On 1/26/20 6:55 AM, Bertrand Dekoninck wrote:
> Hi !
> Since I've installed ppc64 sid on powermac 7,3 G5, I encounter sudden
> shutdowns. These can happen very often if I use the machine, but they
> also happen when I leave it idle. It's a very strong reason not to use
> sid on this computer.
> 
> They aren't regular shutdowns and happen instantly, the filesystems are
> not unmounted and broken and so they have to be restored at the next
> boot. The only partition that isn't restored is the grub partition
> because of broken ppcutils on ppc64. I then use debian wheezy to restore
> it.
> 
> They happen randomly but seem to be somewhat linked to files access, as
> they sometimes happen when I'm using mate file selector.
> 
> I've looked into various system logs but can find any entry related to
> these shutdowns or the date they occur.
> 
> I don't think that they are caused by an hardware problem on my
> computer, because it runs absolutely fine in debian wheezy and osX.
> 
> Has anyone a clue to help me to track down the cause of these so that I
> can file a bug ?
> 
> Cheers,
> 
> Bertrand
> 

It may be a hardware overheating issue.  Did you install windfarm_core
and windfarm_fcu_controls to control the fans?

-Stan Johnson

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