Same happens with me on Thinkpad T61p with thinkfinger and iwl4965. I
could not notice any consistency in this behaviour. It happens randomly
and I've noticed this after the recent updates. I've upgraded by Hardy
beta on 09/04/2008 and it did not happen initially. After the
yesterday's upgraded i've noticed this behaviour. I do run wireless with
WPA-psk and my bluetooth is on by default but not peered with any
device. This too happens shortly after system boot

Info:
Hardy beta 1 with full updates as of 13/04/2008
hal: 0.5.11~rc2-1ubuntu6
uname -r : 2.6.24-16-generic
Arch: amd64

hald-addon-input strace shows a lot of:

---
oll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=7, events=POLLIN}, 
{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10, events=POLLIN}, {fd=11, 
events=POLLIN}, {fd=12, events=POLLIN, revents=POLLNVAL}, {fd=3, 
events=POLLIN}, {fd=6, events=POLLIN}], 10, -1) = 1
poll([{fd=4, events=POLLIN}, {fd=5, events=POLLIN}, {fd=7, events=POLLIN}, 
{fd=8, events=POLLIN}, {fd=9, events=POLLIN}, {fd=10, events=POLLIN}, {fd=11, 
events=POLLIN}, {fd=12, events=POLLIN, revents=POLLNVAL}, {fd=3, 
events=POLLIN}, {fd=6, events=POLLIN}], 10, -1) = 1

---

lsof |grep hald-add:

