[Bug 21678] New: -radeon open source driver always run fans at full speed for modern cards

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Mon May 11 07:13:54 PDT 2009


           Summary: -radeon open source driver always run fans at full speed
                    for modern cards
           Product: xorg
           Version: 7.4
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
        AssignedTo: xorg-driver-ati at lists.x.org
        ReportedBy: mnemo at minimum.se
         QAContact: xorg-team at lists.x.org

I'm filing this bug upstream on behalf of another Ubuntu user.
The original downstream bug report is here:

It seems that several Ubuntu users are unable to use the -ati
driver because (even they accept not having 3D at the moment)
there is no power management for modern ATI cards and so basically
their GPU fans run all 100% speed all the time (very noisy).

One AMD/ATI card affected by this problem is for example:
01:00.0 VGA compatible controller [0300]: ATI Technologies Inc Mobility Radeon
HD 3400 Series [1002:95c4]
...using the driver that the user had was 6.12.1 (shipped in ubuntu 9.04)

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