[ 9.573129] [drm:intel_cpu_fifo_underrun_irq_handler [i915]] *ERROR* CPU
pipe A FIFO underrun
[ 9.574847] [drm:intel_set_pch_fifo_underrun_reporting [i915]] *ERROR*
uncleared pch fifo underrun on pch transcoder A
[ 9.574895] [drm:intel_pch_fifo_underrun_irq_handler [i915]] *ERROR* PCH
transcoder A FIFO underrun
linux-image-extra-4.2.0-27-generic works find
ProblemType: Bug
DistroRelease: Ubuntu 15.10
Package: xorg 1:7.7+7ubuntu4
ProcVersionSignature: Ubuntu 4.2.0-30.36-generic 4.2.8-ckt3
Uname: Linux 4.2.0-30-generic x86_64
.tmp.unity.support.test.0:
ApportVersion: 2.19.1-0ubuntu5
Architecture: amd64
BootLog:
CompizPlugins: No value set for
`/apps/compiz-1/general/screen0/options/active_plugins'
CompositorRunning: None
CurrentDesktop: GNOME
Date: Sat Feb 27 20:26:07 2016
DistUpgraded: Fresh install
DistroCodename: wily
DistroVariant: ubuntu
DkmsStatus:
virtualbox, 5.0.14, 4.2.0-27-generic, x86_64: installed
virtualbox, 5.0.14, 4.2.0-30-generic, x86_64: installed
EcryptfsInUse: Yes
ExtraDebuggingInterest: Yes, including running git bisection searches
GraphicsCard:
Intel Corporation 2nd Generation Core Processor Family Integrated Graphics
Controller [8086:0126] (rev 09) (prog-if 00 [VGA controller])
Subsystem: Lenovo Device [17aa:21da]
InstallationDate: Installed on 2016-02-11 (15 days ago)
InstallationMedia: Ubuntu 15.10 "Wily Werewolf" - Release amd64 (20151021)
MachineType: LENOVO 42912XG
ProcKernelCmdLine: BOOT_IMAGE=/@/boot/vmlinuz-4.2.0-30-generic
root=UUID=cb34d7bb-9316-49b3-aa94-4e2a3512168f ro rootflags=subvol=@ noprompt
quiet
SourcePackage: xorg
UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 07/18/2013
dmi.bios.vendor: LENOVO
dmi.bios.version: 8DET69WW (1.39 )
dmi.board.asset.tag: Not Available
dmi.board.name: 42912XG
dmi.board.vendor: LENOVO
dmi.board.version: Not Available
dmi.chassis.asset.tag: No Asset Information
dmi.chassis.type: 10
dmi.chassis.vendor: LENOVO
dmi.chassis.version: Not Available
dmi.modalias:
dmi:bvnLENOVO:bvr8DET69WW(1.39):bd07/18/2013:svnLENOVO:pn42912XG:pvrThinkPadX220:rvnLENOVO:rn42912XG:rvrNotAvailable:cvnLENOVO:ct10:cvrNotAvailable:
dmi.product.name: 42912XG
dmi.product.version: ThinkPad X220
dmi.sys.vendor: LENOVO
version.compiz: compiz 1:0.9.12.2+15.10.20151202-0ubuntu1
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
1:1.0.11-1ubuntu3
xserver.bootTime: Sat Feb 27 20:25:23 2016
xserver.configfile: default
xserver.errors:
xserver.logfile: /var/log/Xorg.0.log
xserver.outputs:
product id 12359
vendor SEC
xserver.version: 2:1.17.2-1ubuntu9.1
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