Shortly after the bisection (june 2013) I had no problems after an upgrade
anymore. The original filer (Aaron) says it is currently fixed. I am sorry I
canĀ“ t tell when and were exactly it was fixed for us but it most defenitely
is. If someone else still has the robotic (ring modulated and
** Changed in: linux (Ubuntu)
Status: Invalid => Fix Released
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: linux (Ubuntu)
Status: New => Confirmed
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Title:
Bug currently fixed.
** Changed in: linux (Ubuntu)
Status: Incomplete => Fix Released
** Changed in: linux
Importance: Medium => Undecided
** Changed in: linux
Status: Confirmed => New
** Changed in: linux
Remote watch: Linux Kernel Bug Tracker #53801 => None
** Description
** No longer affects: linux (Ubuntu)
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly
slower than usual
To
** Project changed: linux => linux (Ubuntu)
** Changed in: linux (Ubuntu)
Status: New => Invalid
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Title:
line6usb - POD Studio UX2
Hio, I am surpised that this bug has not been marked as solved yet,
because it is. I have been using the UX2 without problems for two years
now. What can I do to have this bug marked as solved?
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No problem Jakub Nadolski, you can also use it with Jack and use Ardour,
but only the mic jack works on my TonePort UX1. For me that's OK because
I only mic my stuff anyway. Download QjackCTL, if you haven't already,
and Click Start then Connect and in the Audio tab system will come
up. Expand
I have a Line6 TonePort UX1 and was having the same problem in 13.04
32bit so I tried this and it worked:
uname -r (for the version of kernal which was 3.8.0.27-generic)
Then I ran
sudo apt-get install linux-headers-3.8.0.27-lowlatency 3.8.0.27-generic
It asks you to confirm with Y or N once
Thank you very much! This works perfectly :) (I use 3.8.0.26 version and
it works too). I am not sure what this lowlatency means, this is some
special version? However it doesn't have this bug and I am glad I can
use toneport ux1 as my soundcard again:)
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Aaron Winterburn, could you please confirm this issue exists with the
latest development release of Ubuntu? ISO images are available from
http://cdimage.ubuntu.com/daily-live/current/ . If the issue remains,
could you please run the following command in the development release
from a Terminal
It looks like this problem was fixed in the 3.9.5 stable kernel release
by commit 33edcea352d7c7e601a61e987b029620fed0ca4d (USB: fix latency in
uhci-hcd and ohci-hcd).
I guess the commit wasn't added to any of the 3.8.stable releases
because they were already closed. But it is present in 3.10.
git bisect good
6a41b4d3fe8cd4cc95181516fc6fba7b1747a27c is the first bad commit
commit 6a41b4d3fe8cd4cc95181516fc6fba7b1747a27c
Author: Alan Stern st...@rowland.harvard.edu
Date: Mon Oct 1 10:32:15 2012 -0400
OHCI: implement new semantics for URB_ISO_ASAP
This patch (as1614)
Thanks for the update and performing the bisect, Danny. This sounds
like a duplicate of bug 1191603 . That bug also bisected down to the
same commit.
The author of that commit has been commenting in bug 1191603 and
requesting data there.
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Can somebody who's getting the robotic sound or related problems
please attach a usbmon trace?
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Title:
line6usb - POD Studio UX2 Playback
In reply to #67: The kernel downloaded from http://kernel.ubuntu.com
/~kernel-ppa/mainline/v3.11-rc1-saucy/ does NOT have the robotics. I
just ran it for a few minutes, so no info on the issues kicking in after
a while.
In reply to #70: Thank you Alan, for joining the bug hunt :-) I'ld be
happy
Actually, I'd like to see a trace that makes the problem show up
quickly. Whether that's from the first bad commit or from the current
kernel doesn't matter much.
Instructions for usbmon are in the kernel source file
Documentation/usb/usbmon.txt.
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#reboot -to last bad commit from the bisect: (my 'robo10', i.e.
3.7.0-rc2-robo10+)
log:
git bisect start
# good: [8966961b31c251b854169e9886394c2a20f2cea7] Merge tag 'staging-3.8-rc1'
of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
git bisect good
The v3.11-rc1 kernel is now available. Can folks affected by this bug
test this latest kernel before I continue the bisect process? It can be
downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.11-rc1-saucy/
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I've been reading up on the bisecting process, so as soon as I get my
UX2 back (July 20) I will try to assist Joseph. 11 steps to go.
