Shahar Or, this bug report is being closed due to your last comment
regarding this being fixed with a BIOS update. For future reference you
can manage the status of your own bugs by clicking on the current status
in the yellow line and then choosing a new status in the revealed drop
down box. You
** Changed in: linux
Status: Confirmed = Invalid
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Title:
Frequency scaling causes whole-system micro-freezes / Lags / stutters
with AMD
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 at bugzilla.kernel.org [1]? That will allow the upstream
Developers to examine the issue, and may provide a quicker resolution to
the bug.
If you
Thanks to Gigabyte for a timely response!
** Description changed:
+ # SOLUTION ###
+
+ This can be solved by flashing the latest BIOS from the vendor, version F4c.
+ This can be obtained here:
+ http://www.gigabyte.com/products/product-page.aspx?pid=3817dl=1#bios
+ By the way, once
Closing the X task; this certainly appears to be a kernel issue rather
than just X.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New = Invalid
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** Description changed:
# WORKAROUND #
To work around this issue, I change the governor of all the cpu's to
'performance'. You can put the following lines in a script and run it as root
after boot. This will make all cores run at maximum rate, causing more power
consumption. Note
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: Incomplete = New
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Title:
Frequency scaling causes whole-system micro-freezes / Lags
** Package changed: xorg (Ubuntu) = xserver-xorg-video-ati (Ubuntu)
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Title:
Frequency scaling causes whole-system micro-freezes / Lags / stutters
** Tags added: freeze
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Title:
Frequency scaling causes whole-system micro-freezes / Lags / stutters
with AMD Zambezi (Bulldozer) CPU
To manage
Dear Ones,
What does the freeze tag mean, please?
I couldn't find it in:
https://wiki.ubuntu.com/Bugs/Tags
Thanks and Blessings,
Shahar
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Title:
Dear Bryce, Joseph,
It looks quite similar with all of the types of sessions. I've tried
both Gnome Classic (No Effects), as you requested and Gnome Classic.
I'm not sure what we're meant to test here, though.
I'll try with the latest upstream kernel as you requested, Joseph.
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** Tags removed: needs-upstream-testing
** Tags added: kernel-bug-exists-upstrem
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Title:
Frequency scaling causes whole-system micro-freezes /
** Description changed:
# WORKAROUND #
To work around this issue, I change the governor of all the cpu's to
'performance'. You can make this change at boot by adding the following lines
to /etc/rc.local . This will make all cores run at maximum rate, causing more
power consumption.
** Description changed:
# WORKAROUND #
- To work around this issue, I change the governor of all the cpu's to
'performance'. You can make this change at boot by adding the following lines
to /etc/rc.local . This will make all cores run at maximum rate, causing more
power consumption.
** Summary changed:
- Display lags / framedrops / stutters GPU: RS880 CPU: FX-4100
+ Frequency scaling causes whole-system micro-freezes / Lags / stutters with
AMD Zambezi (Bulldozer) CPU
** Tags added: precise
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** Attachment added: glxinfo
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/927918/+attachment/2766968/+files/glxinfo
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Title:
Frequency
** Attachment added: sysprof
https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/927918/+attachment/2766969/+files/sysprof
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Title:
Frequency
** Description changed:
Dear Ones,
- This situation is permanent. It happens in both Ubuntu and Ubuntu 2D.
+ When frequency scaling is activated (more details below) the system has
+ short freezes, short lags, short time-outs. They vary in length and
+ can be as long as about 1 second.
Since this is cpureq related.
** Description changed:
Dear Ones,
When frequency scaling is activated (more details below) the system has
short freezes, short lags, short time-outs. They vary in length and
can be as long as about 1 second. Here's a video(1).
+
+ I've received help
** Description changed:
+ # WORKAROUND #
+ To work around this issue, I change the governor of all the cpu's to
'performance'. You can make this change at boot by adding the following lines
to /etc/rc.local . Note that I have four cpu's. You might have 6 or 8 if this
occurs with other
** Bug watch added: Linux Kernel Bug Tracker #42807
http://bugzilla.kernel.org/show_bug.cgi?id=42807
** Also affects: linux via
http://bugzilla.kernel.org/show_bug.cgi?id=42807
Importance: Unknown
Status: Unknown
** Description changed:
# WORKAROUND #
- To work around
Would it be possible for you to test the latest upstream kernel? It
will allow additional upstream developers to examine the issue. Refer to
https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest
v3.3 kernel[1] (Not a kernel in the daily directory). Once you've
tested the upstream
** Changed in: linux
Status: Unknown = Confirmed
** Changed in: linux
Importance: Unknown = Medium
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Title:
Frequency scaling causes
I agree with Alex the symptoms in your video feels like software
rendering. However your glxinfo and unity test info show that you
definitely have hardware rendering. And that would only really affect
Unity, not Unity 2D.
Would you mind also testing Gnome Classic (No Effects)? Install gnome-
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