[Bug 249817] Re: Adobe Flash player 10 in Firefox 3 has problems with sound

[SEWilco]

Ubuntu 9.10 Firefox 3 sometimes loses the ability to play sound in
Flash.

-- 
Adobe Flash player 10 in Firefox 3 has problems with sound
https://bugs.launchpad.net/bugs/249817
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Linux.

Status in “flashplugin-nonfree” package in Ubuntu: Incomplete
Status in PLD Linux Distribution: Won't Fix

Bug description:
After some random time from starting Firefox it is no longer able to play flash sounds correctly. For example trying to watch a YouTube movie results in the video pausing a second or so into the playback. After about half a minute the video resumes and a stuttering sound appears (sound buffer looping over the first second or so of actual soundtrack). Scrolling controls work fine and the interface is responsive. Stuttering sound continues through the whole movie occasionally changing to some random 1-second sample of the soundtrack.

OSS is not loaded. Neither esound nor pulseaudio daemons are installed or active.

During the hang other applications have no problems playing the audio so the device is not locked. Even aplay works.

[patrys at purrr ~]$ sudo lsof | grep snd
mixer_app  8483     patrys   23u      CHR      116,0                 8373 /dev/snd/controlC0
firefox-b 30548     patrys  mem       CHR     116,16                 8352 /dev/snd/pcmC0D0p
firefox-b 30548     patrys   88r      CHR     116,33                 8198 /dev/snd/timer
firefox-b 30548     patrys   89u      CHR     116,16                 8352 /dev/snd/pcmC0D0p
firefox-b 30548     patrys   90u      CHR      116,0                 8373 /dev/snd/controlC0

[patrys at purrr ~]$ rpm -q kernel-vanilla alsa-lib mozilla-firefox adobe-flash esound-libs
kernel-vanilla-2.6.25.5-1.i686
alsa-lib-1.0.16-2.i686
mozilla-firefox-3.0-3.i686
adobe-flash-10.0.0.0-1wla.i686
esound-libs-0.2.38-1.i686