http://bugzilla.kernel.org/show_bug.cgi?id=12197
Summary: System freeze with Speedstep enabled
Product: ACPI
Version: 2.5
KernelVersion: 2.6.27.5
Platform: All
OS/Version: Linux
Tree: Mainline
Status: NEW
Severity: normal
Priority: P1
Component: BIOS
AssignedTo: [EMAIL PROTECTED]
ReportedBy: [EMAIL PROTECTED]
Latest working kernel version: 2.6.18
Earliest failing kernel version:
Distribution: Fedora 10
Hardware Environment: ASRock 775dual-880Pro - VIA PT880 Pro
Software Environment:
Problem Description:
After a few minutes the system freezes. With acpi=off the system behaves as
normal but without scaling cpu frequency. I can use it with ACPI but disabling
Speedstep on my BIOS (again, no scaling).
With kernel 2.6.18 I have no freezes but the frequency doesn't scale down.
I've the same problem with Ubuntu, with or without the NVidia modules.
Steps to reproduce: Boot a system with kernel > 2.6.18, after a few minutes
(varying) the system freezes
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