Hi Niklas,
On Fri, Feb 19, 2016 at 2:24 PM, Niklas Söderlund
<niklas.soderlund@xxxxxxxxxxxx> wrote:
> On 2016-02-19 11:25:13 +0100, Geert Uytterhoeven wrote:
>> When doing s2ram, emev2/kzm9d crashes during system suspend with
>>
>> CPU1: smp_ops.cpu_die() returned, trying to resuscitate
>> Unable to handle kernel NULL pointer dereference at virtual address 00000104
>>
>> As of commit d62242d7f63d6c87 ("ARM: shmobile: Remove partial CPU
>> Hotplug from EMEV2"), there's no longer an smp_ops.cpu_die() callback.
>>
>> Add standard SCU-based hotplug callbacks like on other Cortex-A9 SoCs to
>> fix the crash during suspend.
>>
>> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
>> ---
>> This fixes the crash during the suspend phase, but I have no idea if
>> resume actually works. I didn't manage to resume the machine after
>> enabling wake-up on ttyS0 (remote access only).
>>
>> Can anyone with physical access to emev2/kzm9d please check if pressing
>> a button resumes the system?
>
> As discussed on IRC I tested this and it fixes the crash when suspending
> to ram but unfortunately I can't get it to resume.
Thanks a lot for testing!
Let's drop this patch for now.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
