The problem still persists for me also, As of September 6 using Ubuntu
10.04 Ati 3650HD with all recommended updates. Screen flickering at boot
up, randomly during regular use, watching flash format videos. Only
seems to occur for me when using my ATI cards. I do not seem to have
this problem
** Tags added: lucid
** Tags added: flicker
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screen flicker ubuntu 10.04 ati x1400
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Assigning to xserver-xorg-video-ati
dotJan
Can you confirm this is a issue in maverick by testing it for me please.
Also Please run the command 'apport-collect 576555' which will attach
necessary information for debugging this as an Xorg problem. Thanks in advance.
** Package changed: ubuntu =
I have the same problem with an integrated ATI Radeon 1250. Kubuntu 10.04 64bits
The screen flashes always occur when you modify screen settings from
systemsettings, or launching KrandRTray. Launching any application installed on
Wine too. The display flashes for a few seconds..
Sometimes also
Some updates have been installed. The issue is rare, maybe more so but
still occurs.
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screen flicker ubuntu 10.04 ati x1400
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Is it known that the issue doesn't exist when using later kernel, such
as 2.6.33?
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screen flicker ubuntu 10.04 ati x1400
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Forum comments that might help:
http://ubuntuforums.org/showthread.php?p=9407650#post9407650
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I confirm having similar issue on my Fujitsu Siemens Lifebook E8210 with ATI
mobility radeon x1400.
Screen flickers randomly most of the time. Also I observe white noise build-up
on the screen occasionally. During this the system freezes.
Upgrading the kernel, xorg and installing Gallium 3D
Correction:
Gallium 3D did not solve the white noise issue. I'm back to where I
satrted.
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Is this comment related to a coming solution?
https://bugs.launchpad.net/ubuntu/+source/xserver-xorg-video-
intel/+bug/538648/comments/88
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screen flicker ubuntu 10.04 ati x1400
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More info, Video card is:
Intel Graphics Media Accelerator X4500HD
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More: I just ran the on board system test and submitted the result to
Launchpad. The screen flicker occured once during the test, but
evidently had no noticable affect.
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Important: the test left a process running from root using 100% CPU
called 'backend'
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This issue appears apparently randomly on a Dell Inspiron 1545. With
Ubuntu 10.04 as well. About 3 times in as many hours seems typical. I
have seen it on battery only and AC power. Hope this helps!
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The flashing seems to affect many things I do, right when I login, has affected
me also when I log into games like wow through wine, also when starting a video
on Hulu and at other various times opening other programs.
AMD 3800
ATI Radeon HD 3650 PCI express 2.0 512MB
3 gigs ddr2 ram
Ubuntu
When i boot with option nomodeset after bootoption quiet, problem is
solved...
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I fixed it by following the instructions on this thread:
http://www.wilderssecurity.com/showthread.php?p=1672814
Edit /etc/default/grub as root and add i915.powersave=0 as a boot
option to the default kernel options. (Should be the line containing the
word quiet, add it inside the quotes.)
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I have the same problem in a Dell Inspiron 6400 with ATI Radeon X1400
The flashing frequency gets worse and worse
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I have to add that this didn't happend on Ubuntu 9.10
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Same symptom (flickering) at login, which also takes longer than usual.
I am running Ubuntu 10.04 AMD64 on a no-brand desktop system with an on
board Radeon X1200
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Same symptoms with ATI X1450
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I have flickering at login as well. AMD64 Radeonx1200. If I add
radeon.modeset=0 to the kernel command line this problem is fixed
temporarily. Once grub2 updates radeon.modeset=0 is removed and the
flickering returns on login. The only side-effect I see from the
addition to the kernel command line
This is a fresh install of 10.04
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** Description changed:
- When I've used my laptop for a while, suddenly the screen starts flashing. It
only takes a few seconds. I have a Fujitsu Siemens laptop with Mobility Radeon
X1400. Older versions of ubuntu worked well.
+ When I've used my laptop for a while, suddenly the screen starts
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