Problems with deep sleep mode on IMX8M Mini EVK?

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Problems with deep sleep mode on IMX8M Mini EVK?

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lucpv78
Contributor I

Hi,
I am developing on IMX8M Mini EVK running Android OS 9. I set the deep sleep mode with the command:
echo mem > /sys/power/state
However, when the system enters this mode, the console displays the following message every 60 seconds:
[   91.514416] PM: suspend entry (deep)
[   91.518110] PM: Syncing filesystems ...
[   91.549101] done.
[   91.551496] Freezing user space processes ... (elapsed 0.002 seconds) done.
[   91.561145] OOM killer disabled.
[   91.564403] Freezing remaining freezable tasks ... (elapsed 0.171 seconds) done.
[   91.743312] Suspending console(s) (use no_console_suspend to debug)
[   92.327981] Goodix-TS 1-005d: Screen off command failed
[   92.327995] dpm_run_callback(): goodix_sleep+0x0/0x160 returns -11
[   92.327999] PM: Device 1-005d failed to suspend: error -11
[   92.338823] PM: Some devices failed to suspend, or early wake event detected
[   92.547902] mmc2: queuing unknown CIS tuple 0x01 (3 bytes)
[   92.555704] mmc2: queuing unknown CIS tuple 0x1a (5 bytes)
[   92.559088] mmc2: queuing unknown CIS tuple 0x1b (8 bytes)
[   92.559769] mmc2: queuing unknown CIS tuple 0x14 (0 bytes)
[   92.612077] OOM killer enabled.
[   92.615225] Restarting tasks ... done.
[   92.620394] PM: suspend exit

Is the system working properly in this mode? Why is this message available every 60 seconds?
Can someone show me How to fix this problem?
Thank you very much!

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1,159 次查看
diegoadrian
NXP Employee
NXP Employee

Hello,

Could you please try to enter into deep sleep mode whit the Android interface?

Put Android to sleep for testing - Stack Overflow 

However, this seems to be a normal behavior.

Best regards,

Diego.

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