[Bug 100751] New: Radeon HD 7770 - No Screens - DRM Error Failed to open, invalid argument - Segmentation Fault 0x50

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=100751

            Bug ID: 100751
           Summary: Radeon HD 7770 - No Screens - DRM Error Failed to
                    open, invalid argument - Segmentation Fault 0x50
           Product: xorg
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/Radeon
          Assignee: xorg-driver-ati at lists.x.org
          Reporter: larry_w_roberts at msn.com
        QA Contact: xorg-team at lists.x.org

Created attachment 130962
  --> https://bugs.freedesktop.org/attachment.cgi?id=130962&action=edit
Xorg.*.log + uname + lspci

Using Fedora 25, X windows will not start. Xorg - configure results in a
segmentation fault.  The system was working until April 18th.  On boot up, the
monitor displays graphics okay, but just as the final screen during linux boot
up completes, the screen reverts to text mode. Windows X can not be started
with startx. Using Xorg, the screen turns black and the computer must be
manually reset to regain control. I've attached the files /var/log/Xorg.*.log. 
At the end of those, I've appended uname -a , and lspci.

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