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Today i upgraded from ATI Catalyst 11.4 beta to 11.5. When i move my mouse to the bottom right corner of the screen the system becomes unresponsive for ~1 second. Everywhere else is fine.

I have no idea what might cause this issue. Thanks for help!

Update:

Catalyst 11.6 did not fix that bug. The system still freezes for ~1 second when the mouse cursor is moved to the bottom right corner of the screen.

Update 2:

Finally Catalyst 11.7 is released. Did it fix the bug? No, it's still present. One "workaround" (i won't call it fix, because it has side effects) is to enable the SWCursor in the xorg.conf which causes some flickering of the cursor but the system wont freeze anymore.

Summary:

Bug Report in AMD Bugzilla

  • Catalyst 11.4: works
  • Catalyst 11.5: freeze when moving mouse to bottom right corner of screen
  • Catalyst 11.6: freeze when moving mouse to bottom right corner of screen
  • Catalyst 11.7: freeze when moving mouse to bottom right corner of screen
  • Catalyst 11.8: works again :)

Workaround:

add

Option "SWCursor" "true"

to xorg.conf

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I encountered the same problem upon installing Catalyst 11.5. I'm running a Radeon HD 5770 on an ASUS M4A89TD PRO/USB3. I ended up fixing the mouse problem by reinstalling Catalyst 11.4. – user18751 May 27 '11 at 22:40
I also reinstalled 11.4. Apperantly this bug is not Ubuntu specific and even occurs on Windows. ATI granted Windows-Users a Hotfix, looks like we have to wait for 11.6 and hope its fixed in our Version too. – s4ms3milia Jun 10 '11 at 10:18
Slowly but surely this is making me angry. Finally Catalyst 11.6 was released and still the bug remains although they say it's fixed in the changelog (at least for Windows 7). – s4ms3milia Jun 17 '11 at 10:54
11.7 is out - has anyone tried yet if it fixes this issue? – s4ms3milia Jul 29 '11 at 11:52
See something is up with either the driver or the card. I know when I made my hackintosh, I had to edit a file to make it say HWCursor = False so, its something weird – russjr08 Jul 31 '11 at 15:58
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6 Answers

up vote 1 down vote accepted

The newly released ATI Catalyst 11.8 finally fixes the bug!

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I have just downloaded from the above link, uninstalled my current packages with dpkg, and installed that latest 11.7. I am still having the problem. The file name is "ati-driver-installer-11-7-x86.x86_64.run", and the version when opening AMDCCCLE is 8.861. The file release date is 7/27. However, the catalyst version stated when I open AMDCCCLE is 11.6.

The current download doesn't appear to work, although it appeared to install smoothly which is a major improvement. Can anyone verify what I'm seeing, and hopefully explain the inconsistencies? It looks like I still have 11.6 installed...

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Scratch last - had to manually remove a bunch of fglrx and ati directories (manually removing the dregs after uninstalling 11.6), then restarted in recovery mode and installed 11.7. I now have 11.7 installed, and it does not fix the mouse issue.

The only solution I've been able to find is putting "SWCursor" "True" in the device section of xorg.conf. Unfortunately using this method the mouse is only visible while moving, and everything it passes over gets pixelated and doesn't look right while the mouse is over it.

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Yep, exactly my experiences. Also had to remove directories to get CCC to display the correct version and i'm still using 11.4 for the moment since SWCursor is even worse than the actual corner-bug. – s4ms3milia Jul 31 '11 at 14:08
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up vote 0 down vote

Same issue here with Ubuntu 10.04 64bits / Radeon 6450 / Catalyst 11.7

I downgrade to 11.4 and the bug disapears.

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up vote 0 down vote

Did anyone else try this suggestion from the Unofficial ATI wiki yet?

http://wiki.cchtml.com/index.php/Troubleshooting#Sticky_mouse_cursor

I haven't found any evidence of any one else having solved the problem this way, and I can't try it myself as I think that for now I will stick to the open source drivers from the xorg-edgers PPA. At least until the problem is fixed in fglrx.

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Not working. Besides Xorg.log says: "dri" will be loaded. This was enabled by default and also specified in the config file. I have no idea why that's in the wiki. – s4ms3milia Aug 7 '11 at 18:15
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up vote -1 down vote

I can confirm that ATI Catalyst 11.7b FIXES the MOUSE FREEZE bug !!!!!

Forget the crappy SW Cursor workaround!!!!!!

It also FIXES the "EXTERNAL HDMI MONITOR" bug !!!!!!!!!!!

Tested on Ubuntu 11.4 64 Bit with 5x and 6x cards.

Install it and be happy!!!!!!!!!!!!!!!!

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Is 11.7b the default driver from the ATI download page or did you get it from another source? – s4ms3milia Jul 30 '11 at 11:22
wow - someone showed me the freeze bug with 11.7. Please check the file length of your "fglrx_8.872-0ubuntu1_amd64.deb" file. Is it 35941172 Bytes (no bug) or 35938302 Bytes (mouse freeze)????? – Rudi Rüssel Jul 30 '11 at 13:04
where did you download the driver? I always check the amd page: support.amd.com/us/gpudownload/Pages/index.aspx – s4ms3milia Jul 30 '11 at 14:00
definately not working for me.. – s4ms3milia Jul 30 '11 at 16:46
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