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[Bug 426663] Re: Touching the mousepad while typing causes multiplication of next letter pressed and loss of subsequent keyboard input

 

apport information

** Tags added: apport-collected

** Description changed:

  In my Compal JFL92- laptop running Ubuntu 9.04 Jaunty I have a problem
  that becomes apparent while typing text and (usually accidentally)
  touching the mousepad at the same time. The next letter I press after
  the mousepad gets multiplied, the keyboard gets 'stuck' and loses some
  following keyboard input until the system recovers.
  
  Example: mousepad followed by s -> sssssssssssss.
  
  I tested the problem also with Ubuntu 9.04 and 8.10 live-cds. With the 9.04 I could replicate the problem, but with 8.10 I could notice some lag of the keyboard input appearing on screen but no loss or replication of characters as with 9.04.
  I've also noticed some hpet output in dmesg like this:
  
  CE: hpet increasing min_delta_ns to 15000 nsec
  
  Even with disabling hpet the problem persists.
  
  dmesg attached.
+ --- 
+ Architecture: amd64
+ DistroRelease: Ubuntu 10.04
+ DkmsStatus:
+  nvidia-current, 195.36.24, 2.6.32-24-generic, x86_64: installed 
+  nvidia-current, 195.36.24, 2.6.32-23-generic, x86_64: installed 
+  nvidia-current, 195.36.24, 2.6.32-22-generic, x86_64: installed
+ GdmLog:
+  Error: command ['gksu', '-D', 'Apport', '--', 'cat', '/var/log/gdm/:0.log'] failed with exit code 1: sudo: 3 incorrect password attempts
+   try again.
+ InstallationMedia: Ubuntu 10.04 LTS "Lucid Lynx" - Release amd64 (20100429)
+ MachineType: - N/A
+ NonfreeKernelModules: nvidia
+ Package: xserver-xorg-input-synaptics 1.2.2-1ubuntu4
+ PackageArchitecture: amd64
+ ProcCmdLine: BOOT_IMAGE=/boot/vmlinuz-2.6.32-24-generic root=UUID=b040fe00-a6b5-4a81-be62-df144a28ceed ro quiet splash
+ ProcEnviron:
+  LANG=en_US.utf8
+  SHELL=/bin/bash
+ ProcVersionSignature: Ubuntu 2.6.32-24.41-generic 2.6.32.15+drm33.5
+ Tags: lucid lucid
+ Uname: Linux 2.6.32-24-generic x86_64
+ UserGroups: adm admin cdrom dialout lpadmin plugdev sambashare
+ dmi.bios.date: 12/31/2007
+ dmi.bios.vendor: COMPAL
+ dmi.bios.version: 1.16
+ dmi.board.name: JFL92
+ dmi.board.vendor: -
+ dmi.board.version: IFT00
+ dmi.chassis.asset.tag: -
+ dmi.chassis.type: 10
+ dmi.chassis.vendor: No Enclosure
+ dmi.chassis.version: N/A
+ dmi.modalias: dmi:bvnCOMPAL:bvr1.16:bd12/31/2007:svn-:pnN/A:pvrN/A:rvn-:rnJFL92:rvrIFT00:cvnNoEnclosure:ct10:cvrN/A:
+ dmi.product.name: N/A
+ dmi.product.version: N/A
+ dmi.sys.vendor: -
+ glxinfo: Error: [Errno 2] No such file or directory
+ system:
+  distro:             Ubuntu
+  codename:           lucid
+  architecture:       x86_64
+  kernel:             2.6.32-24-generic

** Attachment added: "BootDmesg.txt"
   https://bugs.edge.launchpad.net/bugs/426663/+attachment/1504808/+files/BootDmesg.txt

-- 
Touching the mousepad while typing causes multiplication of next letter pressed and loss of subsequent keyboard input
https://bugs.launchpad.net/bugs/426663
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