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On 2011-08-08T23:56:54+00:00 Cand-3 wrote:

Created attachment 50058
lspci -vvnn

My E-350 laptop screen flickers for ~5 minutes every time after waking
from DPMS. The flicker persists through VT switches and changing the
power profile to high.

After the wait it stabilizes and picture is good again.

It looks similar to a CRT on 60Hz, but xrandr is confident the mode is
right for the lcd (60hz, not something lower).


Lenovo G575 laptop
AMD E-350
Linux 3.0.1

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/0

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On 2011-08-09T00:07:30+00:00 Cand-3 wrote:

Created attachment 50060
dmesg

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/1

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On 2011-08-09T00:08:56+00:00 Cand-3 wrote:

Now that I tried to make it happen manually (sleep 1 && xset dpms force
off), it didn't show itself; though for the last few days, it's always
happened after X's 10-minute delay DPMS.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/2

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On 2011-10-04T01:05:19+00:00 Simon Strandman wrote:

I have this problem too on similar E350-based hardware.

Sometimes I get this flicker, sometimes the screen is garbled (bug
#36513). When I get a garbled screen the flicker usually persists even
after a reboot. (Though this never happens in windows so I don't think
it's a hardware issue.)

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/6

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On 2011-10-15T20:03:41+00:00 Marc Deslauriers wrote:

I am getting this on a C-50 based Acer Aspire One 522.
I can reliably reproduce the issue with:

xset dpms force off; sleep 10; xset dpms force on

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/7

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On 2019-11-19T08:20:21+00:00 Martin-peres-n wrote:

-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has
been closed from further activity.

You can subscribe and participate further through the new bug through
this link to our GitLab instance:
https://gitlab.freedesktop.org/drm/amd/issues/208.

Reply at: https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
ati/+bug/858450/comments/12


** Changed in: xserver-xorg-driver-ati
       Status: Confirmed => Unknown

** Bug watch added: gitlab.freedesktop.org/drm/amd/issues #208
   https://gitlab.freedesktop.org/drm/amd/issues/208

-- 
You received this bug notification because you are a member of Ubuntu-X,
which is subscribed to xserver-xorg-video-ati in Ubuntu.
https://bugs.launchpad.net/bugs/858450

Title:
  lcd flickers after dpms cycle

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