Description of problem: Enabling desktop-effects on a MGA 400/450 dual-head configuration causes the system to hang and the hard drive to begin intensly thrashing. The system must be restarted by a cold reboot. If you are running mdraid, the arrays will be out of sync and the system will begin a background rebuild. Version-Release number of selected component (if applicable): Tested on 32-bit version of Fedora Core 6 initial release and Unity Respin (from build 4-1-2007). How reproducible: 100% Steps to Reproduce: 1. Configure MGA graphics card for dual-head, individual desktop mode through the Preferences->Screen Resolution dialog box. 2. Reboot as suggested to make dual-head active. 3. Choosed Preferences->Desktop Effects 4. Click on Enable Desktop Effects Actual results: Total nightmare Expected results: Dual, 3D desktops Additional info: Issue also reported on RHEL BZ 216925.
Tested issue on F7 and the problem happens there as well.
This happens on a MGA G550 as well. Changing to critical. It not only caused my md0 to rebuild, but it caused me to have to manually fsck /dev/md0.
Thanks for the bug report. We have reviewed the information you have provided above, and there is some additional information we require that will be helpful in our diagnosis of this issue. Please attach your X server config file (/etc/X11/xorg.conf) and X server log file (/var/log/Xorg.*.log) to the bug report as individual uncompressed file attachments using the bugzilla file attachment link below. Could you please also try to run without any /etc/X11/xorg.conf whatsoever and let X11 autodetect your display and video card? Attach to this bug /var/log/Xorg.0.log from this attempt as well, please. We will review this issue again once you've had a chance to attach this information. Thanks in advance.
Created attachment 219991 [details] Current xorg configuration
Created attachment 220011 [details] Current xorg log
Created attachment 220041 [details] The autogenerate xorg.conf Used the default GUI that was presented to me to configure dual-monitors.
Created attachment 220051 [details] xorg log file after starting session with autogenerated config
I pressed the button to enable Desktop Effects and my drive began thrashing uncontrollably. I tried a Alt+SysRq REISUB, but even that did not work. I had to power cycle and now I am enjoying the beautiful process of watching my md-raid array rebuild.
Do you need anything else?
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Please change the version to 8 as I have tested this bug many times with Fedora 8 an it still fails.
Fedora 7 changed to end-of-life (EOL) status on June 13, 2008. Fedora 7 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.
Please move to F9 and reopen.
Correction to comment 13: Please move to F8 and reopen.
Reopening bug as per comment #14. Changing version from "7" to "8".
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Fedora 8 changed to end-of-life (EOL) status on 2009-01-07. Fedora 8 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.
Kristian, Can you move this to F10 since it is still a problem.
Switching incorrect assignees to the default one.
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Fedora 10 changed to end-of-life (EOL) status on 2009-12-17. Fedora 10 is no longer maintained, which means that it will not receive any further security or bug fix updates. As a result we are closing this bug. If you can reproduce this bug against a currently maintained version of Fedora please feel free to reopen this bug against that version. Thank you for reporting this bug and we are sorry it could not be fixed.