---
hald-addo  7799       root  cwd       DIR              254,3     4096   
50490928 /usr/lib/hal
hald-addo  7799       root  rtd       DIR              254,2     4096        
128 /
hald-addo  7799       root  txt       REG              254,3    23648   
50508792 /usr/lib/hal/hald-addon-input
hald-addo  7799       root  mem       REG              254,2    14624   
44091148 /lib/libdl-2.7.so
hald-addo  7799       root  mem       REG              254,2   109368   
37749080 /lib/libselinux.so.1
hald-addo  7799       root  mem       REG              254,3   154200        
379 /usr/lib/libpcre.so.3.12.1
hald-addo  7799       root  mem       REG              254,2    93080   
44091151 /lib/libnsl-2.7.so
hald-addo  7799       root  mem       REG              254,3   281104      
84998 /usr/lib/libgobject-2.0.so.0.1600.3
hald-addo  7799       root  mem       REG              254,2  1436976   
44091145 /lib/libc-2.7.so
hald-addo  7799       root  mem       REG              254,3   783864      
84993 /usr/lib/libglib-2.0.so.0.1600.3
hald-addo  7799       root  mem       REG              254,3   248432     
943790 /usr/lib/libdbus-1.so.3.4.0
hald-addo  7799       root  mem       REG              254,3   131880      
95366 /usr/lib/libdbus-glib-1.so.2.1.0
hald-addo  7799       root  mem       REG              254,3    62976      
95977 /usr/lib/libhal.so.1.0.0
hald-addo  7799       root  mem       REG              254,2   127480   
44091142 /lib/ld-2.7.so
hald-addo  7799       root  mem       REG              254,3    25700   
67240750 /usr/lib/gconv/gconv-modules.cache
hald-addo  7799       root    0r      CHR                1,3                
9809 /dev/null
hald-addo  7799       root    1u      CHR                1,3                
9809 /dev/null
hald-addo  7799       root    2u      CHR                1,3                
9809 /dev/null
hald-addo  7799       root    3u     unix 0xffff810133c16580               
19425 socket
hald-addo  7799       root    4r      CHR              13,71               
15839 /dev/input/event7
hald-addo  7799       root    5w      CHR              13,70               
15748 /dev/input/event6
hald-addo  7799       root    6r      CHR              13,65               
15707 /dev/input/event1
hald-addo  7799       root    7r      CHR              13,67               
15419 /dev/input/event3
hald-addo  7799       root    8r      CHR              13,68               
15717 /dev/input/event4
hald-addo  7799       root    9r      CHR              13,69               
15740 /dev/input/event5
hald-addo  7799       root   10r      CHR              13,72               
15727 /dev/input/event8
hald-addo  7799       root   11r      CHR              13,75               
20913 /dev/input/event11
hald-addo  7803       root  cwd       DIR              254,3     4096   
50490928 /usr/lib/hal
hald-addo  7803       root  rtd       DIR              254,2     4096        
128 /
hald-addo  7803       root  txt       REG              254,3    33672   
50508799 /usr/lib/hal/hald-addon-cpufreq
hald-addo  7803       root  mem       REG              254,2    14624   
44091148 /lib/libdl-2.7.so
hald-addo  7803       root  mem       REG              254,2   109368   
37749080 /lib/libselinux.so.1
hald-addo  7803       root  mem       REG              254,3   154200        
379 /usr/lib/libpcre.so.3.12.1
hald-addo  7803       root  mem       REG              254,2    93080   
44091151 /lib/libnsl-2.7.so
hald-addo  7803       root  mem       REG              254,3   281104      
84998 /usr/lib/libgobject-2.0.so.0.1600.3
hald-addo  7803       root  mem       REG              254,2  1436976   
44091145 /lib/libc-2.7.so
hald-addo  7803       root  mem       REG              254,3   783864      
84993 /usr/lib/libglib-2.0.so.0.1600.3
hald-addo  7803       root  mem       REG              254,3   248432     
943790 /usr/lib/libdbus-1.so.3.4.0
hald-addo  7803       root  mem       REG              254,3   131880      
95366 /usr/lib/libdbus-glib-1.so.2.1.0
hald-addo  7803       root  mem       REG              254,3    62976      
95977 /usr/lib/libhal.so.1.0.0
hald-addo  7803       root  mem       REG              254,2   127480   
44091142 /lib/ld-2.7.so
hald-addo  7803       root    0r      CHR                1,3                
9809 /dev/null
hald-addo  7803       root    1u      CHR                1,3                
9809 /dev/null
hald-addo  7803       root    2u      CHR                1,3                
9809 /dev/null
hald-addo  7803       root    3u     unix 0xffff810135e1a000               
19484 socket
hald-addo  7803       root    4r     unix 0xffff810133c17080               
19494 socket
hald-addo  7804  haldaemon  cwd       DIR              254,3     4096   
50490928 /usr/lib/hal
hald-addo  7804  haldaemon  rtd       DIR              254,2     4096        
128 /
hald-addo  7804  haldaemon  txt       REG              254,3    15240   
50508795 /usr/lib/hal/hald-addon-acpi
hald-addo  7804  haldaemon  mem       REG              254,2    47528   
44091154 /lib/libnss_files-2.7.so
hald-addo  7804  haldaemon  mem       REG              254,2    43480   
44091156 /lib/libnss_nis-2.7.so
hald-addo  7804  haldaemon  mem       REG              254,2    93080   
44091151 /lib/libnsl-2.7.so
hald-addo  7804  haldaemon  mem       REG              254,2    35632   
44091152 /lib/libnss_compat-2.7.so
hald-addo  7804  haldaemon  mem       REG              254,2  1436976   
44091145 /lib/libc-2.7.so
hald-addo  7804  haldaemon  mem       REG              254,3   248432     
943790 /usr/lib/libdbus-1.so.3.4.0
hald-addo  7804  haldaemon  mem       REG              254,3    62976      
95977 /usr/lib/libhal.so.1.0.0
hald-addo  7804  haldaemon  mem       REG              254,2   127480   
44091142 /lib/ld-2.7.so
hald-addo  7804  haldaemon    0r      CHR                1,3                
9809 /dev/null
hald-addo  7804  haldaemon    1u      CHR                1,3                
9809 /dev/null
hald-addo  7804  haldaemon    2u      CHR                1,3                
9809 /dev/null
hald-addo  7804  haldaemon    3u     unix 0xffff810133c16b00               
19485 socket
hald-addo  7804  haldaemon    4r     unix 0xffff810133c17600               
19492 socket
hald-addo  7856       root  cwd       DIR              254,3     4096   
50490928 /usr/lib/hal
hald-addo  7856       root  rtd       DIR              254,2     4096        
128 /
hald-addo  7856       root  txt       REG              254,3    23704   
50508793 /usr/lib/hal/hald-addon-storage
hald-addo  7856       root  mem       REG              254,2    14624   
44091148 /lib/libdl-2.7.so
hald-addo  7856       root  mem       REG              254,2   109368   
37749080 /lib/libselinux.so.1
hald-addo  7856       root  mem       REG              254,3   154200        
379 /usr/lib/libpcre.so.3.12.1
hald-addo  7856       root  mem       REG              254,2    93080   
44091151 /lib/libnsl-2.7.so
hald-addo  7856       root  mem       REG              254,3   281104      
84998 /usr/lib/libgobject-2.0.so.0.1600.3
hald-addo  7856       root  mem       REG              254,2  1436976   
44091145 /lib/libc-2.7.so
hald-addo  7856       root  mem       REG              254,3   783864      
84993 /usr/lib/libglib-2.0.so.0.1600.3
hald-addo  7856       root  mem       REG              254,3   248432     
943790 /usr/lib/libdbus-1.so.3.4.0
hald-addo  7856       root  mem       REG              254,3   131880      
95366 /usr/lib/libdbus-glib-1.so.2.1.0
hald-addo  7856       root  mem       REG              254,3    62976      
95977 /usr/lib/libhal.so.1.0.0
hald-addo  7856       root  mem       REG              254,2   127480   
44091142 /lib/ld-2.7.so
hald-addo  7856       root    0r      CHR                1,3                
9809 /dev/null
hald-addo  7856       root    1u      CHR                1,3                
9809 /dev/null
hald-addo  7856       root    2u      CHR                1,3                
9809 /dev/null
hald-addo  7856       root    3u     unix 0xffff810135ce6840               
19919 socket
hald-addo  7856       root    4r     unix 0xffff810135ce6dc0               
19925 socket

