Subject: Re: Kernel panic on PowerMac G5 while scanning for SMU sensors

From: Phileas Fogg <[email-masked]>
Date: Sun, 17 Mar 2013 13:42:34 +0100

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
> [email-masked]
> https://lists.ozlabs.org/listinfo/linuxppc-dev

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:

list_del(&cmd->link);

regards