Yes marfal, it worked for me. I'm happy... Thank you very much.
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[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
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** Tags added: crash
** Tags added: dual-head
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[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
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running AMD + ATI radeon graphics card - ok on single monitor
(1280x1024), but when extended to two monitors (2560x1024) screen became
fuzzy (horizontal flicker/wobble).
Found this post:
http://www.niccolofavari.com/ubuntu-10.04-lucid-issues-with-external-
monitor-and-ati-radeon-card
Solution
WARNING: I am not an expert.
No real experts seem to respond to this bug report, but people seem to work on
almost the same problem in Bug #537640 . So I think the best thing is to wait.
But if you need the dual display badly...I looks like it is a kernel problem,
so I tried something like
Same for me, IBM T60p Thinkpad
ATI Mobility FireGL 5250 (M56GL)
Acer AL1916 external monitor.
Boots to dual-screen and the external monitor is fuzzy. Then when I open
the Monitor Preferences panel all displays freeze. Only fix is to
hard-reset and then enable 'fglrx' instead of open source video.
Also having this issue on an upgraded (Karmic Lucid) 64-bit install.
This worked fine in Karmic:
IBM T60 Thinkpad
ATI Radeon Mobility X1400
Dell 17 Monitor.
External monitor shows the vibration / shivering effect mentioned above.
It's pronounced at 60hz and reduced (but still present) at 75hz.
Also seeing this issue with a fresh Lucid install on
IBM T60 ThinkPad
ATI Radeon Mobility X1400
IBM/Lenovo 20 Monitor
For the external monitor in Lucid, setting refresh rates of either 70Hz
or 72Hz results in an Input signal out of range message on the
external monitor. In Karmic, either of
Neglected to mention that this is 32-bit i686 kernel 2.6.32-22-generic
--
[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
You received this bug notification because you are a member of Ubuntu
Bugs, which is subscribed to Ubuntu.
Thanks for the comment.
I have tried radeon.modeset=0
and
adding options radeon modeset=0 to /etc/modprobe.d/radeon-kms.conf
(from Bug #537640 .)
and this unfortunately doesn't solve anything.
--
[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
** Tags added: kernel-graphics xserver-xorg-video-ati
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[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
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Bugs, which is subscribed to Ubuntu.
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ubuntu-bugs
Please try to use the kernel parameter nomodeset or radeon.modeset=0
and see if that help.
From bug:
https://bugs.launchpad.net/ubuntu/lucid/+source/linux/+bug/545096
--
[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
You received
As per thread: http://ubuntuforums.org/showthread.php?t=1468217 I can confirm
this problem.
My hardware:
Compaq nc8430
ATI mobility Radeon X1400
64bit Lucid Kubuntu.
--
[Lucid AMD64] Dual monitor distortion / crash - ATI mobility Radeon X1400
https://bugs.launchpad.net/bugs/573290
You received
** Attachment added: BootDmesg.txt
http://launchpadlibrarian.net/47058031/BootDmesg.txt
** Attachment added: CurrentDmesg.txt
http://launchpadlibrarian.net/47058032/CurrentDmesg.txt
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/47058033/Dependencies.txt
**
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