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SubjectRe: Suspend-resume failure on Intel Eagle Lake Core2Duo
Hi.

2017-08-01 0:55 GMT+09:00 Thomas Gleixner <tglx@linutronix.de>:
> On Mon, 31 Jul 2017, Tomi Sarvela wrote:
>> On 31/07/17 18:06, Thomas Gleixner wrote:
>> > Can you please remove the patch. And try the following:
>> >
>> > # echo N > /sys/module/printk/parameters/console_suspend
>> >
>> > # echo mem > /sys/power/state
>> >
>> > and log the output of the serial console. That way we might get a clue
>> > where it gets stuck.
>>
>> I'm afraid it hangs right away. No response from SSH, no output to serial.
>
> What means hangs right away? Is there no output at all on the serial
> console? Or does it just stop at some point?
>
> Thanks,
>
> tglx
>

Sorry for jumping in.
Finally, I found this thread.


My environment is completely different (ARM64 board),
I am also suffering from a hibernation problem
since this commit.


I get no response on the serial console
after "Restarting tasks ... done." log message.


By reverting bf22ff45bed6 ("genirq: Avoid unnecessary low level
irq function calls", I can get hibernation working again.


SW info:
defconfig: arch/arm64/configs/defconfig
DT : arch/arm64/boot/dts/socionext/uniphier-ld20-ref.dts
PSCI : ARM Trusted Firmware


SoC info:
CPU : Cortex-A72 * 2 + Cortex-A53 * 2
irqchip : GICv3 (drivers/irq/irq-gic-v3.c)





--
Best Regards
Masahiro Yamada

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