[kde] [Bug 322900] New: knotify hangs if configured to use the KDE sound system with and M-Audio Delta 1010lt (envy24 IC)

[Lisandro Damián Nicanor Pérez Meyer]

https://bugs.kde.org/show_bug.cgi?id=322900

            Bug ID: 322900
           Summary: knotify hangs if configured to use the KDE sound
                    system with and M-Audio Delta 1010lt (envy24 IC)
    Classification: Unclassified
           Product: kde
           Version: 4.10.5
          Platform: Debian unstable
                OS: Linux
            Status: UNCONFIRMED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: unassigned-bugs at kde.org
          Reporter: perezmeyer at gmail.com

This was a hard one to detect. The problem is that if knotify is configured to
use the KDE sound system running with an M-Audio Delta 1010LT sound card, it
somehow manages to set the source of the clock of the sound card to S/PDIF.
Then *I guess* the notifications hangs because as there is no clock in the
sound card, nothing can "evolve" including the software that plays the audio
itself. This also means that the clock source can't be changed until knotify
apps are killed.

How does knotify manages to change the source clock I really don't know.

I understand this can be a very hard bug to solve without the proper hardware,
so please do not hesitate in asking me for more info/compile stuff, etc.

Reproducible: Always

Actual Results:  
Sound hanged, can't change audio card's master/source clock.

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