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[Bug 816638] Re: Pulseaudio consumes 100% of the cpu when trying to play a sound with natty's linaro LEB and 3.0.0-1402-linaro-lt-omap

To: linaro-release@xxxxxxxxxxxxxxxxxxx
From: James Tunnicliffe <launchpad@xxxxxxxxxxxxx>
Date: Thu, 29 Sep 2011 11:03:31 -0000
Reply-to: Bug 816638 <816638@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx
Looks like it is back in the latest Panda RC hardware pack:

Created image using:
linaro-media-create --nocheck-mmc --hwpack-force-yes --rootfs ext4 --mmc /dev/sdc --dev panda --binary /home/dooferlad/.cache/linaro/image-tools/fetch_image/snapshots.linaro.org/11.05-daily/linaro-ubuntu-desktop/20110926/0/images/tar/linaro-n-ubuntu-desktop-tar-20110926-0.tar.gz --hwpack ~/Downloads/hwpack_linaro-panda_20110927-1110_armel_supported.tar.gz

Hardware pack from http://snapshots.linaro.org/11.05-daily/linaro-
hwpacks/lt-panda-x11-base-natty/20110927/1/

As soon as the desktop loads, the collowing message is seen in a
continuous loop:

[  180.596038]  SDP4430 Media: asoc: SDP4430 Media no valid playback route from source to sink
[  180.605255] omap-abe-dai omap-abe-dai: omap_abe_dai_startup: MultiMedia1
[  180.612518] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
[  180.621337] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.628814] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
[  180.637084] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.644622] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
[  180.652496] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.659698] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
[  180.667877] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.675140] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
[  180.679351] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.690002] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
[  180.697082] omap-abe-dai omap-abe-dai: omap_abe_dai_shutdown: MultiMedia1

This is when connecting my Panda to a monitor over HDMI. When connecting
to the same screen using DVI, the screen flickers and I see this
message:

[   35.411529] type=1400 audit(1317289260.955:17): apparmor="STATUS" operation="profile_replace" name="/usr/lib/cups/backend/cups-pdf" pid=1748 comm="apparmor_parser"
[   35.427185] type=1400 audit(1317289260.986:18): apparmor="STATUS" operation="profile_replace" name="/usr/sbin/cupsd" pid=1748 comm="apparmor_parser"
[   41.026641] eth0: no IPv6 routers present
[   45.981994] omapdss DISPC error: GO bit not down for channel 2
[   45.988769] omapdss DISPC error: GO bit not down for channel 2
[   52.004089] ieee80211 phy0: device no longer idle - scanning
[   53.670776] ieee80211 phy0: device now idle
[   59.110351] omapdss DISPC error: GO bit not down for channel 2
[   59.117523] omapdss DISPC error: GO bit not down for channel 2
[   71.561553] omapdss DISPC error: GO bit not down for channel 2
[   71.569488] omapdss DISPC error: GO bit not down for channel 2
[   82.827972] ieee80211 phy0: device no longer idle - scanning
[   84.239257] omapdss DISPC error: GO bit not down for channel 2
[   84.247955] omapdss DISPC error: GO bit not down for channel 2
[   84.520050] ieee80211 phy0: device now idle
[   95.628540] omapdss DISPC error: GO bit not down for channel 2
[   95.637298] omapdss DISPC error: GO bit not down for channel 2
[  107.396514] omapdss DISPC error: GO bit not down for channel 2
[  107.404479] omapdss DISPC error: GO bit not down for channel 2
[  118.767883] omapdss DISPC error: GO bit not down for channel 2
[  118.776306] omapdss DISPC error: GO bit not down for channel 2
[  123.096588] ieee80211 phy0: device no longer idle - scanning
[  124.767364] ieee80211 phy0: device now idle
[  130.566772] omapdss DISPC error: GO bit not down for channel 2
[  130.574249] omapdss DISPC error: GO bit not down for channel 2

Trying today's build has the same result. Command used to create image was:
linaro-media-create --nocheck-mmc --hwpack-force-yes --rootfs ext4 --mmc /dev/sdc --dev panda --binary /home/dooferlad/.cache/linaro/image-tools/fetch_image/snapsh
ots.linaro.org/11.05-daily/linaro-ubuntu-desktop/20110929/0/images/tar/linaro-n-ubuntu-desktop-tar-20110929-0.tar.gz --hwpack /home/dooferlad/.cache/linaro/image-tools/fetch_image
/snapshots.linaro.org/11.05-daily/linaro-hwpacks/lt-panda-x11-base-natty/20110929/0/images/hwpack/hwpack_linaro-lt-panda-x11-base_20110929-0_armel_supported.tar.gz

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https://bugs.launchpad.net/bugs/816638

Title:
  Pulseaudio consumes 100% of the cpu when trying to play a sound with
  natty's linaro LEB and 3.0.0-1402-linaro-lt-omap

Status in Linaro Ubuntu Evaluation Builds:
  Fix Released

Bug description:
  Once gdm starts with the user session, pulseaudio will start and
  consume 100% of the CPU, letting the desktop unusable.

