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Oschtan
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Joined: 27 Dec 2008
Posts: 65
Location: Russia, Novosibirsk

PostPosted: Thu Jan 25, 2018 2:35 pm    Post subject: Display slowly wakes up Reply with quote

After the system was updated in December 2017, starting with the 4.9.72 kernel, a constant problem arose: after disconnecting the monitor (goes into sleep) it is very hard to make it wake up again (1-1.5 minutes of active pressing of the keyboard and mouse). What can be the cause of the problem? (as in X and in console tty)
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Oschtan
n00b
n00b


Joined: 27 Dec 2008
Posts: 65
Location: Russia, Novosibirsk

PostPosted: Fri Jan 26, 2018 6:33 pm    Post subject: Reply with quote

Found. The following option was active in the kernel:
Code:
Power management and ACPI options  --->
--> [*] Enable workqueue power-efficient mode by default

I disable it and everything was decided
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