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Title:
Thanks for your work, folks. I am seeing this same issue with my Ubu
13.04 x64 system running through a UX2. Let me know if I can help by
providing any additional information.
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I realized I had some updates to run and that some of those were kernel.
Having run those updates (and rebooted) things have changed.
Most applications (I haven't tested Rhythmbox or Clementine) are able to
play the one FLAC file I tested at random: Audacious, Audacity, VLC,
Xine.
However,
I built the next test kernel, up to the following commit:
608ff1a210ab0e8b969399039bf8e18693605910
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1103018
It sounds like you may have already tested this kernel, Jimmie and it
exhibited this bug? If not tested, can
Thanks, Joseph.
608ff1a210ab0e8b969399039bf8e18693605910: bad,
i.e. #201307021515 from kernel.ubuntu.com/~jsalisbury/lp1103018: UX2 is robotic
from the start
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Confirming, it works for me too.
Just for the record, there has been some movement on this drivers repo:
svn co https://line6linux.svn.sourceforge.net/svnroot/line6linux/driver/trunk
line6usb
Several commits 2013-05-27 r1039 - r1036 refer merged with linux-next.
But I only got the robotic
I built the next test kernel, up to the following commit:
8966961b31c251b854169e9886394c2a20f2cea7
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1103018
It sounds like you may have already tested this kernel, Jimmie and it
exhibited this bug? If not tested, can
Thank you.
$ uname -vri
3.7.0-030700-generic #201306271313 SMP Thu Jun 27 17:15:33 UTC 2013 x86_64: no
robotics.
#59 (8966961b31c251b854169e9886394c2a20f2cea7): good.
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s/#35/#39/
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly
slower than usual
To manage notifications about this
The kernels I posted in comments #39 and #45 were one's that I built and
not upstream kernels. They were built as part of the kernel bisect
process, so the rc6, rc7, etc tags in the kernel names don't really
indicate that they are upstream rc6 or rc7 but a subset of those
specific kernels.
For a
Short answer to Joseph's question:
the kernel mentioned in #45 does not show the bug.
I 'ld be happy to test another to find the regression introduced later,
but before #35 (030700 final?) .
I can reboot either of them and can reproduce both the robotic
(#35) and ok (#45) sounds from UX2 at
Last time i tried the mainline kernel the problem was instant just like
on the kernel I tested in my main report. The sound issue was exactly
the same as before.
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I (almost randomly) tried several upstream kernels: 3.9.7, 3.7.0 and
though there were some problems after a while, none had the immediate
robotics I hear from 3.7.0 and the kernels distributed/upgraded from
ubuntu.
@Aaron: Did your upstream (e.g. from http://kernel.ubuntu.com/~kernel-
Hi Jimmie,
Thanks for the info.
Please correct me if I am wrong:
Even though Joseph's 3.7.0-030700rc6-generic #201306181116 sound through UX2 is
not stable, i.e. on your machine after a while the robotics kick in, on mine
sound stops working completely (after 1..10 hours, logout/login and it
@Joseph: I must have made a mistake when installing the headers earlier.
@Jimmie: Yes, I had Amarok (and ff) sounding ok on the UX2 under 3.5.0(-23 ..
28), and now under 3.7.0rc6.
Amarok now also runs and sounds ok after retry (even after several
hours) on 030700rc6 (#201306181116).
uname -a
@ Danny Sure,
jimi@X8DTL:~$ uname -a
Linux X8DTL 3.7.0-030700rc6-generic #201306181116 SMP Tue Jun 18 15:18:28 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
I also got the feeling also that for example VLC runs stable by itself a
long time, but the robotcs woke up after some time whn firefox also
Nope, didn't try amarok these two combinations have worked in the past
with Ubuntu 12.10 or earlier?