  Linking /bin/true to /usr/bin/pulseaudio makes the system usable
  again.

  Hwpack: hwpack_linaro-lt-panda-x11-base_20110726-1_armel_supported.tar.gz
  Image: linaro-n-ubuntu-desktop-tar-20110726-1.tar.gz
  Kernel: linux-image-3.0.0-1402-linaro-lt-omap 3.0.0-1402.3~ppa~natty

  Another thing is that the serial gets flooded by like:
  [   37.145355]  SDP4430 Media: scan for new SDP4430 Media playback streams
  [   37.154266] aess aess: check playback path from MM_DL_LP to PDM_DL1
  [   37.161010] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.170166] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.179229] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.188415] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.197265]  SDP4430 Media:  scanned playback paths BE PDM_DL1 for stream HS Playback num 0
  [   37.205993] aess aess: check playback path from MM_DL_LP to PDM_DL2
  [   37.212829] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.221618] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.227081] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.239715] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.248565]  SDP4430 Media:  scanned playback paths BE PDM_DL2 for stream HF Playback num 0
  [   37.257324] aess aess: check playback path from MM_DL_LP to BT_VX_DL
  [   37.264343] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.272979] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.282073] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.290802] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.299530]  SDP4430 Media:  scanned playback paths BE BT_VX_DL for stream BT num 0
  [   37.303649] aess aess: check playback path from MM_DL_LP to MM_EXT_DL
  [   37.314636] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.320831] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.332031] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.340667] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.349456]  SDP4430 Media:  scanned playback paths BE MM_EXT_DL for stream FM num 0
  [   37.357635]  SDP4430 Media: asoc: SDP4430 Media no valid playback route from source to sink
  [   37.366760]  SDP4430 Media: dsp: open FE SDP4430 Media
  [   37.372528] omap-abe-dai omap-abe-dai: omap_abe_dai_startup: MultiMedia1
  [   37.379730]  SDP4430 Media: dsp: hw_params FE SDP4430 Media
  [   37.379730] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
  [   37.393615]  SDP4430 Media: dsp: prepare FE SDP4430 Media
  [   37.399505]  SDP4430 Media: dsp: no backend DAIs enabled for SDP4430 Media
  [   37.406860]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.412780] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.419860]  SDP4430 Media: dsp: hw_params FE SDP4430 Media
  [   37.425872] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
  [   37.433410]  SDP4430 Media: dsp: prepare FE SDP4430 Media
  [   37.439117]  SDP4430 Media: dsp: no backend DAIs enabled for SDP4430 Media
  [   37.446533]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.452362] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.459594]  SDP4430 Media: dsp: hw_params FE SDP4430 Media
  [   37.465942] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
  [   37.473266]  SDP4430 Media: dsp: prepare FE SDP4430 Media
  [   37.477142]  SDP4430 Media: dsp: no backend DAIs enabled for SDP4430 Media
  [   37.486694]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.488739] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.499694]  SDP4430 Media: dsp: hw_params FE SDP4430 Media
  [   37.505706] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
  [   37.513031]  SDP4430 Media: dsp: prepare FE SDP4430 Media
  [   37.518859]  SDP4430 Media: dsp: no backend DAIs enabled for SDP4430 Media
  [   37.526245]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.532257] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.532257]  SDP4430 Media: dsp: hw_params FE SDP4430 Media
  [   37.545440] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_params: MultiMedia1
  [   37.552795]  SDP4430 Media: dsp: prepare FE SDP4430 Media
  [   37.558868]  SDP4430 Media: dsp: no backend DAIs enabled for SDP4430 Media
  [   37.566253]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.567260] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.579315]  SDP4430 Media: dsp: hw_free FE SDP4430 Media
  [   37.581817] omap-abe-dai omap-abe-dai: omap_abe_dai_hw_free: MultiMedia1
  [   37.592803]  SDP4430 Media: dsp: close FE SDP4430 Media
  [   37.598419] omap-abe-dai omap-abe-dai: omap_abe_dai_shutdown: MultiMedia1
  [   37.606414]  SDP4430 Media: scan for new SDP4430 Media playback streams
  [   37.613616] aess aess: check playback path from MM_DL_LP to PDM_DL1
  [   37.620391] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.629211] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.637908] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.646697] aess aess:  1:try source MM_DL_LP path (null) to MM_DL VMixer len 0 connect 1
  [   37.655700]  SDP4430 Media:  scanned playback paths BE PDM_DL1 for stream HS Playback num 0

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