[Expired for xorg (Ubuntu) because there has been no activity for 60
days.]
** Changed in: xorg (Ubuntu)
Status: Incomplete => Expired
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Success!!
I simply removed /usr/lib/xorg/modules/drivers/radeon_drv.so completely,
so X was forced to use a standard frame buffer.
Sound no longer worked, but by removing alsa-base & pulseaudio &
reinstalling, I got sound back again.
So now I can play videos w/o using the GPU at all!
Wooppeee!
The video glitches only happen when the GPU switches between the GPU on
and the GPU off.
Otherwise, the display is solid, both when the GPU is enabled, and when
it is disabled.
Other symptoms:
The GPU turns on and off every 3 seconds or so when the system first
starts up.
However, after the
foobar:
>"Other symptoms:"
This report is only scoped to precisely "[HP Pavilion dv7-4272us]
Display glitches occur only during GPU state changes". If you have
additional symptoms/issues, you would need to file a new report, one
report per issue.
Despite this, could you please advise how long
foobar, to clarify, does the display glitches persist after the change
of the display, or only as it is changing?
** Changed in: xorg (Ubuntu)
Status: New => Incomplete
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** Changed in: xorg (Ubuntu)
Status: Incomplete = New
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https://bugs.launchpad.net/bugs/1467274
Title:
[HP Pavilion dv7-4272us] Display glitches occur
To manage
** Summary changed:
- [HP Pavilion dv7-4272us] Xorg radeon.dpm=1 causes glitches
+ [HP Pavilion dv7-4272us] Display glitches occur
** Description changed:
- Setting radeon.dpm=1 keeps causing glitches every time the display
- changes from the IGD to DIS and vice versa.
+ Display glitches occur
After turning off radeon.dpm=1, the temperature at idle goes up about 2
degrees C.
However, if I then do
echo low /sys/class/drm/card0/device/power_profile
echo low /sys/class/drm/card1/device/power_profile
The temperature at idle goes down about 4 degrees C -- i.e., less than
when dpm=1.
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