desktop-packages team mailing list archive

[Tony Espy <1388201@xxxxxxxxxxxxxxxxxx>]

This bug is specific to arale, krillin, and most likely vegatta (
although as I don't have once, I haven't been able to test ).  It's
related to the fact that on devices using MTK's Wi-Fi driver, we're
forced to use hybris for power control of the Wi-Fi radios.  This
leverages the Android HAL functions wifi_load/unload_driver().  On
systems configured without kernel modules, this results in a driver
command to start/stop Wi-Fi ( this is accomplished by writing the string
"0" or "1" to the character device ( /dev/wmtWiFi ).

I just checked mako ( rc-proposed, #222 ) and no stuttering occurs when
Wi-Fi is enabled or disabled.

Also re-checked arale ( rc-proposed, #88 ) and krillin ( rc-proposed,
#104 ) and both still skip/stutter when Wi-Fi is toggled.

Bug #1487529 reported for arale.

** Summary changed:

- Toggling wifi on/off causes media playback to hiccup
+ [arale/krillin] Toggling wifi on/off causes media playback to hiccup

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https://bugs.launchpad.net/bugs/1388201

Title:
  [arale/krillin] Toggling wifi on/off causes media playback to hiccup

Status in Canonical System Image:
  Confirmed
Status in Network Menu:
  Invalid
Status in network-manager package in Ubuntu:
  Incomplete

Bug description:
  1. Play a song with music-app
  2. Switch wifi off, notice that music-app playback pauses for a moment
  3. Switch wifi on, notice that music-app playback pauses for a moment
  4. Watch the CPU usage with top while toggling wifi and notice that the usage spikes to 100%

  Expected results:

  Music or video keeps playing without pausing while toggling wifi
  on/off

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