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List:       amarok-bugs-dist
Subject:    [amarok] [Bug 376644] New: Amarok (2.8.90), Fedora25, please increase 'nice' level to stop choppy mu
From:       Jose Da Silva <bugzilla_noreply () kde ! org>
Date:       2017-02-18 22:41:11
Message-ID: bug-376644-71684 () http ! bugs ! kde ! org/
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https://bugs.kde.org/show_bug.cgi?id=376644

            Bug ID: 376644
           Summary: Amarok (2.8.90), Fedora25, please increase 'nice'
                    level to stop choppy music
           Product: amarok
           Version: 2.8.90 (2.9 beta)
          Platform: Fedora RPMs
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: amarok-bugs-dist@kde.org
          Reporter: Digital@JoesCat.com
  Target Milestone: 2.9

Fairly fresh install of KDE-Fedora25, playlist is currently the default song on
Amarok, and a CDrom inserted into the CD drive. Commercial music "Genesis".

While trying to play music from the CD, running into problem where Amarok is
not able to keep-up, and therefore the music plays "choppy".

A temporary solution to my problem is to open-up a Konsole terminal and run
amarok as:
nice -10 amarok
This appears to stop choppiness and has been playing CDrom music smoothly and
consistent with various CDs.
I've also been running another konsole terminal with
nice 10 boincmgr
at the same time and amarok continues to play smoothly even though boinc is
number crunching 100% in the background.
"top" shows 90% cpu crunching on boinc, and 5% for Amarok.

I suspect developers running modern computers with multiple cores won't see
this, but users running slower/older computers are likely going to "hear"
skipping/choping/breaks.

I don't think the amarok gui needs to be scheduled higher, but the audio
sections involved will need to have the nice scheduling upgraded.

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