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From: jingyun@cpu-os.ac.cn (jingyun at cpu-os.ac.cn)
To: kernelnewbies@lists.kernelnewbies.org
Subject: USB keyboard can NOT wakeup from S3( suspend to RAM )
Date: Wed, 16 Aug 2017 18:03:22 +0800	[thread overview]
Message-ID: <2017081618032184773520@cpu-os.ac.cn> (raw)

hi, there

thx in advance;

I encounter a strange (maybe) bug:
During the suspending of my linux box(which runs debian 9), I hit the key of the USB interfaced keyboard;
after making sure the box enter suspend state  for a while ( which I can tell from the power LED blinks), 
I can NOT wakeup it by hit that keyboard any more.
But if I do NOT hit the key during the suspending, I CAN wake it up by hitting the keyboard.

After that I tried Ubuntu 16.04(runs 4.4 version kernel ) and Ubuntu 14.04 ( 3.13 kernel).
And I found all of them got the same problem;

Do not know if this is the right place to ask. Just a try.

Thanks again.

Jim



 



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             reply	other threads:[~2017-08-16 10:03 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-16 10:03 jingyun at cpu-os.ac.cn [this message]
2017-08-30  6:09 ` USB keyboard can NOT wakeup from S3( suspend to RAM ) Greg KH
2017-08-30  6:55   ` valdis.kletnieks at vt.edu
2017-08-30 22:38   ` jingyun at cpu-os.ac.cn
2017-08-31  7:16     ` Greg KH
2017-09-05  1:51       ` jingyun at cpu-os.ac.cn
2017-08-30  7:45 ` Andrey Skvortsov
2017-08-30 23:06   ` jingyun at cpu-os.ac.cn
2017-09-05  6:32     ` Martin Kepplinger
2017-09-05  2:20       ` jingyun at cpu-os.ac.cn

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