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Message-Id: <200509130231.j8D2VJ6n087151@www.freebsd.org>
Date: Tue, 13 Sep 2005 02:31:19 GMT
From: Mike <mspam@ideaway.net>
To: freebsd-gnats-submit@FreeBSD.org
Subject: laptop fan does not turn off if it is "on" at boot time, regardless of CPU temperature
X-Send-Pr-Version: www-2.3

>Number:         86049
>Category:       kern
>Synopsis:       [acpi] laptop fan does not turn off if it is "on" at boot time, regardless of CPU temperature
>Confidential:   no
>Severity:       non-critical
>Priority:       low
>Responsible:    freebsd-bugs
>State:          closed
>Quarter:        
>Keywords:       
>Date-Required:  
>Class:          sw-bug
>Submitter-Id:   current-users
>Arrival-Date:   Tue Sep 13 02:40:10 GMT 2005
>Closed-Date:    Sat Jun 23 16:02:53 GMT 2007
>Last-Modified:  Sat Jun 23 16:02:53 GMT 2007
>Originator:     Mike
>Release:        5.4-stable
>Organization:
>Environment:
5.4-STABLE FreeBSD 5.4-STABLE #5: Tue May 10 22:57:11 EDT 2005     

>Description:
Running on laptop, if the CPU fan is "on" during boot, it does not shut off until the cpu "on" temperature is reached once.  Fan remains on, sysctl shows:

hw.acpi.thermal.tz0._ACx: 80.0C 65.0C -1 -1 -1 -1 -1 -1 -1 -1

only way to get fan to shut off is to run something that will get CPU temperature to above 80.0C, then when it falls below 65.0C, the fan finally shuts off.
>How-To-Repeat:
Keep rebooting a laptop until it boots while CPU fan is spinning.  Don't run any processor intensive applications, fan will remain turned "on" indefinitely.  Same bahavior on various hardware, just reproduced with Dell l400 laptop before submitting PR.
>Fix:
      
>Release-Note:
>Audit-Trail:
State-Changed-From-To: open->feedback 
State-Changed-By: gavin 
State-Changed-When: Thu Jun 21 17:02:47 UTC 2007 
State-Changed-Why:  

To submitter: Is this still a problem with a more recent version of FreeBSD 
(ideally 6.x)?  A lot has changed with the ACPI subsystems since your PR 
was logged. 

http://www.freebsd.org/cgi/query-pr.cgi?pr=86049 
State-Changed-From-To: feedback->closed 
State-Changed-By: gavin 
State-Changed-When: Sat Jun 23 16:02:24 UTC 2007 
State-Changed-Why:  

Close, submitter's email address bounces 

http://www.freebsd.org/cgi/query-pr.cgi?pr=86049 
>Unformatted:
