Public bug reported:
After upgrading to Ubuntu 10.04 I get a sound lag of about 30 seconds in the
game Enemy Territory Quake Wars.
At first, the sound works as expected. But after some time (about 30-60
seconds) the game gets totally quiet.
Another 30 seconds later, the sound returns, but now playing with a delay of 30
seconds.
There are no relevant messages to the games log or the syslog.
This could be an alsa or pulse audio bug.
Running the game with pasuspender causes excessive processor usage and
logs messages like:
idAudioHardwareALSA::Write: 4096 frames overflowed and dropped
snd_pcm_readi failed: Resource temporarily unavailable
snd_pcm_readi failed: Resource temporarily unavailable
snd_pcm_readi failed: Resource temporarily unavailable
...
Are there any changes in 10.04 that could have affected sound latency?
alsa-source:
Installerad: (ingen)
Kandidat: 1.0.22.1+dfsg-0ubuntu3
Versionstabell:
1.0.22.1+dfsg-0ubuntu3 0
500 http://se.archive.ubuntu.com/ubuntu/ lucid/universe Packages
pulseaudio:
Installerad: 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
Kandidat: 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14
Versionstabell:
*** 1:0.9.22~0.9.21+stable-queue-32-g8478-0ubuntu14 0
500 http://se.archive.ubuntu.com/ubuntu/ lucid/main Packages
100 /var/lib/dpkg/status
linux:
Installerad: (ingen)
Kandidat: 2.6.32.21.22
Versionstabell:
2.6.32.21.22 0
500 http://se.archive.ubuntu.com/ubuntu/ lucid/main Packages
00:1b.0 Audio device: Intel Corporation N10/ICH 7 Family High Definition Audio
Controller (rev 01)
Subsystem: ASUSTeK Computer Inc. Device 817f
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at bdcf8000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0
Enable-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
** Affects: ubuntu
Importance: Undecided
Status: New
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30 seconds sound lag after upgrade to Ubuntu 10.04
https://bugs.launchpad.net/bugs/575371
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