Bug 1530572

Summary: RFE: add an option not to enable autosuspend for certain devices
Product: [Fedora] Fedora Reporter: Dominik 'Rathann' Mierzejewski <dominik>
Component: powertopAssignee: Jaroslav Škarvada <jskarvad>
Status: CLOSED EOL QA Contact: Fedora Extras Quality Assurance <extras-qa>
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Version: 27CC: ajax, jskarvad, olysonek, TicoTimo
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Last Closed: 2018-11-30 19:03:22 UTC Type: Bug
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Description Dominik 'Rathann' Mierzejewski 2018-01-03 11:29:56 UTC
Description of problem:
Running powertop --auto-tune is a great way to reduce power consumption by enabling autosuspend for all USB devices. Unfortunately, some USB devices don't perform well with autosuspend enabled, especially keyboards and mice (for example Logitech K800, M570 and M325, all with a Unifying Receiver). Having an option not to enable USB autosuspend for these devices when using --auto-tune would make their users' life easier.

Version-Release number of selected component (if applicable):
2.9-3.fc27

How reproducible:
Always.

Steps to Reproduce:
1. With one of the above devices connected, run powertop --auto-tune

Actual results:
The device suspends too quickly (e.g. in the middle of typing a password) and it takes noticeable time to wake it up again.

Expected results:
The device doesn't get autosuspended.

Additional info:
See bug #1482649.

Comment 1 Jaroslav Škarvada 2018-01-03 11:51:25 UTC
It's a good idea, but it's better to address it upstream.

Blacklist will probably not work, maybe better would be to skip all HID devices, and add new parameter e.g. --auto-tune-hid to forcibly enable autosuspend for HID devices.

FYI fine grained control is possible with the powertop2tuned tool from the 'tuned' package. It creates Tuned profile from the powertop suggestions and you can manually enable just what you need (e.g keep the problematic HID devices from auto-suspending). The Tuned profile is automatically applied on each boot.

Comment 2 Jaroslav Škarvada 2018-01-03 11:53:28 UTC
(In reply to Jaroslav Škarvada from comment #1)
> FYI fine grained control is possible with the powertop2tuned tool from the
> 'tuned' package. It creates Tuned profile from the powertop suggestions and
> you can manually enable just what you need (e.g keep the problematic HID
> devices from auto-suspending). The Tuned profile is automatically applied on
> each boot.

The tool is actually provided by the 'tuned-utils' package.

Comment 3 Ben Cotton 2018-11-27 17:36:15 UTC
This message is a reminder that Fedora 27 is nearing its end of life.
On 2018-Nov-30  Fedora will stop maintaining and issuing updates for
Fedora 27. It is Fedora's policy to close all bug reports from releases
that are no longer maintained. At that time this bug will be closed as
EOL if it remains open with a Fedora  'version' of '27'.

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Comment 4 Ben Cotton 2018-11-30 19:03:22 UTC
Fedora 27 changed to end-of-life (EOL) status on 2018-11-30. Fedora 27 is
no longer maintained, which means that it will not receive any further
security or bug fix updates. As a result we are closing this bug.

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