Ubuntu

At screen Resolution of 1366x768 monitor is flickering

Asked by retalemine

I am experiencing flickering monior @higher resolution but not in lower resolution 1024x768

user@user:~$ sudo dmesg | grep -i 'Graphic\|video\|VGA\|error\|fail'
[ 0.127671] DMAR: Disabling IOMMU for graphics on this chipset
[ 0.144016] vgaarb: setting as boot device: PCI:0000:00:02.0
[ 0.144016] vgaarb: device added: PCI:0000:00:02.0,decodes=io+mem,owns=io+mem,locks=none
[ 0.144016] vgaarb: loaded
[ 0.144016] vgaarb: bridge control possible 0000:00:02.0
[ 0.162621] pci 0000:00:02.0: Video device with shadowed ROM
[ 1.760018] pci 0000:00:1d.7: EHCI: BIOS handoff failed (BIOS bug?) 01010001
[ 2.135625] fb0: VESA VGA frame buffer device
[ 2.161753] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE1.GTM_] (Node ffff8800b8665230), AE_AML_PACKAGE_LIMIT (20131115/psparse-536)
[ 2.161759] ACPI Error: Method parse/execution failed [\_SB_.PCI0.IDE1.CHN1._GTM] (Node ffff8800b86650f0), AE_AML_PACKAGE_LIMIT (20131115/psparse-536)
[ 2.161764] ata4: ACPI get timing mode failed (AE 0x300b)
[ 3.808021] psmouse serio1: Failed to enable mouse on isa0060/serio1
[ 23.033000] video: module verification failed: signature and/or required key missing - tainting kernel
[ 23.827751] [drm] Memory usable by graphics device = 2048M
[ 23.827758] fb: conflicting fb hw usage inteldrmfb vs VESA VGA - removing generic driver
[ 23.872182] vgaarb: device changed decodes: PCI:0000:00:02.0,olddecodes=io+mem,decodes=io+mem:owns=io+mem
[ 24.050590] ACPI Exception: AE_NOT_FOUND, Evaluating _DOD (20131115/video-1279)
[ 24.050594] ACPI: Video Device [GFX0] (multi-head: no rom: yes post: no)
[ 24.050796] input: Video Bus as /devices/LNXSYSTM:00/device:00/PNP0A08:00/LNXVIDEO:00/input/input10
[ 37.718437] EXT4-fs (sda3): re-mounted. Opts: errors=remount-ro
[ 47.770428] init: failsafe main process (692) killed by TERM signal
[ 97.681324] [drm:i965_irq_handler] *ERROR* pipe A underrun

Question information

Language:
English Edit question
Status:
Expired
For:
Ubuntu Edit question
Assignee:
No assignee Edit question
Last query:
Last reply:
Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#1

What is the output o:

sudo lshw -C display; lsb_release -a; uname -a

Thanks

Revision history for this message
retalemine (email-subhu) said : 		#2

PFB the output for `sudo lshw -C display; lsb_release -a; uname -a`
$sudo lshw -C display; lsb_release -a; uname -a
  *-display
       description: VGA compatible controller
       product: 4 Series Chipset Integrated Graphics Controller
       vendor: Intel Corporation
       physical id: 2
       bus info: pci@0000:00:02.0
       version: 03
       width: 64 bits
       clock: 33MHz
       capabilities: msi pm vga_controller bus_master cap_list rom
       configuration: driver=i915 latency=0
       resources: irq:45 memory:e0000000-e03fffff memory:d0000000-dfffffff ioport:f140(size=8)
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.2 LTS
Release: 14.04
Codename: trusty
Linux subhu-desktop 3.13.0-46-generic #76-Ubuntu SMP Thu Feb 26 18:52:13 UTC 2015 x86_64 x86_64 x86_64 GNU/Linux

Revision history for this message
Launchpad Janitor (janitor) said : 		#3

This question was expired because it remained in the 'Open' state without activity for the last 15 days.