[Nouveau] [Bug 13792] New: NV30: Switching video modes hangs Xorg server

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=13792

           Summary: NV30: Switching video modes hangs Xorg server
           Product: xorg
           Version: git
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: Driver/nouveau
        AssignedTo: nouveau at lists.freedesktop.org
        ReportedBy: pmandin at caramail.com
         QAContact: xorg-team at lists.x.org


With Randr 1.2 disabled, switching video modes hangs the Xorg server. You can
easily change video modes using keyboard shortcuts [Alt][Ctrl][+] or
[Alt][Ctrl][-].

When this happens, the screen turns to black. You can 'unblock' the X server
using  Alt SysRq S,A,K, but you can't see anything. Switching consoles does not
restore mode. So you can only do reset from there, to go back to normal.

Video card is NV30GL, 0x10de:0x0309.


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