Kernel panic on PowerMac G5 while scanning for SMU sensors

Phileas Fogg phileas-fogg at
Sun Mar 17 23:42:34 EST 2013

On 03/17/2013 01:07 PM, Phileas Fogg wrote:
> I wanted to read the temperature sensors of my PowerMac G5 11,2.
> For that i installed the lm-sensors package, run 'sensors-detect'
> command and my Linux 3.8.2 kernel paniced in
> _smu_i2c_low_completion_
> with this message
> 'Unable to handle kernel paging request for data at address 0x00000008.'
> Regards
> _______________________________________________
> Linuxppc-dev mailing list
> Linuxppc-dev at

A further analysis showed that it crashes in _smu_i2c_complete_command_
which is called from _smu_i2c_low_completion_.

This line caused the panic:



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