[xorg-bugzilla-noise] [Bug 1333] Error switching between graphical and text logins when Direct Rendering is enabled

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https://freedesktop.org/bugzilla/show_bug.cgi?id=1333        
   




------- Additional Comments From lsomike at futzin.com  2004-09-12 13:33 -------
(From update of attachment 860)
>
>Tested three different graphics configurations:
>(all are at 1024x768)
>
>16 Bit, DRI = No.
>16 Bit, DRI = Yes.
>24 Bit.
>
>*****************
>16 Bit, DRI = No.
>*****************
>
>Open up a terminal session
>
>The sequence:
><CTRL><ALT><F1>
>
>Took me to the text login screen.
>
><CTRL><ALT><F7>
>
>Brought me back to the terminal session I left.
>
>During the terminal session I ran glxgears and an odd thing happened when
>I exited the program. Notice the last line here:
>
>-------------------------------------
>[root at linmaster log]# glxgears
>771 frames in 5.0 seconds = 154.200 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>720 frames in 5.0 seconds = 144.000 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>720 frames in 5.0 seconds = 144.000 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>600 frames in 5.0 seconds = 120.000 FPS
>X connection to :0.0 broken (explicit kill or server shutdown).
>---------------------------------------
>
>The attachment in comment # 7
>contains; xorg.conf, Xorg.0.log, and dmesg
>
>
>******************
>16 Bit, DRI = Yes.
>******************
>
>This is my normal setup mode.  I have booted this computer 100's
>of times into this mode without problem until today (after the
>24 Bit test below)
>
>Open up a terminal session
>
>The sequence:
><CTRL><ALT><F1>
>
>Took me to the text login screen.
>
><CTRL><ALT><F7>
>
>Caused the computer to lock up without re-displaying the graphical
>login screen.  I had to reboot.
>
>The attachment in comment # 8
>contains; xorg.conf, Xorg.0.log, and dmesg
>
>
>******
>24 Bit
>******
>
>This was a disaster.  All the nastiness described in
>https://freedesktop.org/bugzilla/show_bug.cgi?id=1232
>occurred;i.e. the slowness and refresh problems.
>
>The attachment in comment # 9
>contains; xorg.conf, Xorg.0.log, and dmesg
>
>What's also puzzling, is that even the 16Bit, DRI=Yes mode
>above was a problem after running this configuration
>(slowness and refresh problems).  I finally had
>to do a cold boot in order to restore things to working condition.
>(Mounting the root partition on another OS (FC1) and copying the 16 Bit,
>DRI=Yes Xorg.conf file into place and then reboot into Fedora Core 3
>
>Also of note is the fact that I am certain that I've run 24 Bit
>graphics on an earlier version of Xorg-X11 software without problems.  If
>it will be of use to troubleshoot this problem I'll be happy to roll back
>to earlier versions of Xorg-X11* software.
>
        
   
   
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