From: greg@kroah.com (Greg KH)
To: kernelnewbies@lists.kernelnewbies.org
Subject: USB keyboard can NOT wakeup from S3( suspend to RAM )
Date: Wed, 30 Aug 2017 08:09:55 +0200 [thread overview]
Message-ID: <20170830060955.GE3035@kroah.com> (raw)
In-Reply-To: <2017081618032184773520@cpu-os.ac.cn>
On Wed, Aug 16, 2017 at 06:03:22PM +0800, jingyun at cpu-os.ac.cn wrote:
> 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.
Sounds like your system does not support USB wakeup, which is very
common, sorry.
good luck!
greg k-h
next prev parent reply other threads:[~2017-08-30 6:09 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-16 10:03 USB keyboard can NOT wakeup from S3( suspend to RAM ) jingyun at cpu-os.ac.cn
2017-08-30 6:09 ` Greg KH [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170830060955.GE3035@kroah.com \
--to=greg@kroah.com \
--cc=kernelnewbies@lists.kernelnewbies.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).