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- Bug currently fixed -

Using the POD Studio UX2 and Ubuntu 13.04 with the later releases of the
3.8.0 linux kernel the audio sounds very robotic and is slightly slower
than usual. If I remember correctly I was able to get the sound back to
normal on a slightly earlier release of the 3.8.0 linux kernel, but i
have reinstalled Ubuntu 13.04 since. The problem occurs with everything
that is played, so it is not an issue with particular applications.  My
speakers are connected in stereo through the 2 analogue outs at the back
of the device. I have never had this issue on previous releases of
Ubuntu. Playing music with this issue makes the music difficult and
overall pointless to listen to.

I have even disabled my onboard sound to see if that may be the problem,
but the issue still occurs. I believe it is a sound driver issue
relating to the later kernel releases. I hope the issue can be resolved.
Thank you.

UPDATE: The issue also affects the Line6 Toneport GX according to a user
that commented on my youtube video, also another user has commented on
my video saying that they have the same issue with their UX2 device.
This shows that the issue is more than my own. It also shows that it
affects other Line6 devices. I really hope this issue can be resolved
before the next major kernel release at the least. Thank you again.

Here's a YouTube clip of the problem
http://youtu.be/mzmESXZ_R3g

Bugzilla Upstream Bug Report
https://bugzilla.kernel.org/show_bug.cgi?id=53801

ProblemType: Bug
DistroRelease: Ubuntu 13.04
Package: alsa-base 1.0.25+dfsg-0ubuntu3
ProcVersionSignature: Ubuntu 3.8.0-1.5-generic 3.8.0-rc4
Uname: Linux 3.8.0-1-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 2.8-0ubuntu2
Architecture: amd64
AudioDevicesInUse:
 USER        PID ACCESS COMMAND
 /dev/snd/controlC0:  aaron      1793 F.... pulseaudio
 /dev/snd/controlC1:  aaron      1793 F.... pulseaudio
Date: Tue Jan 22 14:24:06 2013
InstallationDate: Installed on 2013-01-19 (2 days ago)
InstallationMedia: Ubuntu 13.04 "Raring Ringtail" - Alpha amd64 (20130118)
MarkForUpload: True
PackageArchitecture: all
SourcePackage: alsa-driver
Symptom: audio
Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PODStudioUX2 failed
Symptom_Card: UX2 - POD Studio UX2
Symptom_Type: None of the above
Title: [line6usb - POD Studio UX2, playback] Playback problem
UpgradeStatus: No upgrade log present (probably fresh install)
dmi.bios.date: 04/27/2009
dmi.bios.vendor: American Megatrends Inc.
dmi.bios.version: 2103
dmi.board.asset.tag: To Be Filled By O.E.M.
dmi.board.name: P5QC
dmi.board.vendor: ASUSTeK Computer INC.
dmi.board.version: Rev 2.xx
dmi.chassis.asset.tag: Asset-1234567890
dmi.chassis.type: 3
dmi.chassis.vendor: Chassis Manufacture
dmi.chassis.version: Chassis Version
dmi.modalias: dmi:bvnAmericanMegatrendsInc.:bvr2103:bd04/27/2009:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnP5QC:rvrRev2.xx:cvnChassisManufacture:ct3:cvrChassisVersion:
dmi.product.name: System Product Name
dmi.product.version: System Version
dmi.sys.vendor: System manufacturer

** Affects: linux (Ubuntu)
     Importance: Undecided
         Status: Invalid


** Tags: amd64 apport-bug kernel-bug kernel-bug-exists-upstream-v3.8-rc7 latest-bios-2103 needs-upstream-testing performing-bisect raring running-unity
-- 
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly slower than usual
https://bugs.launchpad.net/bugs/1103018
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