You need to install 3 packages not just the image:
linux-image
linux-headers
linux-headers--generic
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@Danny, can you install all three packages mentioned in comment #49 and
see if the bug still exists? It would be good to have a consistent
testing result, so I can update the bisect appropriately. If we don't
get the same test results, we will probably want to open multiple bugs,
so we can
I built the next test kernel, up to the following commit:
7bcb57cde66c19df378f3468ea342166a8a4504d
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1103018
It sounds like you may have already tested this kernel, Jimmie and it
exhibited this bug? If not tested, can
Hi Joseph,
7bcb57cde66c19df378f3468ea342166a8a4504d Ok!
$ uname -a
Linux Yolin 3.7.0-030700rc6-generic #201306181116 SMP Tue Jun 18 15:18:28 UTC
2013 x86_64 x86_64 x86_64 GNU/Linux
Sounds ok on internal AND UX2!
So, the bug must have been introduced between the 3.7.0-030700rc6 you
just did
Yes the bug is still here.
It's better than the stock ubuntu kernel has robotic sound directly,
this kernel plays a clean sound for a random amount of time until the
robotic sound suddenly comes in...
Seems to be quite quick to triigger this when llaying sounds simultanously with
two
Hi Jimmie,
Did you try to run any other player than vlc?
On 3.7.0-030700rc6 I played some mp4 files with Audacity 2.0.3. , no problem.
Youtube video's in FF, no problem.
However, Amarok crashes when I try to play the mp4's. Installation of both vlc
(to get closer to your setup) and debugging
7bcb57cde66c19df378f3468ea342166a8a4504d was not stable either, but it
initially works compared to the current 3.8* kernels. I can watch one
youtube video to test out, then when I switch to next then the sound
either disapears or becomes robotic. Untill I unplug and re-plug the USB
port of this
Yes, the latest 3.7.0-030700-generic still has the same bug,
robotic/slow sound.
( I'm using an older Toneport UX2 but to my knowledge it should be
identcal to the newer POD Studio UX2's )
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3.7.0-030700-generic #201306131511 from
http://kernel.ubuntu.com/~jsalisbury/lp1103018/ has the bug:
UX2 Robotic, Built-in clean.
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Title:
This kernel works for me: http://kernel.ubuntu.com/~jsalisbury/lp1144322/ :
7bcb57cde66c19df378f3468ea342166a8a4504d
Sorry for fast-forwarding ;)
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Maybe I was too fast. Sound was first clean and OK and then after some
usage I lost sound totally. Could be something else. But this atleast
gives some clean sound to me. I'll Need to test more... but not tonight.
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Thank you Joseph Salisbury,
for helping us getting our nice sound back :-)
lp1103018 has the bug:
$ uname -a
Linux Yolin 3.7.0-030700-generic #201306121250 SMP Wed Jun 12 16:52:03 UTC 2013
x86_64 x86_64 x86_64 GNU/Linux
In System Settings.Hardware.Multimedia.Phonon, testing 'UX2 Analog
Stereo'
Unfortunately I could not install v3.7-raring:
Unpacking linux-image-extra-3.7.0-030700-generic (from
linux-image-extra-3.7.0-030700-generic_3.7.0-030700.201212102335_amd64.deb) ...
dpkg: error processing
linux-image-extra-3.7.0-030700-generic_3.7.0-030700.201212102335_amd64.deb
(--install):
I built the first test kernel, up to the following commit:
97ebe8f55ae99059c0ad3d3be5c0417647f5e3e0
The test kernel can be downloaded from:
http://kernel.ubuntu.com/~jsalisbury/lp1103018
Can you test that kernel and report back if it has the bug or not. I
will build the next test kernel based on
I started a kernel bisect between v3.7 final and v3.8-rc1. The kernel
bisect will require testing of about 7-10 test kernels.
I built the first test kernel, up to the following commit:
6be35c700f742e911ecedd07fcc43d4439922334
The test kernel can be downloaded from:
** Changed in: linux
Status: Unknown = Confirmed
** Changed in: linux
Importance: Unknown = Medium
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Title:
line6usb - POD Studio UX2
Can't we put out a reward for whoever fixes this? I really liked my UX2
on linux.
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Title:
line6usb - POD Studio UX2 Playback problem. Very
Thanks for all the testing and updates. I'd like to continue the bisect
to identify the commit that introduced this regression. We know that
the bug existed in v3.8-rc1, so we will need to test earlier kernels.
Can folks affected by this bug test the following two kernels:
v3.6 final:
3.7 works fine with me on UX1
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly
slower than usual
To manage
Can folks affected by this bug test the following kernel and see if it
exhibits the issue:
http://kernel.ubuntu.com/~jsalisbury/lp1136110/commit-reverted/
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=53801
Importance: Unknown
Status: Unknown
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I have tested the last kernel that has been posted, but the issue still
occurs for me. I am glad I am getting responses from people since it
helps in collecting information to help get the issue resolved.
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I'm not really experienced linux user so my lingo may not be the best.
I'm having the same problem on Line 6 UX1.
I have tested the latest 3.10 kernel or at least i think i did, the
'uname -r' in terminal returns '3.10.0-031000rc2-generic' and
unfortunately the sound is still robotic and slowed
I can confirm this also using a Line6 Toneport UX2 on Ubuntu 13.04
3.8.0-21-generic x86_64. It basically sounds like a ring modulator is
applied.
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The v3.10-rc2 kernel is now available. Can folks affected by this bug test the
latest kernel, which can be downloaded from:
http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.10-rc2-saucy/
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** Tags added: 3.8 kernel-bug line6 pod
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly
slower than usual
To
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and
Other users are affected. I am. The sound on my Line 6 UX2 is the same as on
the video http://youtu.be/mzmESXZ_R3g eversince since my (full) upgrade to
kubuntu 13.4 (3.8.0-19-generic #30-Ubuntu SMP Wed May 1 16:35:23 UTC 2013
x86_64 x86_64
x86_64 GNU/Linux). No problem before, and no problem on
ApportVersion: 2.9.2-0ubuntu8
Architecture: amd64
AudioDevicesInUse:
USERPID ACCESS COMMAND
/dev/snd/controlC1: danny 1955 F pulseaudio
/dev/snd/pcmC1D0p: danny 1955 F...m pulseaudio
/dev/snd/controlC0: danny 1955 F pulseaudio
CRDA: Error: command ['iw',
I tried to provide additional info by (after installing launchpadlib) running
$ apport-collect 1103018
but I am getting:
ERROR: hook /usr/share/apport/general-hooks/cloud_archive.py crashed:
Traceback (most recent call last):
File /usr/lib/python2.7/dist-packages/apport/report.py, line
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
I also forgot to mention that on my Bugzilla kernel page there is a user
that has the same issue with a Line6 UX1, so there are now at least 3
Line6 devices affected by some kernel change. I have tried the final
release of Ubuntu 13.04 and Kubuntu 13.04 and the issue still persists.
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I'd like to perform a bisect to figure out what commit caused this
regression. It would be very helpful to know the earliest kernel where
the issue started happening as well as the latest kernel that did not
have this issue.
Can you test the following kernels and report back? We are looking for
Also, this issue appears to be an upstream bug, since you tested the
latest upstream kernel. Would it be possible for you to open an
upstream bug report[0] while we perform the bisect in parallel? That
will allow the upstream Developers to examine the issue, and may provide
a quicker resolution
in the 3.8 rc1 kernel the issue still occurs. i have tested the latest
mainline kernel and have had the same problem occur. i have created an
upstream bug report using the mainline kernel -
https://bugzilla.kernel.org/show_bug.cgi?id=53801
i hope this helps in fixing the problem. thank you
**
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.8 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
If this bug is fixed in the
** Tags added: kernel-bug-exists-upstream
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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Title:
line6usb - POD Studio UX2
** Description changed:
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
** Package changed: alsa-driver (Ubuntu) = linux (Ubuntu)
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Title:
line6usb - POD Studio UX2 Playback problem. Very robotic and slightly
slower
when i install apport then run apport-collect i get this error 'ERROR:
The launchpadlib Python module is not installed. This functionality is
not available.'. so i am unable to produce any more log files. i believe
my main sound issue is related to the line6usb sound component in the
lastest
** Description changed:
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 correcly I was able to get the sound back to
+ than usual. If I remember correctly I was able to
** Description changed:
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 correcly I was able to get the sound back to
normal on a slightly earlier release of the 3.8.0
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