---

lspci:

---
00:00.0 Host bridge: Intel Corporation Mobile PM965/GM965/GL960 Memory 
Controller Hub (rev 0c)
00:01.0 PCI bridge: Intel Corporation Mobile PM965/GM965/GL960 PCI Express Root 
Port (rev 0c)
00:19.0 Ethernet controller: Intel Corporation 82566MM Gigabit Network 
Connection (rev 03)
00:1a.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #4 (rev 03)
00:1a.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #5 (rev 03)
00:1a.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI 
Controller #2 (rev 03)
00:1b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio 
Controller (rev 03)
00:1c.0 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 1 
(rev 03)
00:1c.1 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 2 
(rev 03)
00:1c.2 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 3 
(rev 03)
00:1c.3 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 4 
(rev 03)
00:1c.4 PCI bridge: Intel Corporation 82801H (ICH8 Family) PCI Express Port 5 
(rev 03)
00:1d.0 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #1 (rev 03)
00:1d.1 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #2 (rev 03)
00:1d.2 USB Controller: Intel Corporation 82801H (ICH8 Family) USB UHCI 
Controller #3 (rev 03)
00:1d.7 USB Controller: Intel Corporation 82801H (ICH8 Family) USB2 EHCI 
Controller #1 (rev 03)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev f3)
00:1f.0 ISA bridge: Intel Corporation 82801HBM (ICH8M-E) LPC Interface 
Controller (rev 03)
00:1f.1 IDE interface: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) IDE 
Controller (rev 03)
00:1f.2 SATA controller: Intel Corporation 82801HBM/HEM (ICH8M/ICH8M-E) SATA 
AHCI Controller (rev 03)
00:1f.3 SMBus: Intel Corporation 82801H (ICH8 Family) SMBus Controller (rev 03)
01:00.0 VGA compatible controller: nVidia Corporation Quadro FX 570M (rev a1)
03:00.0 Network controller: Intel Corporation PRO/Wireless 4965 AG or AGN 
Network Connection (rev 61)
15:00.0 CardBus bridge: Ricoh Co Ltd RL5c476 II (rev ba)
15:00.1 FireWire (IEEE 1394): Ricoh Co Ltd R5C832 IEEE 1394 Controller (rev 04)
15:00.2 SD Host controller: Ricoh Co Ltd R5C822 SD/SDIO/MMC/MS/MSPro Host 
Adapter (rev 21)
15:00.3 System peripheral: Ricoh Co Ltd R5C843 MMC Host Controller (rev 11)
15:00.4 System peripheral: Ricoh Co Ltd R5C592 Memory Stick Bus Host Adapter 
(rev 11)
15:00.5 System peripheral: Ricoh Co Ltd xD-Picture Card Controller (rev 11)

---


Restarting hal with /etc/init.d/hal stop / start seems to solve the problem 
(well, for now anyways)

I would be quite happy to provide more assistance on this matter

-- 
hald-addon-inpu making 100%-cpu-usage
https://bugs.launchpad.net/bugs/203679
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