usb/93408: hw.acpi.cpu.cx_lowest=C3 on AMD Turion causes choppy mouse or system freeze when it is installed on flash disk

[Jakub Jozwicki]

>Number:         93408
>Category:       usb
>Synopsis:       hw.acpi.cpu.cx_lowest=C3 on AMD Turion causes choppy mouse or system freeze when it is installed on flash disk
>Confidential:   no
>Severity:       serious
>Priority:       low
>Responsible:    freebsd-usb
>State:          open
>Quarter:        
>Keywords:       
>Date-Required:
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Wed Feb 15 21:10:04 GMT 2006
>Closed-Date:
>Last-Modified:
>Originator:     Jakub Jozwicki
>Release:        6.1-beta1 i386
>Organization:
>Environment:
>Description:
sysctl hw.acpi.cpu.cx_lowest=C3
causes system freeze when it is installed on usb flash disk,
platform = AMD Turion 64. When installed on hdd mouse is choppy
>How-To-Repeat:
buy some laptop with AMD64 processor
install FreeBSD
sysctl hw.acpi.cpu.cx_lowest=C3
>Fix:
              
>Release-Note:
>Audit-Trail:
>Unformatted: