Please ignore
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1073148/comments/28
as this bot sometimes asks for apport-collects when one either already
did it, or was done originally when first filed.
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=51691
Importanc
** Tags added: latest-bios-1.40
** Tags added: trusty
** Tags added: needs-upstream-testing regression-potential
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Title:
[960GM/U3S3 FX] Higher
The BIOS is now up to date:
sworddragon@ubuntu:~$ sudo dmidecode -s bios-version && sudo dmidecode -s
bios-release-date
P1.40
10/02/2013
But the bug still exists on Ubuntu 14.04 dev with linux-image-generic
3.12.0.3.5. I have also updated the testcase: It is now written in C to exclude
Python
** Attachment added: "Testcase"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1073148/+attachment/3913241/+files/threads.c
** Attachment removed: "threads.py"
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1073148/+attachment/3418558/+files/threads.py
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Sworddragon, as per
http://www.asrock.com/mb/AMD/960GMU3S3%20FX/?cat=Download&os=BIOS an
update is available for your BIOS (1.40). If you update to this
following https://help.ubuntu.com/community/BiosUpdate , does it change
anything?
If not, could you please both specify what happened, and provid
** Description changed:
I'm using Ubuntu 13.04 dev and have noticed a high cpu overhead if a
- process is using multiple threads and computing them on different
- threads. To measure this I have written a little script in Python which
- I will attach.
+ process is using multiple threads and comp
I have now opened the upstream ticket:
https://bugzilla.kernel.org/show_bug.cgi?id=51691
** Bug watch added: Linux Kernel Bug Tracker #51691
http://bugzilla.kernel.org/show_bug.cgi?id=51691
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@Sworddragon,
I think that comment was only explaining the difference between the
upstream kernel, like I mention in comment #3 and the official Ubuntu
kernel. There does not appear to be any patches to fix this bug in the
Ubuntu repositories.
It's probably best to open an upstream bug, as reque
Comment #27 from
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1071434
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https://bugs.launchpad.net/bugs/1073148
Title:
High cpu overhead on using multiple cores
To manage notifi
@Sworddragon,
Yes, the script made a mistake in comment #19.
Do you happen to have a link to the other ticket that talks about
possible patches in the Ubuntu repositories from comment #18
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** Changed in: linux (Ubuntu)
Status: Won't Fix => Triaged
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Title:
High cpu overhead on using multiple cores
To manage notifications abou
Is your bot not working correct? The 3.7 kernel is currently the newest
kernel.
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Title:
High cpu overhead on using multiple cores
To manage noti
This bug was filed against a series that is no longer supported and so
is being marked as Won't Fix. If this issue still exists in a supported
series, please file a new bug.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
> This issue appears to be an upstream bug, since you tested the latest
upstream kernel.
I got the information in another ticket that the kernel from the Ubuntu
repository could contain patches which are not in the upstream kernel.
** Tags added: kernel-unable-to-test-upstream
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You received t
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]? That will allow the upstream Developers to examine the
issue, and may provide a quicker resolution to the bug.
Please follow the instructions on
I have tested this now with linux-image-3.7.0-0-generic and the bug
exists there too.
** Tags removed: kernel-unable-to-test-upstream
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Title:
Hi
apport information
** Tags added: apport-collected
** Description changed:
I'm using Ubuntu 13.04 dev and have noticed a high cpu overhead if a
process is using multiple threads and computing them on different
threads. To measure this I have written a little script in Python which
I will
Would it be possible for you to test the latest upstream kernel? Refer
to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.7 kernel[0] (Not a kernel in the daily directory) and install both
the linux-image and linux-image-extra .deb packages.
Once you've tested the upstrea
** Changed in: linux (Ubuntu)
Importance: Undecided => Medium
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Title:
High cpu overhead on using multiple cores
To manage notifications about
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