Public bug reported:
Binary package hint: xorg
Hi
Starting yesterday my laptop started hanging at random points in the
boot process or after the boot process and hangs. The system is still
responsive - I can ssh to it from my other box but completely unusable
otherwise.
Symptoms :
At boot up the splash screen was garbled and then assumed a tv static
appearance (moving mouse cursor slightly visible amongst the static).
System is now booting into KDE ok but a short (random) amount of time after
opening an app the CPU usage for xorg hits a macimum of 99.9%. I have to ssh
into the laptop remotely and issue a reboot/shutdown to bring the system down
safely
During this time the only thing working on my desktop is the mouse cursor
(keyboard is frozen)
How to reproduce:
Turn on the system, open an app and wait for xorg to consume 99% CPU
PC:
Dell Inspiron 8600 notebook
kernel 2.6.15-27-386
512meg RAM
1680x1050 res
Kubuntu Dapper system fully up to date (just updated the kernel packages to see
if this would fix the problem)
xorg is using the nv driver. I have previously used the nvidia binary but this
broke ACPI so have switched back to nv
Have tried to reconfigure xorg but this does not help
Can you offer any assistance? My laptop is completely unusable at the
moment.
Thanks
James
top output:
==============
top - 22:06:57 up 10 min, 2 users, load average: 1.00, 0.84, 0.46
Tasks: 115 total, 3 running, 112 sleeping, 0 stopped, 0 zombie
Cpu(s): 100.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 0.0% si
Mem: 515676k total, 416668k used, 99008k free, 13508k buffers
Swap: 1510068k total, 0k used, 1510068k free, 234776k cached
PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND
5040 root 25 0 102m 17m 3916 R 99.9 3.4 4:58.45 Xorg
%CPU = 99.9%
%MEM = 3.4%
xorg conf snippets
==============
Section "Module"
Load "bitmap"
Load "dbe"
Load "ddc"
Load "dri"
Load "extmod"
Load "freetype"
Load "glx"
Load "int10"
Load "type1"
Load "vbe"
EndSection
Section "Device"
Identifier "NVIDIA Corporation NV28 [GeForce4 Ti 4200 Go AGP 8x]"
Driver "nv"
#BusID "PCI:1:0:0"
#Option "UseFBDev" "true"
EndSection
Section "Monitor"
Identifier "Dell DFP"
Option "DPMS"
HorizSync 30-70
VertRefresh 50-160
EndSection
Section "Screen"
Identifier "Default Screen"
Device "NVIDIA Corporation NV28 [GeForce4 Ti 4200 Go AGP 8x]"
Monitor "Dell DFP"
DefaultDepth 24
SubSection "Display"
Depth 24
Modes "1680x1050"
EndSubSection
EndSection
Section "ServerLayout"
Identifier "Default Layout"
Screen "Default Screen"
InputDevice "Generic Keyboard"
InputDevice "Configured Mouse"
# InputDevice "stylus" "SendCoreEvents"
# InputDevice "cursor" "SendCoreEvents"
# InputDevice "eraser" "SendCoreEvents"
InputDevice "Synaptics Touchpad"
EndSection
Section "DRI"
Mode 0666
EndSection
** Affects: xorg (Ubuntu)
Importance: Untriaged
Status: Unconfirmed
--
xorg consumes 99.9% CPU and hangs on Kubuntu Dapper
https://launchpad.net/bugs/61250
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