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From Bugzilla Helper: User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.3a) Gecko/20021207 Phoenix/0.5 Description of problem: When running X on an ATI FireGL card, with two copies of X running on different VTs, switching between the VTs with, e.g., <ctrl><alt><F7> causes a greenish bar of noise across the topmost (roughly)32 rows of the display. The display, keyboard, and mouse are then locked up, and not even logging in from the network and killing X and gdm will restore normal operation. A reboot fixes the problem. Version-Release number of selected component (if applicable): fglrx-glc22-4.2.0-2.4.0.i586 How reproducible: Always Steps to Reproduce: 1. Log in as root via gdm 2. Start a second X server with "startx `which xterm` -- :1 3. Try to get back to the original display with <ctrl><alt><F7> (Note that _any_ way of starting two X servers produces the same bug, including configuring gdm to start them on different VTs. Actual Results: A bar of noise appears across the top of the screen. The display, keyboard, and mouse are locked up. Expected Results: Should be able to switch between the two copies of X using <ctrl><alt><f7> and <ctrl><alt><f8> Additional info: Problem does not occur switching between a single copy of X and a text virtual terminal (e.g. using <ctrl><alt><f1>). This machine is a Dell Precision 350n workstation with RH8.0 pre-installed, and an ATI Fire GL E1 video card with 64MB of RAM. I have tried this with both the driver shipped by Dell, fglrx-glc22-4.2.0-2.4.0.i586, and also the latest driver from ATI, fglrx-glc22-4.2.0-2.5.1.i586. The problem also exists on both RedHat 8.0 and on RedHat 7.3. This bug seems to be superficially similar to Bug 68615
Created attachment 90563 [details] XF86Config file This is one of the various XF86Config files I've tried. It's basically the same as the one the initial setup configured, edited to add additional video modes and a second mouse.
Created attachment 90564 [details] XFree86.0.log -- logfile for first server (VT7) This is a typical XFree86.0.log for the first X server to be started.
Created attachment 90565 [details] XFree86.0.log -- logfile for second server (VT8) Here's the log for the second server. Note that it starts correctly; it's only when you try to switch back to the first server on VT7 that the problem occurs.
Red Hat does not support 3rd party drivers. If you have problems while using 3rd party drivers, or if you require technical support for 3rd party drivers, please contact the vendor of whom supplied you the drivers, or your hardware vendor directly for assistance. Closing report NOTABUG as this is not something which is supported by Red Hat. *** This bug has been marked as a duplicate of 79248 ***
Changed to 'CLOSED' state since 'RESOLVED' has been deprecated.