Hi madbiologist, thank you very much for your persistance.(somehow
launchpad no longer shows this bug in my list...)
I did try some of your suggestions above, but nothing really seemed to help.
I am happy to report that UbubtuStudio 14.04 BETA 1 (Alpha) AMD64 is
greatly improved compared to
The currently under-development 3.13 upstream kernel enables DPM by
default (without needing the radeon.dpm=1 boot parameter I mentioned
above) for Radeon HD 4000 through Radeon HD 7000 series graphics
processors but with some specific ASICs being excluded.
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Kernel 3.11.0-1.4 (based on the upstream 3.11-rc4 kernel) is now
available in Ubuntu 13.10 Saucy Salamander. Also, kernel 3.11.0-2.5 is
in Saucy-proposed, which is based on the upstream 3.11-rc5 kernel, which
has some bugfixes for the new DPM method.
** Changed in: xserver-xorg-video-ati (Ubuntu)
I neglected to mention that to use the new power management feature on R700 and
newer hardware (other than APUs) requires installation of the latest AMD
graphics microcode (ucode) files to /lib/firmware/radeon
These are available at http://people.freedesktop.org/~agd5f/radeon_ucode/
Get the
See the blog post at http://www.botchco.com/agd5f/?p=57 for further
information.
Unlike the older dynpm method, the new DPM method works with multiple
monitors and there shouldn't be any flickering as the performance level
changes are handled by dedicated hardware rather than the driver.
--
You
The better power management for AMD/ATI Radeon R600 and newer hardware
(as described in comment #6) is finally available in the upstream 3.11
linux kernel. The first release candidate (3.11-rc1) of the 3.11 kernel
is available at http://kernel.ubuntu.com/~kernel-ppa/mainline/ and
instructions on
The better power management described in comment #6 is still coming, but in the
meantime you might like to try some of the basic ATI/AMD Radeon power
management setting described at
http://wiki.x.org/wiki/RadeonFeature#KMS_Power_Management_Options
See also
Status changed to 'Confirmed' because the bug affects multiple users.
** Changed in: xserver-xorg-video-ati (Ubuntu)
Status: New = Confirmed
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apparently I am still not doing a very good job of explaining the
situation... let me try again.
on 10.10 the best case idle temp is 51C
on 12.04 the best case idle temp is about 57C
on 13.04 the best case idle temp is 75C (that is at idle! and more typically
it is low 80's)
under full load:
I was looking at your HW specs. Seems like a fairly new computer, but
something that did a huge difference for me, was blowing out dust from
the fan outtake. I wasn't able to see the dust visually. You only notice
it when you blow it. If you want to try this, please make sure you open
the back
** Package changed: linux-lowlatency (Ubuntu) = xserver-xorg-video-ati
(Ubuntu)
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https://bugs.launchpad.net/bugs/1166916
Title:
temperature overheating
very curious... per irc with Kaj...
on 12.04 64 bit UbuntuStudio
installed 3.8.0-18-generic kernel which was backported for testing purposes.
see: https://launchpad.net/~ubuntu-x-swat/+archive/r-lts-backport
over-all result is that this kernel is running about 6 degress hotter
than 12.04 with
P.S. it was not a totally apples to apples comparision because in the
process of installing the kernel I ended up switching the video driver
from the amd to the xorg. but the results should be pretty close given
that in previous tests on 12.10 I so no significant difference in
temperature
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