[Bug 87235] New: Cannot vga switch between i915 and radeon.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=87235

            Bug ID: 87235
           Summary: Cannot vga switch between i915 and radeon.
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: william at firstyear.id.au
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

After getting the system to a sane state post boot on a macbook pro 8,2, with
the DIS connected, IGD disconnected and off, turning on the IGD then performing
a switch fails with:

kernel: vga_switcheroo: client 0 refused switch.

No X server was running at the time, only TTY.

The dmesg output is attached.

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