[Bugme-new] [Bug 10998] New: applesmc - Sudden motion sensor not recognized on newer versions of MacBook Pro

bugme-daemon at bugzilla.kernel.org bugme-daemon at bugzilla.kernel.org
Sat Jun 28 01:43:55 PDT 2008


http://bugzilla.kernel.org/show_bug.cgi?id=10998

           Summary: applesmc - Sudden motion sensor not recognized on newer
                    versions of MacBook Pro
           Product: Drivers
           Version: 2.5
     KernelVersion: 2.6.25.9
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Hardware Monitoring
        AssignedTo: khali at linux-fr.org
        ReportedBy: h_psaier at gmx.at
                CC: nicolas at boichat.ch


Latest working kernel version:2.6.25.9
Earliest failing kernel version:2.6.23.*
Distribution: Gentoo / homebrowen kernel
Hardware Environment: MacBook Pro 4.1 of Feb. 2008
Software Environment: Gentoo Stage 3 environment
Problem Description: 
On boot all MBP features (backlight control, temperature sensors, ...) are
recogized correctly EXCEPT the sudden motion sensor. However as another user
descibes: 
This only occurs if I hard boot to linux.  If I first boot to osx, and
then soft boot (restart) to linux, the motion sensor works as
expected.
Now, I don't know how the kernel developer of the module came up with the init
magic, but I am of course ready to supply any debugging/system information
available.
Steps to reproduce:
mainstream kernel 2.6.25.9 on loading the applesmc driver:
applesmc: Apple MacBook Pro detected: 
applesmc: - Model with accelerometer applesmc: - 
Model with light sensors and backlight applesmc: - 
Model with 12 temperature sensors 
applesmc: wait status failed: c != 8 
applesmc: wait status failed: c != 8 
applesmc: wait status failed: c != 8 
... (endless same lines)

mactel patched kernel 2.6.25.9 on loading the applesmc driver:
applesmc: Cannot set motion sensor. might not receive some interrupts.


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