I am seeing this exact same issue after upgrading from 12.04 to 12.10.
Compiz and Xorg constantly uses about 5-20% even with little to no user
activity and no open windows. I have Nvidia on a Dell with a i7-2720QM
with 8GB RAM and the interface is very sluggish. Much slower than 12.04
which was
apport information
** Tags added: apport-collected running-unity
** Description changed:
I asked this question already on Askubuntu, but was directed to file a
bug: I have a nice Lenovo Thinkpad Edge 11 AMD Neo II with a ATI Radeon
4225 integrated graphics device. In my perception this is
As requested I attached my output of the unity_support_test (all fine!).
Since quantal release, CPU load while fully idling has greatly improved
to values below 0.05. Fan noise may partially be caused by the forced
switch from fglrx to radeon with less effective power management.
X compiz
Actually it's not obviously due to the transparency or blur at all.
That's a common misconception and conclusion a lot of people jump to,
even Canonical employees.
However a more detailed analysis of Unity performance shows that the
main slow-down is an architectural problem. Unity and Nux are
Good to hear lower specs are being considered at the moment, Daniel.
Do you know if some fixes will be added to pre-13.04 Ubuntu versions, or those
modifications will only be for Raring as they are to heavy, i.e. affecting the
backbone of Ubuntu?
** Changed in: unity
Status: Incomplete =
The fixes don't even exist yet so I can't comment too much. However
generally only small or stable and well tested fixes will get
backported.
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Agree with this concern.
More attention should be given to portable devices that can't handle such loads.
One of the best things about Ubuntu a few years ago was its capacity to
resuscitate low-specs computers. It feels it's the complete opposite now.
Bug #1069319 is related to this.
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You
Thank you for taking the time to report this bug and helping to make
Ubuntu better. This particular bug has already been reported and is a
duplicate of bug 1055936, so it is being marked as such. Please look at
the other bug report to see if there is any missing information that you
can provide,
Hmm, actually this may not be a duplicate if you have working hardware
support.
Please run this command and paste the output here:
/usr/lib/nux/unity_support_test -p
** This bug is no longer a duplicate of bug 1055936
Unity is unusuably slow with fallback software rendering (LLVMpipe)
Please also run this command to give us more information:
apport-collect 1067349
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Title:
After drop of Unity2D in 12.10: How to tackle high
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