Re: [PATCH v2] reboot: Backup orderly_poweroff
From: Ingo Molnar
Date: Thu Jan 14 2016 - 06:24:06 EST
* Keerthy <a0393675@xxxxxx> wrote:
> I tried to simulate the issue.
>
> In the probe function of drivers/thermal/ti-soc-thermal/ti-bandgap.c
> ti_bandgap_probe i call
>
> orderly_poweroff(true);
>
> This is while driver probes are still on going. I observe that
> ret = run_cmd(poweroff_cmd);
>
> ret is a non-zero value and we enter the if condition:
>
> Even after the
>
> emergency_sync();
> kernel_power_off();
>
> calls
>
> the console remained active in weird state.
Now _that_ is clearly an architecture bug that should not be papered over ...
If kernel_power_off() is called then the system should power off. No ifs and
whens.
Thanks,
Ingo