Public bug reported:
Kernel started with drm.debug=0x02 parameter.
Events located in the kern.log attachment.
Sample:
[drm:i915_driver_irq_handler], hotplug event received, stat 0x08020000
Shortly after boot, so many events, that are lagging the mouse cursor.
Statistics:
Number of events: 19985
start time:74.097174s
end time:112.103787s
That is:38s
526 events/sec
ProblemType: Bug
DistroRelease: Ubuntu 12.04
Package: linux-image-3.2.0-34-generic 3.2.0-34.53
ProcVersionSignature: Ubuntu 3.2.0-34.53-generic 3.2.33
Uname: Linux 3.2.0-34-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
AplayDevices:
**** List of PLAYBACK Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC270 Analog [ALC270 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
ApportVersion: 2.0.1-0ubuntu15
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC270 Analog [ALC270 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: klari-forendszergazda 2810 F.... xfce4-volumed
klari-forendszergazda 2822 F.... pulseaudio
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xd4500000 irq 45'
Mixer name : 'Realtek ALC270'
Components : 'HDA:10ec0270,103c1605,00100100'
Controls : 19
Simple ctrls : 11
Date: Sat Dec 8 18:20:28 2012
HibernationDevice: RESUME=UUID=6c7faf66-4a13-4252-8ec8-7982f94f7515
MachineType: Hewlett-Packard Presario CQ56 Notebook PC
MarkForUpload: True
ProcEnviron:
LANGUAGE=hu:en
TERM=xterm
PATH=(custom, no user)
LANG=hu_HU.UTF-8
SHELL=/bin/bash
ProcFB: 0 inteldrmfb
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.2.0-34-generic
root=UUID=83582329-f7e4-489e-bb84-ea4e95daba90 ro quiet splash drm.debug=0x02
vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-3.2.0-34-generic N/A
linux-backports-modules-3.2.0-34-generic N/A
linux-firmware 1.79.1
SourcePackage: linux
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/07/2011
dmi.bios.vendor: Hewlett-Packard
dmi.bios.version: F.15
dmi.board.asset.tag: Base Board Asset Tag
dmi.board.name: 1605
dmi.board.vendor: Hewlett-Packard
dmi.board.version: 90.17
dmi.chassis.type: 10
dmi.chassis.vendor: Hewlett-Packard
dmi.chassis.version: N/A
dmi.modalias:
dmi:bvnHewlett-Packard:bvrF.15:bd04/07/2011:svnHewlett-Packard:pnPresarioCQ56NotebookPC:pvr059D110000002810010000000:rvnHewlett-Packard:rn1605:rvr90.17:cvnHewlett-Packard:ct10:cvrN/A:
dmi.product.name: Presario CQ56 Notebook PC
dmi.product.version: 059D110000002810010000000
dmi.sys.vendor: Hewlett-Packard
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug precise
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https://bugs.launchpad.net/bugs/1088017
Title:
drm:i915_driver_irq_handler: too many events received
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