[haiku-bugs] Re: [Haiku] #5866: "multi_audio audio output" thread hogging cpu usage, keyboard and touchpad don't work

  • From: "Haiku" <trac@xxxxxxxxxxxx>
  • To: undisclosed-recipients: ;
  • Date: Sun, 17 May 2020 19:50:23 -0000

#5866: "multi_audio audio output" thread hogging cpu usage, keyboard and 
touchpad
don't work
----------------------------+-----------------------------------------
  Reporter:  6foot3         |      Owner:  axeld
      Type:  bug            |     Status:  reopened
  Priority:  normal         |  Milestone:  R1/beta1
 Component:  System/Kernel  |    Version:  R1/Development
Resolution:                 |   Keywords:  cpu usage keyboard touchpad
Blocked By:                 |   Blocking:
  Platform:  x86            |
----------------------------+-----------------------------------------
Changes (by MatejHorvat):

 * status:  closed => reopened
 * resolution:  fixed =>

Comment:

 I can reproduce this in hrev54154+31 by opening e.g. Discord in Otter
 Browser, though it also happens sometimes when loading this site. In
 general, audio works on this computer.

 The OS simply freezes. If I manually enter KDL, "multi_audio audio output"
 is the running thread (and nothing else can run because it has real-time
 priority and Haiku detects only one CPU core out of two). Entering
 "suspend <thread id>" and then "continue" does nothing.

 If I manually give it a lower priority before this happens, then "Audio
 Mixer Control" occupies the CPU the same way (and sometimes even "AT
 Keyboard 1 watcher", which is not even part of media_addon_server).
-- 
Ticket URL: <https://dev.haiku-os.org/ticket/5866#comment:9>
Haiku <https://dev.haiku-os.org>
The Haiku operating system.

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