Public bug reported:
I just upgraded to Oneiric alpha-1, and now my keyboard sometimes loses
a keystroke.
I've tracked this down to USB autosuspend mode: by echoing "on" to
"/sys/bus/usb/devices/2-1.3/power/level", the problem disappeared.
ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: linux-image-2.6.39-3-generic 2.6.39-3.10
ProcVersionSignature: Ubuntu 2.6.39-3.10-generic 2.6.39
Uname: Linux 2.6.39-3-generic x86_64
AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.
Architecture: amd64
ArecordDevices:
**** List of CAPTURE Hardware Devices ****
card 0: Intel [HDA Intel], device 0: ALC892 Analog [ALC892 Analog]
Subdevices: 1/1
Subdevice #0: subdevice #0
AudioDevicesInUse:
USER PID ACCESS COMMAND
/dev/snd/controlC0: martijn 2096 F.... pulseaudio
/dev/snd/pcmC0D0p: martijn 2096 F...m pulseaudio
CRDA: Error: [Errno 2] Bestand of map bestaat niet
Card0.Amixer.info:
Card hw:0 'Intel'/'HDA Intel at 0xf7df4000 irq 43'
Mixer name : 'Intel IbexPeak HDMI'
Components : 'HDA:10ec0892,10438436,00100302
HDA:80862804,80860101,00100000'
Controls : 36
Simple ctrls : 19
Date: Sun Jun 5 11:04:54 2011
HibernationDevice: RESUME=UUID=e714d6b2-db80-4af4-845b-ac10e7204fc8
InstallationMedia: Ubuntu 10.10 "Maverick Meerkat" - Alpha amd64 (20100921.1)
IwConfig:
lo no wireless extensions.
eth0 no wireless extensions.
MachineType: System manufacturer System Product Name
ProcEnviron:
LANGUAGE=nl_NL:nl:en_GB:en
PATH=(custom, user)
LANG=nl_NL.UTF-8
SHELL=/bin/bash
ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.39-3-generic
root=UUID=8e6710dd-6d9a-466b-a889-cc12539109d2 ro quiet splash vt.handoff=7
RelatedPackageVersions:
linux-restricted-modules-2.6.39-3-generic N/A
linux-backports-modules-2.6.39-3-generic N/A
linux-firmware 1.53
RfKill:
0: hci0: Bluetooth
Soft blocked: no
Hard blocked: no
SourcePackage: linux
UpgradeStatus: Upgraded to oneiric on 2011-06-05 (0 days ago)
dmi.bios.date: 07/22/2010
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 1604
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P7H55-M PRO
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 1.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias:
dmi:bvnAmericanMegatrendsInc.:bvr1604:bd07/22/2010:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP7H55-MPRO:rvrRev1.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer
** Affects: linux (Ubuntu)
Importance: Undecided
Status: New
** Tags: amd64 apport-bug oneiric running-unity unity-2d
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https://bugs.launchpad.net/bugs/793061
Title:
Agressive USB autosuspend makes me lose keystrokes
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