[Bug 645741] [NEW] random complete system freeze in 10.04

[Ben]

Public bug reported:

System: 
Ubuntu 10.04.1 LTS
Release:	10.04

Hardware:
ThinkCentre M51 8141-KUB
Complete system info at: http://www-307.ibm.com/pc/support/site.wss/quickPath.do?quickPathEntry=8141KUB

Intel® Pentium® 4 Processor 540 with HT Technology 
2.5GB PC3200 CL2.5 DDR SDRAM UDIMM
40GB 7200RPM S-ATA HDD
Intel Graphics Media Accelerator 900 (i915 chipset)
DVD Multi-Burner Plus 16x
Broadcom Gigabit Ethernet

Problem:
Entire system randomly freezes.

Symptoms:
System is not pingable after freeze.
SSH not operational after freeze.
Alt-SysReq REISUB keys do not function.
Ctrl-Alt-Backspace does not function.
Ctrl-Alt-delete does not function.
continuous Memtest scans do not fail.
Forced power off required to recover.

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: New


** Tags: entire freeze lockup random system

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random complete system freeze in 10.04
https://bugs.launchpad.net/bugs/645741
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